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Spheras Storage Director Installation and User Guide

A.1.2

Windows - Manually Configuring a Microsoft IIS HTTP Web Server - - -  202

A.1.3

Linux - Manually Configuring an Apache HTTP Web Server   - - - - - - - -  208

A.1.4

Solaris - Manually Configuring an Apache HTTP Web Server - - - - - - - -  210

Appendix B

Detailed Information About Configurations  - - - - - - - - - - - - - - - - - -  213

B.1

What is the purpose of your array?  - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  213

B.2

RAID Levels - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  214

B.2.1

RAID 1: Mirroring  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  214

B.2.2

RAID 3: Striping with Parity - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  214

B.2.3

RAID 5: Striping with Parity - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  215

B.2.4

RAID 0+1: Mirroring and Striping - - - - - - - - - - - - - - - - - - - - - - - - - - -  215

B.2.5

JBOD (Just a Bunch of Drives): Single drive control- - - - - - - - - - - - - - -  215

B.3

RAID Rules - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  216

B.4

CAP Strategies Overview  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  216

B.4.1

CAP Questionnaire  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  216

B.4.2

Configuring for Maximum Capacity - - - - - - - - - - - - - - - - - - - - - - - - - -  217

B.4.3

Configuring for Maximum Availability- - - - - - - - - - - - - - - - - - - - - - - -  217

B.5

RAID Levels and Availability  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  218

B.6

Configuring for Maximum Performance- - - - - - - - - - - - - - - - - - - - - - - - - -  218

B.6.1

Array Configuration Table: Overview- - - - - - - - - - - - - - - - - - - - - - - - -  219

B.6.2

Array Configuration Tables- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  219

Glossary - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  225

Index  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  235

Summary of Contents for MAN-00005-UG

Page 1: ...Document Name Spheras Storage Director Installation and User Guide Part Number MAN 00005 UG Revision 1 0 ...

Page 2: ...2 Spheras Storage Director Installation and User Guide Revision History Rev Approved Date Change Description Reviewed By 1 0 ECO 3679 Sep 2003 Released with SPHSSD 2 1 CCB Table 1 Revision History ...

Page 3: ... Installation requirements 17 2 1 1 Spheras Storage Director Client Requirement 17 2 1 2 General Recommendations and Requirements 17 2 2 Installing the Spheras Storage Director Server and Client 18 2 2 1 Starting the Install Process 18 2 2 1 1 Linux 18 2 2 1 2 Solaris SPARC 19 2 3 Server and Client Installation Procedures 19 2 3 1 Server Installation Steps 20 2 3 2 Client Installation Steps 28 2 4...

Page 4: ...or Opening Screen 55 4 2 Status Icons 57 4 3 Menu Bar and Menus 58 4 3 1 Group Menu 58 4 3 2 Server Menu 59 4 3 3 Controller Menu 60 4 3 4 Event Menu 61 4 3 5 Tasks Menu 61 4 3 6 Logical Menu 61 4 3 7 Array Menu 62 4 3 8 Physical Menu 63 4 3 9 BBU Menu 63 4 3 10 Enclosure Menu 63 4 3 11 View Menu 64 4 3 12 Help Menu 64 4 4 Toolbar and Toolbar Icons 65 4 5 Exiting Spheras Storage Director 65 Chapte...

Page 5: ... Warning Icon 131 6 9 4 4 Informational or Optimal Icon 131 6 9 4 5 Events Icon 131 6 9 5 RAID Controller Event Codes 131 Chapter 7 Maintenance Activities 185 7 1 Running a Logical Drive Initialization 185 7 2 Running a Logical Drive Consistency Check 186 7 3 Running a Manual Rebuild 187 7 4 Disk Scrubbing 188 7 5 Editing a WWN Table 188 7 6 Forcing a Physical Drive Online or Offline 189 7 7 Locat...

Page 6: ...els 214 B 2 1 RAID 1 Mirroring 214 B 2 2 RAID 3 Striping with Parity 214 B 2 3 RAID 5 Striping with Parity 215 B 2 4 RAID 0 1 Mirroring and Striping 215 B 2 5 JBOD Just a Bunch of Drives Single drive control 215 B 3 RAID Rules 216 B 4 CAP Strategies Overview 216 B 4 1 CAP Questionnaire 216 B 4 2 Configuring for Maximum Capacity 217 B 4 3 Configuring for Maximum Availability 217 B 5 RAID Levels and...

Page 7: ...y 33 Figure 18 Installation progress 34 Figure 19 Client installation complete 35 Figure 20 Installation complete 36 Figure 21 Logon Dialog 46 Figure 22 New Server Group Dialog Box 47 Figure 23 Delete a Server Group 48 Figure 24 New Server Dialog Box 49 Figure 25 Deleting a Server Warning 51 Figure 26 Replicate Information Dialog Box 52 Figure 27 Edit an iHost File 53 Figure 28 Spheras Storage Dir...

Page 8: ...pping Tab 97 Figure 67 Host LUN Mapping Tab Custom LUN Mapping Dialog Box 98 Figure 68 Manual Storage Configuration Summary Tab 99 Figure 69 Manual Storage Configuration Expand Logical Drive 101 Figure 70 Figure 70 Deleting a Logical Drive 102 Figure 71 Manual Storage Configuration Expand Logical Drive 104 Figure 72 Delete an Array 105 Figure 73 Restore Controller Configuration 106 Figure 74 Resto...

Page 9: ...gure 105 Open Image File Dialog Box 193 Figure 106 Upgrade Firmware Details 194 Figure 107 Reconditioning a Battery Information Dialog Box 195 Figure 108 Controller Shutdown Warning Dialog Box 196 Figure 109 Internet Information Services 203 Figure 110 IIS Selecting a new virtual directory 203 Figure 111 Virtual directory creation welcome screen 204 Figure 112 Spheras storage director alias 205 Fi...

Page 10: ...d operations described herein may not be marketed by Adaptec Inc in all parts of the world In some instances photographs and figures are of equipment prototypes Therefore before using this document consult your Adaptec Inc representative for information that is applicable and current ADAPTEC INC DOES NOT ASSUME ANY RESPONSIBILITY OR LIABILITY FOR THE USE OF ANY PRODUCT OR PRODUCTS DESCRIBED HEREIN...

Page 11: ...12 Spheras Storage Director Installation and User Guide ...

Page 12: ... these controllers and the associated enclosures 1 2 Conventions Throughout this installation and user guide the following conventions are used to describe possible effects on performance within the Spheras Storage Director console Note Supplementary information that can have an effect on system performance Caution Notification that a proscribed action has the potential to adversely affect equipme...

Page 13: ...ver how arrays are defined 1 4 1 Monitoring Functions The Spheras Storage Director Server component collects and disseminates information on resource utilization and array status The Spheras Storage Director Client organizes this information through a graphical display Errors and events are recorded in a log file and in the event content table If a problem is serious enough to warrant immediate at...

Page 14: ...Server Only or later Windows XP SR1 or later Red Hat Linux 7 2 with kernel 2 4 7 10 or Red Had Linux 8 0 with kernel 2 4 18 4 on an x86 platform Solaris 8 or 9 with service packs on a SPARC platformIRIX 6 5 on an Octane platform Either of the following HTTP servers Apache version 2 0 x or Microsoft IIS version 5 5 or higher For IRIX use Apache version 1 3 26 1 4 5 Client Requirements PC with a 500...

Page 15: ...s but only one controller is present or active A simplex system does not provide fault tolerance in the event of a controller failure The single controller handles all I O requests Dual active A controller configuration that interconnects two identical controllers that share a common set of disk drives In addition to increasing overall performance this method allows a surviving controller to take ...

Page 16: ...f an HTTP server See your HTTP server documentation for installation instructions See Figure 1 Spheras Storage Director Client and Server Relationship on page 14 for more information about the relationship between the server and client 2 1 1 Spheras Storage Director Client Requirement Before installing the Spheras Storage Director Client ensure that a web browser is installed on the client system ...

Page 17: ...t is shipped with your system 2 2 1 Starting the Install Process Note You must install one of the supported HTTP servers before installing the Spheras Storage Director Server For a list of the supported HTTP servers 1 4 3 Spheras Storage Director Requirements on page 15 The program that is used to start the install process depends on the operating system that is used on your system To proceed sele...

Page 18: ... Mount the CD Many Solaris environments have auto mounting so you may not have to complete this step mount F hsfs dev sr0 mnt 5 In a console window type cd cdrom ssd solaris 6 Type setup bin 7 The InstallShield Wizard starts and the Spheras Storage Director Installer Welcome screen opens Proceed to the 2 3 Server and Client Installation Procedures on page 19 2 3 Server and Client Installation Proc...

Page 19: ...stalling the client component see 2 3 2 Client Installation Steps on page 28 1 After starting the installation using the setup program specified 2 2 1 Starting the Install Process on page 18 the InstallShield Wizard starts and the welcome screen is displayed The InstallShield Wizard will first prepare the Java Virtual Machine It will then display the welcome copyright screen Figure 2 Installation ...

Page 20: ...e terms of the license agreement you will not be allowed to continue the installation A dialog box will open asking if you wish to cancel the setup Click OK to cancel the installation 3 Click Next In the Directory Name field type your desired path keep the default path or click Browse to navigate to the desired directory Note Use the path name and delimiter that is appropriate for your operating s...

Page 21: ...22 Spheras Storage Director Installation and User Guide Figure 4 Choose the location for the server installation 4 Choose the type of installation Figure 5 Choose Installation Type ...

Page 22: ...rt number to be controlled by a single Spheras Storage Director Client Note The value that you specify for the RMI port cannot be less than 1024 Figure 6 Set the Server RMI Port Number 6 Click Next Select Yes to automatically configure your HTTP server s If both supported HTTP servers Apache or Microsoft IIS are properly installed and detected by the InstallShield Wizard they both will be configur...

Page 23: ... Spheras Storage Director Installation and User Guide to manually configure your HTTP server after installing the Spheras Storage Director code Figure 7 Selecting automatic configuration of an HTTP server ...

Page 24: ... 2003 Adaptec Inc 25 7 Click Next A summary of what will be installed is displayed Note that the total size of your installation may not match what is shown here Figure 8 Installation summary ...

Page 25: ...installation process begins During installation files are decompressed and copied to the destination folder that you previously chose You will also see flashing blank windows during the installation This is part of the automatic HTTP configuration Figure 9 Installation progress ...

Page 26: ...aptec Inc 27 9 When the installation of the server code is complete the following dialog is displayed Select whether or not you want to view the readme file and click Next Figure 10 Server installation complete ...

Page 27: ...on Configuration and Verification on page 36 2 5 Linux Post Installation Configuration and Verification on page 37 2 6 Solaris Post Installation Configuration and Verification on page 39 2 3 2 Client Installation Steps This section describes the installation of the client component of the Spheras Storage Director For information on installing the server component see 2 3 1 Server Installation Step...

Page 28: ... 2003 Adaptec Inc 29 Figure 12 Installation Welcome ...

Page 29: ... I do not accept the terms of the license agreement you will not be allowed to continue the installation A dialog box will open asking if you wish to cancel the setup Click OK to cancel the installation 4 Click Next In the Directory Name field type your desired path keep the default path or click Browse to navigate to the desired directory Note Use the path name and delimiter that is appropriate f...

Page 30: ... 2003 Adaptec Inc 31 Figure 14 Choose the location for the client installation Figure 15 Choose the type of installation ...

Page 31: ...o button for the component that you want to have installed 5 Click Next Enter the IP address or host name for one of the servers that you want to connect to You can add additional servers later See 3 4 Adding a New Server on page 48 Figure 16 Specifying the server address ...

Page 32: ... 2003 Adaptec Inc 33 6 Click Next A summary of what will be installed is displayed Note that the total size of your installation may not match what is shown here Figure 17 Installation summary ...

Page 33: ...Installation and User Guide 7 Click Install The installation process begins During installation files are decompressed and copied to the destination folder that you previously chose Figure 18 Installation progress 8 Client Readme ...

Page 34: ... 2003 Adaptec Inc 35 Figure 19 Client installation complete ...

Page 35: ...Storage Director installed No additional configuration is required on systems that have the client component installed 1 Edit the Program Files Apache Group Apache2 conf httpd conf file and ensure that the ServerName and any aliases are correct For more information see A 1 1 Windows Manually Configuring an Apache HTTP Web Server on page 201 2 Edit the WINNT system32 drivers etc hosts file and ensu...

Page 36: ...o a Spheras Storage Director Server the browser configuration is checked to ensure that an appropriate level of the JRE plugin is installed If an appropriate level of the JRE plugin is not found the Java Runtime Environment Plugin Installation starts automatically For more information see 2 8 Starting the Spheras Storage Director Client on page 43 2 5 Linux Post Installation Configuration and Veri...

Page 37: ... plugin is installed Following are suggestions for installing and configuring the JRE plugin for use with a Netscape browser 1 Start Netscape and open the URL for an Spheras Storage Director Server For example http server_machine_name SSD ssd htmhttp server_machine_name dsm dsm htm 2 Download the JRE installation files as instructed by the Java Runtime Environment Plugin Installation dialog This d...

Page 38: ...un 0 name sd class scsi target 1 lun 1 name sd class scsi target 1 lun 2 name sd class scsi target 1 lun 3 name sd class scsi target 1 lun 4 name sd class scsi target 1 lun 5 name sd class scsi target 1 lun 6 name sd class scsi target 1 lun 7 2 The Spheras Storage Director uses generic SCSI device nodes for controller discovery Edit the sgen conf file to enable the generic SCSI device nodes In a c...

Page 39: ...or the devices that you entered in the sd conf file reboot r Verify that sgen is loaded properly by running the following command on the server system usr sbin devfsadm v i sgen A non zero return code indicates that sgen is not properly loaded Check dev scsi direct to verify that sgen was properly loaded 2 6 2 Server Component Verify or perform the following after installing the server and client ...

Page 40: ...files as instructed by the Java Runtime Environment Plugin Installation dialog This dialog starts automatically if the client browser does not already have an appropriate JRE installed Download the installation files to a known location For example J2RE a J2RE directory under the root directory 3 Change directory to the location that was used in the previous step cd J2RE The two files that were do...

Page 41: ...lect the Spheras Storage Director Server 6 Click Change Remove to uninstall the Spheras Storage Director Server 7 To ensure compatibility with the new Spheras Storage Director Server it is recommended that you remove any previous installations of JRE The Spheras Storage Director Installation process can detect that a JRE is not installed and install a compatible version when required 8 You are now...

Page 42: ...rector server For example http your server name or IP address SSD ssd htmhttp your server name or IP address dsm dsm htm If this is the first time the Spheras Storage Director client is being started two dialogs are displayed If your browser does not meet the Java runtime environment JRE plugin requirements you are presented with instructions for installing the JRE plugin Follow the instructions t...

Page 43: ...vices Once a userid has been authenticated the appropriate authorization for the userid will be determined from its group memberships on the server See 3 1 Security access levels on page 45 To learn more about the navigation features and options that the Spheras Storage Director Client provides see Chapter 4 Navigating the Spheras Storage Director Client on page 55 ...

Page 44: ...initializations consistency checks and capacity expansion In essence Users have Read only privileges PowerUsers adm Allows viewing of all the information that Spheras Storage Director provides In addition these users with this access level can define hot spares start rebuilds and run consistency checks Administrators root Allows all the capabilities of User and Power User plus all of the Spheras S...

Page 45: ...r name length See 3 1 Security access levels on page 45 for more information 2 Enter your password in the login dialog Passwords are encrypted when transmitted across the network See 3 2 Passwords on page 45 for more information 3 Click OK or press the Enter key to logon 3 3 1 Setting Up Server Groups This section describes how to setup connections to server groups A maximum of 100 server groups c...

Page 46: ... desired description All characters are acceptable and there is no limit to the number of characters you can enter 7 Click New Server to add a new server if necessary See 3 4 Adding a New Server on page 48 for details on how to add a new server 8 Select Perform Replication Now The server groups and server are copied to each of the defined Spheras Storage Director servers It is recommended that you...

Page 47: ... that you want to delete in the navigation area Figure 23 Delete a Server Group 2 Click Group Delete on the Menu bar and the Delete Group dialog box opens 3 Select one of the following delete options Keep Server Definitions Keeps the server definitions as part of the All Servers group Delete Server Definitions If the servers in the selected groups are not part of other server groups the server def...

Page 48: ...acters you can enter 4 Click Connect to Server Once you are connected the default security groups that you can enter on the new server are displayed in the Grant Administration Access fields Change the Access fields as desired See 3 1 Security access levels on page 45 for more information 5 Select the type of Out of Band Controller Discovery that you want Spheras Storage Director to use If you kno...

Page 49: ...a server from the navigation area or the content area 2 Click one of the following items From the menu bar click Server Properties From the tool bar click Properties Right click on the server and select Properties 3 Assign a group for each access level Grant Administration root access to the Administrators group Grant Maintenance adm access to the Operators group Grant User users access to the Use...

Page 50: ...rmed of errors or status unless you restart the Spheras Storage Director To exit click File Close in the browser you are using 3 6 Replicating a Server Replication is similar to making a copy This process sends a list of all the servers and the server groups that are seen on the client workstation to each of those servers The servers receiving this list use it to update the current servers and ser...

Page 51: ...e iHosts File The iHosts file contains the IP addresses for controllers that are not a part of the subnet of your Spheras Storage Director Server This is referred to as out of band management Editing an iHost file allows you to add IP Addresses to the file By adding these IP Addresses your Spheras Storage Director Server will be able to discover other controllers Note If a controller is connected ...

Page 52: ...can also copy cut and paste your IP Address information It is important to use the format shown in the example Failure to do so may affect the ability of the server to discover controllers 3 Remember to uncomment your IP addresses by removing the symbol 4 Select File Save 5 Select File Exit to close the iHosts File If you have not saved any changes you are prompted to save your changes ...

Page 53: ...54 Spheras Storage Director Installation and User Guide ...

Page 54: ... from the navigation window the path shows the following where X is the device number AllServers MyServer Controllers ControllerX Arrays ArrayX 4 Navigation area Provides a visual tree of the controller system The following items are shown in the navigation area Client Console Server Groups All Servers predefined server group Other server groups defined by the user Controllers Events Task Monitor ...

Page 55: ...r Installation and User Guide Figure 28 Spheras Storage Director Opening Screen 6 Object status Shows the number of objects or selected objects in the content area 7 Logon status Shows the user name and the current access level ...

Page 56: ...ata loss usually a software error Serious State Icon Critical State Icon Physical Drive Rebuild State At least one resource is in a Serious state At least one resource is in a Critical state The physical drive is in a rebuild state Physical View Only Physical Drive Failed State Physical Drive Unconfigured State Hot Spare Drive The physical drive is in a failed state Physical View Only The physical...

Page 57: ...vileges plus the Replicate item in the Server Group menu If you are logged on with Administrator privileges you see all the items from the Maintenance privileges plus the New Server and New Server Group menu Figure 29 Menu bar 4 3 1 Group Menu Figure 30 Group menu The physical drive is in a normal running state Physical View Only The physical drive is in a not selected state Physical View Only Thi...

Page 58: ...ver New Server Adds a server to the navigation node tree 4 3 2 Server Menu Figure 31 Server menu The Server Menu contains the following options Properties Displays the Server identification description other server groups security mapping and controllers for out of band discovery Logon Opens the logon window Logoff Opens the logoff window You need to logoff of a server if you want to logon again w...

Page 59: ...7 10 Shutting Down a Controller on page 195 for more information Stop Partner Controller If a running partner controller exists this feature forces the partner controller to go Offline and puts the system in a failover state This item is disabled if any of the following conditions exist If a partner controller is not running If a long operation task is running Restart Partner Controller If a runni...

Page 60: ...vent log of the selected server Print Log Opens a browser window to allow printing of the event log Event Details Displays information about the generated events for the selected server Event Filter Controls the level of severity of the messages that are displayed 4 3 5 Tasks Menu Figure 34 Task menu The Task Menu has the following option Cancel Cancels the selected task such as a rebuild or a con...

Page 61: ...istency Performs a consistency parity check on the selected logical drive s Locate Blinks the LEDs of the physical drives contained by the selected logical drive Force Online Forces the selected logical drive online This option is only enabled if the drive is offline This occurs when one or more physical drives are offline 4 3 7 Array Menu Figure 36 Array menu The Array Menu has the following opti...

Page 62: ... the physical drive for removal Force Online Offline Allows you to force a physical drive online or offline 4 3 9 BBU Menu Figure 38 BBU menu The BBU Menu contains the following options Properties Allows you to view or change BBU properties and launch a battery quick test if supported by the firmware Recondition Battery Allows you to recondition the battery by automatically discharging and then re...

Page 63: ... the navigation area Tool Bar Displays hides the Tool Bar Status Bar Displays hides the Status Bar Refresh Refreshes the current navigation or content areas information Repair Action Enabled when a resource is in a critical or serious state Displays problem explanation recovery information from the online Help in a separate window 4 3 12 Help Menu Figure 41 Help menu The Help Menu contains the fol...

Page 64: ...al views 6 Displays Help for what is currently displayed in the content area 4 5 Exiting Spheras Storage Director We recommend leaving the Spheras Storage Director Client running as long as there are servers you wish to monitor or configure If you do exit you will be unable to receive events from the Spheras Storage Director Server and you will not be informed of errors or status unless you restar...

Page 65: ...66 Spheras Storage Director Installation and User Guide ...

Page 66: ...ller Configuration from a Previously Saved File on page 105 5 11 Backing Up a Controller Configuration on page 107 5 1 Setting Event Log Properties The Event Log Properties dialog box provides you with options for setting desired event logging capabilities This includes setting application launching to notify you of events that need immediate attention For example You may want to be notified immed...

Page 67: ...r Guide Figure 43 Event Log Properties Dialog Box General Tab Open the Event Log Properties dialog box by selecting Event Properties on the menu bar In the Event Properties Dialog box under the General tab set the new event log size Select Alert Map ...

Page 68: ...the operating system event log by enabling or disabling the corresponding check boxes Enable or disable check boxes to launch the appropriate notification application corresponding to the event severity level Click Create New Notification Application to add an application to launch The Add Notification Application dialog box opens ...

Page 69: ...ion and User Guide Figure 45 Event Properties Dialog Box Notification Application Tab Click New to add a new notification application Click Edit to edit an existing notification application Click Delete to delete a notification application ...

Page 70: ...ication or create an application such as a shell script that sends e mails pages or faxes Type a description of the application for example Bob s Pager Click Delete to delete an existing application parameter Click Edit to edit an existing application parameter Click New to add an Application Parameter Figure 47 Add Parameter Dialog Box Select one of the following system defined parameters to be p...

Page 71: ... you can modify sections of the cfg ini file to launch application alerts from the server The modification of the cfg ini must be done with a text editor To edit the cfg ini file follow these steps Locate the cfg ini file The file can is located in your Spheras Storage Director installation directory Using a text editor open the cfg ini file An example file follows EventAlertApplication descriptio...

Page 72: ...D EVENT_SEVERITY EVENT_ADDRESS EVENT_ELEMENT_ID SeverityCombination 24 ApplicationName C pagemgr bat When you are finished editing the appropriate sections of the cfg ini file click File Save to save your changes Click File Exit to close the text editor 5 3 Setting and Modifying Controller Properties The Controller Properties dialog box allows you to view or change controller properties Each Disk ...

Page 73: ...er Guide 1 Open the Controller Properties click Controller Properties on the menu bar Figure 48 Controller Properties Dialog Box General Summary Tab The Summary tab displays a summary of installed controller features and the status of the controller ...

Page 74: ...ays whether Conservative cache is active or not and the reason If the controller is not in conservative cache mode the Reason field is greyed out Conservative cache mode is an operating mode in which logical devices or system drives configured with the write back write caching policy are treated as though they were configured for write through operation and the cache is flushed ...

Page 75: ...he actual read request The Read Ahead function improves data retrieval performance by allowing the controller to read into cache a full stripe of data at a time This greatly improves the percentage of cache hits For small transfers the read ahead algorithm helps with performance For example if the stripe size is set to 8 KB and the host requests 1 KB of data when this function is enabled the contr...

Page 76: ...itializing from the point of interruption If the interrupting operation resulted in the system drive being initialized however background initialization skips that system drive and searches for the next un initialized system drive and begins initializing Performance is degraded during background initialization because every write operation requires access to all drives in the RAID group Once all s...

Page 77: ...uild to proceed at its fastest Lowering the number devotes more resources to I Os and consequently slows the Rebuild process This parameter takes effect immediately without resetting the controllers Change any of the following Physical Drive Startup Options Number of Drives to Spin Up 1 8 Number of drives to start at the same time Initial Delay Number of seconds to wait before spinning up the firs...

Page 78: ...d redundant parts thus providing an extra degree of data safety Conservative cache mode is an operating mode in which logical devices or system drives configured with the write back write caching policy are treated as though they were configured for write through operation and the cache is flushed When the condition causing conservative cache is resolved the system drives are converted back to the...

Page 79: ...mal controller operation Do not disable this function unless specifically instructed to do so as part of a trouble shooting diagnostic activity Operational fault management allows the controller to take autonomous actions when a failure occurs This option monitors and reports drive failures background activity completion status enclosure events and so forth Note A controller reset is required to m...

Page 80: ...nd then reverts to the regular polling schedule A message dialog box opens stating Polling for predicted drive failures has started Any events generated as a result of this polling can be viewed in the event log 5 Select Expert Figure 52 Controller Properties Dialog Box Expert All Modes Tab In the All Modes Tab you have the following options Multi port reset When enabled allows execution of an int...

Page 81: ...he controller is simplex or if the controller pair is in a dual active state Note A controller reset is required to make a change to this option take affect Management Address Use this field to specify the URL that is used by a Tivoli Storage Manager to launch a Spheras Storage Director client This value is stored in the controller and is accessed by a Tivoli Storage Manager to get the URL An exam...

Page 82: ... be quietly dropped during failback This is intended to help hosts that are confused by Queue Full Note A controller reset is required to make a change to this option take affect Enable auto restore The default is disabled When enabled in a dual active controller system Automatic Restore allows automatic recovery of a partner controller when a replacement is inserted Note A controller reset is req...

Page 83: ...me Displays the host identity of a Host Bus Adapter of a server on the fibre channel loop by slot number Node name retention When enabled each controller shares its node name with its partner controller and those names are used through all phases of failover and failback Note A controller reset is required to make a change to this option take affect Frame control Allows adjustment of the Fibre Cha...

Page 84: ...re All fields on this dialog support the Internet Protocol version 4 If an IP configurable controller is not available in a slot the slot selections are not available Modifying these slot fields may affect the ability of the Spheras Storage Director Server to communicate with the controller If an IP configurable controller is discovered and an IP address has not yet been set for that controller th...

Page 85: ...m If a parameter was changed that requires a controller reset a warning dialog box opens A reboot is required before the changes to the controller properties take effect Note The Warning dialog and the reboot only occur when controller properties are changed Figure 56 Controller Properties Warning Dialog Box Type your password Click OK 5 4 Creating Storage Configurations The Assisted and Manual Co...

Page 86: ... configuration to complete If Spheras Storage Director is unable to terminate the other configuration session the following message is displayed Another Configuration session is in progress Please try again after it has completed 5 4 2 Assisted Storage Configuration This feature is only enabled if there are unused physical drives available When using the Assisted Configuration Wizard there may be ...

Page 87: ...tion is disabled if there is only one available unused drive in the system Select the number of hot spares from the drop down list This option is only available with Fault Tolerance The hot spare option is disabled if there are only two available unused drives in the system Click Next or press the Enter key If you selected Fault Tolerance from the Fault Tolerance dialog box the following RAID Leve...

Page 88: ...g Box Choose one of the following RAID Level options Parity RAID RAID level 5 This option is the default if there are three or more unused drives available in the system Mirrored drives RAID level 1 If you selected the No Fault Tolerance check box the following RAID level dialog box opens ...

Page 89: ...o Fault Tolerance RAID Level Dialog Box Choose one of the following RAID Level options Data Striping RAID level 0 This option is selected by default if there is more than one unused drive available in the system No Data Striping JBOD Click Next or press the Enter key The Logical Drives dialog box opens ...

Page 90: ... installed Stripe size and cache line size are defaulted All LUNs are assigned sequentially All hosts are enabled Select Enable Foreground Initialization to start the initialization when you exit this Wizard This check box is only displayed if the Background Initialization controller property is turned off With the size of system drives growing dramatically a traditional initialization foreground ...

Page 91: ...log box If you are satisfied with the configuration that you have set up click Finish or press the Enter key to apply the new configuration to the controller 5 4 3 Manual Storage Configuration The Manual Storage Configuration wizard allows you to set up a new configuration manually deleting the previous configuration and data if any This feature also allows you to reconfigure an array if desired O...

Page 92: ...2003 Adaptec Inc 93 Figure 63 Configure Storage Manually The Manual Storage Configuration dialog box opens Note Only those previously configured arrays that have unused capacity are shown in this dialog ...

Page 93: ...and add disks to the new array If you want to manually configure a hot spare select an available physical drive and click Make Hot Spare or drag and drop to the Hot Spare node The hot spare drive is displayed in the tree node under the Hot Spares node Note Before creating a hot spare the Spheras Storage Director checks the size of the un configured drive to ensure that it is large enough relative ...

Page 94: ...to logical drives You must create at least one logical disk on each array A maximum of 32 logical drives can be created per controller Perform the following From the Display Capacity drop down list next to the Refresh button select how you would like the capacity displayed Select the array that you want to configure Click New Logical Drive to create a logical drive From the RAID drop down list sel...

Page 95: ...rs The Cache size is displayed for information only For external controllers the cache size and stripe size are the same The cache size represents the size of the data in controller memory that is read or written at one time Select Enable Foreground Initialization to start the initialization when you exit this Wizard This check box is displayed only if the Background Initialization controller prop...

Page 96: ... logical drive This table defines the hosts that are granted access to each logical drive and the controller port and the LUN number Note Logical drives may share LUNs as long as the same host does not access both logical drives You can set the Host Access by selecting one of the following buttons Enable All when a logical drive is selected gives all hosts access to the logical drive on the specif...

Page 97: ...llowing limits Controller Slot Port Select the controller slot and port number to configure Valid values depend on the mode of the controller and the topology setting Host Identifier Type Select the way you would like the information displayed select host name or WWN from the drop down list Host Status Displays the capability of a host to communicate with the controller Connected Host is connected...

Page 98: ...k If you want to start over click Cancel If you accept the configuration as presented in the Summary tab click Finish or press the Enter key to apply the new configuration to the controller 5 5 Spanning in Spheras Storage Director Spanning provides the ability to configure multiple disk arrays or parts of multiple disk arrays as one logical drive Spanning is performed automatically in Spheras Stor...

Page 99: ...ts data striped across a larger number of physical disk drives For this option the system drive specified must be the only system drive on the pack of disk drives being migrated Add capacity input parameters and execution parameters are kept in NVRAM and COD The process is restarted automatically by the firmware after a power failure In the event that this process must be terminated for example tw...

Page 100: ...ogical drive followed by Next and Finish Notes During the Expansion process a new array is created containing the newly added physical drives This array is only present during the expansion process and is removed upon completion of the expansion process When expanding a logical drive you cannot create a new array or create another logical drive 5 7 Deleting a Logical Drive This feature allows you ...

Page 101: ...mplete the new system drive partition needs to be created and formatted according to the operating system in use During the RAID set expansion process which includes re striping data from the old smaller RAID set to the new expanded RAID set the controller continues to service host I O requests The user must stop the partner controller before expanding an array When this occurs a consistency check...

Page 102: ...on Initialize system drive Automatic rebuild and Consistency check are mutually exclusive operations Only one process can run at a time No configuration update commands issued from the host are allowed during this process Write back is disabled during the process but resumes at the end of the operation Removing and replacing a controller during migration can result in data loss A hardware error wh...

Page 103: ...ogical Drive Tab on page 95 for detailed configuration information Click Next to go to the Summary tab and click on the Finish button to complete the expansion of the array Note When expanding an array you cannot create a new array but you can create a new single logical drive during the same session You cannot expand the capacity of any existing logical drives during this session 5 9 Deleting an ...

Page 104: ...a configuration downloads a previously saved controller configuration from a file on the server to the controller It also provides you with both data recovery and identical system stamping that insures the logical drives and hot spares are defined in the same manner as the original system The configuration is restored only if the physical disks are of equal or greater size and residing in the same...

Page 105: ...nfiguration The Restore Controller Configuration dialog box opens Figure 74 Restore Controller Configuration Dialog Box Select the configuration file that you want to restore CAUTION Restoring a controller configuration to an already configured controller can cause loss of data Click Open ...

Page 106: ... Tab Click Finish to restore your configuration Click Cancel to keep the existing configuration 5 11 Backing Up a Controller Configuration Backing Up a configuration saves a controller configuration to the server Do the following to back up a controller configuration Click Controller Backup Controller Configuration as shown in Figure 76 Figure 76 Backup Controller Configuration on page 108 ...

Page 107: ...ller Configuration In the Backup Configuration dialog box Figure 77 Backup Controller Configuration Dialog Box on page 108 type a name for the configuration file you want to save to the controller Figure 77 Backup Controller Configuration Dialog Box Click Save to save the configuration file ...

Page 108: ...The IP address of each server in this server group The operating system on each server in this server group The status of each server in this server group optimal serious warning or critical The description of each server in this server group Note The status that is displayed when All Servers is selected is the most severe status of the server itself and all of its controllers Furthermore the cont...

Page 109: ...considered vulnerable Error level 3 An error has occurred that did not cause data loss usually a software error You should retry the command Serious level 2 A serious error device failure has occurred usually a non optimal logical drive or physical device failure Action is needed to prevent data loss or loss of access to data Hardware replacement may be required Resources in a Serious state are co...

Page 110: ... The controller address The event ID number The event description 6 2 2 Viewing Event Details The Event Details dialog box displays event information for a single event To access an Event Details dialog box do the following 1 Select an event in the content area that you want to see details about 2 Click Event Event Details from the menu bar Figure 79 Select Event Details The Event Details dialog b...

Page 111: ... of the physical drive and the World Wide Name of an enclosure The Previous button changes the content of the display to the event that is earlier downward in the log The Next button changes the display to the event that is later upward in the log This information is helpful when troubleshooting an error Click Help for recovery information regarding the event that you chose The Event Filter dialog...

Page 112: ...back onto the Client your filter settings are lost 6 2 3 Clearing the Event Log To erase the entries in the event log select Event Clear Log from the menu bar After you clear events for a particular server you will not be able to retrieve them If you have any doubt if will need the event log at a future date use the Print Log menu option to print the log It is recommended that you clear the event ...

Page 113: ...toring a Controller text view Figure 84 Monitoring a controller physical view The content area displays all of the components of the controller including events related to the controller The content area displays the information either in the Text View or the Physical View ...

Page 114: ...toring an Array This section describes how Spheras Storage Director monitors the capacity of an array To see a summary of the status of all arrays associated with a controller click on Arrays in the navigation area The following information is displayed in the content area The name of each array The capacity of each array The unused capacity of each array The status of each array The status that i...

Page 115: ...rives defined on the array The number and total capacity of the physical drives on the array The status of components in the array Note In the Physical View shown in Figure 85 Displaying Array Information physical view on page 116 there are drives shown with a status of Not Selected This simply means that these drives are not part of the array that is being viewed To view Array Properties click Ar...

Page 116: ...this array 6 5 Physical Disk and Logical Drive Monitoring This section describes how Spheras Storage Director monitors physical disks and logical drives 6 5 1 Displaying Physical Drive Information There are two ways to view physical drive information Select Physical Drives Configured Unused or Global Hot Spares from the navigation area and view the information in the content area Click on a physic...

Page 117: ...118 Spheras Storage Director Installation and User Guide Figure 87 Displaying Physical Drive Information text view ...

Page 118: ...city enclosure channel ID and Status see Figure 87 Displaying Physical Drive Information text view on page 118 If you are displaying the information using the Physical View the content area displays information about the physical drive including how many drives are configured unused designated as hot spares and their total capacity Hover Help is also available for each physical drive pictured Hove...

Page 119: ...e rebuilding failed or suspected failed The drive channel negotiated transfer speed MB second The negotiated drive channel bus width in bits The drive channel Loop ID number The associated enclosure number where the disk resides The physical capacity of the disk device The vendor or source of the drive The drive s product identification The revision level of the firmware on the drive The physical ...

Page 120: ...drive The logical drive number The Host Access displays Enabled None or Custom The capacity of this logical drive The operational status of this logical drive The RAID level at which the logical drive is configured The status of the write back cache enabled or disabled The stripe size in use by the logical drive The array number where the logical drive resides In the physical view the following in...

Page 121: ...opens and displays information about the logical drive see the previous information for a description of the contents You can also enable or disable the write cache using the checkbox on this dialog The Host LUN Mapping tab allows you to modify Host to LUN mapping values See 5 4 3 Manual Storage Configuration on page 92 for details about Host to LUN mapping To get general information about all log...

Page 122: ...ion Select the Enclosures icon in the navigation area and view the information in the content area Select an individual enclosure in the navigation or content area and view the information in the content area Click Enclosure Properties from the menu bar Figure 92 Displaying Enclosure Information If you are displaying the information using the Enclosures icon the content area displays general infor...

Page 123: ... Critical or Failed Current details Fan stopped Speed Low or Speed High Description Power Supplies Name and icon Status Element Not Present Optimal or Failed Current details always blank Description always blank Temperature Sensors Name and icon Status Element Not Present Optimal Warning or Failed Current details current temperature Over Temperature Warning Over Temperature Failed Under Temperatur...

Page 124: ...operties it takes a few minutes before the changes are displayed 2 If the SSD server is unable to retrieve the information from the controller the default values are displayed 3 Some enclosures do not support setting temperature thresholds For those enclosures the values are not displayed in the dialog Shutdown at critical temperature Enable as needed When a warning threshold is reached the contro...

Page 125: ...memory content for an extended period The length of memory power backup is dependent upon the cache memory size and the particular battery pack used by the BBU To monitor the charge status on a Battery Backup Unit BBU select a BBU from the navigation area To view BBU information click BBU Properties from the menu bar Figure 95 BBU Information Note The example shown above is displayed if you select...

Page 126: ... level of the battery expressed as hours or minutes of charge This value changes as the battery is discharged or charged The maximum power or highest level the battery has been charged up to expressed as hours or minutes of charge The current charge level where 100 means the battery has been charged up to its maximum level The type of battery which is dependent on controller hardware Version numbe...

Page 127: ...ng information for each task in progress The task type as listed above The path where the task is taking place Time Remaining to complete the task A completion status for the task For example if the task is BBU Fast Charging the completion status would display a percentage complete value To cancel a long operation task click the task you wish to cancel and click Task Cancel CAUTION Canceling eithe...

Page 128: ... controller that issued the event Address The location of the event ID The event ID See Table 2 RAID Controller Event Codes on page 131 for more information Description A description of the event 6 9 1 Lost Connection to Server You have lost your connection to the server Check all cable connections to be sure none have disconnected or are broken Open a DOS Window and ping the server to see if it i...

Page 129: ...ace the controller and apply a configuration 389 Warning Controller has been reset Check the controller s configuration and restore as necessary Resetting a controller may cause loss of data or loss of access to data 390 Informational Controller is found Nothing 391 Critical Controller is gone System is disconnecting from this controller Replace the controller and apply a configuration 395 Critica...

Page 130: ...uld be considered Vulnerable according to RAB guidelines 6 9 4 5 Events Icon Everything is good no action is required Resources in an informational optimal state should be considered Protected according to RAB guidelines 6 9 5 RAID Controller Event Codes Event 1 Name MLXEV_PHYSDEV_ONLINE Description A physical disk has been placed online Cause Rebuild completed Physical disk was configured Manual ...

Page 131: ...V_AUTO_REBUILD_START Description An automatic rebuild has started Cause A physical disk failed and spare was available A physical disk failed and no spare was available A spare was added Action None Address ctl 0 chn 13 tgt 14 Severity 4 Information Source ExPro InPro 6 Name MLXEV_PHYSDEV_MANUAL_REBUILD_START Description A rebuild has started Cause Client started the rebuild on user s request User...

Page 132: ...or Contact your service representative Address ctl 0 chn 13 tgt 14 Severity 2 Error Source ExPro InPro 12 Name MLXEV_PHYSDEV_DEAD Description A physical disk has failed Cause A physical disk failed A user action caused the physical disk to fail Action Replace the physical disk Address ctl 0 chn 13 tgt 14 Severity 1 Serious Source ExPro InPro 13 Name MLXEV_PHYSDEV_FOUND Description A new physical d...

Page 133: ...YSDEV_EXPANDCAPACITY_ERROR Description Expand capacity stopped with error Cause Multiple physical devices failed Action It may not be possible to recover from this error Contact your service representative Address ctl 0 chn 13 tgt 14 Severity 2 Error Source InPro 19 Name MLXEV_PHYSDEV_COMMAND_TIMEOUT Description SCSI command timeout on physical device Cause Physical device has been removed Physica...

Page 134: ...tgt 14 Severity 2 Error Source ExPro InP_old 23 Name MLXEV_PHYSDEV_SOFT_ERROR Description Soft error found Cause An error was detected by a physical device and data was recovered Action Run consistency check If problem occurs frequently replace the physical device Address ctl 0 chn 13 tgt 14 Severity 3 Warning Source InP_old 24 Name MLXEV_PHYSDEV_MISC_ERROR Description Miscellaneous error found Ca...

Page 135: ...stand the root cause Address ctl 0 chn 13 tgt 14 Severity 2 Error Source InPro 29 Name MLXEV_PHYSDEV_INIT_STARTED Description Initialization started Cause Host started the initialization Action Wait until the initialization is completed If the system is shut down before initialization is completed the physical device can be made useful only by reinitializing it Address ctl 0 chn 13 tgt 14 Severity...

Page 136: ...physical disk failed because double check condition occurred Cause Double check condition occurred Action Replace physical disk and rebuild it Address ctl 0 chn 13 tgt 14 Severity 1 Serious Source InPro 36 Name MLXEV_PHYSDEV_REMOVED_DEAD Description A physical disk failed because disk is missing Cause Access to the physical disk failed Action Replace physical disk and rebuild it Address ctl 0 chn ...

Page 137: ...n A physical disk set to failed state by host Cause Command from host set the physical disk to failed state Action Replace physical disk and rebuild it Address ctl 0 chn 13 tgt 14 Severity 1 Serious Source InPro 43 Name MLXEV_PHYSDEV_SELTMO_DEAD Description A physical disk failed because access to the device met with a selection time out Cause Physical disk disconnected or powered off Physical dis...

Page 138: ...al disk failed because write operation of the Configuration On Disk failed Cause Failed physical disk Device write protected Action Replace physical disk and rebuild it Check the startup option parameters on the system Address ctl 0 chn 13 tgt 14 Severity 1 Serious Source InPro 49 Name MLXEV_PHYSDEV_BDTWRFAIL_DEAD Description A physical disk failed because write operation of Bad Data Table failed ...

Page 139: ...fset than configured Cause Action None Address ctl 0 chn 13 tgt 14 Severity 3 Warning Source ExP_old 56 Name MLXEV_PHYSDEV_SET_BUS_WIDTH Description Physical disk negotiated different bus width than configured Cause Action None Address ctl 0 chn 13 tgt 14 Severity 3 Warning Source ExP_old 57 Name MLXEV_PHYSDEV_MISSING_ONSTARTUP Description Physical disk missing on startup Cause Physical disk missi...

Page 140: ... Description Hot spare replaced with a smaller capacity physical disk Cause The new hot spare may have a smaller physical capacity than the physical disk it replaced The controller coercion setting may have reduced the configurable size of the new hot spare Action None Address ctl 0 chn 13 tgt 14 Severity 4 Information Source ExP_old 63 Name MLXEV_PPILOT_LOGICAL_DISK_ONLINE Description A storage a...

Page 141: ...nd on only one disk channel Cause Physical disk is connected on only one channel Action Inspect disk channel cables and related hardware for proper operation Address ctl 0 chn 13 tgt 14 Severity 2 Error Source ExPro 68 Name MLXEV_PHYSDEV_TYPE_INVALID Description Physical disk type is not approved by vendor Cause Physical disk does not match a type approved by the vendor The system rejects all phys...

Page 142: ...failure Improper shutdown of the controller during controller parameter update Action Restore correct controller parameter settings If problem persists replace controller Address ctl 0 Severity 2 Error Source InPro 73 Name MLXEV_FIRMWARE_UPGRADE_STARTED Description Online controller firmware upgrade has started Cause User has initiated an online firmware upgrade Action None Address ctl 0 Severity ...

Page 143: ... your service representative Address ctl 0 Severity 1 Serious Source InPro 79 Name MLXEV_CTLDEV_BBU_BATTERY_ERROR Description Battery will not hold a charge Cause Battery failure Action Replace the battery If the problem persists contact your service representative Address ctl 0 Severity 1 Serious Source InPro 80 Name MLXEV_FW_ENTERED_UNEXPECTED_STATE Description Firmware entered unexpected state ...

Page 144: ...zation failed because the partner which was running the foreground initialization failed Action Restart the foreground initialization Address ctl 0 logdrv 15 Severity 2 Error Source ExPro 84 Name MLXEV_SYSDEV_BACKGROUND_INIT_FAILED_ON_ PARTNER Description Background initialization stopped on controller failure Cause Background initialization restarted on the surviving controller because the partne...

Page 145: ...D_GROUP_NOT_INSTALLED_FOREIGN Description Foreign configuration group not installed Cause Foreign COD group found but not installed Action Move to another controller Remove native configuration group and reboot with foreign group Address None Severity 4 Information Source ExPro 89 Name MLXEV_CFG_COD_GROUP_NOT_INSTALLED_ALL_BAD_FOR EIGN Description No configuration group installed Cause All configu...

Page 146: ...Curr HBTL 12 13 14 15 Severity 4 Information Source PATHpilot 94 Name MLXEV_PPILOT_PATH_FAILURE_ON_STANDBY_PATH Description A standby path failed Cause PathPilot reported a failure on a standby path Action Investigate possible causes such as cabling controller failure or HBA failure Address PATHpilot Curr HBTL 12 13 14 15 Severity 3 Warning Source PATHpilot 95 Name MLXEV_REPLACED_PHYSDEV_SMALLER D...

Page 147: ...ost Fibre Channel cable is disconnected or has failed Host Fibre Channel device server switch hub host adapter has failed Host Fibre Channel interface on the controller has failed Action Inspect host Fibre Channel cables and associated hardware Address ctl 0 chn 13 Severity 4 Information Source ExPro 99 Name MLXEV_HOST_FIBRE_UP Description The host Fibre Channel is up Cause The host Fibre Channel ...

Page 148: ...arted Cause User started a consistency check raidbld started a consistency check Action None Address ctl 0 logdrv 15 Severity 4 Information Source ExPro InPro 129 Name MLXEV_SYSDEV_CHECK_DONE Description Consistency check has finished Cause Consistency check completed successfully without detecting any errors Action None Address ctl 0 logdrv 15 Severity 4 Information Source ExPro InPro 130 Name ML...

Page 149: ...V_CRITICAL Description Logical drive is critical Cause One physical device failed Action Replace the physical device Start the rebuild if required Address ctl 0 logdrv 15 Severity 2 Error Source ExPro InPro 136 Name MLXEV_SYSDEV_CRITICAL Description Logical drive has been placed online Cause Rebuild completed User set the physical disk online New configuration was added Action None Address ctl 0 l...

Page 150: ...ror New physical disk failed Cause New physical disk failed New physical disk is not compatible with MDAC hardware firmware Action Replace the new disk Address ctl 0 logdrv 15 Severity 2 Error Source InPro 143 Name MLXEV_SYSDEV_REBUILD_SYSDEV_FAILED Description Rebuild stopped because logical drive failed Cause At least one more physical device failed in the array Action It may not be possible to ...

Page 151: ...mpleted A new controller has been plugged in Controller has been powered on System has rebooted Action None Address ctl 0 logdrv 15 Severity 4 Information Source InPro 149 Name MLXEV_SYSDEV_GONE Description A logical drive has been deleted Cause A new configuration has been added A new logical device has been deleted Controller has been removed Controller has been powered off Action None Address c...

Page 152: ... InP_old 155 Name MLXEV_SYSDEV_TYPECHANGED Description Logical drive type changed Cause A new configuration has been added RAID migration completed RAID expansion completed on RAID 1 Action None Address ctl 0 logdrv 15 Severity 4 Information Source ExPro InP_old 156 Name MLXEV_SYSDEV_BADDATABLOCK Description Bad data blocks found Possible data loss Cause Bad blocks were found on multiple physical ...

Page 153: ... 0 logdrv 15 Severity 2 Error Source InPro 161 Name MLXEV_SYSDEV_OFFLINE_DEVICE_MADE_AVAILABLE Description Temporary Offline RAID0 1 RAID1 RAID0 JBOD array is available to the user again Cause Temporary Offline state caused by transient errors on physical disks Action None Address ctl 0 logdrv 15 Severity 2 Error Source InPro 162 Name MLXEV_SYSDEV_STANDBY_REBUILD_START Description A standby rebuil...

Page 154: ... completed Cause Background initialization completed successfully Action None Address ctl 0 logdrv 15 Severity 4 Information Source ExPro 182 Name MLXEV_SYSDEV_DATA_LOSS_LOW_BBU_CHARGE Description Low battery charge level Logical drive may have lost data Cause Controller was powered off for duration longer than battery capacity User connected a new controller User connected a new BBU battery Actio...

Page 155: ...ply as required Address ctl 0 enclosure 13 unit 14 Severity 1 Serious Source ExP_old InP_old 273 Name MLXEV_FMTPOWER_OK Description Power supply has been restored Cause Faulty power supply has been replaced Action None Address ctl 0 enclosure 13 unit 14 Severity 4 Information Source ExP_old InP_old 274 Name MLXEV_AEMI_PWR_SUPPLY_FAILED Description Power supply failure Cause Broken cable connection...

Page 156: ...nclosure 13 unit 14 Severity 4 Information Source ExPro InP_old 291 Name MLXEV_AEMI_OVER_TEMPERATURE Description Over temperature Cause Room temperature is too high Fan failure Action Turn off the system and let it to cool down Adjust the room temperature Address ctl 0 chn 13 tgt 14 Heat Sensor 15 Severity 1 Serious Source InP_old 292 Name MLXEV_FMTHEAT_NOTPRESENT Description Storage cabinet tempe...

Page 157: ... Severity 4 Information Source ExPro 308 Name MLXEV_FMT_UPS_AC_FAILED Description Uninterruptible power supply ac failed Cause Action Refer to enclosure manufacturer s service manual Address ctl 0 Severity 4 Information Source ExPro 309 Name MLXEV_FMT_UPS_BAT_LOW Description Uninterruptible power supply battery low Cause Action Refer to enclosure manufacturer s service manual Address ctl 0 Severit...

Page 158: ...enclosure 13 unit 14 Severity 2 Error Source ExPro InPro 323 Name MLXEV_ENCLPOWER_FAILED Description Power supply failure Cause Broken cable connection Power supply failure Action Refer to enclosure manufacturer s service manual Address ctl 0 enclosure 13 unit 14 Severity 1 Serious Source ExPro InPro 324 Name MLXEV_ENCLPOWER_OK Description Power supply has been restored Cause Faulty power supply h...

Page 159: ...d Room temperature was reduced Action None Address ctl 0 enclosure 13 unit 14 Severity 4 Information Source ExPro InPro 329 Name MLXEV_ENCLHEAT_NOTPRESENT Description Temperature sensor is not present Cause Enclosure management connection is broken Management hardware failure Sensor is not present Action Refer to enclosure manufacturer s service manual Address ctl 0 enclosure 13 unit 14 Severity 4...

Page 160: ...closure services ready Cause Action None Address ctl 0 Severity 4 Information Source ExPro 335 Name MLXEV_ENCLHEAT_UNKNOWN Description Access to temperature sensor has been lost Cause Module containing temperature sensor has been removed Action None Address ctl 0 enclosure 13 unit 14 Severity 4 Information Source ExPro 336 Name MLXEV_ENCLPOWER_UNKNOWN Description Access to power supply status info...

Page 161: ...nt Cause Room temperature is too low Sensor failure Action Inspect the enclosure environment for proper operation and repair as required Increase the room temperature as required Address ctl 0 enclosure 13 Severity 1 Serious Source ExPro 384 Name MLXEV_SYSTEM_STARTED Description Array management server software started successfully Cause The server system or array management utility server started...

Page 162: ...on Source InP_old 391 Name MLXEV_CTLDEV_GONE Description Controller is gone System is disconnecting from this controller Cause Controller has been powered off Controller has been removed from the system Action None Address ctl 0 Severity 0 Critical Source InP_old 392 Name MLXEV_CTLDEV_BBU_FOUND Description Battery present Cause A battery module has been detected and is now operational Action None ...

Page 163: ..._OFFLINE Description Controller is gone System is disconnecting from this controller Cause Controller was set offline Action If you did not expect this investigate Address ctl 0 Severity 0 Critical Source Server 399 Name MLXEV_CTLDEV_CRITICAL Description Controller s partner is gone Controller is in failover mode now Cause Controller was set offline Action If you did not expect this investigate Ad...

Page 164: ...chn 13 tgt 14 Severity 1 Serious Source Unspecified 405 Name MLXEV_CTLDEV_BBU_NORESPONSE Description Battery removed Cause Battery physically removed Action Reinstall the battery Address ctl 0 Severity 2 Error Source ExPro InP_old 406 Name MLXEV_CTLDEV_WARM_BOOT_ERROR Description WARM boot failed Cause Memory error detected during WARM boot scan Possible data loss Action Restore data from a backup...

Page 165: ... Cause User changed the setting Controller preparing for shutdown Battery low RAID expansion in process Over temperature condition No redundant power Power supply failure UPS ac failed UPS battery low Action If this was an unexpected event refer to the enclosure manufacturer s service manual Address ctl 0 param 0x2120 Severity 3 Warning Source ExPro Paramtype bitfield Params 1 name_FAULT_MANAGEMEN...

Page 166: ...ted Cause Faulty memory module Action Replace memory module Address ctl 0 chn 13 tgt 14 Severity 2 Error Source ExP_old InPro 416 Name MLXEV_CTLDEV_BBU_RECOND_NEEDED Description Battery recondition suggested Cause Action None Address ctl 0 Severity 4 Information Source ExPro 417 Name MLXEV_CTLDEV_REMOVED_PTNR Description Controller s partner has been removed Cause Controller was removed or control...

Page 167: ...x0400 name_REMOVED Removed 0x0500 name_INSERTED Inserted 420 Name MLXEV_CTLDEV_RELINQUISH_PTNR Description Relinquished partner Cause Controller failback or array manager initiated Action None Address ctl 0 Severity 4 Information Source ExPro 421 Name MLXEV_CTLDEV_INSERTED_PTNR Description Inserted partner Cause Action None Address ctl 0 Severity 3 Warning Source ExP_old 422 Name MLXEV_CTLDEV_DUAL...

Page 168: ...FBR jumper mismatch 0x0305 name_ NEGOTIATE_DSKCHNS Number of disk channels present mismatch 0x0306 name_NEGOTIATE_HOSTCHNS Number of host channels present mismatch 0x0307 name_NEGOTIATE_FWVER FW version mismatch 0x0308 name_NEGOTIATE_FWTYPE FW header type mismatch 0x0309 name_NEGOTIATE_MEMSIZE Memory size mismatch 0x030a name_NEGOTIATE_MEMRD Memory read of partner failed 0x030b name_NEGOTIATE_CACH...

Page 169: ...er failed before relinquish finished 0x0340 name_LOCK_TIMEOUT Lock timeout 0x0341 name_LOCK_SCSI_FAIL Lock SCSI failed 0x0342 name_FOR_SIMPLEX_MIGRATION Kill partner so we can do migrate recovery 0x0343 name_FAILED_CTOC General ctoc message failure 0x0344 name_FLUSH_FAIL Flush Failed 424 Name MLXEV_CTLDEV_NEXUS Description Dual controllers entered nexus Cause Action None Address ctl 0 Severity 4 I...

Page 170: ...ailure or cable failure Action If this was an unexpected event refer to service manual and correct the failure Address None Severity 4 Information Source InPro 431 Name MLXEV_SYSDEV_DATA_LOSS_IMPROPER_SHUTDOWN Description Controller improperly shutdown Data might have been lost Cause User improperly shutdown the controller resulting in inconsistent logical drive and or lost data Action Run consist...

Page 171: ...e same number of disk channels Address ctl 0 Severity 2 Error Source ExPro 437 Name MLXEV_CTLDEV_NEGOTIATION_HOST_CHANNELS Description Dual active negotiation failed host ports Cause Host ports differ Both controllers must have the same number of host ports Action Replace adjust or add components so that the controllers have the same number of host ports Address ctl 0 Severity 2 Error Source ExPro...

Page 172: ...ity server started Action If you did not expect a system reboot investigate Address Severity 4 Information Source InPro 513 Name MLXEV_SYSTEM_SIZE_TABLE_FULL Description Size table full Cause Too much physical device size information is defined Action Remove unused device information from this system Address None Severity 4 Information Source InPro 514 Name MLXEV_SYSTEM_USER_LOGGED_IN Description ...

Page 173: ...d Action None Address ctl 0 Severity 4 Information Source ExPro 520 Name MLXEV_BBU_BATT_TEST_COMPLETE Description Battery test has completed Cause Battery test has completed Action See battery test status for completion mode Address ctl 0 Severity 4 Information Source ExPro 521 Name MLXEV_BBU_BATT_TEST_CANCELED Description Battery test cancelled Cause Battery test cancelled Action None Address ctl...

Page 174: ...IBER_DEAD Description Back end fibre dead Cause Lost access to data on Fibre Channel Action Refer to enclosure manufacturer s service manual Address ctl 0 chn 13 Severity 1 Serious Source ExPro 645 Name MLXEV_CHANNEL_FIBER_ALIVE Description Back end fibre alive Cause Regained access to data on Fibre Channel Action None Address ctl 0 chn 13 Severity 4 Information Source ExPro 700 Name MLXEV_LOG_EMP...

Page 175: ...n Source ExPro 801 Name MLXEV_CFG_CLEAR Description Configuration cleared Cause Controller was told to clear the configuration Action None Address ctl 0 Severity 4 Information Source ExPro 802 Name MLXEV_CFG_INVALID Description Configuration invalid Cause The controller found an invalid configuration Action None Address ctl 0 Severity 3 Warning Source ExP_old 803 Name MLXEV_CFG_COD_ACCESS_ERROR De...

Page 176: ... assistance in retrieving the data Address ctl 0 abort code 0x1314 Severity 4 Information Source ExPro 808 Name MLXEV_CFG_COD_NOT_FOUND Description Valid configuration on disk not found Cause No physical disk contains a valid configuration on disk area Physical disks were never written with a configuration on disk Physical disks were replaced while the controller system was offline Action If you e...

Page 177: ..._HANG_80000001 Fatal Hang CfgMonitor_No NIOP 0x80000002 name_FATAL_HANG_80000002 Fatal Hang CfgMonitor_Context size is Greater than Scratch Space 0x80000011 name_FATAL_HANG_80000011 Fatal Hang Cfg_ Cannot find unused Device addr in COD 0x80000021 name_FATAL_HANG_80000021 Fatal Hang COD_ Read Data no NIOP 0x80000022 name_FATAL_HANG_80000022 Fatal Hang COD_ Read Data Contest size is greater than Scr...

Page 178: ...FATAL_HANG_80000053 Fatal Hang COD_ NIOP Not avail in RenameBDT 0x80000061 name_FATAL_HANG_80000061 Fatal Hang COD_ Process No NIOP 0x80000062 name_FATAL_HANG_80000062 Fatal Hang COD_ Process context too large 0x80000067 name_FATAL_HANG_80000067 Fatal Hang COD_ Process Bad Group ID 0x80000081 name_FATAL_HANG_80000081 Fatal Hang FW_ Start MonitorNo NIOP 0x80000082 name_FATAL_HANG_80000082 Fatal Han...

Page 179: ...0B6 name_FATAL_HANG_800000B6 Fatal Hang EBHW_SPD_ Row Column Bad 0x800000B7 name_FATAL_HANG_800000B7 Fatal Hang EBHW_SPD_ Bad CAS Latency 0x800000B8 name_FATAL_HANG_800000B8 Fatal Hang EBHW_SPD_ Bad RAS2CAS Latency 0x800000B9 name_FATAL_HANG_800000B9 Fatal Hang EBHW_SPD_ Bad Row Precharge time 0x800000BA name_FATAL_HANG_800000BA Fatal Hang EBHW_SPD_ Bad Refresh Rate 0x800000C1 name_FATAL_HANG_8000...

Page 180: ...00FB Fatal Hang FW_ Cannot find group member when clearing GEN_ON 0x800000FC name_FATAL_HANG_800000FC Fatal Hang FW_ No continuous Block of Memory Avail 0x800000FD name_FATAL_HANG_800000FD Fatal Hang FW_ No HW found EastBay 0x800000FE name_FATAL_HANG_800000FE Fatal Hang FW_ Reallocate Memory Failed 0x800000FF name_FATAL_HANG_800000FF Fatal Hang FW_ Not enough memory for C_L_D 0x80000101 name_FATAL...

Page 181: ...racks 0x80000154 name_FATAL_HANG_80000154 Fatal Hang WbkMgr_ Bad number of users 0x80000155 name_FATAL_HANG_80000155 Fatal Hang WbkMgr_ Bad Lock 0x80000156 name_FATAL_HANG_80000156 Fatal Hang WbkMgr_ Unexpected Dirty Lines 0x80000201 name_FATAL_HANG_80000201 Fatal Hang HWISP_ Total SCSI Active Exchange Count Underflow 0x80000202 name_FATAL_HANG_80000202 Fatal Hang HWISP_ Target Exchange Count Unde...

Page 182: ...rupt Code 0x80000227 name_FATAL_HANG_80000227 Fatal Hang HWISP_ Un Acknowledged Event 0x80000228 name_FATAL_HANG_80000228 Fatal Hang HWISP_ Invalid RX_ID 0x80000229 name_FATAL_HANG_80000229 Fatal Hang HWISP_ Too many Scatter Gather Segments 0x80000231 name_FATAL_HANG_80000231 Fatal Hang BkgPtrl_ No NIOP 0x80000232 name_FATAL_HANG_80000232 Fatal Hang BkgPtrl_ No Memory to Allocate 0x80000238 name_F...

Page 183: ...idge Unit 0x80008004 name_HW_SBI_ERROR Error in Secondary side of PCI to PCI Bridge Unit 0x80008005 name_HW_ABI_ERROR Error in Bus Interface Unit 0x80008006 name_HW_DMA0_ERROR Error in DMA Unit Ch0 0x80008007 name_HW_DMA1_ERROR Error in DMA Unit Ch1 0x80008008 name_HW_DMA2_ERROR Error in DMA Unit Ch2 0x80008009 name_HW_IntNMI_ERROR Error caused by Software interrupt 0x8000800A name_HW_ExtNMI_ERROR...

Page 184: ...ng a Physical Drive Online or Offline on page 189 7 7 Locating a Logical Drive Physical Drive or Enclosure on page 190 7 8 Updating a Controller s Firmware on page 191 7 9 Reconditioning a Battery Backup Unit on page 194 7 10 Shutting Down a Controller on page 195 7 11 Repair Actions on page 196 7 1 Running a Logical Drive Initialization Logical drive initialization offers the ability to run a ful...

Page 185: ...128 to monitor the progress of your initialization or cancel it 7 2 Running a Logical Drive Consistency Check Run a consistency check on each of your fault tolerant logical drives on a regular schedule Deciding on how often to check your drives depends on the type of data Run a consistency check more often if the cost of losing data is very high and run it less often if the cost of losing data is ...

Page 186: ...ur Consistency Check or cancel it 7 3 Running a Manual Rebuild In the event of a physical disk drive failure a Rebuild is the process of regenerating and writing data to a replacement disk drive During a rebuild process the system drive operates in an online critical and rebuilding or degraded state The physical device is operating in an online rebuild state Arrays are rebuild candidates only if a...

Page 187: ...difying Controller Properties on page 73 and locate the Advanced Tab Controller Properties To check the status of all physical drives connected to a controller this includes spare drives select a controller from the navigation area To start or stop Disk Scrubbing click Controller Disk Scrubbing from the menu bar Select one of the following options Run Continually Starts Disk Scrubbing immediately ...

Page 188: ...are removed from the table Note The controller does not allow the user to delete entries for hosts that are connected The controller takes a few minutes to recognize this change If you need to see the change immediately reboot the controller by clicking Controller Reboot 7 6 Forcing a Physical Drive Online or Offline Forcing a physical drive online or offline also affects the state of any logical ...

Page 189: ...OK 7 7 Locating a Logical Drive Physical Drive or Enclosure When you are performing maintenance tasks you may need to locate a drive or enclosure in order to replace it To locate a logical or physical drive do the following 1 Select a logical or physical drive to locate 2 Either right click the logical or physical drive and select locate or from the Logical or Physical Menu select Locate 3 A messa...

Page 190: ... in a specified ima file to the on board flash memory As maintenance releases of the firmware become available this utility allows you to keep your controller current Note Updating controller firmware requires the controller to reboot Use the following steps to perform a firmware update 1 Click Controller Update Firmware from the menu bar Figure 103 Update Firmware Password A Warning dialog box di...

Page 191: ...mware Update 4 Type the name of the appropriate image file ima in the New firmware image file on field or click Browse to locate the file Note Spheras Storage Director does not impose any length limitation on the file path If you select Browse the Open Image file dialog box is displayed see Figure 105 Open Image File Dialog Box on page 193 ...

Page 192: ... 2003 Adaptec Inc 193 Figure 105 Open Image File Dialog Box ...

Page 193: ... gauge does not read the actual charge on a battery pack but measures and tracks the current into and out of the battery pack The gas gauge is synchronized to the battery pack condition by performing a full discharge cycle followed by a charge cycle A new battery pack must first be discharged and fully charged followed by another discharge and charge cycle This process continues until the remainin...

Page 194: ...log Box 3 Click OK 4 Open the Task Monitor to view the status of the recondition See 6 8 Monitoring Long Operation Tasks on page 128 for more information about the Task Monitor 7 10 Shutting Down a Controller The purpose of this activity is to cleanly prepare to shut down the controller system leaving the BBU charged In a duplex controller environment both controllers are prepared for shutdown Shu...

Page 195: ...page 196 7 11 2 Repair an Array on page 197 7 11 3 Repair a Logical Drive on page 197 7 11 4 Repair a Controller on page 198 7 11 5 Repair a BBU on page 198 7 11 6 Repair an Enclosure on page 198 7 11 7 Repair a Server on page 199 7 11 1 General Repairs For general repairs first see 6 2 2 Viewing Event Details on page 111 The event detail tells you the event ID and gives you a description of probl...

Page 196: ... 197 Replace any parts that need to be replaced such as a failed fan If expanding an array make sure that the logical drives and physical drives can support the expansion See 5 8 Expanding an Array on page 102 for more information 7 11 3 Repair a Logical Drive Events that may cause a logical drive to need repair The logical drive is critical Logical drive failure Logical drive initialization failu...

Page 197: ... hard drive causes a warning event Hard drive error found which could lead to a consistency check error event Consistency check on logical drive error which could lead to a serious event A hard disk has failed which could lead to a critical event A logical drive has failed 7 11 5 Repair a BBU Events that may cause a BBU to need repair Power supply failure BBU power low BBU recondition needed BBU h...

Page 198: ...to need repair Lost connection to server Server is down One or more controllers visible to the server are having problems To repair a server Check if the server s status indicates that the connection was lost If this is the case then the server may be down the network connection to it is not working or the Spheras Storage Director Server is not running on that server Try reconnecting to the server...

Page 199: ...200 Spheras Storage Director Installation and User Guide ...

Page 200: ...tiple HTTP servers are installed on the same system they must be configured to communicate on different ports Use the following procedures according to which HTTP Web Server you are using A 1 1 Windows Manually Configuring an Apache HTTP Web Server To configure an Apache HTTP Web Server follow these steps Using a text editor open the following file C Program Files Apache Group Apache conf httpd co...

Page 201: ...have to access it by its address e g http 123 45 67 89 anyway and this will make redirections work in a sensible way 127 0 0 1 is the TCP IP local loop back address often named localhost Your machine always knows itself by this address If you use Apache strictly for local testing and development you may use 127 0 0 1 as the server name ServerName Type Your IP Address or DNS Name Here Modify this v...

Page 202: ...b sever in the left pane in this example it s called Default Web Site Figure 110 IIS Selecting a new virtual directory on page 203 Right click Your Web Server New Virtual Directory Figure 110 IIS Selecting a new virtual directory Select a New Virtual Directory The Virtual Directory Creation Wizard Welcome Window opens ...

Page 203: ...ras Storage Director Installation and User Guide Figure 111 Virtual directory creation welcome screen Virtual Directory Creation Wizard Welcome Dialog Box Click Next The Virtual Directory Alias dialog box opens ...

Page 204: ... Virtual Directory Alias Type an Alias for the Spheras Storage Director The path will be the destination folder of your Spheras Storage Director Server see Figure 113 Web site content directory on page 206 Click Next The Web Site Content Directory dialog box opens ...

Page 205: ...ntent Directory In the Directory field type the path or click Browse to navigate to the directory The path will be the destination folder of your Spheras Storage Director Server See Figure 113 Web site content directory on page 206 for an example of a path Click Next The Access Permissions dialog box opens ...

Page 206: ...tec Inc 207 Figure 114 Virtual directory access permissions Select Access Permissions Select the Read option This is the only option required by Spheras Storage Director Select other options if desired Click Next ...

Page 207: ... to interact with the Spheras Storage Director Server an HTTP server must be installed on a minimum of one server To configure an Apache HTTP Web Server follow these steps Using a text editor open the following Apache file the path may vary according to where your Apache software was installed usr local apache conf http conf Locate the section that discusses defining aliases Aliases Add here as ma...

Page 208: ...oll to find the Server Name variable ServerName gives the name and port that the server uses to identify itself This can often be determined automatically but we recommend you specify it explicitly to prevent problems during startup If this is not set to valid DNS name for your host server generated redirections will not work See also the UseCanonicalName directive If your host doesn t have a regi...

Page 209: ... SSD opt Adaptec SpherasStorageDirectorServer Note that if you include a trailing on fakename then the server will require it to be present in the URL So icons isn t aliased in this example only icons Alias icons var apache icons Directory var apache icons Options Indexes MultiViews AllowOverride None Order allow deny Allow from all Directory Alias SSD your path This alias allows your machine to a...

Page 210: ...IP address or DNS name here If this variable is not changed the Apache server will use it s own IP address 127 0 0 1 and run as a loop back server If this happens it will cause the SSD server not to function correctly or server failure Save the file Refresh the Apache HTTP Web Server Go to usr apache bin and type apachectl stop then type apachectl start Note You may need to use chmod if the comman...

Page 211: ...212 Spheras Storage Director Installation and User Guide Figure 116 Apache Installation The Apache HTTP Web Server manual configuration is complete ...

Page 212: ...base application running 24 hours a day Will the array contain large audio or video files to be played back on demand Will the array serve as a repository for imaging systems Each of the above applications has a different access profile the type and frequency of read and write activity performed against the array over time Identifying the data access profile will help you determine a strategy favo...

Page 213: ...acks Does not deliver any fault tolerance If any drive in the array fails all data is lost Uses Intended for non critical data requiring high performance Drives Minimum 2 Maximum 16 Fault Tolerance No B 2 1 RAID 1 Mirroring The controller duplicates data from one drive to another With Spanning RAID 10 Benefits Provides 100 data redundancy Should one drive fail the controller simply switches reads ...

Page 214: ...ot match RAID 0 in write performance because of the processing required to compute and write error correction data While a controller is rebuilding a drive users will experience reduced performance if they try to read or write data to the array Drives Minimum 3 Maximum 16 Fault Tolerance Yes B 2 4 RAID 0 1 Mirroring and Striping The controller combines the functions of both data striping RAID 0 an...

Page 215: ...erant operation Perhaps performance is extremely important to you Every installation has a different set of requirements and most installations have a combination of these Unfortunately these options are somewhat mutually exclusive and it isn t possible to configure an array with all of these characteristics optimized For example you can t have maximum capacity and maximum availability in a single...

Page 216: ...s important to understand some of the terminology concerning the condition of array operation These definitions are presented in the following table Maximum Capacity RAID Levels RAID Level Effective Capacity Example capacity in GB 0 X N 5 2 10 1 X N 2 5 2 2 5 3 X 1 N 5 1 2 8 5 X 1 N 5 1 2 8 0 1 X N 2 5 2 2 5 JBOD X N 5 2 10 Table 3 Maximum Capacity RAID Levels Maximum Availability Array Conditions...

Page 217: ...ential loss of data outfit your controller with a battery backup for the cache memory The battery backup option enables the cache to be retained until the data can be written to disk Your data is important This simple and inexpensive insurance can prevent a power interruption from turning into a disaster Notes If the array will not use write cache battery backup is not necessary If write cache is ...

Page 218: ...rives that can be created is 32 B 6 2 Array Configuration Tables The following tables One Drive Two Drives Three Drives Four Drives Five Drives Six Drives Seven Drives Eight Drives give drives and drive groups possible RAID levels for these drives or drive groups and the effective capacity for these drives or drive groups See also Example RAID configurations For example For One Drive If you have o...

Page 219: ...Drive Groups Possible RAID Levels Effective Capacity A o A JBOD A 1 B o B JBOD B 1 C o C JBOD C 1 A oo A 0 A 2 O A 1 SBY A 1 A ooo A 5 A 2 A 0 1 A 1 5 A 0 A 3 Table 8 Array configuration Three drives Array Configuration Four Drives Drives and Drive Groups Possible RAID Levels Effective Capacity A o A JBOD A 1 B o B JBOD B 1 C o C JBOD C 1 D o D JBOD D 1 A oooo A 5 A 3 A 0 1 A 2 A 0 A 4 A ooo A 5 S...

Page 220: ... B 1 O B 0 B 2 B 1 SBY B 1 A ooooo A 5 A 4 A 0 1 A 2 5 A 0 A 5 A ooo A 5 A 2 B oo A 0 1 A 1 5 B 0 B 2 B 1 B 1 Table 10 Array Configuration Five drives Array Configuration Six Drives Drives and Drive Groups Possible RAID Levels Effective Capacity A o A JBOD A 1 B o B JBOD B 1 C o C JBOD C 1 D o D JBOD D 1 E o E JBOD E 1 F o F JBOD F 1 A oooooo A 5 A 5 A 0 1 A 3 A ooooo A 5 SBY A 4 O A 0 1 SBY A 2 5...

Page 221: ... Drives Drives and Drive Groups Possible RAID Levels Effective Capacity A o A JBOD A 1 B o B JBOD B 1 C o C JBOD C 1 D o D JBOD D 1 E o E JBOD E 1 F o F JBOD F 1 G o G JBOD G 1 A ooooooo A 5 A 6 A 0 1 A 3 5 A oooooo A 5 SBY A 5 O A 0 1 SBY A 3 A oooo A 5 SBY A 3 B oo A 0 1 SBY A 2 O B 0 B 2 B 1 B 1 A ooo A 5 SBY A 2 B ooo B 5 SBY A 2 O A B 5 0 SBY A B 4 A 0 1 SBY A 1 5 Table 12 Array Configuration...

Page 222: ...D E 1 F o F JBOD F 1 G o G JBOD G 1 H o H JBOD H 1 I o I JBOD I 1 A oooooooo A 5 A 7 A 0 1 A 4 A 0 A 8 A ooooooo A 5 SBY A 6 A 0 1 SBY A 3 5 O A 0 A 7 A ooooo A 5 SBY A 4 B oo A 0 1 SBY A 2 5 O B 0 B 2 B 1 SBY B 1 A ooo A 5 SBY A 2 B ooo A 0 1 SBY A 1 5 o o A 0 A 3 A B 5 0 SBY A B 4 A 0 1 0 SBY A B 3 B 5 SBY 2 B 0 1 SBY B 1 5 A oooo A 5 A 3 Table 13 Array Configuration Eight drives Table 12 Array ...

Page 223: ...r Installation and User Guide B oooo B 5 B 3 A B 5 0 A B 6 A 0 1 A 2 B 0 1 B 2 A B 0 1 0 A B 4 A 0 B 4 A oooo A 5 SBY A 3 B ooo A 0 1 SBY A 2 O B 5 SBY B 2 B 0 1 SBY B 1 5 A 0 A 4 B 0 B 3 Table 13 Array Configuration Eight drives ...

Page 224: ...sers ASIC Application Specific Integrated Circuit a chip created for a specific application Array Multiple disk drives configured to behave as a single independent disk drive See also Disk Array Asynchronous Data Transfer Data transfer not synchronized to a set timing interval Asynchronous devices must wait for a signal from the receiving device after each byte of data Auto Swap The exchange of a ...

Page 225: ...s in a system Booting or Bootstrapping Loading operating system code and other basic software from a disk or other storage device to help a computer start Bridge RAID Controller A device appearing as a single ID in a SAN but which bridges to multiple devices typically used to control external RAID subsystems compare to Internal PCI based RAID subsystems see Internal RAID Controller A bridge RAID c...

Page 226: ...ed through a channel or I O bus in the course of execution of an I O load usually expressed in MBps Device Driver A software program that controls a particular type of device attached to a computer such as a RAID subsystem printer display CD ROM disk drive etc Disk A non volatile randomly addressable re writable data storage device including rotating magnetic and optical disks as well as solid sta...

Page 227: ...into a PC or server External RAID controllers are often referred to as a bridge RAID controller SANArray FL FF FFx and Pro FF2 controllers are external RAID controllers F Failover A mode of operation for failure tolerant systems in which a component has failed and a redundant component has assumed its functions Failover Port A fibre channel port capable of assuming I O requests for another failed ...

Page 228: ...start Hot Standby A redundant component in a fault tolerant storage system that has power applied and is ready to operate but which does not perform its task as long as the primary component for which it is standing by is functioning properly See also Hot Replacement of Disks and Hot Spare Hot Swap The exchange of a replacement unit in a storage system for a defective unit The exchange requires hu...

Page 229: ...o another disk drive this duplication occurs simultaneously with each write operation each disk will be the mirror image of the other also known as RAID Level 1 MORE Mylex Online RAID Expansion an advanced configuration mode that allows expansion of any unconfigured or hot spare drive into the expandable drive group while the controller is online with the host For example a system using a five dis...

Page 230: ... levels All DAC960 AcceleRAID and eXtremeRAID series controllers support these RAID levels See also Berkeley RAID Levels Level 0 Provides block striping across multiple drives yielding higher performance than is possible with individual drives This level does not provide any redundancy Level 1 Drives are paired and mirrored All data is 100 percent duplicated on a drive of equivalent size Level 3 D...

Page 231: ...uence as opposed to randomly Server A computer program that provides and manages services to other computer programs on the same or other computers The computer that a server program runs in is also frequently referred to as a server SES SCSI Enclosure Services a standard for SCSI access to services within an enclosure containing one or more SCSI devices For disk drives power supplies cooling elem...

Page 232: ...data data residing in actual physical disk sectors which are logically ordered first to last is divided over all disks in the drive group Stripe Width The number of striped SCSI drives within a drive group Striping The storing of a sequential block of incoming data across multiple SCSI drives in a group For example if there are 3 SCSI drives in a group the data will be separated into blocks and bl...

Page 233: ...ot the disk drive receives the data to be written The target disk drive will receive the data at a more appropriate time in order to increase controller performance An optional cache battery backup can be used to protect against data loss as a result of a power failure or system crash Write Through Cache A caching strategy whereby data is written to the SCSI drive before a completion status is ret...

Page 234: ...g on 45 login status 56 menu bar 55 object status 56 opening screen 55 toolbar 55 client software exiting 65 logging on 45 Coalesce Device Queues 80 Command Queue Limit 80 Configuration 86 assisted 87 backing up 107 choosing 213 detailed information 213 expanding an array 102 fault tolerance 88 for maximum availability 217 for maximum capacity 217 for maximum performance 218 manual 92 multiple too...

Page 235: ...8 H Help Menu 64 Host LUN Mapping 96 Hot Spare 229 creating 94 HTTP server requirements 17 HTTP Web Server Apache with Linux 208 configuring Apache with Windows 201 Microsoft IIS 202 I iHosts File editing 52 Initialization logical drive 185 Installation client 28 client checklist 17 controllers 16 host bus adapters and drivers 16 server 20 server checklist 17 subsystems 16 TCP IP 16 Invalid LUN 82...

Page 236: ...tic restore 83 Passwords 45 Performance recommendations 17 Physical Drives disk scrubbing 188 forcing online offline 189 locating 190 polling 81 predicted failures 80 properties 120 rebuild rate 78 startup options 78 Physical Menu 63 Predicted Drive Failures 80 Prerequisites and requirements 15 R RAID 0 Striping 214 RAID 0 1 Mirroring and Striping 215 RAID 1 Mirroring 214 RAID 3 Striping with Pari...

Page 237: ... configuration sd conf 39 sgen conf 40 Solaris post installation configuration 39 Spanning 99 Starting the Client 43 Status Icons 57 Stripe Size 233 T Task Menu 61 Tasks 128 TCP IP 233 Toolbar 65 icons 65 Topologies 77 U Uninterruptible Power Supply monitoring 80 Updating controller firmware 191 server with Linux 42 with Windows 42 User Name 46 V View Menu 64 W world wide name 84 Write Back Cache ...

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