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Altos RAIDWatch User Guide

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C.3 RAID 0

RAID 0 implements block striping where data is broken into logical blocks and striped across several
drives. Although called RAID 0, this is not a true implementation of RAID because there is no facility
for redundancy. In the event of a disk failure, data is lost.

In block striping, the total disk capacity is equivalent to the sum of the capacities of all SCSI drives
in the array. This combination of drives appears to the system as a single logical drive.

RAID 0 provides the highest performance without redundancy. It is fast because data can be
simultaneously transferred to/from multiple disks. Furthermore, read/writes to different drives can
be processed concurrently.

C.4 RAID 1

RAID 1 implements disk mirroring where a copy of the same data is recorded onto two sets of
striped drives. By keeping two copies of data on separate disks or arrays, data is protected against
a disk failure. If, at any time, a disk on either side fails, the good disks can provide all of the data
needed, thus preventing downtime.

2 GB Hard drive

3 GB Hard drive

1 GB Hard drive

2 GB Hard drive

2 + 3 + 1 + 2 = 8 GB Logical Drive

Block 1
Block 2
Block 3
Block 4
Block 5
Block 6
Block 7
Block 8

Block 1
Block 3
Block 5
Block 7

Block 2
Block 4
Block 6
Block 8

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Содержание Altos RAIDWatch

Страница 1: ...Isssue 2 0 1 May 2004 ...

Страница 2: ...Infortrend Technology Inc Altos RAIDWatch is a trademark of Infortrend Technology Inc PowerPC is a trademark of International Business Machines Corporation and Motorola Inc Microsoft Windows Windows NT and MSDOS are registered trademarks of Microsoft Corporation in the U S and other countries Novell and NetWare are registered trademarks of Novell Inc in the U S and other countries SCO OpenServer a...

Страница 3: ... Chart 8 2 3 Platform Requirements 9 2 3 1 Platform Limitations 9 2 3 2 Solaris Platforms 9 2 3 3 Windows Platforms 12 2 4 Software Setup 14 2 4 1 Before You Start 14 2 4 2 Installing Altos RAIDWatch 14 2 4 3 Installing Out of Band Components 17 2 4 4 Installing In Band Components 19 2 4 5 Applet Only Installation 22 2 5 List of Filenames 25 2 6 Program Updates 26 2 7 In band SCSI 26 2 7 1 Configu...

Страница 4: ...orking from the Local Primary Agent Host 50 4 3 2 Connecting to a RAID System from a Distant Host 51 4 3 3 Disconnecting from a Disk Array System 53 4 4 Setting Up Security 53 4 4 1 Setting a Password for Altos RAIDWatch Controller Access 53 4 4 2 Setting TCP Port Numbers 54 4 5 Look and Feel 55 4 5 1 Look and Feel Overview 55 4 5 2 Navigation Menus 55 4 5 3 Tool Bar 56 4 5 4 Common Commands 56 4 ...

Страница 5: ...iguration of a Channel 86 8 1 Scanning in Drives 89 8 1 1 Scanning in a Drive 89 8 2 Logical Drive Management 90 8 2 1 Accessing the Create Logical Drive Window 90 8 2 2 Creating Logical Drives 91 8 2 3 Expanding a Logical Volume 95 8 2 4 Dynamic Logical Drive Expansion 98 8 2 5 Adding and Deleting Spare Drive Assignments 101 8 2 6 Rebuilding Logical Drives 104 8 2 7 Deleting a LD 105 8 3 Creating...

Страница 6: ...ity Levels 147 11 4 1 Level 1 Severity Events examples 147 11 4 2 Level 2 Severity Events examples 148 11 4 3 Level 3 Severity Events example 148 11 5 Configuring Notification Options 148 11 5 1 Configuring Modem Settings 148 11 5 2 Configuring Fax Notification 149 11 6 Configuring Pager Notification 152 11 7 Configuring Broadcast Message Notification 152 11 8 Configuring E Mail Notification 153 1...

Страница 7: ...t List 169 12 6 5 Event Severity Levels 171 A 1 Menu Commands 173 A 2 Before You Begin 174 A 3 Command Buttons 175 B 1 Common Oversights 177 B 2 Error Codes 178 B 3 Error Messages 179 B 3 1 Under Channel Settings 179 B 3 2 Under Logical Drive Creation 180 B 3 3 Under Logical Drive Settings 180 B 3 4 Under RAIDView 180 C 1 RAID Description 183 C 2 Non RAID Storage 183 C 3 RAID 0 184 C 4 RAID 1 184 ...

Страница 8: ...viii ...

Страница 9: ...tanding of the Altos RAIDWatch software Learn how to install configure and run the Altos RAIDWatch software in Linux IRIX and Windows environments Learn about hardware and software requirements Learn how to use the GUI to operate the Altos RAIDWatch software Structure of this Manual This user guide contains the following chapters and appendices Chapter 1 Introduction on page 1 Provides information...

Страница 10: ...IDWatch Manager Chapter 9 LUN Mapping on page 121 explains LUN Mapping features including accessing the LUN map table mapping a complete Logical Drive or Logical Volume deleting a host LUN mapping Extended LUN mapping adding a WWN name and deleting an Extended LUN Mapping or WWN Name Chapter 10 System Monitoring and Management on page 135 describes system monitoring and management features includi...

Страница 11: ...not to any of the other parts of the software Primary Agent The element of the software which permits one station to manage multiple RAID systems The Primary Agent gets information from and sends commands to one or multiple Secondary Agents Secondary Agent The part of the software which allows the local RAID controller to talk to the Primary Agent and thus to Altos RAIDWatch Manager A Secondary Ag...

Страница 12: ...IDWatch agents and Altos RAIDWatch Manager can be uninstalled Choose the Uninstall icon in the Altos RAIDWatch group or type uninstall in the usr hybrid bin subdirectory under Unix based systems Revision History 1 0 May 2004 Initial Release ...

Страница 13: ...Preface xiii ...

Страница 14: ...Altos RAIDWatch User Guide xiv ...

Страница 15: ...Graphic User Interface Altos RAIDWatch provides a user friendly interface that facilitates understanding of the relationship between disk array elements and simplifies the normally complicated process of array configuration Altos RAIDWatch also provides real time reporting on the status of the entire array thus making the task of monitoring disk arrays virtually effortless Since the release of sof...

Страница 16: ...defining spare drives creating deleting and partitioning logical volumes and mapping logical drive and volume partitions to specific host channels LUNs Enclosure management functions including defining multiple customized enclosures dimensions and number of drives monitoring physical drive power supply fan and temperature status displaying the relative location of failed physical drives for reduce...

Страница 17: ... listed Users need only point and click a mouse button to select an icon or command The program also identifies the current status of various drives by changing the colors of their respective icons With an easy to use interface complicated disk array operations such as logical drive and logical volume creation drive partitioning and drive partition mapping to host channels LUNs can be completed wi...

Страница 18: ...va based Remote Management Altos RAIDWatch supports remote management of disk array controllers over a LAN WAN or the Internet using the TCP IP protocol Management over the LAN is achieved through data exchanges between a remote Altos RAIDWatch Manager station and Altos RAIDWatch agents on the host server s Figure A 2 shows a typical connection A 3 5 Password Protection Altos RAIDWatch Manager com...

Страница 19: ...sed The main server will also need Java Run time Environment JRE installed if it is a Altos RAIDWatch Manager or Event Monitor site Subsequent installations at other RAID servers will only need the Secondary agent installed Table A 1 on page 5 provides a guide to what modules need to be installed on which server Note items in the bottom five rows of the table are not included with Altos RAIDWatch ...

Страница 20: ...olaris servers 2 OS patches are required to run JRE on Solaris AIX and Linux servers 3 Browser preferences must be edited for browsers running under Windows systems The requirements for installing Event Monitor are exactly the same as those for Altos RAIDWatch Manager ...

Страница 21: ...s 2 5 on page 25 Program Updates 2 6 on page 26 In band SCSI 2 7 on page 26 2 1 System Requirements The minimum hardware and software requirements for Altos RAIDWatch are listed below 2 1 1 Server Running Altos RAIDWatch Pentium or above compatible or equivalent PC running Windows NT 4 Windows 2000 XP Solaris 7 8 SPARC x86 AIX 4 3 or Red Hat Linux 6 1 kernel v2 2 xx Red Hat 7 SUSE 7 At least one a...

Страница 22: ... or fax notification is needed Windows NetBEUI support for Windows NT 95 98 2000 XP if network broadcast support notification is needed 2 2 RAID Chart Before installing Altos RAIDWatch and its various agents and modules it is helpful for users to chart their RAID systems Users who operate a single RAID from a local or remote workstation may skip this section For users with multiple RAID systems th...

Страница 23: ...4 5 or above under Solaris x86 SPARC 2 3 2 Solaris Platforms Altos RAIDWatch supports both Solaris 7 and 8 x86 and SPARC servers and workstations Prior to running the installation procedure for Altos RAIDWatch on a Solaris machine complete the following steps 1 Mount installation CD 2 Add agents Please add necessary agents to the system shell script These agents will be loaded when the system init...

Страница 24: ...complete the following steps 1 Use a web browser to open http www sun com software solaris jre download html 2 Click on the HTTP hotpoint that corresponds with your Solaris version For example if your platform is a SPARC workstation and the Solaris is an English edition click Solaris SPARC Platform Edition English to open the next HTML page 3 The web server will then ask you to sign in Please sign...

Страница 25: ... strings to etc profile usr hybrid bin secondary dev null 2 1 usr hybrid bin primary dev null 2 1 3 If your Red Hat Linux 6 1 host is a web server Make sure that web server software is already installed on your Linux server The default web directory will be usr home httpd Allow the Altos RAIDWatch installation package to be accessed from usr home httpd html a Mount the Altos RAIDWatch installation...

Страница 26: ... Me NT 2000 XP for workstations 1 In order to use Netscape in Windows append the string user_pref signed applets codebase_principal_support true to c winnt profiles username for Windows NT or Windows 2000 or c Program_Files Netscape Users username for Windows 95 98 Me XP 2 SNMP Service SNMP service for Windows NT if the SNMP agent is under a Windows NT environment must be enabled Locate Services u...

Страница 27: ...Installation 13 Windows NetBEUI support for Windows NT 95 98 Me 2000 XP if network broadcast support notification is needed must be enabled Refer to your Windows documentation for more information ...

Страница 28: ...llation and operation under different OS environments 2 4 2 Installing Altos RAIDWatch Follow these steps to install Altos RAIDWatch on your server s and RAID systems the installation procedure for Altos RAIDWatch Manager and Event Monitor is explained in section 2 4 3 1 Insert the Altos RAIDWatch installation CD into your CD ROM drive 2 If installing on a Unix system mount the Altos RAIDWatch CD ...

Страница 29: ... through the License Agreement If you are in agreement with the specified terms and wish to continue installing the Altos RAIDWatch program select the Accept If you do not wish to continue with the installation process then select the Stop button Figure 2 1 Welcome to the Install Shield Window Figure 2 2 Licence Agreement ...

Страница 30: ...ration tools as well as the Altos RAIDWatch GUI on the local computer This option should only be selected when the controller is connected directly to the local computer via the serial port Applet Only This will install the GUI onto the controller itself Prior to selecting this option a user must reserve space on the controller After the space has been reserved and if this installation option is s...

Страница 31: ...lected the directory in which you wish to install the Out of Band components and if you wish to continue installing the Out of Band components select the Next button and the screen shown in Figure 2 4 will appear If you wish to discontinue the installation process select the Stop button If you wish to re read the License Agreement select the Back button 3 From Figure 2 4 above additional component...

Страница 32: ...igure 2 4 was selected the Install Active window shown in Figure 2 5 will appear If you wish to stop the installation procedure then click the Stop button If you wish to continue installing the Out of Band components allow the installation shield to continue the installation process uninterrupted 5 Once the Out of Band components have been successfully installed a window indicating the successful ...

Страница 33: ...If you wish to change the directory select the Browser button and choose the directory you wish to use 2 Once you have selected the directory in which you wish to install the In Band components and if you wish to continue installing the In Band components select the Next button and the screen shown in Figure 2 7 will appear If you wish to discontinue the installation process select the Stop button...

Страница 34: ...hen use your mouse to de select those components you do not wish to install Once the additional components have been selected and if you wish to proceed with the installation process select the Next button If you do not wish to proceed with the installation process select the Stop button and if you wish to re select the installation options then select the Back button Figure 2 7 Additional Compone...

Страница 35: ...tton If you wish to continue installing the In Band components allow the installation shield to continue the installation process uninterrupted 5 Once the In Band components have been successfully installed a window indicating the successful installation shown in Figure 2 9 will appear To complete the process and to make the window disappear click on the OK button Figure 2 8 Installing Active ...

Страница 36: ...talled firmware on the controller 3 Use the FW to create a logical array please refer to your RAID Controller Operating Manual Make sure that you reserve a space of at least 256MB This reserved space is required for the Altos RAIDWatch Files that will be transferred to the RAID Controller Caution If you do not reserve a space of at least 256MB you will not be able to transfer the necessary Altos R...

Страница 37: ...f you wish to discontinue the installation process select the Stop button If you wish to re read the License Agreement select the Back button 4 As shown in Figure 2 10 above enter the IP address or the host name of the controller and the controller password in the respective fields The default controller is blank and it needs to be configured in Altos RAIDWatch Once IP or host name and the control...

Страница 38: ... Stop button If you wish to continue installing the Applet components allow the installation shield to continue the installation process uninterrupted 6 Once the Applet components have been successfully installed a window indicating the successful installation shown in Figure 2 12 will appear To complete the process and to make the window disappear click on the OK button Figure 2 11 Installing Act...

Страница 39: ...yy zzz grm htm or to run the Event Monitor enter the following into the address bar of the web browser http www xxx yyy zzz grem htm where www xxx yyy zzz is the IP address entered in Figure 2 10 2 5 List of Filenames Below is a list of key Altos RAIDWatch files installed during the installation process All files should be found in the usr hybrid bin default directory or the directory you chose du...

Страница 40: ...used for These days more and more external devices require communication with the host computer for device monitoring and administration This is usually done through RS 232C ports An alternative means of communication is now available for FC to SATA RAID controllers in band SCSI The traditional way for SCSI controllers to communicate with the host computer has been via software such as Altos RAIDW...

Страница 41: ...er settings for your host operating system 7 From the Main Menu press up or down arrows to select View and Edit Configuration Parameters View and Edit Config Parms Press Enter and then use the up or down arrows to select Host side SCSI Parameters Then press Enter Host Side SCSI Parameters Table 2 2 Peripheral Device Type Parameters Windows NT 4 0 0x1f connected disabled All Undefined LUNs NetWare ...

Страница 42: ...orage Array Controller Device 0xC Unknown Device 0x1f On the front panel use up or down arrows to select Peripheral Device Type Parameters and then press Enter Periph Dev Type Parameters For this example we assume that there are currently no peripheral devices Device Type No Device 0x7f Press up or down arrows to choose Set Device Type Unknown 0x1f Set Device Type Unknown 0x1f The default setting ...

Страница 43: ...Device Type is set to No Device 0x7F Press up or down arrows to select LUN Application and then press Enter The default setting is All Undefine LUN LUN Application All Undefine LUN Press Enter and use up or down arrows to select Undefine LUN 0 s Applies to Undefine LUN 0 s Press Enter to accept The screen should display the following message LUN Application Undefine LUN 0 s ...

Страница 44: ...Altos RAIDWatch User Guide 30 ...

Страница 45: ...not be available to you Accessing the Configuration Panel 3 2 on page 31 Primary Agent Configuration 3 3 on page 33 Secondary Agent Settings 3 4 on page 36 NPC Settings 3 5 on page 37 Rebooting the Controller 3 6 on page 45 3 2 Accessing the Configuration Panel 3 2 1 Using Windows Altos RAIDWatch Installed as In Band If during the installation process outlined in Chapter 2 the In Band option was s...

Страница 46: ...ondary Agent Notification Processing Center NPC 3 2 2 Using Web Browser Altos RAIDWatch Installed as Applet If during the installation process outlined in Chapter 3 on page 31 the Applet Only option was selected the Altos RAIDWatch GUI must be accessed through a web browser To access the configuration panel shown in Figure 3 2 type in the controller IP address see Section 2 4 5 on page 22 followed...

Страница 47: ...Base Settings are shown in Figure 3 3 Port Number This is the port number the Altos RAIDWatch Manager stations will use to communicate with the Primary Agent Enable Redundant This is selected to enable primary agent NPC on another server for the precaution that a Primary Agent NPC might fail and as the consequence fatal system events might then occur unnoticed SSL Enable This option only available...

Страница 48: ...y resolved between agents Peer Host enter the IP address Peer s Port Number A use should enter the same port number as that on the current Primary Agent host Negotiation Interval This is the duration of time in seconds for Primary Agents to negotiate for the active standby status A Primary Agent might wait for seconds for its peer agent to start up Important At least one Primary Agent and one Seco...

Страница 49: ...DWatch Host names These are IP addresses for each RAID server Port Number The settings that should be the same for all Secondary Agents but should they should be from the Primary Agent port setting and otherwise unique to the Secondary Agents Important The Primary Agent default port setting should be changed to a network unique assignment The default TCP port setting is 58632 Any port number betwe...

Страница 50: ...hown in Figure 3 5 will appear Important Local Secondary Agents must be installed at all RAID hosts managed by Altos RAIDWatch Host Name IP Address The IP address for the current RAID server Port Number The TCP port to be used by all secondary agents Event Polling Period The time interval in seconds for event queries from the Secondary Agent to the RAID controller Figure 3 5 Secondary Agent Settin...

Страница 51: ...an event has occurred the Agent and the Event Log can also be configured by the user In order to use fax or pager notification Modem parameters must also be set For NT servers Widows Messaging and Personal Fax must be installed and running for NPC to work If NPC will not be used skip these steps 3 5 1 Agent After opening the NPC Settings window shown in Figure 3 6 the Agent window will immediately...

Страница 52: ... will appear There are two sub tabs in the FAX configuration window Base Settings and Phone Number List 3 5 2 1 Base Settings To open the Base Settings configuration window select the Base Setting sub tab shown in Figure 3 8 Enable In the center of the FAX settings window there is an enable option To configure the notification device click on the square next to Enable See Figure 3 8 3 5 2 2 Phone ...

Страница 53: ...all levels 2 Warning and Alert 3 only Alert Available phone numbers A list of all phone numbers that the NPC will use to send a message to The numbers and the severity of the messages that will be sent to the number shown are listed 3 5 3 Pager Settings To open the Pager window first open the NPC Settings window shown in Figure 3 6 and then select the Pager sub tab The Pager configuration window s...

Страница 54: ...such as accessing an outside line must be included in the phone number For example 9 2241603 wherein 9 is access for an outside line and indicates a pause Severity is the parameter used to determine what levels of events to be sent via Pager 1 all levels 2 Warning and Alert 3 only Alert Available phone numbers A list of all phone numbers that the NPC will use to send a message to The numbers and t...

Страница 55: ...il The From part of e mail notification messages It must be a valid internet e mail address Enable Enables the email settings select the click on the Enable box in the middle of the Broadcast Settings window Subject Allows users to add a subject to event notification emails 3 5 4 2 Mail Address List To configure the Email Address List select the Email Address List sub tab from Figure 3 12 The conf...

Страница 56: ...to Both the email addresses and the severity of the messages that will be sent to the addresses shown are listed 3 5 5 SNMP Settings To open the SNMP window first open the NPC Settings window shown in Figure 3 6 and then select the SNMP sub tab The SNMP configuration window shown in Figure 3 14 will appear There are two sub tabs in the SNMP configuration window Base Settings and SNMP Traps List 3 ...

Страница 57: ...ne what levels of events to be sent via SNMP 1 all levels 2 Warning and Alert 3 only Alert Host Name A list of listening SNMP agents Important Agent and NPC configuration parameters can be reconfigured later using the installation program Run the installation program and select Configure Only from the Start menu to reconfigure Agent and NPC settings 3 5 6 Broadcast Settings To open the Broadcast S...

Страница 58: ...the Broadcasting List sub tab from Figure 3 16 The configuration options shown in Figure 3 17 will appear Host IP Name The IP address a broadcast message will be sent to Severity The parameter used to determine what levels of events to be sent via Broadcast 1 all levels 2 Warning and Alert 3 only Alert Host Name Shows a list of all the IP addresses that the NPC will use to send a message to Both t...

Страница 59: ... the Controller After the configurations settings have been made for them to take affect the controller must be rebooted If the controller is not rebooted after the configuration settings have been made then the settings may not take effect ...

Страница 60: ...Altos RAIDWatch User Guide 46 ...

Страница 61: ...ing from a disk array 4 3 on page 50 Setting up security 4 4 on page 53 Look and Feel 4 5 on page 55 Using the RAIDView Window 4 6 on page 58 Using the Enclosure Window 4 7 on page 64 Event Window 4 8 on page 66 the Statistics Window 4 9 on page 67 Exiting Altos RAIDWatch Manager 4 10 on page 69 4 1 Starting Altos RAIDWatch 4 1 1 Starting Altos RAIDWatch Agents 4 1 1 1 Under Windows NT 4 or 2000 X...

Страница 62: ...ne type primary Enter to start the Primary Agent secondary Enter to start the Secondary Agent npc Enter to start the Secondary Agent Altos RAIDWatch is now running The next step is to start the GUI part of the software Altos RAIDWatch Manager 4 2 Starting Altos RAIDWatch Manager The GUI management interface Altos RAIDWatch Manager needs to be started by a network or RAID systems manager regardless...

Страница 63: ...Java Applet starts the Altos RAIDWatch Manager main connection window appears on the screen 2 Double click on a RAID host IP you would like to manage then double click on the controller icon then double click on the connection method e g In Band SCSI to connect to the disk array system For more information on how to connect see section 4 3 Connecting and Disconnecting from a Disk Array on page 50 ...

Страница 64: ...me time instead of restarting the Altos RAIDWatch Manager every time you need to switch to another system you just need to disconnect from the current array and then connect to another The following discusses how to connect to a disk array Information on disconnection is provided at the end of this section 4 3 1 Connecting to a RAID System while Working from the Local Primary Agent Host 1 From the...

Страница 65: ...re activated 4 3 2 Connecting to a RAID System from a Distant Host 1 In the screen shown in Figure 4 4 select the IP address of the RAID you would like to monitor or manage from the Connection View list Choose and double click on an IP address Double click the controller icon for that IP address Choose and double click the connection method e g In Band SCSI Figure 4 2 Click the connection Method e...

Страница 66: ...e g In Band SCSI 2 You will be prompted for a password to access the controller Enter the password there is no default password and click OK The connection is successful when the Introduction window appears and the tool bar buttons are activated Figure 4 5 Enter Password ...

Страница 67: ...er for the station password the first time he or she attempts to connect to a controller through a Secondary Agent By default Altos RAIDWatch comes without passwords so when prompted for a password the first time just press Enter After gaining control set a password to provide security to the managed disk arrays 4 4 1 Setting a Password for Altos RAIDWatch Controller Access 1 Display the Configura...

Страница 68: ...ings to something other than the default will increase system security Altos RAIDWatch is shipped with a default TCP port setting for the Primary Agent 58632 It is recommended that users change the default TCP port setting to a less commonly used TCP port assignment TCP ports can be assigned any number between 1 and 65535 but as some of the smaller possible assignments are commonly used for other ...

Страница 69: ... operations These windows follow the standard Windows and Unix OS Look and Feel specifications thus steps for manipulating elements and windows within any Altos RAIDWatch Manager window generally conform to standard procedures The management sessions are best displayed in the 800x600 screen resolution Note Screen captures throughout this document show the Windows look and feel 4 5 2 Navigation Men...

Страница 70: ...Enclosure command button displays the Enclosure window for displaying and configuring custom enclosures This button provides the same function as the Enclosure command under the Open menu The RAID View command button displays the configuration and control window for the controller and drives This button provides the same function as the RAID View command under the Open menu The Event Log command b...

Страница 71: ...he About command under the Help menu brings up a window that provides Altos RAIDWatch version information 4 5 6 Windows Display Area The windows display area is where the system displays Altos RAIDWatch Manager windows You have the option to arrange the displayed windows on this area in various ways depending on your specific needs The View menu provides you with commands to arrange windows For in...

Страница 72: ...ent and monitoring functions available in Altos RAIDWatch The RAID View window includes a Navigation Panel and a Content Panel 4 6 1 Accessing the RAID View Display To open the RAID View display either select the RAID View icon from the navigation toolbar shown in Figure 4 9 or select the RAID View command from the Open Menu Shown in Figure 4 10 When the RAID View display is opened the screen show...

Страница 73: ...w will display icons for the controller Logical View and Physical View The Content Panel displays information about controller settings logical drive settings and physical drives as selected in the Navigation Panel The large Contents panel to the right will display an Introduction with access buttons for Configuration Logical View and Physical View Each of these primary function windows will be de...

Страница 74: ...ations of physical drives which are used to create logical volumes LVs These volumes or their partitions can then be mapped to various host LUNs A sub function of the RAID View window Logical View allows you to create expand and delete existing LDs and LVs It uses unique colors to distinguish between logical drives When a physical drive within a logical drive fails the system notifies you by darke...

Страница 75: ...shown in Figure 4 18 will appear in the Content Panel and the icons shown in Figure 4 19 will appear in the navigation panel Figure 4 16 Select View Button Figure 4 17 Select Logical View Icon Figure 4 18 Logical View Content Panel information ...

Страница 76: ...drive For more information on how to create delete and rebuild logical drives and logical volumes see Chapter 5 Array Management on page 71 4 6 4 Using the Physical View Physical View under the RAID View window is where you can view and modify the configuration of drive and host channels and physical drives To display the Physical View you can either click on the Physical View button see Figure 4 ...

Страница 77: ...w initial content panel are not interactive To select a channel status display or physical drive click on the appropriate icon in the navigation panel Letting the mouse pointer hover over a channel displays a message tag similar to the one shown in Figure 4 25 Figure 4 22 Select the Physical View Icon Figure 4 23 Physical View Content Panel information Figure 4 24 Physical View Navigation Panel ic...

Страница 78: ... navigation panel SES is an interface by which signals from enclosure sensors are passed to the RAID controller It provides a basic status report on enclosure devices and system parameters like power supplies fans and voltage Altos RAIDWatch Manager will display the SES Management devices under Physical View Click on the icon to show status SES is not user configurable via Altos RAIDWatch Manager ...

Страница 79: ... Altos RAIDWatch Manager represents various drive conditions Figure 4 27 Identifying Spare Drives Spare drives appear with their colors darker shaded than normal drives and have a red cross superimposed on them see Figure 4 27 Figure 4 28 Identifying Failed Drives The red cross is larger on Global spares and smaller on Local spares When you remove a drive from the drive bay its corresponding icon ...

Страница 80: ...vent Log can be accessed through either the Event Log command button on the tool bar or under the Open menu If you need to read event logs recorded before Altos RAIDWatch is started consult your Event Monitor Event Log items include critical alerts warnings and notifications regarding the RAID controller drives status logical device status and enclosure elements like power supplies fan and tempera...

Страница 81: ...che Hits or Disk R W 4 9 2 1 Cache Hits If you select Cache Hits a window similar to the one shown in Figure 4 30 will appear Cache hits Average and history provides information about the current operating performance of the RAID controller and disk array Figure 4 30 Cache Hits Performance Statistics window Cache Hits Average is a measure of data read or write cache accesses at the most recent mom...

Страница 82: ...roughput consistency The read write data display scale can be modified using the Adjust button at the bottom center of the Read Write Statistics window Scales from 10MB second to 200MB second are available 4 9 3 Arranging Windows The View menu provides you with a command for rearranging the currently open Altos RAIDWatch Manager windows You can manually manipulate the window frames to display them...

Страница 83: ...iting from Altos RAIDWatch Manager From the File menu select Exit or Click the Close button on the program window 4 10 2 Exiting from Altos RAIDWatch Manager Connected via Web Browser From the File menu select Exit Recommended method or Exit the browser application or Change the browser HTTP address to a URL or IP other than that of a Altos RAIDWatch Primary Agent ...

Страница 84: ...Altos RAIDWatch User Guide 70 ...

Страница 85: ...bility of storage systems This technology is designed to provide reliability i e fault tolerance in disk array systems and to take advantage of the performance gains multiple disks can offer RAID comes with a redundancy feature that ensures fault tolerant uninterrupted disk storage operations In the event of a disk failure disk access will still continue normally with the failure transparent to th...

Страница 86: ...Logical drives These drives are created using physical drives Combining physical drives into logical drives gives you a disk array with a certain RAID level To view logical drives use Logical View under the RAID View window Logical volumes These volumes are created using logical drives Combining logical drives into logical volumes gives you a single logical unit with even larger capacity Logical v...

Страница 87: ...ant Although the RAID system provides uninterrupted disk access even after a disk failure do not leave a failed drive unattended to Without replacement the system will not survive a second physical drive failure on the same logical drive A defective drive must be promptly replaced and data rebuilt Caution When performing hot swapping be sure to remove only the defective drive Removing the wrong dr...

Страница 88: ...Altos RAIDWatch User Guide 74 ...

Страница 89: ...ID 6 6 on page 79 Controller 6 7 on page 79 Communication 6 8 on page 82 6 1 Configuring the Controller Altos RAIDWatch Manager enables you to modify the configuration of the disk array controller from your manager console You can set caching optimization parameters of the system set I O queue limitations set drive optimization parameters set RAID verification options get information about current...

Страница 90: ...bles is available in the controller hardware and firmware documentation 6 3 Caching To be able to configure the data cache select the Caching tab as shown in Figure 6 1 from the Configuration View Window Tabs The data cache can be configured for optimal I O performance using the following variables Caching Policy choose one from Figure 6 2 Cache Write Back Default controller setting Recommended op...

Страница 91: ...e the Host Side select the Host Side tab as shown in Figure 6 4 from the Configuration View Window Tabs Host side SCSI Parameters choose from each range as shown in Figure 6 5 LUNS per Host ID Allows you to control the LUNS assigned to each ID The number of LUNS that can be assigned to an ID are 1 2 4 8 default 16 and 32 Maximum Queued I O Count Allows you to control the maximum size of the I O qu...

Страница 92: ... Delay Time Sec Available selections No Delay 5 10 15 20 75 I O Drive Timeout Sec Available selections Default 7 0 0 5 1 2 4 6 8 10 Drive Check Period Sec Available selections Disabled 0 5 1 2 5 10 30 SAF TE Device Check Period Sec Available selections Disabled 0 05 0 1 0 2 0 5 1 2 5 Drive Fail Swap Check Period Sec Available selections Disabled 5 10 15 30 60 SMART Available selections Disabled De...

Страница 93: ...tions Low Normal Improved High Write Verify On LD Initialization Choose Enabled or Disabled Write Verify On LD Rebuild Choose Enabled or Disabled Write Verify On Normal Drives Access Choose Enabled or Disabled 6 7 Controller To be able to view and configure the Controller parameters select the Controller tab as shown in Figure 6 10 from the Configuration View Window Tabs Figure 6 8 Select the RAID...

Страница 94: ...ware Download Firmware Bootrecord Download NVRAM Upload NVRAM Download BIOS All of the Download functions will prompt for a file source from the current workstation Upload NVRAM will prompt for a file destination at the current workstation System system functions are shown in Figure 6 13 and described below Name A user configurable identifier for the controller Note The name and password fields co...

Страница 95: ... controller to generate a controller unique WWPN WWPN is a Fibre channel port name If redundant controller configuration is preferred and host interface is Fibre channel Each controller in redundant controller configuration MUST be assigned with a unique ID from 1 to FFFFF Redundant Controller Configuration Enabled or Disabled depending on whether or not the current RAID has controller redundancy ...

Страница 96: ... in Figure 6 17 IP Assignment Select any of the following options Static DHCP BOOTP RARP or NONE IP Address Input the IP Address assigned to the subsystem Subnet Mask Enter a Subnet Mask that will be used by the subsystem e g 255 255 0 0 Default Gateway Enter the default value into this field e g 192 168 1 254 RS232 Port To set the RS 232 serial port settings select the RS 232 tab COM Port Select ...

Страница 97: ...ings below please refer to Figure 6 19 PPP Routing Status Select Disable or Enable Terminal Emulation Status Select Disable or Enable Current Baudrate Select the Baudrate from the following range 2400 4800 9600 19200 and 38400 Figure 6 18 COM Port Select Figure 6 19 RS 232 Configuration Options ...

Страница 98: ...Altos RAIDWatch User Guide 84 ...

Страница 99: ...ion Options 7 1 on page 85 User Configurable Channel Parameters 7 2 on page 86 Setting the configuration of a channel 7 3 on page 86 The following describes user configurable channel parameters 7 1 Accessing Channel Configuration Options Channel configuration options are available in the Physical View window which is found in the RAID View environment To be able to access the Physical View either ...

Страница 100: ...e default are 6 for SID and 7 for PID on drive channels The default values for Infortrend s dual redundant configuration are 8 for SID and 9 for PID For more information please refer to the hardware documentation that came with your controller 7 3 Setting the Configuration of a Channel 1 Display Physical View by clicking on the Physical View command button under the RAID View introduction or by se...

Страница 101: ...f the channels Highlight the ID you want to use and click Add next to either the PID Primary ID or SID Secondary ID window see below 4 To change the speed of the bus synchronous transfer clock choose the new value from the options listed in the Def Xfer Clock drop down list box Figure 7 1 ID Pool Menu Figure 7 2 Specifying Channel PID or SID ...

Страница 102: ...User Guide 88 5 Click OK to save the new channel configuration into the non volatile memory NVRAM of the controller You will be prompted for a password in order to complete the changes Figure 7 3 Def Xfer Clock options ...

Страница 103: ... process in which a newly installed drive is introduced to the disk array system You need to scan in a drive when The drive is a new one A drive is considered a new drive if it is not yet displayed in the Physical View display of the RAID View window The drive is a replacement for a failed drive which is installed on a different channel or has a different SCSI ID If you do not scan in the drive on...

Страница 104: ...gical drive all physical drives assigned to the logical drive will be released making them available for creation or expansion of logical drives 8 2 1 Accessing the Create Logical Drive Window LDs are managed in the Logical View contents panel The Logical View is accessed from the RAID View Navigation Panel 1 To manage LDs i e to create expand and delete LDs display the LDs window by clicking on t...

Страница 105: ... physical drives that will be used in the LD See section 8 2 2 2 2 Select the following RAID parameters See section 8 2 2 3 RAID Level Online or Offline Initialization Stripe Size Drive Size Write Policy LD Assignment 3 Click the OK button See section 8 2 2 4 Figure 8 2 Create Logical Drive Management Window ...

Страница 106: ...enu See Figure 8 3 or b If you wish to use all the available drives to create a logical drive click the Add All button that appears beneath the Available menu SeeFigure 8 3 2 After clicking the Add or Add All button the drives that were selected will be removed from the Available menu and appear in the Selected window on the right hand side See Figure 8 4 Note If the Add All button was selected al...

Страница 107: ...ull down shown in select the RAID level you wish to use when creating the LD Initialization Options Using the Execute Init pull down menu shown in Figure 8 7 the user can select whether the LD is initialized online or offline Selecting Stripe Size The stripe size that is used when the LD is created can be selected from the Stripe Size pull down menu shown in Figure 8 8 As can be seen the following...

Страница 108: ...cy menu shown in Figure 8 10 to select either Default Write Through or Write Back LD Assignment Choose Primary Controller or Secondary Controller from the LD Assignment menu shown in Figure 8 11 Note If the redundant controller function has not been enabled or the SID s are not assigned on drive channels the LD Assignment pull down menu will not be available Figure 8 8 Stripe Size Options Figure 8...

Страница 109: ...gure 8 12 will appear If you are certain that you want to create the LD with the settings you have selected click the OK button 3 If you selected the OK button in the Please Confirm window the Create In Progress content window shown in Figure 8 13 will display logical drive creation progress 8 2 3 Expanding a Logical Volume When physical drives are added to the array the additional capacity can be...

Страница 110: ...tition table will appear in the content panel At the top of this window the two tabs Partition and Operation shown in Figure 8 15 will appear Select the Operation tab 3 After selecting the Operation tab an Expand Logical Drive window will appear in the content panel The tabs shown in Figure 8 16 can be seen at the top of the Expand Logical Drive window 4 Once the Expand tab has been selected the E...

Страница 111: ...e online or offline If the user wishes to do an online expansion then the ONLINE menu option should be selected If the user wishes to do an offline expansion then the OFFLINE menu item should be selected from the Execute Init menu 8 2 3 3 Click OK to Initiate LD expansion To initiate the LD expansion follow these steps 1 Once the LD expansion parameters have been selected click the OK button at th...

Страница 112: ... Does It Work Before Dynamic Logical Drive Expansion increasing the capacity of a RAID system using traditional methods meant backing up re creating and then restoring Dynamic Logical Drive Expansion allows users to add new hard disk drives and expand a RAID 0 3 or 5 Logical Drive without powering down the system 8 2 4 2 Two Modes of Dynamic LD Expansion There are two modes of Dynamic Logical Driv...

Страница 113: ...d onto the original and newly added disks Figure 8 21 RAID Expansion Mode 1 In Figure 8 21 new drives are added to increase the capacity of a 4 Gigabyte RAID 5 logical drive The two new drives increase the capacity to 8 Gigabytes Mode 2 Expansion on the other hand requires the same number of higher capacity SCSI hard disk drives for a given logical drive Dynamic Logical Drive Expansion RAID 5 Logi...

Страница 114: ...gical drive using Mode 2 Expansion Drives are copied and replaced one by one onto three higher capacity drives Figure 8 23 RAID Expansion Mode 2 2 3 This results in a new 4 Gigabyte RAID 5 logical drive composed of three physical drives The 4 Gigabytes of increased capacity is in a new partition 4 GB 2 GB 2 GB 2 GB 4 GB 2 GB 2 GB 4 GB ...

Страница 115: ...0 or the last partition will now be larger than before Follow the directions in section 4 12 to map the new partition to a host LUN The new partition must be The logical drive icon will appear to be degraded while the new drives are being added to the logical drive The color will return to normal once the drive add is complete 8 2 5 Adding and Deleting Spare Drive Assignments You can assign spare ...

Страница 116: ...gure 8 25 select the LD that you wish to expand Once this LD has been selected a View and Edit LD Partition table will appear in the content panel At the top of this window the two tabs Partition and Operation shown in Figure 8 26 will appear Select the Operation tab 3 After selecting the Operation tab an Expand Logical Drive window will appear in the content panel The tabs shown in Figure 8 16 on...

Страница 117: ...irmation screen will appear If you are certain you wish to add the spare then click the OK button Note Spare drive assignments can also be made when scanning in new drives under Physical View 8 2 5 3 Deleting a Spare Drive Assignment 1 Access the Spare Drive Management window shown in Figure 8 288 2 To delete a spare drive select the Delete tab shown in the Spare Drive Management window A new scre...

Страница 118: ...her or not there is a spare drive rebuilding is initiated automatically or must be started manually In the presence of a spare drive the system automatically rebuilds onto the spare drive This process is done in the background thus it is transparent to users In the absence of a spare drive rebuilding must be initiated manually Before initiating a manual rebuild you must first replace the failed dr...

Страница 119: ...ppear and show the percentage of rebuild progress until complete 5 Once the logical drive has been rebuilt the logical drive icon will return to its normal color and the Rebuild tab will no longer be available under Operation 8 2 7 Deleting a LD If you want to delete an LD from you RAID subsystem follow the steps outlined below Remember that deleting a LD results in all the data on the LD being de...

Страница 120: ... shown in Figure 8 33 will appear Select the Operation tab 3 After selecting the Operation tab an Expand Logical Drive window will appear in the content panel The tabs shown in Figure 8 34 can be seen at the top of the Expand Logical Drive window From these tabs select delete 4 Once the Delete tab has been selected the Delete Logical Drive window shown in will appear in the content panel Figure 8 ...

Страница 121: ... button If you are not sure click the Cancel button 6 If you select the OK button the LD will be deleted and you will be returned to the LD Management window shown in Figure 8 2 If you clicked on the Cancel button you will be returned to the Delete Logical Drive screen shown in Figure 8 35 Important IMPORTANT Deleting a logical drive irretrievably wipes all data currently stored on the logical dri...

Страница 122: ...gical volume all logical drives assigned to it will be released making them available for new logical volume creation 8 3 1 Accessing the Create Logical Volume Window LVs are managed in the Logical View contents panel The Logical View is accessed from the RAID View Navigation Panel 1 To manage LVs i e to create expand and delete LVs display the LVs window by clicking on the Logical View command bu...

Страница 123: ...LDs that will be used in the LV 2 Select the following RAID parameters Logical Volume Assignment Max LD Capacity Execute Init Write Policy 3 Click the OK button 8 3 2 2 Selecting LDs 1 The Available menu in Figure 8 38shows the LDs that can be used to create LVs Figure 8 38 Create Logical Volume Management Window ...

Страница 124: ...LV and click the Add button beneath the Available menu See Figure 8 39 3 After clicking the Add button the drives that were selected will be removed from the Available menu and appear in the Selected window on the right hand side SeeFigure 8 40 Figure 8 39 Selecting Logical Drives ...

Страница 125: ... LV must be selected LV parameter options that are available are shown in Figure 8 41 and can be accessed at the bottom of the LV Management Window shown in Figure 8 38 LV Assignment Choose Primary Controller or Secondary Controller from the LV Assignment menu shown in Figure 8 42 Figure 8 40 Selected Logical Drives Figure 8 41 LV Parameter Options ...

Страница 126: ...u shown in Figure 8 41 the user can select whether the LV is initialized online or offline Select Write Policy Use the Write Policy menu to select either Default Global Setting Write Through or Write Back 8 3 2 4 Click OK to Create LV Once the logical drives that will be used in the LV have been selected and all the desired LV parameters have been selected 1 Click the OK button at the bottom of th...

Страница 127: ...and Logical Volume Window 1 Select the Logical Volume icon from the Logical View Navigation Panel shown in Figure 8 1 on page 90 As shown in Figure 8 46 all the LVs that have been created will appear below the Logical Volume icon 2 From the list shown in Figure 8 46 select the LV that you wish to expand Once this LV has been selected a View and Edit LV Partition table will appear in the content pa...

Страница 128: ... not larger that the value shown in the Maximum Free Capacity field The LV will be expanded by the amount entered in this field Note You may combine partitions under View and Edit LV Partition Table by expanding the size of earlier partitions as in increase the size of partition 0 so that it is as large as all partitions combined to make one partition Combining partitions destroys existing data on...

Страница 129: ...it LD Partition Table to verify this 8 3 4 Delete a Logical Volume 1 Select the Logical Volume icon from the Logical View Navigation Panel shown in Figure 8 1 As shown in Figure 8 51 all the LVs that have been created will appear below the Logical Volume icon 2 From the list shown in Figure 8 46 select the LV that you wish to delete Once this LV has been selected a View and Edit LV Partition table...

Страница 130: ...ions 8 4 1 Overview Partitions can be created in both logical drives LD and logical volumes LV Depending on your specific needs you can partition an LD or LV into smaller sizes or just leave it at its default size that is one large partition covering the entire LD or LV If you intend to map an entire LD or LV to a single host LUN then partitioning becomes irrelevant If however the LD or LV is to b...

Страница 131: ...rompted for a password enter it and click OK 4 Select partition 0 or the last partition in the list to create a new partition Only the Size MB field is editable and partitions must be contiguous Modify the value of partition 0 or the last partition so that it will be the size you intend All unallocated space will automatically be assigned to the new partition Note Any partition can be modified usi...

Страница 132: ...be deleted reduce the size of Partition 5 to 0MB As can be seen in Figure 858 the overall size of Partition 4 would increase by 50MB from 20MB to 70MB The size of Partition 5 would then change from 50MB to 10MB previous size of Partition 6 and the size of Partition 6 would increase from 10MB to 70MB the previous size of Partition 7 Partition 7 would no longer exist 7 The logical drive is now ready...

Страница 133: ...mpted for a password enter it and click OK 4 Select partition 0 or the last partition in the list to create a new partition Only the Size MB field is editable and partitions must be contiguous Modify the value of partition 0 or the last partition so that it will be the size you intend All unallocated space will automatically be assigned to the new partition Note Any partition can be modified using...

Страница 134: ... that were below it will also be move one place higher in the table For example if Partition 5 in Figure 8 611 needs to be deleted reduce the size of Partition 5 to 0MB As can be seen in Figure 8 62 the overall size of Partition 4 would increase by 20MB from 30MB to 50MB The size of Partition 5 would then change from 20MB to 10MB previous size of Partition 6 and the size of Partition 6 would incre...

Страница 135: ...disk array reconfiguration is needed you can delete unwanted mappings in your system This chapter explains the following LUN Mapping features Accessing the LUN Map Table 9 1 on page 121 LUN Mapping 9 2 on page 123 Extended LUN Mapping 9 3 on page 129 9 1 Accessing the LUN Map Table When you want to either create or delete a LUN Mapping or an extended LUN mapping it is necessary to access the LUN M...

Страница 136: ... Navigation Panel select a host channel ID number as shown in Figure 9 2 3 After selecting the ID the LUN Table for the host channel shown in Figure 9 3 will be displayed in the content panel Figure 9 1 Select the Host Channel Figure 9 2 Selecting the Host Channel ID Number ...

Страница 137: ... been partitioned 2 Follow the steps listed in Section 1 above to access the LUN Map Table shown in Figure 9 3 3 Select the LUN Mapping tab shown at the top of the LUN Map Table A new screen will appear in the content window From this screen first select the Add sub tab and then click on the LUN sub tab See Figure 9 4 Figure 9 3 LUN Map Table ...

Страница 138: ...al drives by clicking on the All icon in the respective window For example in Figure 9 55 if the All LD icon is clicked all available LDs will be shown see Figure 9 6 6 Click on the LD or LV you would like to map All the LD LV partitions should appear If you wish to map the entire LD or LV the LD or LV should not have been partitioned and the only partition that will appear is Partition 0 see Figu...

Страница 139: ...d LUN should now be listed as seen in Figure 9 10 9 2 2 Map a logical drive or volume partition to a host LUN 1 First partition the logical drive or logical volume 2 Follow the steps listed in section 9 2 1 above to access the LUN Map Table shown in Figure 9 3 3 Select the LUN Mapping tab shown at the top of the LUN Map Table A new screen will appear in the content window From this screen first se...

Страница 140: ...l volumes or logical drives by clicking on the All icon in the respective window For example in Figure 9 12 if the All LD icon is clicked all available LDs will be shown see Figure 9 13 6 To display the partitions of the drive you wish to map click on the corresponding icon in the create LUN mapping window SeeFigure 9 14 Each drive and volume can have up to 8 partitions each of which can be mapped...

Страница 141: ...n should appear as shown in Figure 9 16 in the Partition Selected box Click OK and enter the password when prompted 9 To map additional partitions repeat step 7and 8 listed above 10 Once all partitions have been mapped if you choose the LUN Table tab as shown in Figure 9 17 the newly mapped LUNs should appear in the LUN table Figure 9 14 LD partitions Figure 9 15 Selecting LUN ID Figure 9 16 Selec...

Страница 142: ...op of the LUN Table Next as shown in Figure 9 18 select the Delete and the LUN sub tabs 3 To delete a LUN mapping double click on LUN Mapping in the LUN Map table until the ID is displayed in the LUN Selected box which can be seen at the top of the LUN Map table shown in Figure 9 19 Figure 9 17 LUN Table with LUN Mappings Figure 9 18 Delete LUN Tabs Figure 9 19 Select the LUN that is to be deleted...

Страница 143: ... Read only to pre specified LUNs 9 3 1 Preliminaries Before you can use the Extended LUN Mapping feature you must first create the logical drives and logical volumes If you want to use Extended LUN Mapping to map an entire logical drive or logical volume make sure that the logical drive or volume is NOT partitioned If you want to use the Extended LUN Mapping to map a logical drive partition or log...

Страница 144: ...a partition select LD for logical drive partition or LV for logical volume partition Then click on the ALL icon in the respective window Click on the drive or volume you would like to display to map its partitions Each drive and volume can have up to eight partitions Each one can be mapped to a host LUN 4 Once the LD LV or partition that is going to be mapped is selected the following extended LUN...

Страница 145: ...ights the HBA will have If you select Read and Write then the HBA will be able to both read and write information to the selected LD LV or partition If you select Read Only the HBA will only be able to read the contents stored on the selected LD LV or partition It will not be able to store any information 5 Once all the extended LUN mapping parameters have been selected click OK 6 To continue to m...

Страница 146: ... the Host ID that is given in this document Automatically Select the Host ID from the Host ID Pool by clicking on the ID you wish to select The ID s shown in the pool are automatically detected by the controller s embedded firmware 5 Once the new WWNs have been added if you select the LUN Table tab all the newly entered WWNs should be listed 9 3 4 Deleting an Extended LUN Mapping or WWN Name 1 Del...

Страница 147: ...roup name you wish to delete and click on the OK button at the bottom of the box If you selected the WWN Name tab a window with a list of all WWN Names and corresponding Host IDs will appear Select the WWN Name you wish to delete and click on the OK button at the bottom of the box 3 Click OK When prompted for a password enter it and click OK The mapping should no longer be listed in the Extended L...

Страница 148: ...Altos RAIDWatch User Guide 134 ...

Страница 149: ...rs individual drives and other non SCSI elements installed in a fibre channel JBOD enclosure If you have a SES compliant enclosure the firmware on the controller boards will be able to decode and report this information This information can also be accessed using Altos RAIDWatch 10 1 1 Accessing SES Monitoring 1 To access the SES first open the RAIDView navigation panel by selecting either the RAI...

Страница 150: ...gement Device is selected the Managed Unit Status screen shown in Figure 10 2 below will appear in the content panel You will notice at the top of the menu there are two options Monitor and Information Selecting Monitor accesses the Managed Unit Status screen which provides information on the JBOD enclosure hardware components Selecting Information accesses the Management Device Information screen...

Страница 151: ... number The CH and ID are not unique to the SES rather the SES is connected through one of the hard drives in the JBOD enclosure Power Supply 0 1 If the PSUs are functioning normally a message indicating this will be shown If a PSU has failed or been removed error messages will be shown Fan 0 1 The status message shows the operating speed of the fans If a cooling fan has failed or been removed err...

Страница 152: ...cupied 10 1 2 2 Management Device Information The Management Device Information screen shown in Figure 10 3 has four fields the Vender ID the Product ID Hardware Revision and software revision This information is valuable when you need to report a failed or faulty enclosure to the vendor concerned Figure 10 3 Management Device Information 10 2 Defining Enclosures This allows the user to replicate ...

Страница 153: ...er selecting the Enclosure View the screen shown in Figure 10 5 will appear in the content panel 3 Click on the Edit button at the bottom of the content panel screen The Enclosure window has as shown in Figure 10 6 pre configured spaces that resemble controller and drive canisters of your enclosure The enclosure window might have been defined by your system vendor Figure 10 4 Enclosure View Naviga...

Страница 154: ...l The space you selected will be highlighted by different color as shown in Figure 10 7 5 Next click on a drive icon from the navigation panel see Figure 10 8 then click the Add button The drive icon should appear in the previously selected space on the right hand side Figure 10 6 Enclosure View Pre Configuration Figure 10 7 Enclosure View Configuration ...

Страница 155: ...on the Logical button to display the logical relationship among physical drives Physical drives configured in a logical drive group will be displayed in the same color If there are more than one logical drives different colors will be displayed to distinguish members of different logical drives See Figure 10 9 Note Physical View under the RAID View window also provides a real time report on drive ...

Страница 156: ...the Event Log window is not open a red Event Flag button will appear on the button bar The Event Log can be accessed by clicking on this button 10 4 Monitoring Statistics Altos RAIDWatch Manager includes a statistics monitoring feature to report on the overall performance of the disk array system This feature provides a continually updated real time report on the current throughput of the system d...

Страница 157: ...ystem Monitoring 143 The Read Write Statistics window displays the amount of data being read from and written to the disk array system in MB per second Read values appear in blue and Write values in red ...

Страница 158: ...Altos RAIDWatch User Guide 144 ...

Страница 159: ...properly configured this function can notify the administrator of event occurrences in a RAID array instantly This Chapter introduces the following NPC topics Before You Begin 11 1 on page 146 Basic Running Requirements 11 2 on page 146 Redundant NPC Modules 11 3 on page 147 Severity Levels 11 4 on page 1475 Configuring Notification Options 11 5 on page 148 Configuring Pager Notification 11 6 on p...

Страница 160: ...ons at every event Multiple receiver destinations are available in all types but every event notification will be sent to all configured receivers in all types That is over configuring may result in an unintentional storm of event notifications 11 2 Basic Running Requirements NPC is a separate software application from Altos RAIDWatch s primary and secondary agents and from the Altos RAIDWatch Man...

Страница 161: ...d NPC module must then be installed manually on that particular server either a RAID server or not The installation utility does not automatically add these modules to the selected server 11 4 Severity Levels Altos RAIDWatch classifies disk array events into three severity levels The first level includes non critical information events such as initialization of the controller and initiation of the...

Страница 162: ...nfiguring Notification Options The configuration of NPC notification modes has been fully described in Chapter 3 Configuration Options on page 31 Please refer to this chapter to see how to configure the following NPC configuration options Modem Fax Pager Broadcast E Mail SNMP 11 5 1 Configuring Modem Settings NPC needs to be configured with the proper settings for the host s fax modem if fax or pa...

Страница 163: ... consult your operating system manuals for instructions on how to install your fax modem software As a rule the following services should be available on the host computer running NPC Personal Fax Windows Messaging Internet Mail and Telephony Services For fax notification to function on a Unix based system connect a modem and NPC will be able to send fax To enable fax service on NT the following s...

Страница 164: ...ile name necessary for logging on to personal fax messaging service is usually the same as the account name that you use for system logon Fax service requires Windows Messaging to send fax via email You may add more recipient machines later using the Altos RAIDWatch configuration utility as will be discussed in the proceeding discussions Proceed to complete the installation process Diagrammed belo...

Страница 165: ...a fax Profile Name is a collection name required for logon to a Windows Messaging profile FAX E mail Exchange Mail It is usually the same with the account name A profile name validates the available messaging services and service providers during a particular MAPI session Telephone enter the phone number of the event notification receiving fax machine Note that you must enter the entire dialing se...

Страница 166: ...lephone enter the phone number of the event notification receiving pager Note that you must enter the entire dialing sequence no hyphens including line access country and area codes Message the message that will be delivered to the pager Available Modems choose a modem from those listed in the drop box Initializing String is a standard AT command set initialization command string for Unix based sy...

Страница 167: ...her NPC item to configure or click Close to save changes and exit the installation procedure 11 8 Configuring E Mail Notification NPC sends e mail messages to specific people on the network or Internet using the Microsoft Internet Mail service or a third party MAPI compliant e mail service You will need these services to enable the e mail notification function of NPC Since NPC depends largely on s...

Страница 168: ... receive notices choose another NPC item to configure or click Close to save changes and exit the installation procedure 11 9 Configuring SNMP Trap Notification Starting SNMP trap receiving capability can be as simple as keying net start snmp and snmputil trap at the DOS prompt under Windows based systems To enable SNMP receiving capability under Linux you can use the snmptrapd P command SNMP trap...

Страница 169: ...The NPC 155 2 Two levels Warning and Alert 3 Only the most serious events Alert messages ...

Страница 170: ...Altos RAIDWatch User Guide 156 ...

Страница 171: ...ned to run as an all time monitor of the events reported from multiple RAID systems The program can help along with NPC Notification Processing Center described in Chapter 10 a system administrator to quickly respond to system alerts It compensates for Altos RAIDWatch s drawback that previous records of events are lost once the manager is restarted System problems can be easily identified and loca...

Страница 172: ...ting systems compatible with the Java Run time Environment Internet browser access to full program functionality provides worldwide management capability Supports FC to SATA RAID controllers Communicates with the controllers over a LAN the Internet or over Fibre channel Illustrates graphically and clearly the relationship between various disk array elements Supports remote management over the netw...

Страница 173: ...ry Agent server Connection to other Primary agents can be established through the program s menu commands 12 2 1 Basic Running Requirements This program shares Java class with Altos RAIDWatch Manager Both software must be installed for running Event Monitor It must be started manually and re run after a host computer reset Please be sure that your system meets the system requirements listed in Cha...

Страница 174: ...NPC exe must be started manually 12 3 1 2 Under Unix Operating Systems Solaris 7 SPARC or x86 HP UX 11 or Red Hat Linux 6 1 Under Unix systems the Primary Agent and Secondary Agent and NPC which are located on the host must be started manually each time the host computer is reset These components must be started in the following order First the secondary agent must be started Second the primary ag...

Страница 175: ... delay while the Java Applet starts the Event Monitor language support and main connection window appear on the screen 3 When the HTML page is open you will be prompted to enter the IP address of your Primary Agent host 4 Double click on a RAID host IP you would like to manage then double click on the controller icon then double click on the connection method e g In Band SCSI to connect to the dis...

Страница 176: ...NT4 Environment 1 From the Start menu select Programs Acer Event Monitor or Double click the Acer Event Monitor icon either in the group folder or from the desktop if a shortcut was added during the installation process The Event Monitor Welcome prompt window should appear on the screen If there are multiple options for different languages select the language display type 2 Enter the IP address an...

Страница 177: ... by the Primary machine click the Default button 5 Double click on a RAID host IP you would like to manage then double click on the controller icon then double click on the connection method e g In Band SCSI to connect to the disk array system 12 4 Exiting Event Monitor Exiting from Event Monitor terminates the current management session with the disk array system 12 4 1 Exiting from Event Monitor...

Страница 178: ...en two controllers and these two controllers appear to the host as one controller Disconnection is used for breaking the link between the Event Monitor station and the array Normally all the arrays should be selected and all it takes to switch around multiple disk arrays is but a single mouse click instead of restarting the Event Monitor every time you need to switch to another system The followin...

Страница 179: ...ears and the Physical view and logical unit subtrees appear in the Navigation Panel Figure 12 3 Event Monitor Window 12 5 2 Connecting to a RAID System from a Distant Host 1 From the Connect menu select Open Repeat this process to select all the Primary Agent hosts Figure 12 2 Select the IP Address ...

Страница 180: ...essful when the list of events shown in Figure 12 6 appears and the Physical view and Logical unit subtrees appear in the Navigation Panel Figure 12 6 Event Monitor View 12 5 3 Disconnecting from a Disk Array System Select an IP address by single mouse click From the Connect menu select Close This method will disconnect with the host computer represented by its IP address If the host is a Primary ...

Страница 181: ...dures 12 6 2 Basics Figure 12 7 shows a general layout of the Event Monitor When a RAID system is connected the Navigation Panel in the upper left quadrant of the window will display icons for the controller Physical View and Logical Unit View of system components The large Contents panel to the right will display a list of all the recorded events Figure 12 7 Event Monitor Layout The Connect View ...

Страница 182: ...ltos RAIDWatch Manager and configure the selected RAID system The Exit command is used to end the current Event Monitor session 12 6 3 Using the Connection View The Connection View window does not allow you to configure and manage your system This window is intended to provide a real time monitoring of system status The Connection View displays logical and physical elements managed by controllers ...

Страница 183: ... Monitor 169 l 12 6 4 Using the Event List Event List shown in Figure 12 10 displays all the event messages recorded ever since the installation of Primary agent Figure 12 9 Connection View Navigation Panel ...

Страница 184: ...on and the event list will automatically be rearranged A second option for sorting the data is to use the pull down menus shown in Figure 12 11 that can be found beneath the Event List The Event List window has sub functions for sorting and filtering event messages Select from the Category drop down list to display different event types Selections include All Information Warning or Critical Events...

Страница 185: ...ents of the two disk arrays will be listed in an ascending order 12 6 5 Event Severity Levels Like Altos RAIDWatch Event Monitor classifies disk array events into three severity levels The first level includes non critical information events such as initialization of the controller Level 2 severity includes events which require the issuance of a warning message such as drive bad block reassignment...

Страница 186: ...Altos RAIDWatch User Guide 172 ...

Страница 187: ... Connect from the File menu or by pressing the C key on your keyboard Table A 1 Altos RAIDWatch File Menu Commands Command Description Connect C Connects Altos RAIDWatch Manager to a particular disk array system for management This command has the same function as the Connect command button on the toolbar Disconnect D Disconnects from the current disk array system terminating the current managemen...

Страница 188: ...mmand has the same function as the Statistics command button on the toolbar Cache Hits C Displays the Cache Hits statistics window This command has the same function as the Cache Hits button on the toolbar Disk R W D Displays the Disk Read Write statistics window This command has the same function as the Disk R W button on the toolbar Table A 2 Altos RAIDWatch View Menu Commands Command Descriptio...

Страница 189: ... information about the Event Monitor program Table A 6 Command Buttons Command Button Description Connect Connects Altos RAIDWatch Manager to a particular disk array system for management This command has the same function as the Connect command in the File menu Disconnect Disconnects from the current disk array system terminating the current management session with the device but not exiting Alto...

Страница 190: ...same function as the Statistics command in the Open menu Tile This command arranges currently open windows so that they are all visible and occupy an equal part of the Altos RAIDWatch application window It has the same function as the Tile In Window command in the View menu Table A 6 Command Buttons Command Button Description ...

Страница 191: ...page 9 to make sure that all OS specific installation configuration steps have been completed 2 Check Altos RAIDWatch Connections In Band SCSI Solaris only All Solaris operating systems must have an in band SCSI driver installed Agents All RAID host servers must have a Secondary Agent installed and running Check that all RAID hosts have a Secondary Agent Windows NT Systems Open the Control Panel t...

Страница 192: ...guration 4 NPC Troubleshooting Windows NT servers only Fax If NPC has trouble sending fax messages please check to be sure that Microsoft Personal Fax is installed Broadcast If NPC does not broadcast normally please check to be sure that Windows Messaging is installed on BOTH server and client s RedHat rwalld Under some circumstances software component necessary for running NPC under RedHat rpc rw...

Страница 193: ...ineer Code RC 7 Meaning Altos RAIDWatch didn t find the RAID controller What You Can Do Check if the Secondary and Primary are running on their respective servers also check if the RAID controller that Altos RAIDWatch wants to control has failed The Secondary agent on the host might be functioning but the RAID controller it relates to has failed Code RC 9 Meaning The Primary or Secondary agent is ...

Страница 194: ...gs Message Delete Logical Drive failed What can be done The logical drive maybe a member of a LV so it can not be deleted Message Rebuild failed What can be done Use another new drive and try to perform the rebuild again Message Expand logical drive failed What can be done Replace the hard drive and rebuild the logical drive Message Add drives failed Adding drive is a re initialization process A f...

Страница 195: ... Explanation Check the redundant controller configuration See if the PID and SID of drive and host channels are all correct and if the logical drives volumes are correctly assigned All other Altos RAIDWatch Manager error messages should be fairly self explanatory ...

Страница 196: ...Altos RAIDWatch User Guide 182 ...

Страница 197: ...the most commonly used levels while RAID levels 2 and 4 are rarely implemented The following sections describe in detail each of the commonly used RAID levels C 2 Non RAID Storage One common option for expanding disk storage capacity is simply to install multiple disk drives into the system and then combine them end to end This method is called disk spanning In disk spanning the total disk capacit...

Страница 198: ...ance without redundancy It is fast because data can be simultaneously transferred to from multiple disks Furthermore read writes to different drives can be processed concurrently C 4 RAID 1 RAID 1 implements disk mirroring where a copy of the same data is recorded onto two sets of striped drives By keeping two copies of data on separate disks or arrays data is protected against a disk failure If a...

Страница 199: ...ng total effective data access time C 5 RAID 1 0 1 RAID 1 0 1 combines RAID 0 and RAID 1 Mirroring and Disk Striping RAID 0 1 allows multiple drive failure because of the full redundancy of the hard disk drives If more than two hard disk drives are chosen for RAID 1 RAID 0 1 will be performed automatically Important RAID 0 1 will not appear in the list of RAID levels supported by the controller If...

Страница 200: ... multiple drives performance is reduced since the information stored in the parity drive needs to be re calculated and re written every time new data is written to any of the data disks C 7 RAID 5 RAID 5 implements multiple block striping with distributed parity This RAID level offers the same redundancy available in RAID 3 though the parity information this time is distributed across all disks in...

Страница 201: ...RAID Levels 187 Block 1 Block 2 Block 3 Block 6 Block 7 Block 8 Block 1 Parity 3 4 Block 6 Block 7 Block 2 Block 3 Parity 5 6 Block 8 ...

Страница 202: ...Altos RAIDWatch User Guide 188 ...

Страница 203: ...hard disks for data storage JRE Java Runtime Environment the Solaris Java program used to run JAR applications locally or over a network or the internet Logical Drive Typically a group of hard disks logically combined to form a single large storage unit More broadly the assignment of a SCSI or Fibre channel ID to a drive or drives for use in storage management Often abbreviated LD Logical Volume A...

Страница 204: ...ary agent S E S SCSI Enclosure Services is a protocol that is used to manage and sense the state of the power supplies cooling devices temperature sensors individual drives and other non SCSI elements installed in a fibre channel JBOD enclosure S M A R T Self Monitoring Analysis and Reporting Technology an open standard for developing disk drives and software systems that automatically monitor a d...

Страница 205: ...e data is in the cache This sequence improves write performance at the expense of reliability Power failures or system crashes can result in lost data in the cache possibly corrupting the file system Write through Cache The opposite of write back When running in a write through mode the controller will not report a write as complete until it is written to the disk drives This sequence reduces read...

Страница 206: ...Altos RAIDWatch User Guide 192 ...

Страница 207: ...mmunication 26 communication channel 81 configuration panel 32 Connect command 56 173 175 Connect command button 50 53 56 173 controller configuration 2 60 76 85 Controller parameters 79 Controller Time 57 Controller Unique Identifier 81 controllers ix xi 2 4 14 26 64 71 81 158 164 167 168 171 191 Create Extended LUN Mapping 130 Create LD 90 create LD 92 Create LUN Mapping 124 126 create LV 109 cr...

Страница 208: ...ping table 133 f failed drive 3 65 71 72 101 103 104 190 Fault Bus 189 fax notification 8 149 151 FAX settings 38 40 Fibre to Fibre ix 2 filename 25 firmware 22 76 132 135 179 FTP site ix 26 g Global Spare 104 Global spare 65 72 103 190 graphical interface 3 158 Group Name 131 GUI ix 1 48 55 190 h Host ID 131 132 Host IP Name 44 Host LUN 189 host LUN 14 60 72 101 116 118 121 126 130 Host Name 37 4...

Страница 209: ...dem settings 148 multiple management sessions 2 Mute Beeper 81 n Name 80 133 name ii 8 10 23 81 131 132 150 153 Navigation 86 118 Navigation Panel 58 59 62 85 86 89 90 96 102 104 105 108 113 115 116 118 121 122 165 166 167 168 navigation panel 60 61 63 64 140 network broadcast 8 13 Network Hardware 82 notification methods 146 Notification Processing Center 5 26 31 32 145 157 189 NPC x 5 32 33 34 N...

Страница 210: ...180 Size to Expand 114 SNMP 8 12 42 43 software requirements ix xi 7 14 Spare Drive 78 Spare drive 72 103 spare drive x 2 65 72 73 101 102 104 Spare Drive Management 102 103 spare drive management 102 speed 87 137 186 189 190 Statistics and Event Log 55 Statistics command 67 Statistics command button 56 142 174 statistics monitoring 2 142 Statistics window 56 67 68 status bar 57 167 system functio...

Страница 211: ...Index 5 Write Verify On LD Rebuild 79 Write Verify On Normal Drives Access 79 WWN Name 131 132 133 WWN Name tab 133 WWN Name Table 133 ...

Страница 212: ...6 ...

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