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118

Chapter 6 Monitoring the xStack Storage

6.13

Viewing Initiator Access Information

When a network entity is selected in the

Logical Resources

tab, you can use the Initiator Access

Info screen to view iSCSI initiator and access information associated with the selected network
entity.

Figure 6-15 Initiator Access Info Screen

Summary of Contents for DSN-2100-10 - xStack Storage Area Network Array Hard...

Page 1: ...xStack Storage TM D Link xStack Storage iSCSI SAN Arrays Managed SAN Solutions DSN 2100 User s Guide Version 2 0...

Page 2: ...change without notice The only warranties for D Link products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed a...

Page 3: ...possible that you will never need to replace it However should you need to replace it consult your service documentation Do not dispose of the battery along with household waste Contact your local was...

Page 4: ...ent Revision Level Revision Date Notes Version 1 0 August 10 2006 Version 2 0 September 17 2007 Version 2 0 replaces Version 1 0 Revisions include product functionality diagnostics out of box experien...

Page 5: ...ating Software supported by this product Typographic Conventions Notes Notes provide information that deserves special attention They are preceded by Cautions Cautions contain information which if not...

Page 6: ...phone Tech Support for customers within the United States D Link Technical Support over the Telephone Please see our support site for current number http support dlink com Monday to Friday 8 00am 5 0...

Page 7: ...Installing the xStack Storage Array in a Rack 30 3 7 Connecting to the xStack Storage DSN 2100 Host Network Connection Ports 30 3 8 Connecting to the xStack Storage Management Port 31 3 9 Connecting t...

Page 8: ...stem Date and Time 95 5 5 3 Changing Email Notification Setup 96 5 6 Managing xStack Storage Array Configurations 97 5 6 1 Saving the xStack Storage Array Configuration 97 5 6 2 Restoring the xStack S...

Page 9: ...ing Out of Box Settings 129 B 2 Recording Volumes 130 B 3 Recording iSCSI Initiators 131 B 4 Recording LAGs 132 B 5 Recording Network Portals 133 B 6 Recording iSCSI Target Nodes 134 B 7 Recording IP...

Page 10: ...x Contents...

Page 11: ...ler is housed in a 19 inch 2U rugged hardware enclosure holding up to 8 internal Serial ATA SATA drives up to 512MB of system memory and up to 4GB of cache buffer memory Host connectors for DSN 2100 a...

Page 12: ...is with 8 hot swappable drive bays Table 1 1 DSN 2000 xStack Storage Array Models Model Description DSN 2100 Maximum number of host network iSCSI connections Four RJ 45 ports Speed 1 Gigabit Ethernet...

Page 13: ...a the management port is encrypted using SSL without requiring configuration by the user Delivers Ethernet economics to storage for lower total cost of ownership and rapid deployment using known and t...

Page 14: ...t is dedicated to the exchange of data between the network servers and the xStack Storage Array The high bandwidth used by the servers exchanging data with the xStack Storage Array can easily consume...

Page 15: ...describe the hardware components on the front of the xStack Storage Array enclosure Figure 2 1 shows the removable front bezel along with the drive bays and major components Figure 2 1 Front View of...

Page 16: ...ower Blue ON Drive is powered and operational Green Blinking Data being transmitted or received from corresponding SATA drive Drive Activity and Fault Red ON Drive has experienced a fault and is offli...

Page 17: ...s and their numbering scheme from 0 through 7 2 1 3 1 Drive and Tray Removal A drive tray assembly can be removed by pressing upwards on the green latch found on the tray and removing it with the hand...

Page 18: ...opulated drive tray assembly can have unforeseen effects including the loss of all data in a volume A drive can be part of a volume that may or may not be redundant Before removing a drive from an ope...

Page 19: ...icated in Step 2 of Figure 2 5 and push until it is seated firmly within the bay As you press you will see the tray handle begin to move inwards as the locking mechanism enters the locking slot When y...

Page 20: ...20 Chapter 2 Identifying Hardware Components Figure 2 6 Press Lever Inwards Until it Locks...

Page 21: ...hat the unit only be operated with the top cover in place When installing the xStack Storage Array please be sure these vents are not blocked A fully loaded array with all drive bays filled can genera...

Page 22: ...Table 2 2 identifies the switches and their function Figure 2 8 Power and Reset Switches Table 2 2 Power and Reset Switches Function Switch Description Power Applies power to the xStack Storage Array...

Page 23: ...faces The back of the xStack Storage DSN 2100 enclosure provide the following external interfaces Four 4 1GbE 1 Gigabit Ethernet RJ 45 host network connections One DB9 RS 232 C diagnostic port One RJ...

Page 24: ...rt OFF Data is being sent or received at 10 Mbps Green Data is being sent or received at 100 Mbps RJ 45 Port Speed Yellow Data is being sent or received at 1 Gbps In addition the management port has t...

Page 25: ...orage User s Guide 25 Figure 2 10 Management Port LED Locations 2 2 3 Rear Vents Figure 2 7 shows air vents that allow the exit of air through the rear of the chassis Please be sure these vents are no...

Page 26: ...26 Chapter 2 Identifying Hardware Components...

Page 27: ...ts on the xStack Storage Array Install the xStack Storage Array in a fairly cool and dry location for the acceptable temperature and humidity ranges Install the xStack Storage Array in a site free fro...

Page 28: ...by touching the metal part of the chassis Connect the clip to an unpainted surface of the chassis frame to safely channel unwanted ESD voltages to ground 3 3 Unpacking the xStack Storage Array After r...

Page 29: ...address and Internet access that will act as the management console See Note 1 One or more available AC outlets not controlled by a wall switch Optional An Ethernet switch and Ethernet cable If you wa...

Page 30: ...dware to the left and right sides of the xStack Storage Array Refer to the documentation for your mounting hardware and rack 3 With the assistance of another person hold the xStack Storage unit in pla...

Page 31: ...nstalled in the PC that will be used to manage and monitor the xStack Storage unit 2 Connect the other end of the cable into the xStack Storage Mgmt Ethernet port Facing the back of the xStack Storage...

Page 32: ...ry pack to provide back up of the buffer cache contents See Figure 3 1 Since write back caching is always enabled on the xStack Storage Array we recommend you have a battery installed at all times The...

Page 33: ...power cord for each of the power supplies two redundant power modules use the following procedure 1 Plug the female end of the power cord into one of the three 3 pronged power connectors on the back...

Page 34: ...Fault Ready LED turns green the xStack Storage unit is ready for use When power is applied to the xStack Storage Array for the first time with a Web browser attached to the unit s management port the...

Page 35: ...ou start the OOBE 1 Connect a PC with an installed Web browser The IP address for the NIC in the management PC must be on the same IP subnet 192 168 1 x as the management port 2 Start a Web browser on...

Page 36: ...itial settings at a later time use the procedures described in Chapter 5 Figure 4 2 Management Port Screen Table 4 1 Initial Management Port Settings Setting Description IP Address Enter the IP addres...

Page 37: ...xt button when finished If you need to change these initial settings at a later time use the procedures described in Chapter 5 Figure 4 3 Administrator Account Screen Table 4 2 Administrator Account S...

Page 38: ...s This screen lets you specify the system date and time and time zone Complete the fields on this screen see Table 4 3 then click the Next button when finished If you need to change these initial sett...

Page 39: ...ld has been exceeded To use this feature the xStack Storage Array management port must be able to communicate with your LAN s Simple Mail Transfer Protocol SMTP server Complete the fields on this scre...

Page 40: ...sent by the xStack Storage Array will be identified as being sent from this user To Enter the email address where notifications are to be sent This can be an individual email address or a distribution...

Page 41: ...n similar to the one in Figure 4 7 appears and the xStack Storage Array restarts using the initial settings you specified If you changed the IP address for the management port the screen alerts you to...

Page 42: ...42 Chapter 4 Starting the xStack Storage Array for the First Time...

Page 43: ...directly to the xStack Storage Array management port see Section 3 8 The topics in this chapter include Section 5 1 Launching the xStack Storage Management Console on page 44 Section 5 2 Understanding...

Page 44: ...ress is 192 168 1 1 If the xStack Storage Array is still in its boot up process and not fully operational then a screen similar to Figure 5 1 appears that monitors the process of the startup When the...

Page 45: ...xStack Storage User s Guide 45 Figure 5 1 xStack Storage Array Startup Screen Figure 5 2 xStack Storage Log in Screen...

Page 46: ...46 Chapter 5 Configuring the xStack Storage Array Figure 5 3 xStack Storage Management Console Main Screen...

Page 47: ...tanding the Main Screen Figure 5 4 shows the areas of the xStack Storage Array s management console main screen Figure 5 4 Parts of the xStack Storage Management Console Main Screen Resources Pane Mai...

Page 48: ...console application Menu bar The menu bar is located below the title bar The menu bar contains the menus you can select to perform a range of storage tasks The xStack Storage management console provi...

Page 49: ...double click the item or click the plus sign next to it When an item is expanded a minus sign replaces the plus sign Clicking the minus sign collapses the item In this Guide you will see references t...

Page 50: ...y by an xStack Storage Array Initializing a drive in the Unusable Collection moves it to the Available Pool where volumes can be rebuilt if necessary Blade A Base Pool Shows drives currently being use...

Page 51: ...ed in one or more tabbed screens in the main display area The tabbed screens resemble index cards If you click the top xStack Storage item in the left pane of either the Physical Resources tab for exa...

Page 52: ...nt console window The footer shows status information when appropriate If you select Blade A Base Pool in the Logical Resources tab for example the words Blade A Base Pool appear in the footer see Fig...

Page 53: ...ing able to add or edit user accounts Let a user add or edit other user accounts without being able to manage storage Limit a user to read only permissions that let the user view management console sc...

Page 54: ...is user account The user must specify this case sensitive password when logging in to the management console For security each typed character appears as an asterisk Confirm password Retype the same c...

Page 55: ...lumes The iSCSI initiator node sees the volume as a contiguous series of numbered blocks called Virtual Logical Block Numbers VLBNs in the same way that it would see the storage space on a single disk...

Page 56: ...dministrator answers questions about the required redundancy size and usage characteristics of the volume The xStack Storage Array then determines the remaining parameters needed to allocate the stora...

Page 57: ...number of members increases slowly When maximum values are reached the xStack Storage Array uses all possible drives in the volume s pool and the Available Pool for a volume Spare count is the only l...

Page 58: ...members Mirrored stripe organization with more stripe members Parity Parity organization with 3 members In combination with the Storage Efficiency Hint this selects Parity organization with more memb...

Page 59: ...he Storage menu click Manual Create Volume The Manual Create Volume Wizard launches and the Select Volume Type to Create screen appears see Figure 5 13 Figure 5 13 Manual Create Volume Wizard Select V...

Page 60: ...support 2 to 15 drives You can select more than one drive in the left box To select contiguous drives click the first drive then hold down the Shift key and click the last drive All drives between th...

Page 61: ...er the size of the volume you are creating MB GB TB etc Do not type a decimal point Use the drop down box to select the volume capacity Configuration Select the desired organization JBOD Stripe etc Ta...

Page 62: ...e New Size slide bar to increase the size of the volume 4 Click OK 5 When the Expand Volume started message appears see Figure 5 16 click OK If the selected volume cannot support the specified size an...

Page 63: ...creen in the Wizard the xStack Storage Array shows the values for the Volume s current organization Except for the Volume s Name which is shown in gray all fields can be changed For example you can ch...

Page 64: ...ccess to the volume and returns an error should any initiator try to write data If the Read Only selection is changed on this screen the change takes effect immediately 5 4 1 4 2 Disabling Sync Cache...

Page 65: ...ing the management console you can scan a parity volume for errors This task reads every block in the volume to ensure that parity is correct If parity errors are found this task corrects the errors 1...

Page 66: ...th which it will communicate 1 Perform one of the following steps in the Logical Resources tab Click Initiator Resources Then on the iSCSI menu click Add Initiator Right click Initiator Resources and...

Page 67: ...IP address 5 4 3 1 Creating LAGs and VLANs By default each physical data port on the xStack Storage Array corresponds to a LAG DSN 2100 The default number of LAGs is eight DSN 3400 The default number...

Page 68: ...imum of 4 Gbps and the switch will balance the load Since a single initiator does not typically generate continuous data this configuration can allow better overall bandwidth utilization Figure 5 20 E...

Page 69: ...his is a read only field Ethernet Encapsulation Select the Ethernet frame type to be used for fetching packets from upper layer protocols and placing header and footer information around the data befo...

Page 70: ...elect one or more ports in the left box and click Add to move them to the right box 8 To remove one or more Ethernet ports select them in the right box and click Remove to move it to the left box 9 Wh...

Page 71: ...click Modify LAG Parameters Right click and click Modify LAG Parameters Either step displays the Modify LAG Parameters screen see Figure 5 23 Figure 5 23 Modify Lag Parameters Dialog Box 3 Complete th...

Page 72: ...l port you want to configure 2 On the Network menu click Configure Physical Port The Add Remove Ethernet Ports for LAG Wizard starts and the Add Delete Ethernet Ports screen appears see Figure 5 24 Fi...

Page 73: ...rk portal must have different IP addresses yet reside on the same subnet 5 4 4 1 Creating Network Portals The following procedure describes how to create network portals When you create a network port...

Page 74: ...dress Screen Settings Setting Description IP Address Enter the IP address for the network portal The IP address must be a unique address that is different than the management port and on the same subn...

Page 75: ...mit access to the volumes on an xStack Storage Array by an initiator The xStack Storage Array supports up to 1024 iSCSI target nodes After you create one or more volumes iSCSI initiators and LAGs you...

Page 76: ...te iSCSI connections check this box to enable the CHAP secret Then in the CHAP Secret field type the password that will be used by the xStack Storage Array to authenticate an initiator This setting is...

Page 77: ...ssion Settings Tab 5 Accept the default settings in the Session Settings see Figure 5 28 and Connection Settings tabs see Figure 5 29 Figure 5 29 Create iSCSI Node Wizard Configure iSCSI Node Paramete...

Page 78: ...l s allowed for this target node and click Add to move the IP address to the right list To select additional IP addresses repeat this step To remove an IP address from the right list click it and clic...

Page 79: ...Next The Volume Access Right screen appears see Figure 5 32 Figure 5 32 Create iSCSI Node Wizard Volume Access Right Screen 11 The left box lists all the volumes you have created Click a volume in thi...

Page 80: ...specify an optional CHAP secret If you did not you can use the following procedure to specify one You can also use this procedure to change the CHAP secret Record the information in Appendix B 1 Clic...

Page 81: ...accept the log in if all of the following conditions are met The initiator s name is in the list of allowed initiators for that target node The initiator connected to the xStack Storage Array using an...

Page 82: ...ormed by the xStack Storage Array However you can change this setting if desired For example you may want to specify a higher default task priority for time critical tasks such as backups By changing...

Page 83: ...cket that the xStack Storage Array handles Using the management console you can view the xStack Storage Array s routing table If a route being used encounters problems you can use the management conso...

Page 84: ...ubnet mask in defining routes the destination cannot be more specific than its corresponding subnet mask In other words there cannot be a bit set to 1 in the destination if the corresponding bit in th...

Page 85: ...al Resources tab 2 Perform one of the following steps On the File menu click Modify System TCP IP Settings Right click and click Modify System TCP IP Settings Either step displays the Modify System TC...

Page 86: ...a volume on a failed drive If a drive fails the xStack Storage Array tries to find a replacement extent for every extent on that failed drive that was part of a redundant volume First a replacement ex...

Page 87: ...irement by performing a reconfigure task on every volume that uses space on the drive This operation is conducted for any type of volume including redundant and non redundant organizations When all sp...

Page 88: ...anage both iSCSI and Fibre Channel devices an iSNS server can be used as a consolidated configuration point for an entire storage network The xStack Storage Array management console supports two iSNS...

Page 89: ...205 5 4 13 2 Registering the xStack Storage Array with an iSNS Server To register the xStack Storage Array with an iSNS server use the following procedure 1 On the File menu click Configure System iSN...

Page 90: ...as the iSNS server IP address though it may be different Heartbeat Subnet Mask Enter the subnet mask from which the iSNS heartbeat originates Typically this subnet mask is the same as the iSNS server...

Page 91: ...t the volume on which the scheduled task will be performed Operation Select the task that is to be performed Perform this Task Select how often the scheduled task is to be performed Table 5 17 Schedul...

Page 92: ...5 44 The icon at the top of the dialog box provides a color coded indication of the xStack Storage Array battery status Figure 5 44 Battery Policy Dialog Box 3 Select the appropriate setting that the...

Page 93: ...he management console you can save the event log as an unformatted text file to a user specified folder 1 Be sure the Physical Resources tab is the active tab and select the Log Messages tab 2 Scroll...

Page 94: ...he xStack Storage Array for the first time If you need to change these settings perform the following procedure 1 Click the xStack Storage icon on the Physical Resources tab 2 Perform one of the follo...

Page 95: ...net mask that will take effect after the xStack Storage Array restarts Configure the NIC in the management PC to use the same subnet Host name after restart The xStack Storage Array is assigned a defa...

Page 96: ...t a date from the popup calendar System Time Use the controls to the right of this field to select the appropriate system time 5 5 3 Changing Email Notification Setup You may have specified email noti...

Page 97: ...IP address of the mail server through which email notifications from the xStack Storage Array will be routed SMTP Port Enter the SMTP port on which the mail server will be listening for email alerts f...

Page 98: ...re the saved configuration 1 On the File menu click Restore xStack Storage Configuration The Restore xStack Storage Configuration dialog box appears see Figure 5 50 Figure 5 50 Restore xStack Storage...

Page 99: ...or No the xStack Storage Array loads the factory default settings and those for the management port if you clicked Yes and displays the message to let you know that restore to factory defaults was suc...

Page 100: ...cally The following steps are the proper procedure for shutting down the xStack Storage Array Failing to use this procedure to shut down the xStack Storage Array will result in battery power degradati...

Page 101: ...xStack Storage User s Guide 101...

Page 102: ...image Firmware Image Info screen 6 5 xStack Storage enclosure Enclosure Information screen 6 1 xStack Storage tasks Tasks Info screen 6 7 IP addresses and port numbers for a selected network entity P...

Page 103: ...messages are yellow Warning messages indicate that something appeared wrong but has been corrected They also provide notification about things that may be expected but are of particular interest Infor...

Page 104: ...s tab you can use the Log Messages screen to view the entries in the event log see Figure 6 2 Figure 6 2 Log Messages Screen The messages are color coded making it easy to differentiate among informat...

Page 105: ...is an example of an alarm message To obtain additional information about a message shown in the Log Messages screen double click the message A Log Message Details box appears with detailed informatio...

Page 106: ...k is recurring and will repeat again in the future Figure 6 3 Tasks Info Screen To obtain additional information about a task shown in the Tasks Info screen double click the task A Task Message Detail...

Page 107: ...the Physical Resources tab you can use the SMI Server Info screen to view Storage Management Initiative SMI server and profile information see Figure 6 4 The SMI Server Information area has an Edit b...

Page 108: ...can use the Firmware Image Info screen to view the currently active firmware image being used by the xStack Storage Array see Figure 6 5 This screen also shows other valid firmware images that have b...

Page 109: ...formation is a pie chart that provides a graphical representation of the amount of used and unused free space in the storage pool Used space is shown in gray and unused space is shown in green Below t...

Page 110: ...Examples of tasks include media scan and drive initialization activities Each row of the Tasks Info screen corresponds to a task The last column Recurring shows whether the task is recurring and will...

Page 111: ...e shows information for a volume named dlink The Volume Information screen shows the following information see Figure 6 8 The volume s durable name and size volume state and cache status volume type s...

Page 112: ...me The information shown for each task is see Figure 6 9 The task name The object volume assigned the task The task operation that is to be performed The progress of the task The status of the task Th...

Page 113: ...iewing Information About Physical Drives When a drive is selected under Blade A Base Pool in the Logical Resources or when a drive is selected on the Physical Resources tab the Drive Information scree...

Page 114: ...and displays it on the management console in tow collections This information consists of SMART data that serves as a summary of the overall status SMART attributes that are defined differently by eac...

Page 115: ...xStack Storage User s Guide 115 Figure 6 12 Viewing SMART Attributes...

Page 116: ...g Target Node Information When a network entity is selected in the Logical Resources tab you can use the Target Node Info screen to view the session and connection parameters associated with the selec...

Page 117: ...e Access Information When a network entity is selected in the Logical Resources tab you can use the Volume Access Info screen to view LUN map information for the volume associated with the selected ne...

Page 118: ...tor Access Information When a network entity is selected in the Logical Resources tab you can use the Initiator Access Info screen to view iSCSI initiator and access information associated with the se...

Page 119: ...n shows the following information LAG MAC port address Requested per port speed Aggregate LAG speed Link status Admin status Ethernet encapsulation VLAN support Auto negotiation MTU Ethernet Port This...

Page 120: ...Viewing Network Portal Information When a network entity is selected in the Logical Resources tab you can use the Portals Info screen to view the IP address and port number associated with the selecte...

Page 121: ...nformation If you select a connection in the Physical Resources tab you can use the Connection Information screen to view the connection parameters and session information for the selected connection...

Page 122: ...SCSI Initiator Information When an iSCSI initiator is selected in the Logical Resources tab you can use the Initiator Information screen to view information associated with the selected iSCSI initiato...

Page 123: ...ap Information When an iSCSI initiator is selected in the Logical Resources tab you can use the LUN Map Information screen to view LUN Map information associated with the selected iSCSI initiator see...

Page 124: ...19 Viewing Ethernet Port Information When an Ethernet port is selected in the Physical Resources tab the main display area shows the physical port information for the selected Ethernet port see Figur...

Page 125: ...seful for testing the network port connection to the network independent of any application in which the original problem may have been detected Pinging lets you determine whether further testing shou...

Page 126: ...management workstation connected to the xStack Storage Array management port To ping from the xStack Storage Array management port use the following procedure 1 Select the Physical Resources tab 2 On...

Page 127: ...rage Array controller board Gateway After Restart 0 0 0 0 Table A 2 Battery Policy Default Setting Parameter Default Value If the battery fails the xStack Storage Array should Ignore the status of the...

Page 128: ...ameter Default Value Number of Spare Counts 0 Table A 7 Modify iSCSI Port Default Setting Parameter Default Value New SCSI Port 3260 Table A 8 Email Notification Support Default Setting Parameter Defa...

Page 129: ...ording Out of Box Settings Use Table B 1 to record the initial settings you specify when you run the OOBE setup wizard Table B 1 Out of Box Settings Parameter Initial Setting Management Port Settings...

Page 130: ...umes Use Table B 2 to record information about the volumes you create Table B 2 Volumes Created Using the xStack Storage Array Volume Name Volume Size Data Redundancy None Parity Mirror Chunk Size Con...

Page 131: ...r s Guide 131 B 3 Recording iSCSI Initiators Use Table B 3 to record information about the iSCSI initiators you create Table B 3 iSCSI Initiators Created Using the xStack Storage Array Initiator Name...

Page 132: ...Recording LAGs Use Table B 4 to record information about the LAGs you create Table B 4 LAGs Created Using the xStack Storage Array LAG Number 1 2 MTU Size Ethernet Encapsulation VLAN Supported Yes or...

Page 133: ...Use Table B 5 to record information about the network portals you create Table B 5 Network Portals Created Using the xStack Storage Array LAG Number 1 2 MTU Size Ethernet Encapsulation VLAN Supported...

Page 134: ...I Target Nodes Use Table B 6 to record information about the iSCSI target nodes you create Table B 6 iSCSI Target Nodes Created Using the xStack Storage Array iSCSI Node Alias Enable CHAP Secret Yes N...

Page 135: ...35 B 7 Recording IP Routing Tables Use Table B 7 to record information about the IP routing tables you create Table B 7 IP Routing Tables Created Using the xStack Storage Array Network Destination Net...

Page 136: ...ecording Scheduled Tasks Use Table B 8 to record information about the scheduled tasks you create Table B 8 Scheduled Tasks Created Using the xStack Storage Array Operation Name Object Operation Task...

Page 137: ...know the login username and password For more information see Section C 2 C 1 Accessing the Serial Port Diagnostic Menu This method requires that you have physical access to the xStack Storage Array...

Page 138: ...tion After the new configuration is downloaded the Startup menu appears again Type 4 and press Enter to continue to start the xStack Storage Array To access the Enclosure Services Test Tool type 3 and...

Page 139: ...management port diagnostic menu in Figure C 3 appears Figure C 3 Management Port Diagnostic Menu 5 From the management port diagnostic menu type the appropriate number for the option you want to perfo...

Page 140: ...1 and press Enter A prompt asks whether you also want to reset the management port IP address see Figure C 4 Figure C 4 Prompt for Resetting the Management Port IP Address 2 To also reset the manageme...

Page 141: ...xStack Storage User s Guide 141 4 To reset to the factory default settings type y Otherwise type n 5 Press Enter The xStack Storage Array restarts...

Page 142: ...enter the number of the desired option see Figure C 6 Figure C 6 Prompt for Rebooting or Shutting Down the xStack Storage Array 2 Perform one of the following steps To reboot the xStack Storage Array...

Page 143: ...dress and press Enter You are prompted for a subnet mask 3 To keep the current subnet mask for the management port press Enter Otherwise enter a new subnet mask and press Enter You are prompted for a...

Page 144: ...r supplies D 1 Installing the Battery Pack The xStack Storage Array accommodates a 4 cell or 6 cell shrink wrapped battery pack Because write back caching is always enabled we recommend you have a bat...

Page 145: ...shown in Figure D 2 until you feel it lock into place Figure D 2 Press the Battery Down Firmly Until it Locks 3 Align the battery plug with connector J35 as shown in Figure D 3 and insert it fully in...

Page 146: ...pter 2 Identifying Hardware Components 4 The connector locked firmly into connector J35 Figure D 4 Battery Plug Locked in Place 5 The installed battery is shown in Figure D 5 Figure D 5 The Installed...

Page 147: ...east 512MB 2 x 256MB modules installed This should work well for most applications However several applications such as video streaming of the product could benefit from increased cache memory Please...

Page 148: ...IMMs that use 4 bit wide DRAMs do not provide DM signals and cannot be used Registered DIMMs must be registered as per the JEDEC specification for registered DIMMs Buffered DIMMs must be buffered as p...

Page 149: ...part of a volume that may or may not be redundant Before removing a drive from an operating xStack Storage Array make sure it is the correct one D 3 1 Drive and Tray Removal A drive tray assembly can...

Page 150: ...to install a hard drive in a drive tray 1 Remove the plastic air dam from the tray by squeezing the two levers together and lifting the piece out of the tray as shown in Figure D 9 Figure D 9 Removin...

Page 151: ...ve in tray as shown in Figure D 11 Figure D 11 Place Hard Drive in Tray 4 Align the mounting holes and insert four mounting screws to hold the drive securely in the drive tray as shown in Figure D 12...

Page 152: ...drive bay as shown in Figure D 13 Push the tray at the point indicated in Step 2 of Figure D 14 and push until it is seated firmly within the bay As you press you will see the tray handle begin to mo...

Page 153: ...xStack Storage User s Guide 153 Figure D 14 Press Here Until You See the Lever Move Inwards Figure D 15 Press Lever Inwards Untill it Locks...

Page 154: ...placeable fans They can be replaced as follows 1 Locate the failed fan They can be identified by their green handle as seen in Figure D 16 Figure D 16 A User Replaceable Fan with Green Handle 2 Lift t...

Page 155: ...e the fan from its socket as seen in Figure D 18 Figure D 18 Remove the Fan 4 Insert the new fan by reversing the previous steps i e Insert fan into socket press firmly downwards until it is seated an...

Page 156: ...1 Locate the failed power supply module Unscrew the bolt holding the locking mechanism in place as shown in Figure D 19 Figure D 19 Unscrew the Bolt Holding the Locking Mechanism 2 Push the locking le...

Page 157: ...Remove the Power Supply Module 4 Insert the new power supply module by reversing the previous steps i e Insert the new power supply module into the bay until it seats against the rear and the lever l...

Page 158: ...158 Appendix D Replacing and Upgrading FRUs...

Page 159: ...he file to a desired location On a piece of paper write the location and folder where you download the firmware file You will need to access this location later in this procedure Temporarily turn off...

Page 160: ...the installation 11 After the firmware is installed a message prompts you to press OK to restart the xStack Storage to have the new firmware take effect 12 Click OK to restart the xStack Storage If a...

Page 161: ...er s Guide 161 Appendix F Hardware Enclosures This appendix shows samples of hardware enclosures for the xStack Storage F 1 Front View Figure F 1 Front View of Enclosure F 2 Back View Figure F 2 Rear...

Page 162: ...162 Appendix F Hardware Enclosures...

Page 163: ...orce The main standards organization for the Internet The IETF is a large open international community of network designers operators vendors and researchers concerned with the evolution of the Intern...

Page 164: ...gical Unit In the xStack Storage a logical unit is a volume MAC Address Media Access Control address A hardware address that uniquely identifies each node of a network Member A group of chunks organiz...

Page 165: ...to improve I O performance on a volume by splitting data among multiple drives Storage pool A collection of drives used as a group for common functions for example the space used by a volume must be...

Page 166: ...166 Appendix G Acronyms and Abbreviations...

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