Dell PowerVault MD3000i User's Manual

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www.dell.com | support.dell.com Dell™ PowerVault™ Modular Disk Storage Manager User’s Guide ...

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Notes and Notices NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. _____________...

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Contents 3 Contents 1 About This Guide . . . . . . . . . . . . . . . . . . . 11 User Interface . . . . . . . . . . . . . . . . . . . . . . 11 Summary Tab . . . . . . . . . . . . . . . . . . . . 12 Configure Tab . . . . . . . . . . . . . . . . ....

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4 Contents Setting a Password . . . . . . . . . . . . . . . . . . . 21 Password Guidelines . . . . . . . . . . . . . . . . 22 Resetting a Password . . . . . . . . . . . . . . . . . . 22 Connecting the Serial Cable . . . . . . . . . . . . 22...

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Contents 5 Viewing or Ending an iSCSI Session . . . . . . . . . . 36 Viewing iSCSI Statistics and Setting Baseline Statistics . . . . . . . . . . . . . . . . . . . . . . . . . 37 Edit, Remove, or Rename Host Topology . . . . . . . . 38 4 Even...

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6 Contents 6 Disk Groups and Virtual Disks . . . . . . . . . 53 Creating Disk Groups and Virtual Disks . . . . . . . . 54 Automatic Configuration . . . . . . . . . . . . . . 55 Manual Configuration . . . . . . . . . . . . . . . 55 Hot Spare ...

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Contents 7 7 Premium Feature—Snapshot Virtual Disks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Creating a Snapshot Virtual Disk Using the Simple Path . . . . . . . . . . . . . . . . . . . . . . . 70 About the Simple Path . . ....

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8 Contents Creating a Virtual Disk Copy . . . . . . . . . . . . . . 89 Preparing Host Servers to Create a Virtual Disk Copy . . . . . . . . . . . . . . . . . . . . . . 89 Copying the Virtual Disk . . . . . . . . . . . . . . 90 Storage Array ...

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Contents 9 11 Troubleshooting Problems . . . . . . . . . . 107 Recovery Guru . . . . . . . . . . . . . . . . . . . . . . 107 Storage Array Profile . . . . . . . . . . . . . . . . . . 107 Device Health Conditions . . . . . . . . . . . . . . . . ...

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10 Contents ...

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About This Guide 11 1 About This Guide Dell™ PowerVault™ Modular Disk (MD) Storage Manager software is used to create and manage multiple storage arrays. The software can be used on any host attached to the storage array, as well as on storage ...

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12 About This Guide • Beneath the Array Selector is the Content Area . Several tabs appear in this area to group the tasks you can perform on the selected array. When you click on a tab, the Content Area displays links for the tasks you can per...

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About This Guide 13 •Replace physical disks • Modify the RAID level for a disk group Tools Tab • Rename a storage array • Set or change a password • View or enable premium features • Turn on indicator lights • Change enclosure ID number...

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14 About This Guide • View the storage array profile • Download RAID controller, NVSRAM, and physical disk firmware • Manage RAID controllers • View online help • Perform advanced support tasks Other Information You May Need CAUTION: For ...

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Storage Array 15 2 About Your Storage Array This chapter covers basic information about how to manage storage arrays from MD Storage Manager, including adding and removing arrays from the software, performing initial setup tasks, setting passwords ...

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16 Storage Array NOTICE: Removing or manipulating an access virtual disk can cause a loss of management access. If you remove an access virtual disk mapping from an in-band-managed storage array, MD Storage Manager can no longer access the stora...

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Storage Array 17 Adding Storage Arrays To add a storage array to MD Storage Manager, click New in the Array Selector area. A window is displayed that allows you to choose the automatic or manual process to add a new storage array. NOTE: Verify th...

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18 Storage Array • To add a storage array that uses out-of-band management, specify the host name or IP address of each controller in the storage array. NOTE: It can take several minutes for MD Storage Manager to connect to the specified storag...

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Storage Array 19 To remove a storage array: 1 Click Remove located to the right of the drop-down menu in the Array Selector. 2 Click OK in the Remove dialog box. You can still manage the storage array from other storage management stations w...

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20 Storage Array 6 Configure Host Access — Set up one or more hosts to access the storage array. See "Configuring Host Access" on page 43 for more information. 7 Configure storage array (2 options) a Automatic (Simple) configuration • ...

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Storage Array 21 Storage Array Support Data Aggregated support data can be generated for a storage array to aid in remote troubleshooting and issue analysis. To generate the support data report: 1 Click the Support tab, then click Gather Support...

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22 Storage Array To remove a password: • Enter the current password in the Current password text box. • Leave the New password and Confirm new password text boxes blank. If you forget your password, contact Dell for technical assistance. P...

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Storage Array 23 System Setup for Password Reset Microsoft ® Windows ® Operating Systems 1 Click Start → Programs → Accessories → Communication → HyperTerminal to run HyperTerminal. If HyperTerminal is not installed, click Co...

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24 Storage Array 7 Press <I> to set the speed to 115200. 8 P ress <Q> to set the data , parity , and stopbits to 8-N-1 , then press <Enter>. 9 Press <Enter> to exit the Comm Parameters screen. 10 Select Exit and pre...

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Storage Array 25 NOTE: If you require help with this procedure, contact Dell for technical assistance. For more information on contacting Dell, see the "Getting Help" chapter of the Hardware Owners Manual. Changing Expansion Enclosure I...

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26 Storage Array Sender e-mail settings include the SMTP and e-mail address information MD Storage Manager uses to send e-mail alerts. To configure sender e-mail settings: 1 Click the Tools tab, then click Set Up Email Alerts . 2 Enter the follo...

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Storage Array 27 • Every x hours — Sends an e-mail at the specified interval if an event occurred during that period. You can select this option only if the Information to send option is set to Event + Profile or Event + Support . 4 Cli...

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28 Storage Array Battery Settings A smart battery backup unit (BBU) can perform a learn cycle. The smart BBU module includes the battery, a battery gas gauge, and a battery charger. The learn cycle calibrates the smart battery gas gauge so that it ...

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Storage Array 29 server or management station is unable to communicate with the MD3000 or MD3000i, you must restart the SMagent software manually using the following procedure: 1 Click Start → Settings → Control Panel → Administrative ...

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30 Storage Array After the program completes the startup process, text similar to the following messages is displayed: Storage Manager Agent, Version 09.1x.00.00 Built Wed Aug 15 16:54:46 CDT 2006 Copyright (C) 2006. All rights reserved. checking ...

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Using iSCSI 31 3 Using iSCSI This chapter provides information on using iSCSI in MD Storage Manager. For iSCSI prerequisite requirements and detailed step-by-step instructions on setting up and configuring iSCSI, see the Installation Guide. Using ...

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32 Using iSCSI Changing the iSCSI Target Authentication 1 Click the iSCSI tab, and then click Change Target Authentication . 2 Select None if no authentication is required for any initiator to access the target. NOTE: If you select None, any...

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Using iSCSI 33 must enter the same CHAP secret that is defined in the iSCSI initiator, and you must define a CHAP secret on the target (the storage array) that must be configured in every iSCSI initiator that will connect to the target. For more i...

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34 Using iSCSI Changing the iSCSI Target Identification You cannot change the iSCSI target name, but you can associate an alias with the target for simpler identification. Aliases are useful because the iSCSI target names are not intuitive. You sho...

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Using iSCSI 35 Configuring the MD3000i iSCSI Host Ports Use the configuration dialog for the iSCSI host ports to set up the MD3000i iSCSI host ports to use with storage arrays in a storage area network (SAN). 1 Click the iSCSI tab, and then click ...

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36 Using iSCSI NOTE: Changing any of these settings resets the iSCSI port. I/O is interrupted to any host accessing that port. You can access the I/O automatically after the port restarts and the host logs in again. Viewing or Ending an iSCSI Ses...

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Using iSCSI 37 b In the confirmation window, type yes to confirm that you want to end the iSCSI session, and then click OK . NOTE: If you end a session, any corresponding connections terminate the link between the host and the storage array, a...

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38 Using iSCSI c Confirm that you want to set the baseline statistics in the dialog that appears. The baseline time shows the latest time you set the baseline. The sampling interval is the difference in time from when you set the baseline until y...

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Using iSCSI 39 Add an iSCSI Initiator. 1 Click the Modify tab, and then click Edit Host Topology . 2 Select the host you want to add an iSCSI initiator to and click Add . 3 Type or select an iSCSI initiator name and label for the iSCSI initia...

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40 Using iSCSI ...

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Event Monitor 41 4 Event Monitor An event monitor is provided with MD Storage Manager. When enabled, the event monitor runs continuously in the background and monitors activity on the managed storage arrays. If the event monitor detects any critica...

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42 Event Monitor Disabling the Event Monitor Disable the event monitor if you do not want the system to send alert notifications. If you are running the event monitor on multiple systems, disabling the event monitor on all but one system prevents ...

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About Your Host 43 5 About Your Host This chapter covers basic information about configuring host groups and host access, host topology, and I/O data path protection. A host is a system that accesses a storage array and is mapped to the virtual di...

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44 About Your Host To begin configuring host access, click the Configure tab and then click either Configure Host Access (Automatic) or Configure Host Access (Manual). See the appropriate section for manual configuration, depending on whether you ...

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About Your Host 45 4 Specify the HBA host ports by choosing known host ports or by manually defining host ports. To select a host port that is already recognized by MD Storage Manager, click a host port in the Known HBA host ports list, then clic...

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46 About Your Host To manually define an initiator, click New , enter the iSCSI initiator name and iSCSI initiator label in the Enter new iSCSI initiator dialog box, and then click Add . NOTE: The initiator name entered must match the nam...

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About Your Host 47 Host Groups A host group is a logical entity of two or more hosts that share access to specific virtual disks on the storage array. You create host groups with MD Storage Manager. All hosts in a host group must have the same hos...

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48 About Your Host 4 Select the host group to which you want to move the host. 5 Click OK . The host is moved into the host group. The host retains the virtual disk mappings assigned to it, and inherits the virtual disk mappings assigned to the gr...

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About Your Host 49 The host retains the virtual disk mappings assigned to it, and inherits the virtual disk mappings assigned to the group to which it is moved. The host loses the virtual disk mappings assigned to the group from which it was moved...

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50 About Your Host Host Context Agent The host context agent discovers the host topology. The host context agent starts when the host is started and stops when the host is turned off. The topology discovered by the host context agent can be viewed ...

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About Your Host 51 I/O Data Path Protection You can have multiple host-to-array connections for a host. Make sure to select all of the connections to the array when configuring host access to the storage array. NOTICE: Refer to the Installation G...

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52 About Your Host ...

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Disk Groups and Virtual Disks 53 6 Disk Groups and Virtual Disks Following is a list of terms used throughout this chapter: • Disk Group — A set of physical disks that are logically grouped and assigned a RAID level. Every disk group provides th...

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54 Disk Groups and Virtual Disks Creating Disk Groups and Virtual Disks Disk groups are created in the unconfigured capacity of a storage array, and virtual disks are created in the free capacity of a disk group. The maximum number of physical disk...

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Disk Groups and Virtual Disks 55 performed in the department: Accounts Receivable (AR), Accounts Payable (AP), internal billing, and so forth. In this scenario, the AR and AP virtual disks probably need more capacity than the internal billing virtu...

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56 Disk Groups and Virtual Disks 3 Select Manual on the Create Virtual Disks – Physical Disk Selection Choices page, then click Next . 4 Select the RAID level for the new disk group. 5 To select one physical disk to add to the disk group, cli...

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Disk Groups and Virtual Disks 57 15 To map the new virtual disk to a host now, select Map now and assign a logical unit number (LUN) to the virtual disk in the drop-down box. To map the new virtual disk to a host later, select Map later . 16 Clic...

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58 Disk Groups and Virtual Disks If you plan to create multiple virtual disks, wait until you have created all the virtual disks to register them. Waiting prevents you from having to register virtual disks more than once. Linux NOTE: You need su...

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Disk Groups and Virtual Disks 59 coverage for the storage array. The number and type of hot spare drives is determined based on the number, type, and capacity of physical disks in the storage array. To add hot spare drive protection using automatic...

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60 Disk Groups and Virtual Disks Host-to-Virtual Disk Mapping After you create virtual disks, you must map them to the host(s) connected to the array. When you configure host-to-virtual disk mapping, consider these guidelines: • Each virtual disk...

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Disk Groups and Virtual Disks 61 4 To map the disk to a different host or host group, click Change located to the right of the list. 5 To remove the disk mapping to a host or host group, click Remove located to the right of the list. Changing ...

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62 Disk Groups and Virtual Disks Administrative Tools and select the Disk Management MMC option to format and partition the disk. If the host server is running Windows Server 2008 Core version, partition and format the virtual disk using the Micros...

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Disk Groups and Virtual Disks 63 If you receive a warning that the snapshot repository virtual disk is becoming full, you may expand the snapshot repository virtual disk from MD Storage Manager. See "Snapshot Repository Capacity" on page ...

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64 Disk Groups and Virtual Disks Basic Steps for Exporting a Disk Group On the source storage array: 1 Save the storage array configuration. 2 Stop all I/O, and unmount or disconnect the file systems on the virtual disks in the disk group. 3 Back up...

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Disk Groups and Virtual Disks 65 On the target storage array: 1 Insert the exported physical disks into the available physical disk slots. 2 Review the Import Report for an overview of the disk group that you are importing. 3 Check for non-importabl...

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66 Disk Groups and Virtual Disks • Unfixable error — Data could not be read and parity or redundancy information could not be used to regenerate the data. For example, redundancy information cannot be used to reconstruct the data on a degraded...

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Disk Groups and Virtual Disks 67 Microsoft Services Virtual Disk Service The Microsoft Virtual Disk Service (VDS) is supported on your RAID storage array. Microsoft VDS is a set of application programming interfaces (APIs) that provides a single in...

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68 Disk Groups and Virtual Disks ...

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Snapshot Virtual Disks 69 7 Premium Feature—Snapshot Virtual Disks NOTE: If you ordered this feature, you received a Premium Feature Activation card shipped in the same box as your Dell PowerVault MD storage array. Follow the directions on the...

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70 Snapshot Virtual Disks snapshot repository uses less disk space than a full physical copy, because the only data blocks that are stored in the snapshot repository virtual disk are those that have changed since the time of the snapshot. When you ...

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Snapshot Virtual Disks 71 About the Simple Path Using the simple path, you can specify the following parameters for your snapshot virtual disk: • Snapshot Virtual Disk Name — A user-specified name that helps you associate the snapshot virtual d...

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72 Snapshot Virtual Disks For details on mapping the snapshot virtual disk to the secondary node, refer to the Dell PowerEdge™ Cluster SE600W Systems Installation and Troubleshooting Guide on support.dell.com NOTE: You can create concurrent sna...

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Snapshot Virtual Disks 73 3 Remove the drive letter(s) of the source in Windows or unmount the virtual drive(s) in Linux to help guarantee a stable copy of the drive for the Snapshot. If this is not done, the snapshot operation will report that it ...

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74 Snapshot Virtual Disks 5 On the Create Snapshot Virtual Disks – Select Path screen, select the Simple path. NOTE: A snapshot repository virtual disk requires 8 MB of free space. If the required free space is not available in the disk group...

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Snapshot Virtual Disks 75 Creating a Snapshot Virtual Disk Using the Advanced Path About the Advanced Path Use the advanced path to choose whether to place the snapshot repository virtual disk on free capacity or unconfigured capacity and to change...

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76 Snapshot Virtual Disks • Snapshot Repository Virtual Disk Full Conditions — You can choose whether to fail writes to the source virtual disk or fail the snapshot virtual disk when the snapshot repository virtual disk becomes full. • Host-t...

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Snapshot Virtual Disks 77 Before creating a Snapshot Virtual Disk, note the following: • The following types of virtual disks are not valid source virtual disks: snapshot repository virtual disks, snapshot virtual disks, target virtual disks that...

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78 Snapshot Virtual Disks 4 Follow any additional instructions for your operating system. Failure to follow these additional instructions can create unusable snapshot virtual disks. NOTE: If your operating system requires additional instructions,...

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Snapshot Virtual Disks 79 6 Click Next . 7 Type a name for the snapshot in the Snapshot virtual disk name text box. 8 Type a name for the snapshot repository virtual disk in the Snapshot repository virtual disk name text box. 9 Click Next . 1...

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80 Snapshot Virtual Disks 15 Click Finish to create the snapshot virtual disk and the associated snapshot repository virtual disk. 16 After you have created one or more snapshot virtual disks, mount or reassign a drive letter of the source virtua...

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Snapshot Virtual Disks 81 • Whether you use the software-supplied sequence number that (by default) populates the Snapshot virtual disk name or the Snapshot repository virtual disk name field, the next default name for a snapshot or snapshot...

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82 Snapshot Virtual Disks • Any virtual disk in the disk group is in any state of modification. • The controller that has ownership of this virtual disk is currently adding capacity to another virtual disk. Each controller can add capacity to on...

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Snapshot Virtual Disks 83 To disable a snapshot virtual disk: 1 Click the Modify tab, then click Modify snapshot virtual disks . 2 Click Disable Snapshot Virtual Disks . 3 Highlight the snapshot virtual disk to be disabled and click Disable be...

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84 Snapshot Virtual Disks 4 Remove the drive letter(s) of the source and (if mounted) snapshot virtual disk in Windows or unmount the virtual drive(s) in Linux to help guarantee a stable copy of the drive for the Snapshot. If this is not done, the...

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Virtual Disk Copy 85 8 Premium Feature—Virtual Disk Copy NOTICE: A virtual disk copy overwrites data on the target virtual disk. Before starting a virtual disk copy, ensure that you no longer need the data or back up the data on the target vir...

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86 Virtual Disk Copy Reasons to use virtual disk copy include the following: • Copying data for improved access — As your storage requirements for a virtual disk change, you can use a virtual disk copy to copy data to a virtual disk in a disk g...

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Virtual Disk Copy 87 Virtual Disk Read/Write Permissions After the virtual disk copy is complete, the target virtual disk automatically becomes read-only to the hosts. The target virtual disk rejects read and write requests while the virtual disk c...

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88 Virtual Disk Copy Virtual Disk Copy Restrictions Before you perform any virtual disk copy tasks, understand and adhere to the restrictions listed in this section. The restrictions apply to the source virtual disk, the target virtual disk, and th...

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Virtual Disk Copy 89 Creating a Virtual Disk Copy Use the Create Virtual Disk Copies feature on the Configure tab to create a full copy of a source virtual disk. This operation overwrites any existing data on the target virtual disk. Once the virtu...

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90 Virtual Disk Copy 4 Remove the drive letter(s) of the source and (if mounted) virtual disk in Windows or unmount the virtual drive(s) in Linux to help guarantee a stable copy of the drive for the virtual disk. If this is not done, the copy oper...

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Virtual Disk Copy 91 5 Set the copy priority for the virtual disk copy and click Next . The source virtual disk, the target virtual disk, and the copy priority setting that you selected appear on the Create virtual disk copies—Confirm Copy Sett...

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92 Virtual Disk Copy You can change the copy priority for a virtual disk copy in the following circumstances: • Before the virtual disk copy begins See "Creating a Virtual Disk Copy" on page 89. • While the virtual disk copy is in prog...

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Virtual Disk Copy 93 Preparing Host Servers to Recopy a Virtual Disk NOTICE: Before you create a new copy of a source virtual disk, stop any data access (I/O) activity or suspend data transfer to the source virtual disk (and, if applicable, the ...

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94 Virtual Disk Copy Recopying the Virtual Disk After first preparing the host server(s) as specified in the preceding procedure, complete the following steps to create a new virtual disk copy for an existing copy pair: 1 Click the Modify tab, a...

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Virtual Disk Copy 95 3 You must register the target virtual disk with the operating system before you can use the new virtual disk. Perform the following steps: a Enable write permission on the target virtual disk by either removing the virtual dis...

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96 Virtual Disk Copy ...

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Snapshot Virtual Disks 97 9 Premium Feature—32 Partitions NOTE: This premium feature option only applies to the MD3000i. NOTE: If you ordered this feature, you received a Premium Feature Activation card shipped in the same box as your Dell Pow...

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98 Snapshot Virtual Disks ...

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Firmware Downloads 99 10 Firmware Downloads You can download the following types of firmware images with MD Storage Manager: • RAID controller module firmware that manages the storage array controllers • RAID nonvolatile static random access m...

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100 Firmware Downloads Downloading Both RAID Controller and NVSRAM Firmware NOTE: I/O to the array can continue while you are upgrading RAID controller and NVSRAM firmware. NOTE: Dell recommends that the firmware and NVSRAM be upgraded during a ...