Dell PowerVault 3000i manual

www .dell.com | support.dell.com Dell™ PowerV ault™ Modular Disk 3000i Sy stems Installation Guide[...]

Notes, Notices NOTE: A NOTE indicates important information that helps you make better use of your computer . NOTICE: A NOTICE indicates either potential damage to ha rdware or loss of data and tells you how to avoid the problem. ____________________ Inf ormation in this document is subject to change without notice. © 2008 Dell Inc. All rights res[...]

Contents 3 Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Sy stem Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Management Station Hardware Requirements . . . . . . . . . . . . . . . 7 Introduction to Storage Array s . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2[...]

4 Contents Documentation for Windows Sy stems . . . . . . . . . . . . . . . . . . . . . . 28 Viewing Resource CD Contents . . . . . . . . . . . . . . . . . . . . . . . 28 Installing the Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Documentation for Linux Sy stems . . . . . . . . . . . . . . . . . . . . . . . . 29 Viewing Resourc[...]

Contents 5 Step 5: Configure CHAP Authenticati on on the Storage Array (optional) . . . . 47 Configuring T arget CHAP Authenti cation on the Storage Array . . . . . . 47 Configuring Mutual CHAP Authen tication on the Storage Array . . . . . . 48 Step 6: Configure CHAP Authenticati on on the Host Server (optional) . . . . . 49 If you are using Windo[...]

6 Contents[...]

Introduction 7 Introduction This guide outlines the steps for configuring the Dell™ P owerV ault™ Modular Disk 3000i (MD3000i). The guide also covers installing t he MD Storage Manager software, installing and configuring the Microsoft ® iSCSI and Linux initiators, and accessing documentation from the P owerV ault MD3000i Resource CD. Other in[...]

8 Introduction Introduction to Storage Array s A storage array includes various ha rdwar e components, such as physical disks, R AID controller modules, fans, and power supplies, gathered into enclosur es . An enclosur e containing physical disks accessed through R AID controller module s is called a RAID enclosur e. One or more host servers attach[...]

Hardware Installation 9 Hardware Installation This chapter provides guidelines for planning the ph ysical configuration of your Dell™ P owerV ault™ MD3000i storage array and for connecting one or mo re hosts to the array . F or complete information on hardwar e configuration, see the Dell ™ P owerV ault ™ MD3000i Hardware Owner’s Manual .[...]

10 Hardware Installation Cabling the Enclosure Y ou can connect up to 16 hosts and two expa nsion enclosur es to the storage array . T o plan your configuration, complete the following tasks: 1 Evaluate your data storage needs and administrative requir ements. 2 Determine your hardwar e capabilities and how you plan to or ganize your data. 3 Calcul[...]

Hardware Installation 11 Figure 2-1. One or T wo Direct-Attached Servers (or T wo- Node Cluster), Single-Path Data, Single Controller (Simplex) 1 standalone (one or two) host server 2 two-node cluster 3 Ethernet management port 4 MD3000i RAID Enclosure (single controller) 5 corporate, public or private network 4 5 2 Management traffic 3 1[...]

12 Hardware Installation Figure 2-2. Up to Four Direct-Attached Servers, Single-Path Data, Dual Controllers (Duplex) Dual Path Data Configuration In F igure 2-3, up to two servers ar e dire ctly attached to the MD3000i RAID contr oller module. If the host server has a second Ethernet connection to the array , it can be attached to the iSCSI ports o[...]

Hardware Installation 13 Figure 2-3. One or T wo Direct-Attached Servers (or T wo- Node Cluster), Dual-Path Da ta, Dual Controllers (Duplex) Network-Attached Solutions Y ou can also cable your host servers to the MD3000i RAID controller iSCSI ports t hrough an IP storage area network (SAN) industry-standar d 1GB Ethernet switch. By using an IP SAN [...]

14 Hardware Installation Figure 2-4. Up to 16 SAN-Configured Servers, Single-Path Data, Single Controller (Simplex) 1 up to 16 standalone host servers 2 IP SAN (Gigab it Ethernet switch) 3 Ethernet management port 4 MD3000i RAID Enclosure (single controller) 5 corporate, public or private network 4 2 5 1 3[...]

Hardware Installation 15 Figure 2-5. Up to 16 Dual SAN-Configured Serv ers, Dual-Path Data, Dual Controllers (Duplex) Attaching MD1000 Expansion Enclosures One of the features of the MD3000 i is the ability to add up to two MD1000 e xpansion enclosur es for additional capacity . This expansion incr eases the maximum physical disk pool to 45 3.5&quo[...]

16 Hardware Installation Expanding with Previously Configured MD1000 Enclosures Use this procedure if your MD1000 is now directly attached to and config ur ed on a Dell PERC 5/E system. Data from virtual disks crea ted on a PERC 5 SAS controller cann ot be dir ectly migrated to an MD3000i or to an MD1000 expansion enclosur e connected to an MD3000i[...]

Hardware Installation 17 6 T urn on attached units: a T urn on the MD1000 expansion enclosur e(s). W ait for the enclosure status LED to light blue. b T urn on the MD3000i and wait for the status LED to indicate that the unit is ready : • If the status LEDs light a solid ambe r , the MD3000i is still coming online. • If the status LEDs are blin[...]

18 Hardware Installation 4 T urn on attached units: a T urn on the MD1000 expansion enclosur e(s). W ait for the enclosure status LED to light blue. b T urn on the MD3000i and wait for the status LED to indicate that the unit is ready : • If the status LEDs light a solid ambe r , the MD3000i is still coming online. • If the status LEDs are blin[...]

Software Installation 19 Software Installation The MD3000i Resource CD contains all documentation pert inent to MD3000i hardwar e and MD St o r a g e Manager softwar e. It also includes softwar e an d drivers for both Linux and Microsoft ® W indows ® operating systems. The MD3000i Resource CD contains a readme.txt file covering changes to the sof[...]

20 Software Installation Depending on whether you are using a W indows Server 2003 operating system or a Linux operating system, refer to the following steps for do wnloading and installing the iSCSI initiator . Installing the iSCSI Initiator on a Windows Host Server 1 Refer to the Dell ™ P owerV ault ™ MD3000i Support Matrix on support.dell.co[...]

Software Installation 21 3 Select the iscsi-initiator -utils - iSCSI daemon and utility programs option. 4 Click Close , then Update . NOTE: Depending upon your installation m ethod, the sy stem will ask for the required source to install the package. Installing the iSCSI Initiator on a RHEL 5 Sy stem Y ou can install the iSCSI initiator software o[...]

22 Software Installation Installing the iSCSI Initiator on a SLES 9 Sy stem Y ou can install the iSCSI ini tiator software on SUSE ® Linux Enterprise Servers (SLES) 9 SP3 systems either during or after operating system installation. T o install the iSCSI initiato r during SLES 9 installation: 1 At the Y aST Installation Settings screen, click Chan[...]

Software Installation 23 4 When the open-iscsi and yast2-iscsi-client modules are displayed, select them. 5 Click Accept . Installing MD Storage Software The MD3000i Storage Software pr ovides the host-based storage ag ent, multipath driver , and MD Storage Manager application used to operate and manage the storage array solution. The MD Storage Ma[...]

24 Software Installation 4 Click Next . 5 Accept the terms of the License Agreement, and click Next . The screen shows the default installation path. 6 Click Next to accept the path, or enter a new path and click Next . 7 Select an installation type: • T ypical (F ull installation) — This package installs both the management station and host so[...]

Software Installation 25 If you are r econfiguring a cluster node into a stand alone host, double-click the MD3000i Cluster to Stand Alone.reg file located in the windowsutility directory of the MD3000i Resource CD. This merges the file into the host r egistry . NOTE: These registry files set the host up for the correct failback operation. 15 If y[...]

26 Software Installation 3 At the CD main menu, type 2 and press Enter . The installation wizard appears. 4 Click Next . 5 Accept the terms of the License Agreement and click Next . 6 Select an installation type: • T ypical (F ull installation) — This package install s both the management station and host options. It includes the necessary host[...]

Software Installation 27 Installing a Dedicated Management Station (Windows and Linux) Optionally , you can manage your storage array over the network via a dedicated system attached to the array via the Ethernet management port. If you choose this option, follow these steps to install MD Storage Manager on that dedicated system. 1 (W indows) F rom[...]

28 Software Installation Documentation for Windows Sy stems Viewing Resource CD Contents 1 Insert the CD. If autorun is disabled, navigate to the CD and double-click setup.exe . NOTE: On a server running Windows Server 2008 Core version, navigate to the CD and run the setup.bat utility . Only the MD3000i Readme can be viewed on Windows Server 2008 [...]

Software Installation 29 Documentation for Linux Sy stems Viewing Resource CD Contents 1 Insert the CD. F or some Linux distributions, a screen appears asking if you want to run the CD. Select Ye s if the screen appears. If no scr een appears, e x ecute ./install.sh within the linux folder on the CD. 2 A menu screen appears showing the following it[...]

30 Software Installation Installing the Manuals 1 Insert the CD, if necessary , and from the menu screen, type 5 and press <Enter>. 2 A screen appears showing the defa ult location for installation. P r ess <Enter> to accept the path shown, or enter a different path and pr ess <Enter>. 3 When installation is complete, pre ss any k[...]

Setting Up Y our iSCSI Storage Array 31 Array Setup and iSCSI Configuration T o use the storage array , you must configure iSCSI on both the host server(s) and the storage array . Step-by-step instructions for configuring iSCSI ar e described in this section. However , before proceeding here, you must have alr eady installed the Microsoft iSCSI ini[...]

32 Setting Up Y our iSCSI Storage Array iSCSI Configuration W orksheet The iSCSI Configuration W orksheet (T able 4-2 or T able 4-3) helps you plan your configuration. Recording host server and storage array IP addr esses at a single location wi ll help you configur e your setup faster and more efficiently . Guidelines for Configuring Y our Network[...]

Setting Up Y our iSCSI Storage Array 33 T able 4-2. iSCSI Configuration Worksheet (IPv4 settings) Mutual CHAP Secret T arget CHAP Secret host server MD3000i If you need additional space for more than one host server , use an additional sheet. A iSCSI port 1 iSCSI port 2 iSCSI port 3 iSCSI port 4 Management port Management port B iSCSI controller 0,[...]

34 Setting Up Y our iSCSI Storage Array T able 4-3. iSCSI Configuration Worksheet (IPv6 settings) Mutual CHAP Secret T arget CHAP Secret host server MD3000i A Link Local IP Address Routable IP Address Subnet Prefix Gateway B iSCSI controller 0, In 0 IP Address Routable IP Address 1 Routable IP Address 2 Router IP Address iSCSI controller 0, In 1 IP[...]

Setting Up Y our iSCSI Storage Array 35 Configuring iSCSI on Y our Storage Array The following sections contains st ep-by-step instructions for config uring iSCSI on your storage array . However , befor e beginning, it is important to unders tand where each of these steps occur in r elation to your host server/storage array environment. T able 4-4 [...]

36 Setting Up Y our iSCSI Storage Array Step 1: Discover the Storage Array (Out-of-band management only) Default Management Port Settings By default, the storage array management ports will be set to DHCP configuration. If the controller(s) on your storage array is unable to get IP configuration fr om a DHCP server , it will timeout after ten secon[...]

Setting Up Y our iSCSI Storage Array 37 Set Up the Array 1 When discovery is complete, the name of the first storage array found appears under the Summary tab in MD Storage Manager . 2 The default name for the newl y discovered storage array is Unnamed . If another name appears, click the down arrow next to that name and choose Unnamed in the drop-[...]

38 Setting Up Y our iSCSI Storage Array Set the management port IP addresses on each controller . T o set the management port IP addresses to match your public network configuration. Although DHCP is supported, static IP addressing is r ecommended. In MD Storage Manager , select Initial Setup T asks → Configure Ethernet Management P orts , then s[...]

Setting Up Y our iSCSI Storage Array 39 Step 2: Configure the iSCSI Ports on the Storage Array By default, the iSCSI ports on the storage a rray are set to the following IPv4 settings: Controller 0, Port 0: IP: 192.168.130.101 Subnet Mask: 255.255.255.0 Port: 3260 Controller 0, Port 1: IP: 192.168.131.101 Subnet Mask: 255.255.255.0 Port: 3260 Contr[...]

40 Setting Up Y our iSCSI Storage Array Step 3: Perform T arget Discovery from the iSCSI Initiator This step identifies the iSCSI ports on the storage arra y to the host server . Select the set of steps in one of the following sections (W indows or Linux) that correspo nds to your operating system. If you are using Windows Server 2003 or Windows Se[...]

Setting Up Y our iSCSI Storage Array 41 If you are using Linux Server Configuration of the iSCSI initiator for Red Hat ® Enterprise Linux ® version 4 and SUSE ® Linux Enterprise Server 9 distributions is performed by modifying the /etc/iscsi.conf file, which is installed by default when you install MD Storage Manager . Y ou can edit the file dir[...]

42 Setting Up Y our iSCSI Storage Array FirstBurstLength=262144 MaxBurstLength=16776192 6 Restart the iSCSI daemon by ex ecuting the following command from the console: /etc/init.d/iscsi restart 7 V erify that the server can connect to the stora ge array by ex ecuting this command from a console: iscsi -ls If successful, an iSCSI session has been e[...]

Setting Up Y our iSCSI Storage Array 43 4 Edit the following entries in the /etc/iscsi/iscsid.conf file: a Edit (or verify) that the node.startup = manual line is disabled. b Edit (or verify) that the node.startup = automatic line is enabled. This will enable automatic startup of the service at boot time. c V erify that the following time-out value[...]

44 Setting Up Y our iSCSI Storage Array Step 4: Configure Host Access This step specifies which host servers will access virt ual disks on the storage array . Y ou should perform this step: • before mapping virtual disks to host servers • any time you connect new host servers to the storage array 1 Launch MD Storage Manager . 2 Click on the Con[...]

Setting Up Y our iSCSI Storage Array 45 Understanding CHAP Authentication Before proceeding to either Step 5: Configure CHAP Authenticat ion on the Storage Array (optional) or Step 6: Configure CHAP Authenticat ion on the Host Server (optional), it would be useful to gain an overview of how CHAP authentication works. What is CHAP? Challenge Handsha[...]

46 Setting Up Y our iSCSI Storage Array CHAP Definitions T o summarize the differences between target CHAP an d mutual CHAP authentication, see T able 4-6. How CHAP Is Set Up The next two steps in your iSCSI configuration, Step 5: Configur e CHAP Au thentication on the Storage Array (optional) and Step 6: Configure CHAP Authentica tion on the Host [...]

Setting Up Y our iSCSI Storage Array 47 Step 5: Configure CHAP Authentication on the Storage Array (optional) If you are configuring CHAP authentication of any kind (either tar get-only or tar get and mutual), you must complete this step and Step 6: Configure CHAP Authentica tion on the Host Server (optional) . If you are not configuring any type o[...]

48 Setting Up Y our iSCSI Storage Array Configuring Mutual CHAP Authentication on the Storage Array The initiator secret must be unique fo r each host server that connects to the storage array and must not be the same as the target CHAP secr et. 1 F rom MD Storage Manager , click on the iSCSI tab, then select Enter Mutual Authentication Pe r m i s [...]

Setting Up Y our iSCSI Storage Array 49 Step 6: Configure CHAP Authentication on the Host Server (optional) If you configured CHAP authentication in Step 5: Configur e CHAP Authen tication on the Storage Array (optional) , complete the following steps. If not, skip to Step 7: Connect to the T a rget Storage Array from the Host Server . Select the s[...]

50 Setting Up Y our iSCSI Storage Array 8 Click OK . If discovery session failover is desired, r epeat step 5 and step 6 (in this step) for all iSCSI ports on the storage array . Otherwise, single-ho st port configuration is sufficient. NOTE: If the connection fails, make sure that all IP addresses are enter ed correctly . Mistyped IP addresses are[...]

Setting Up Y our iSCSI Storage Array 51 OutgoingPassword=0123456789abcdef DiscoveryAddress=172.168.10.7 OutgoingUsername=iqn.1987-05.com.cisco:01.742b2d31b3e OutgoingPassword=0123456789abcdef DiscoveryAddress=172.168.10.8 OutgoingUsername=iqn.1987-05.com.cisco:01.742b2d31b3e OutgoingPassword=0123456789abcdef DiscoveryAddress=172.168.10.9 OutgoingUs[...]

52 Setting Up Y our iSCSI Storage Array If you are using RHEL 5 or SLES 10 SP1 1 T o enable CHAP (optional), the followi ng line needs to be enabled in your /etc/iscsi/iscsid.conf file. node.session.auth.au thmethod = CHAP 2 T o set a username and password for CHAP authentication of the initiator by the tar get(s), edit the following lines as shown[...]

Setting Up Y our iSCSI Storage Array 53 discovery.sendtargets.auth .password = password_1 discovery.sendtargets.auth .username = iqn.1984- 05.com.dell:powervault.123456 discovery.sendtargets.auth.p assword_in = test1234567890 If you are using SLES10 SP1 via the GUI 1 Select Desktop → Ya S T → iSCSI Initiator . 2 Click Service Start , then selec[...]

54 Setting Up Y our iSCSI Storage Array Step 7: Connect to the T arget Storage Array from the Host Server If you are using Windows Server 2003 or Windows Server 2008 GUI 1 Click Start → P rograms → Microsoft iSCSI Initiator or Start → All P r ograms → Administrative T ools → iSCSI Initiator . 2 Click the T argets tab. If previous tar get [...]

Setting Up Y our iSCSI Storage Array 55 If you are using Windows Server 2008 Core V ersion 1 Set the iSCSI initiator services to start automatically (if not already set): sc <server_name> c onfig msiscsi start= auto 2 Start the iSCSI service (if necessary): sc start msiscsi 3 Log on to the target: iscsicli PersistentLoginTarget < Target_[...]

56 Setting Up Y our iSCSI Storage Array T o view active sessions to the target, use the following command: iscsicli SessionList T o support storage array controller failover , the host server must be connected to at least one iSCSI port on each controller . Repeat step 3 for each iSC SI port on the storage array that you want to establish as a fail[...]

Setting Up Y our iSCSI Storage Array 57 SESSION STATUS : ESTABLISHED AT Wed May 9 18:20:28 CDT 2007 SESSION ID : ISID 00023d000002 TSIH 4 ******************************************************************************* Viewing the status of your iSCSI connections In MD Storage Manager , clicking the iSCSI tab and then Configure iSCSI Host P orts wil[...]

58 Setting Up Y our iSCSI Storage Array Step 8: (Optional) Set Up In-Band Management Out-of -band management (see Step 1: Discover the Storage Arra y (Out-of-band management only) ) is the recommended method for managing the storage a rray . However , to optionally set up in-band management, use the steps shown below . The default iSCSI host port I[...]

Setting Up Y our iSCSI Storage Array 59 Premium Features If you purchased premium featur es for your storage a rray , you can set them up at this point. Click T ools → V iew/Enable Premium F eatures or V iew and Enable P remium F eatures on the Initial Setup Ta s k s dialog box to r eview the featur es available. Advanced features supported by MD[...]

60 Setting Up Y our iSCSI Storage Array – Needs Upgrade — The storage array is running a level of firmware that is no longer supported by MD Storage Manager . • Support Information Bundle — The Gather Support Information link on the Support tab saves all storage array data, such as profil e and event log information, to a fi le that you can[...]

Uninstalling Software 61 Uninstalling Software The following sections contain in formation on how to uninstall MD Storage Manager software from both host and management station systems. Uninstalling From Windows Use the Change/Remove P rogram featur e to uninstall MD Storage Manager from a Microsoft ® W indows ® operating systems other than W ind[...]

62 Uninstalling Software 3 F rom the Uninstall window , click Next and follow the on-screen instructions. 4 Select Ye s to restart the system, then click Done . Uninstalling From Linux Use the following procedure to uninstall MD Storage Manager from a Linux system. 1 By default, MD Storage Manager is installed in the /opt/dell/mdstoragemanager dire[...]

Network Configuration Guidelines 63 Guidelines for Configuring Y our Network for iSCSI This section gives general guidelines for setting up your network environment and IP addresses for use with the iSCSI ports on your host server and storage array . Y our sp ecific network environment may requir e different or additional steps than show n here, so[...]

64 Network Configuration Guidelines 4 Select Use the following IP address and enter the IP address, subnet mask, and default gateway addresses. If using a DNS server 1 On the Control P anel , select Network connections or Network and Sharing Center . Then click Manage network connections . 2 Right-click the network connection yo u want to configure[...]

Network Configuration Guidelines 65 NOTE: The server IP addresses must be configured for network communicati on to the same IP subnet as the storage array management and iSCSI ports. Configuring TCP/IP on Linux using DHCP (root users only) 1 Edit the /etc/sysconfig/network file as follows: NETWORKING=yes HOSTNAME=mymachine.mycompany.com 2 Edit the [...]

66 Network Configuration Guidelines[...]

Index 67 Index A alerts, 38 C cabling, 9-10 diagrams, 1 1 direct attached, 1 0 enclosure, 1 0 redundancy and nonredundancy , 1 0 single path, 1 0 CHAP , 45 mutual, 4 5 target, 4 5 cluster host setting up, 2 4 cluster node reconfiguring, 2 5 D disk group, 8 documentation, 28 m a n u a l s , 28, 30 E enclosure connections, 9 event monitor , 24-26 exp[...]

68 Index 68 Index R R AID, 8 RDA C MPP driver , 26 readme, 28-29 Recovery Guru, 59 Resource CD, 19, 25, 29-30 S Snapshot Virtual Disk, 9, 59 status, 37, 60 status icons, 37, 59 storage array , 8 Storage Array P rofile, 59 storage configuration and planning, 9 T troubleshooting, 59 U uninstalling W indows, 6 1 V virtual disk, 8-9 Virtual Disk Copy ,[...]