HP StoreVirtual 4000 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide
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- HP StoreVirtual 4000 | 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide - Page 1
HP LeftHand Storage DSM for MPIO Deployment Guide HP Part Number: AX696-96220 Published: November 2012 Edition: 2 - HP StoreVirtual 4000 | 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide - Page 2
© Copyright 2011, 2012 Hewlett-Packard Development Company, L.P. - HP StoreVirtual 4000 | 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide - Page 3
to the instructions specific to Multi-Site SAN configurations in the rest of this chapter. You can also refer to the HP LeftHand Storage Multi-Site Configuration Guide, available on the HP LeftHand Management Software DVD or on the HP P4000 Manuals page of the HP Business Support Center website - HP StoreVirtual 4000 | 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide - Page 4
and Microsoft DSM) and disk timeout errors when the iSCSI initiator detect a failure and reconnects, you may want to change the EnableNOPOut registry setting to 1 as described in the Microsoft iSCSI Initiator Driver Timers section of the Microsoft iSCSI Software Initiator Version 2.X Users Guide - HP StoreVirtual 4000 | 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide - Page 5
MPIO Multipathing Support for iSCSI option when installing the Microsoft iSCSI Initiator. ◦ Install the Version 9.x DSM for MPIO. • If you are running Version 8.0 or 8.1 of the DSM for MPIO, use the HP LeftHand Application Integration Solution Pack DVD to upgrade to Version 9.0. After upgrading - HP StoreVirtual 4000 | 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide - Page 6
sites. For more information, see the HP LeftHand Storage Multi-Site Configuration Guide. Connecting application servers with single or 8. Configure the Advanced Settings as follows: • For Local adaptor, select Microsoft iSCSI initiator. • For Source IP, select the IP address of the storage NIC - HP StoreVirtual 4000 | 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide - Page 7
Configuring advanced settings for multiple NICs 9. Click OK to close the Advanced Settings dialog. 10. Click OK again to finish logging on. 11. If you want to set the MPIO load balancing policy, see "Setting the Microsoft Use the Virtual IP address of the HP LeftHand Storage cluster when connecting - HP StoreVirtual 4000 | 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide - Page 8
load balancing options are supported, Fail Over and Round Robin. For the Microsoft DSM with Windows 2003 Server, only the Fail Over Only option is supported. • Fail Over Only - Also called active/passive MPIO. Two (or more) I/O paths are built between the server and the storage. One path is actively - HP StoreVirtual 4000 | 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide - Page 9
Figure 5 DSM for MPIO with two NICs in the server and Round Robin MPIO load balancing Figure 6 Microsoft DSM with two NICs in the server and Fail Over MPIO load balancing Figure 7 Microsoft DSM with two NICs in the server and Round Robin MPIO load balancing NOTE: Be sure to follow the steps - HP StoreVirtual 4000 | 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide - Page 10
Fail Over Only or Round Robin. 6. Click OK. 7. Click OK. Troubleshooting MPIO Verifying DSM for MPIO operations After logging on to a volume via iSCSI, the DSM for MPIO automatically builds a data path to each storage system in the cluster and one administrative path. You can verify the DSM for MPIO - HP StoreVirtual 4000 | 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide - Page 11
problem with the I/O path is repaired, the DSM for MPIO reconnects an I/O path to the storage system, thus restoring optimized performance and fault tolerance. Verifying Microsoft , see "Using Microsoft DSM" (page 3) and "Connecting volumes with MPIO" (page 6). Trouble bringing disks online - HP StoreVirtual 4000 | 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide - Page 12
Performing a silent uninstall for the Windows 2008 Server Core option IMPORTANT: Uninstalling the DSM for MPIO requires a reboot of the system. 1. Open a command prompt and use the cd command to navigate to setup.exe in the installation media. 2. Type the following command: setup /removeonly /s /f1 - HP StoreVirtual 4000 | 10.0 HP LeftHand Storage DSM for MPIO Deployment Guide - Page 13
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HP LeftHand Storage DSM for MPIO
Deployment Guide
HP Part Number: AX696-96220
Published: November 2012
Edition: 2