HP StoreVirtual 4000 9.5 HP P4000 DSM for MPIO Deployment Guide
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- HP StoreVirtual 4000 | 9.5 HP P4000 DSM for MPIO Deployment Guide - Page 1
HP P4000 DSM for MPIO Deployment Guide HP Part Number: AX696-96111 Published: September 2011 Edition: 1 - HP StoreVirtual 4000 | 9.5 HP P4000 DSM for MPIO Deployment Guide - Page 2
© Copyright 2011, Hewlett-Packard Development Company, L.P. - HP StoreVirtual 4000 | 9.5 HP P4000 DSM for MPIO Deployment Guide - Page 3
HA/DR Solution Pack User Guide, available on the HP P4000 Management Software DVD or on the HP P4000 Manuals page of the HP Business Support Center website. http://www.hp.com/support/manuals In the Storage section, navigate to Disk Storage Systems→P4000 SAN Solutions→HP LeftHand P4000 SAN Solutions - HP StoreVirtual 4000 | 9.5 HP P4000 DSM for MPIO Deployment Guide - Page 4
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. Prerequisites Windows Server 2003 • 32-bit or 64-bit - HP StoreVirtual 4000 | 9.5 HP P4000 DSM for MPIO Deployment Guide - Page 5
◦ Reboot the server. ◦ Download and install the latest version of the MS iSCSI Initiator. You must select the Microsoft MPIO Multipathing Support for iSCSI option when installing the Microsoft iSCSI Initiator. ◦ Install the Version 9.x HP DSM for MPIO. • If you are running Version 8.0 or 8.1 of the - HP StoreVirtual 4000 | 9.5 HP P4000 DSM for MPIO Deployment Guide - Page 6
restore... check box. 7. Click Advanced to open the Advanced Settings window. 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 to connect to the volume. • For Target portal, select the VIP - HP StoreVirtual 4000 | 9.5 HP P4000 DSM for MPIO Deployment Guide - Page 7
Microsoft DSM MPIO load balancing policy" (page 8). 12. If you have multiple NICs, repeat steps 3 through 11 for the additional storage Multi-Site SAN Use the Virtual IP address of the HP P4000 SAN Solution cluster when Multi-Site SAN configuration is shown. In this configuration, the cluster has - HP StoreVirtual 4000 | 9.5 HP P4000 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 | 9.5 HP P4000 DSM for MPIO Deployment Guide - Page 9
Figure 5 HP 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 | 9.5 HP P4000 DSM for MPIO Deployment Guide - Page 10
Robin. 6. Click OK. 7. Click OK. Troubleshooting MPIO Verifying HP DSM for MPIO operations After logging on to a volume via iSCSI, the HP DSM for MPIO automatically builds a data path to each storage system in the cluster and one administrative path. You can verify the HP DSM for MPIO operations by - HP StoreVirtual 4000 | 9.5 HP P4000 DSM for MPIO Deployment Guide - Page 11
problem with the I/O path is repaired, the HP 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 | 9.5 HP P4000 DSM for MPIO Deployment Guide - Page 12
Performing a silent uninstall for the Windows 2008 Server Core option IMPORTANT: Uninstalling the HP DSM for MPIO requires a reboot of the system. 1. Open a command prompt and use the cd . 4. When the server is back up, check \Windows\dsminstall.log for errors. 12 Uninstalling the HP DSM for MPIO
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HP P4000 DSM for MPIO Deployment Guide
HP Part Number: AX696-96111
Published: September 2011
Edition: 1