HP StoreVirtual 4335 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid
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- HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - Page 1
HP StoreVirtual DSM for Microsoft MPIO Deployment Guide HP Part Number: AX696-96254 Published: March 2013 Edition: 3 - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - Page 2
© Copyright 2011, 2013 Hewlett-Packard Development Company, L.P. - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - Page 3
NOTE: Refer to the instructions specific to Multi-Site SAN configurations in the rest of this chapter. You can also refer to the HP StoreVirtual Storage Multi-Site Configuration Guide, available on the HP StoreVirtual Management Software DVD or on the HP StoreVirtual 4000 Storage Manuals page of the - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - Page 4
service. If currently using the DSM for MPIO, then upgrade to the latest version. Recommended uses for the DSM for MPIO: • For maximum possible performance for specified configurations. • With Multi-Site SAN storage of the Microsoft iSCSI Software Initiator Version 2.X Users Guide. 4 Using MPIO - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - Page 5
. You must select the Microsoft 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 StoreVirtual Application Integration Solution Pack DVD to upgrade - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - Page 6
to complete the installation. Perform a silent install for manually. If you are also using the Multi-Site SAN features, you can assign servers to specific sites to avoid high-latency connections between sites. For more information, see the HP StoreVirtual Storage Multi-Site Configuration Guide - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - Page 7
volumes with the default Target Portal setting. Using multiple cluster VIPs when connecting to a Multi-Site SAN Use the Virtual IP address of the HP StoreVirtual Storage cluster when connecting to volumes using MPIO. In a Multi-Site SAN, you must enter the VIPs of all the multi-site clusters on all - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - Page 8
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 used for I/O to the storage balancing policy affects the number of iSCSI connections created to the volume. The number of connections also differs - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - 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 below to - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - Page 10
either 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 - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - 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 volumes with MPIO" (page 6). Trouble bringing disks online If you cannot number -1 or with no device name. Use the following Windows utilities to solve the problem - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - 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 - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - Page 13
://www.hp.com/support Before contacting HP, collect the following information: • Product model names and numbers • Technical support registration number (if applicable) • Product serial numbers • Error messages • Operating system type and revision level • Detailed questions Subscription service HP - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - Page 14
guide from the Manuals page: http://www.hp.com/support/StoreVirtualManuals HP websites For additional information, see the following HP websites: • http://www.hp.com • http://www.hp.com/go/storage • http://www.hp.com/service_locator • http://www.hp.com/support/manuals • http://www.hp.com/support - HP StoreVirtual 4335 | 10.5 HP StoreVirtual Storage DSM for MPIO Deployment Guid - Page 15
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HP StoreVirtual DSM for Microsoft MPIO
Deployment Guide
HP Part Number: AX696-96254
Published: March 2013
Edition: 3