vSphere Storage - ESXi 5.1 - Documentation - VMware
vSphere Storage - ESXi 5.1 - Documentation - VMware
vSphere Storage - ESXi 5.1 - Documentation - VMware
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<strong>vSphere</strong> <strong>Storage</strong><br />
n When using multiple <strong>ESXi</strong> systems in conjunction with vCenter Server, the performance needed from the<br />
storage subsystem increases correspondingly.<br />
n The number of outstanding I/Os needed by applications running on an <strong>ESXi</strong> system should match the<br />
number of I/Os the HBA and storage array can handle.<br />
Fibre Channel SAN Configuration Checklist<br />
This topic provides a checklist of special setup requirements for different storage arrays and <strong>ESXi</strong> hosts.<br />
Table 9-1. Multipathing Setup Requirements<br />
Component Comments<br />
All storage arrays Write cache must be disabled if not battery backed.<br />
Topology No single failure should cause both HBA and SP failover, especially with active-passive<br />
storage arrays.<br />
IBM Total<strong>Storage</strong> DS 4000<br />
(formerly FastT)<br />
Host type must be LNXCL or <strong>VMware</strong> in later versions.<br />
AVT (Auto Volume Transfer) is disabled in this host mode.<br />
HDS 99xx and 95xxV family HDS 9500V family (Thunder) requires two host modes:<br />
n Host Mode 1: Standard.<br />
n Host Mode 2: Sun Cluster<br />
HDS 99xx family (Lightning) and HDS Tabma (USP) require host mode set to Netware.<br />
EMC Symmetrix Enable the SPC2 and SC3 settings. Contact EMC for the latest settings.<br />
EMC Clariion Set the EMC Clariion failover mode to 1 or 4. Contact EMC for details.<br />
HP MSA Host type must be Linux.<br />
Set the connection type for each HBA port to Linux.<br />
HP EVA For EVA4000/6000/8000 firmware 5.031 and above, set the host type to <strong>VMware</strong>.<br />
Otherwise, set the host mode type to Custom. The value is: 000000202200083E.<br />
HP XP n On XP128/1024/10000/12000, set the host mode to Windows (0x0C).<br />
n On XP24000/20000, set the host mode to 0x01.<br />
NetApp No specific requirements<br />
<strong>ESXi</strong> Configuration n For all LUNs hosting clustered disks on active-passive arrays, use the Most Recently<br />
Used PSP.<br />
n For LUNs on active-active arrays, you can use the Most Recently Used or Fixed PSP.<br />
n With either active-passive or active-active arrays, you can use the Round Robin PSP.<br />
n All FC HBAs must be of the same model.<br />
n Set the following Software Advanced Settings for the host: Disk.UseLunReset to 1.<br />
70 <strong>VMware</strong>, Inc.
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