This topic provides a checklist of special setup requirements for different storage systems and ESXi hosts.
| Component | Comments |
|---|---|
| All storage systems | Write cache must be disabled if not battery backed. |
| Topology | No single failure should cause HBA and SP failover, especially with active-passive storage arrays. |
| EMC Symmetrix | Enable the SPC2 and SC3 settings. Contact EMC for the latest settings. |
| EMC Clariion | Set the EMC Clariion failover mode to 1 or 4. Contact EMC for details. |
| HP MSA | No specific requirements |
| HP EVA | For EVA3000/5000 firmware 4.001 and later, and EVA4000/6000/8000 firmware 5.031 and later, set the host type to VMware.Otherwise, set the host mode type to
|
| NetApp | If any of your iSCSI initiators are a part of an initiator group (igroup), disable ALUA on the NetApp array. |
| Dell EqualLogic | Make sure ARP Redirect is enabled on independent hardware iSCSI adapters. |
| HP StorageWorks (formerly LeftHand) | Make sure ARP Redirect is enabled on independent hardware iSCSI adapters. |
| ESXi Configuration | Set the following Advanced Settings for the ESXi host: Disk.UseLunReset to 1. A multipathing policy of Most Recently Used must be set for all LUNs hosting clustered disks for active-passive arrays. A multipathing policy of Most Recently Used or Fixed may be set for LUNs on active-active arrays. Allow ARP redirection if the storage system supports transparent failover. |
