VMware ESX

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Vmware ESX v4.x has been tested with LIO-Target v3.x with virtual (IBLOCK, FILEIO) TCM storage objects. Using export of physical (pSCSI) TCM storage objects should work as well given that the underlying SCSI LLD supports SPC-2 RESERVE/RELEASE.

Note that ESX 4.x currently does not use SPC-3 Persistent_Reservations, but the legacy SPC-2 RESERVE/RELEASE.

By default, ESX v4.x uses Thin Provisioning and will call SPC-2 RESERVE/RELEASE as new blocks are written to update it's VMFS metadata. Think Provisioning (where the VMFS metadata is setup during mkfs time) can also be enabled. See the "Thin Provisioning" section on pages 116 through 118 in VMware's "ESX Configuration Guide", ESX 4.0, EN-000106-00, retrieved from vsp_40_esx_server_config.pdf

Note that Vmware ESX v3.x is currently not supported because it depends upon Task Management Function WARM_RESET.

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