VMware ESX

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(Added MPIO bit for ESX)
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Note that ESX 4.x currently does not use SPC-3 [[Persistent_Reservations]], but the legacy SPC-2 RESERVE/RELEASE.
Note that ESX 4.x currently does not use SPC-3 [[Persistent_Reservations]], but the legacy SPC-2 RESERVE/RELEASE.
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Note that ESX 4.x currently does not use SPC-3 [[ALUA]] multipath/MPIO, but the legacy SPC-2 MPIO using T10 world wide unique naming.
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 [http://www.vmware.com/pdf/vsphere4/r40/vsp_40_esx_server_config.pdf vsp_40_esx_server_config.pdf]
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 [http://www.vmware.com/pdf/vsphere4/r40/vsp_40_esx_server_config.pdf 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.
Note that Vmware ESX v3.x is currently not supported because it depends upon Task Management Function WARM_RESET.

Revision as of 20:35, 13 October 2009

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.

Note that ESX 4.x currently does not use SPC-3 ALUA multipath/MPIO, but the legacy SPC-2 MPIO using T10 world wide unique naming.

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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