VMware just released Update 2 for VMware ESX Server 3.5 (Virtual Infrastructure), and it includes some storage fixes of note:
- Support for Volume Shadow Copy Service (VSS) for filesystems Windows Server 2003 and Windows Server 2008 guests. This means VMware services like VCB and SRM can now signal Windows Server to quiesce filesystems before creating a clone or snapshot and is a major addition!
- Windows Server 2003 guests also get application quiescing, where supported.
- You can now extend a live, running VMFS volume as storage is added, just like Windows Vista and 2008 guests could already do with raw device mode (RDM). Note that this only works for flat disks with no persistent snapshots open.
A few items are now officially supported, too:
- Support for Storage VMotion between and among Fibre Channel and iSCSI datastores is here, and in Update 1.
- iSCSI over 10 gigabit Ethernet (10 GbE) is now supported allegedly, though the I/O Compatibility Guide still says “Gigabit only”. Of course, it already worked, but it’s nice to have official support just the same… Bring on the datacenter Ethernet! They’ll support this in Update 1 too.
- And NFS over 10 GbE is supported, too!
And some more hardware support, though I had a hard time reconciling the guides with the release notes…
- They supposedly added support for 8 gigabit Fibre Channel (8 Gb FC) HBAs, but I don’t see it in the I/O Compatibility Guide. The Emulex LP12000/LP12002 are noted as 4 Gb only, the QLogic QLE2560/QLE2562 aren’t listed, the HP 81/82 series isn’t there either. Update: QLogic and Emulex HBAs are supported after all!
- Support for more Serial-Attached SCSI (SAS), including Dell SAS 5/E, LSI 1078, Sun SG‐XPCIESAS‐R‐EXT‐Z, and HP SC08GE is listed in the Stotage Compatibility Guide.
- CIM system health monitoring of some QLogic and Emulex HBAs is new too.
See also:
- Scott Lowe’s (as always) excellent overview
- VM /ETC’s colorful post
- Excellent coverage at Yellow Bricks
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July 30, 2008 at 5:03 pm
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