Aligning VMware VMFS on ZFS

David Newman dnewman at networktest.com
Thu May 6 23:22:11 UTC 2010


On 5/6/10 4:18 PM, Andrew Snow wrote:
> David Newman wrote:
>> - contacted the maintainer of istgt port, who suggests a possible VMFS
>> and GEOM problem such as GEOM not recognizing the VMFS format.
> 
> This is the correct answer.  GEOM simply doesn't understand how VMware
> is formatting the disk.  By default, VMware aligns VMFS partitions
> inside the LUN you give to it, so you don't really have to do anything
> when using it with ZVOLs.

Thanks. So, just so I understand, you're saying there's no alignment
possible with VMFS on ZFS -- just ignore those messages and proceed?

thanks again

dn



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