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Date:      Thu, 06 May 2010 16:22:09 -0700
From:      David Newman <dnewman@networktest.com>
Cc:        freebsd-fs@freebsd.org
Subject:   Re: Aligning VMware VMFS on ZFS
Message-ID:  <4BE34F21.6040806@networktest.com>
In-Reply-To: <4BE34E52.7050407@modulus.org>
References:  <4BE33E40.6080905@networktest.com> <4BE34E52.7050407@modulus.org>

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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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