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List:       zfs-discuss
Subject:    Re: [zfs-discuss] Help needed ZFS vs Veritas Comparison
From:       Richard Elling <Richard.Elling () Sun ! COM>
Date:       2007-12-29 15:52:24
Message-ID: 47766D38.2080604 () sun ! com
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Robert Milkowski wrote:
> Hello Richard,
>
> Friday, December 28, 2007, 9:48:53 PM, you wrote:
>
> RE> Sengor wrote:
>   
>>> While on a VCS course on a Symantec site, I was told VxVM is planned
>>> to be open sourced some time in near future. In either case the cost
>>> is a large factor here, VxVM does not come cheap (unless you use VxSF
>>> Basic http://www.symantec.com/business/theme.jsp?themeid=sfbasic which
>>> is free).
>>>       
>
> RE> VxVM has far fewer features than ZFS, you really can't compare them.
> RE> You could compare VxVM to SVM more directly.
>
> I can't agree. VxVM + VxFS  vs.  ZFS is a good comparison.
>   

I was being very specific.  Even if VxVM is open sourced, you should compare
ZFS to VxVM+VxFS, not VxVM only.

> One good feature in VxVM/VxFS is an ability to shrink a "pool" or
> change RAID on-the-fly. Then you can change speed of resilvering or
> even freeze it if you want. Hot spare support is probably still better
> (I haven't looked at latest improvements in ZFS yes). We're not there yet.
>
>   
Correct.  Warts.
 -- richard

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