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Date:      Thu, 27 Apr 2006 11:20:05 +0800
From:      Kent Ho <kent@outblaze.com>
To:        freebsd-fs@freebsd.org
Subject:   Re: Do I need to reserve disk space for UFS snapshots?
Message-ID:  <44503865.4040809@outblaze.com>
In-Reply-To: <444FD6CB.2080805@centtech.com>
References:  <444FA4CF.7040507@outblaze.com> <444FD6CB.2080805@centtech.com>

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> FreeBSD snapshots do not work the same way as NetApp snapshots.  First, 
> they must reside on the same filesystem as the snapshotted filesystem. 
> They will initially eat up some space upon creation equal to the space 
> used by the cylinder group summaries and superblocks, but it isn't a 
> whole lot.  You'll need to have however much space is changed weekly for 
> each snapshot, so if 10Gb per week is changed, then you'll need that 
> much space per snapshot file done.

Thanks. FreeBSD cost less in terms of space required to keep snapshots?

> 
> 
> Eric
> 
> 
> 



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