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Date:      Mon, 20 Apr 2015 10:50:29 +0100
From:      Steven Hartland <killing@multiplay.co.uk>
To:        freebsd-fs@freebsd.org
Subject:   Re: ZFS: exclude one FS from recurive snapshot creation? Or some equivalent to "nodump" for dataset?
Message-ID:  <5534CBE5.1020902@multiplay.co.uk>
In-Reply-To: <710623939.20150420122931@serebryakov.spb.ru>
References:  <710623939.20150420122931@serebryakov.spb.ru>

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Thinking outside the box a little, create the recursive snapshot then 
remove the snapshot for that user?

On 20/04/2015 10:29, Lev Serebryakov wrote:
> Hello Freebsd-fs,
>
>   I have set of ZFS filesystems, one fielsystem per user like this:
>
> zroot/home/group1/user11
> zroot/home/group1/user12
> zroot/home/group1/user13
> zroot/home/group2/user21
> zroot/home/group2/user22
> zroot/home/group3/user31
> ...
>
>   I want to create complete snapshots of "zroot/home" tree regularly (with
> zfSnap), but I have one "user" which holds a huge amount of
> easy-reconstructible data, which I don't wont to store in snapshots.
>
>   Is it possible to exclude one dataset (filesystem) from "zfs snap -r"?
>
>   I don't want to enumerate all but this filesystem in configuration file, as
> it is error-prone and requires editing configs each time user is created or
> removed.
>
> P.S. I start to understand how much I love "nodump" flag on UFS and it usage
> with "dump" command! Absence of such functionality for "zfs send" is really
> pity.
>




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