Date: Mon, 31 May 2010 03:15:02 +0200 From: Christof Schulze <christof.schulze@gmx.com> To: freebsd-stable@freebsd.org Subject: Re: Make ZFS auto-destroy snapshots when the out of space? Message-ID: <201005310315.03255.christof.schulze@gmx.com> In-Reply-To: <613D3C80-85F6-4A52-8C33-7F5AF18A3A2E@strauser.com> References: <4C017419.9010909@strauser.com> <201005310234.47363.christof.schulze@gmx.com> <613D3C80-85F6-4A52-8C33-7F5AF18A3A2E@strauser.com>
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Am Montag 31 Mai 2010 02:40:00 schrieben Sie: > On May 30, 2010, at 7:34 PM, Christof Schulze wrote: > > still struggling with the attachment remover. So here is the script: > > > > http://paste.pocoo.org/show/220207/ > > That's pretty similar in concept to the scripts I found and am using, > but with the difference that those scripts use "zfs snapshot -r" to > take a recursive, atomic snapshot of all filesystems in the configured > pools. I wrote a separate script to prune all the unwanted filesystems > (/tmp, and so on) regularly: might be useful to have this a second script. During the last few minutes I put in the size-based removal: http://paste.pocoo.org/show/220213/ using -r would require to remove the unwanted snapshots lateron but it might be worth it because of having it atomic. Regards Christof > > #!/bin/sh > > # If there is a global system configuration file, suck it in. > # > if [ -r /etc/defaults/periodic.conf ] > then > . /etc/defaults/periodic.conf > source_periodic_confs > fi > > filesystems=$hourly_zfs_snapshot_prune_filesystems > > case "$hourly_zfs_snapshot_prune_enable" in > [Yy][Ee][Ss]) > if [ -z "$filesystems" ]; then > echo "Hourly snapshot pruning is enabled but not > configured." > exit 2 > fi > for filesystem in $filesystems ; do > zfs list -H -o name -t snapshot | grep -E "^ > $filesystem@(hourly|daily|weekly|monthly)" | xargs -n1 zfs destroy > done > ;; > *) > ;; > esac -- () ascii ribbon campaign - against html e-mail /\ www.asciiribbon.org - against proprietary attachments
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