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:

#!/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

--
Kirk Strauser




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