wok annotate btrfs-progs/stuff/btrfs-snapshot @ rev 13572
Up jabberd2 (2.2.16)
author | Pascal Bellard <pascal.bellard@slitaz.org> |
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date | Sun Nov 04 18:18:29 2012 +0100 (2012-11-04) |
parents | 09fb684d4984 |
children | 9584476eeb17 |
rev | line source |
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pascal@13508 | 1 #!/bin/sh |
pascal@13508 | 2 |
pascal@13572 | 3 # Keep last 30 daily snapshots with crontab |
pascal@13572 | 4 #0 * * * * /usr/bin/btrfs-snapshot 5 -hourly |
pascal@13572 | 5 #0 0 * * * /usr/bin/btrfs-snapshot 30 -daily |
pascal@13572 | 6 #0 0 1 * * /usr/bin/btrfs-snapshot 12 -monthly |
pascal@13572 | 7 #0 0 1 1 * /usr/bin/btrfs-snapshot 99 -yearly |
pascal@13508 | 8 |
pascal@13508 | 9 btrfs_list() |
pascal@13508 | 10 { |
pascal@13508 | 11 awk '/ btrfs / { if (fs[$1] == "") { fs[$1] = $2; print $2 }}' \ |
pascal@13508 | 12 < /proc/mounts |
pascal@13508 | 13 } |
pascal@13508 | 14 |
pascal@13508 | 15 which btrfs > /dev/null && for root in $(btrfs_list) ; do |
pascal@13572 | 16 dir=${root%/}/.snapshots$2 |
pascal@13508 | 17 [ -d $dir ] || mkdir $dir |
pascal@13508 | 18 cd $dir |
pascal@13508 | 19 i=0 |
pascal@13508 | 20 for s in $(ls -r); do |
pascal@13508 | 21 [ $((i++)) -ge ${1:-10} ] && btrfs subvolume delete $s |
pascal@13508 | 22 done |
pascal@13508 | 23 btrfs subvolume snapshot -r / $(date +%Y%m%d%H%M%S) |
pascal@13508 | 24 done |