1. バックアップ用領域の作成
% sudo zpool create -f backup c4t1d0s0
% zpool list
NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT
backup 15.9G 126K 15.9G 0% 1.00x ONLINE -
rpool 15.9G 5.22G 10.7G 32% 1.00x ONLINE -
2. ルートプールのプロパティを確認(ファイルに保存した方が良いかも)
% zpool get all rpool
NAME PROPERTY VALUE SOURCE
rpool size 15.9G -
rpool capacity 32% -
rpool altroot - default
rpool health ONLINE -
rpool guid 7318362038220972324 -
rpool version 33 default
rpool bootfs rpool/ROOT/solaris-1 local
rpool delegation on default
rpool autoreplace off default
rpool cachefile - default
rpool failmode wait default
rpool listsnapshots off default
rpool autoexpand off default
rpool dedupditto 0 default
rpool dedupratio 1.00x -
rpool free 10.7G -
rpool allocated 5.22G -
rpool readonly off -
3. ルートプールの容量確認
% zpool list rpool
NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT
rpool 15.9G 5.22G 10.7G 32% 1.00x ONLINE -
4. ルートプールのコンポーネントを特定(ファイルに保存した方が良いかも)
% zfs list -r rpool
NAME USED AVAIL REFER MOUNTPOINT
rpool 5.29G 10.3G 46.5K /rpool
rpool/ROOT 2.97G 10.3G 31K legacy
rpool/ROOT/solaris 5.58M 10.3G 1.61G /
rpool/ROOT/solaris-1 2.96G 10.3G 1.62G /
rpool/ROOT/solaris-1/var 571M 10.3G 364M /var
rpool/ROOT/solaris/var 2.86M 10.3G 203M /var
rpool/dump 1.29G 10.4G 1.25G -
rpool/export 140K 10.3G 32K /export
rpool/export/home 108K 10.3G 32K /export/home
rpool/export/home/koji 76.5K 10.3G 76.5K /export/home/koji
rpool/swap 1.03G 10.4G 1.00G -
5. ルートプールの再起的なスナップショットを作成
% NOW=`date +%Y%m%d_%H%M%S`
% sudo zfs snapshot -r rpool@rpool.${NOW}
% zfs list -t snapshot
NAME USED AVAIL REFER MOUNTPOINT
rpool@rpool.20121216_115705 0 - 46.5K -
rpool/ROOT@rpool.20121216_115705 0 - 31K -
rpool/ROOT/solaris@rpool.20121216_115705 0 - 1.61G -
rpool/ROOT/solaris-1@install 9.14M - 1.40G -
rpool/ROOT/solaris-1@2012-12-07-02:16:10 179M - 1.61G -
rpool/ROOT/solaris-1@rpool.20121216_115705 0 - 1.62G -
rpool/ROOT/solaris-1/var@install 146M - 215M -
rpool/ROOT/solaris-1/var@2012-12-07-02:16:10 18.1M - 383M -
rpool/ROOT/solaris-1/var@rpool.20121216_115705 0 - 364M -
rpool/ROOT/solaris/var@rpool.20121216_115705 0 - 203M -
rpool/dump@rpool.20121216_115705 0 - 1.25G -
rpool/export@rpool.20121216_115705 0 - 32K -
rpool/export/home@rpool.20121216_115705 0 - 32K -
rpool/export/home/koji@rpool.20121216_115705 0 - 76.5K -
rpool/swap@rpool.20121216_115705 0 - 1.00G -
6. swap及び、dumpのスナップショットを削除
% sudo zfs destroy rpool/dump@rpool.${NOW}
% sudo zfs destroy rpool/swap@rpool.${NOW}
% zfs list -t snapshot
NAME USED AVAIL REFER MOUNTPOINT
rpool@rpool.20121216_115705 0 - 46.5K -
rpool/ROOT@rpool.20121216_115705 0 - 31K -
rpool/ROOT/solaris@rpool.20121216_115705 0 - 1.61G -
rpool/ROOT/solaris-1@install 9.14M - 1.40G -
rpool/ROOT/solaris-1@2012-12-07-02:16:10 179M - 1.61G -
rpool/ROOT/solaris-1@rpool.20121216_115705 0 - 1.62G -
rpool/ROOT/solaris-1/var@install 146M - 215M -
rpool/ROOT/solaris-1/var@2012-12-07-02:16:10 18.1M - 383M -
rpool/ROOT/solaris-1/var@rpool.20121216_115705 76.5K - 364M -
rpool/ROOT/solaris/var@rpool.20121216_115705 0 - 203M -
rpool/export@rpool.20121216_115705 0 - 32K -
rpool/export/home@rpool.20121216_115705 0 - 32K -
rpool/export/home/koji@rpool.20121216_115705 0 - 76.5K -
7. スナップショットをバックアップディスクに格納
% sudo sh -c "zfs send -Rv rpool@rpool.${NOW} | gzip >/backup/rpool.${NOW}.gz"
sending from @ to rpool@rpool.20121216_115705
WARNING: could not send rpool/swap@rpool.20121216_115705: does not exist
sending from @ to rpool/export@rpool.20121216_115705
sending from @ to rpool/export/home@rpool.20121216_115705
sending from @ to rpool/export/home/koji@rpool.20121216_115705
sending from @ to rpool/ROOT@rpool.20121216_115705
sending from @ to rpool/ROOT/solaris-1@install
sending from @install to rpool/ROOT/solaris-1@2012-12-07-02:16:10
sending from @2012-12-07-02:16:10 to rpool/ROOT/solaris-1@rpool.20121216_115705
sending from @ to rpool/ROOT/solaris-1/var@install
sending from @install to rpool/ROOT/solaris-1/var@2012-12-07-02:16:10
sending from @2012-12-07-02:16:10 to rpool/ROOT/solaris-1/var@rpool.20121216_115705
WARNING: could not send rpool/dump@rpool.20121216_115705: does not exist
sending from @ to rpool/ROOT/solaris@rpool.20121216_115705
sending from @ to rpool/ROOT/solaris/var@rpool.20121216_115705
% ls -hl /backup
total 2214377
-rw-r--r-- 1 root root 1.1G 12月 16日 12:12 rpool.20121216_115705.gz