norohind/zfs_autobackup
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fix: atomic snapshots can only be created per pool. now uses a seperate zfs snapshot command for each pool

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This commit is contained in:
Edwin Eefting 2018-03-06 15:54:00 +01:00
parent cc45122e3e
commit b0ffdb4893
1 changed files with 21 additions and 12 deletions
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zfs_autobackup
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@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python2
# -*- coding: utf8 -*-
@ -165,12 +165,21 @@ test_snapshots={}
"""create snapshot on multiple filesystems at once (atomicly)"""
"""create snapshot on multiple filesystems at once (atomicly per pool)"""
def zfs_create_snapshot(ssh_to, filesystems, snapshot):
cmd=[ "zfs", "snapshot" ]
#collect per pool, zfs can only take atomic snapshots per pool
pools={}
for filesystem in filesystems:
pool=filesystem.split('/')[0]
if pool not in pools:
pools[pool]=[]
pools[pool].append(filesystem)
for pool in pools:
cmd=[ "zfs", "snapshot" ]
for filesystem in pools[pool]:
cmd.append(filesystem+"@"+snapshot)
#in testmode we dont actually make changes, so keep them in a list to simulate