third-party-mirrors/zfs_autobackup
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This commit is contained in:
Edwin Eefting 2019-10-24 00:04:18 +02:00
parent 73214d4d2b
commit 98b3902b4c
1 changed files with 9 additions and 3 deletions
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zfs_autobackup
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@ -824,7 +824,7 @@ class ZfsDataset():
def resume_transfer(self, target_dataset, show_progress=False):
"""resume an interrupted transfer."""
"""resume an interrupted transfer, if there is one"""
#resume is a kind of special case since we dont know which snapshot we are transferring. (its encoded in the resume token)
if 'receive_resume_token' in target_dataset.properties:
@ -848,7 +848,7 @@ class ZfsDataset():
returns None if its an initial transfer
"""
if not target_dataset.our_snapshots:
#we have nothing yet
#target has nothing yet
return(None)
else:
snapshot=self.find_snapshot(target_dataset.our_snapshots[:-1].snapshot_name)
@ -905,11 +905,17 @@ class ZfsDataset():
prev_source_snapshot=common_snapshot
source_snapshot=start_snapshot
while source_snapshot:
target_snasphot=target_dataset.find_snapshot(source_snapshot.snapshot_name) #non existing yet
target_snasphot=target_dataset.find_snapshot(source_snapshot.snapshot_name) #"virtual"
#does target actually want it?
if target_snapshot in target_keeps:
source_snapshot.transfer_snapshot(target_snapshot, prev_snapshot=prev_source_snapshot, show_progress=show_progress, resume_token=resume_token)
#we may destroy the previous snapshot now, if we dont want it anymore
if prev_source_snapshot not in source_keeps:
prev_source_snapshot.destroy()
prev_source_snapshot=source_snapshot
source_snapshot=self.find_our_next_snapshot(source_snapshot)