rzerres/dsnap-sync
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dsnap-sync: resolve bug when sending incremental snapshots

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* run_backup(): btrfs send needs valid parent
  if last_sync id on target does not match id on source, use a valid
  common sync_id

Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>
This commit is contained in:
Ralf Zerres
2018-09-22 13:42:01 +02:00
parent c65ed5d4af
commit e2a324eab7
1 changed files with 8 additions and 0 deletions
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8
bin/dsnap-sync
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@@ -1613,9 +1613,17 @@ run_backup () {
fi
fi
else
# use source_id as common sync-id
snapper_common_sync_id=$snapper_source_id
snapper_common_sync_snapshot=$snapper_source_sync_snapshot
fi
else
# we have a common sync_id
if [ ${snapper_source_sync_id} != ${snapper_target_sync_id} ]; then
# btrfs send: we need to use the common sync_id as a valid parent
snapper_source_sync_id=$snapper_common_sync_id
snapper_source_sync_snapshot=$SUBVOLUME/.snapshots/$snapper_source_sync_id/snapshot
fi
fi
cmd="$ssh stat --format %i $snapper_target_snapshot 2>/dev/null"