patrick/zfs_autobackup
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--min-change is now has 1 instead of 200000 as default. fixes #37

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Edwin Eefting
2020-03-29 23:47:26 +02:00
parent 9cf5ce188a
commit bcf73c6e5c
2 changed files with 5 additions and 4 deletions
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@ -408,7 +408,7 @@ optional arguments:
want a separate send-cronjob)
--min-change MIN_CHANGE
Number of bytes written after which we consider a
dataset changed (default 200000)
dataset changed (default 1)
--allow-empty If nothing has changed, still create empty snapshots.
(same as --min-change=0)
--ignore-replicated Ignore datasets that seem to be replicated some other
@ -533,6 +533,7 @@ Extra options needed for proxmox with HA:
* --no-holds: To allow proxmox to destroy our snapshots if a VM migrates to another node.
* --ignore-replicated: To ignore the replicated filesystems of proxmox on the receiving proxmox nodes. (e.g: only backup from the node where the VM is active)
* --min-change 200000: Ignore replicated works by checking if there are no changes since the last snapshot. However for some reason proxmox always has some small changes. (Probably house-keeping data are something? This always was fine and suddenly changed with an update)
I use the following backup script on the backup server:
@ -540,7 +541,7 @@ I use the following backup script on the backup server:
for H in h4 h5 h6; do
echo "################################### DATA $H"
#backup data filesystems to a common place
./zfs-autobackup --ssh-source root@$H data_smartos03 zones/backup/zfsbackups/pxe1_data --clear-refreservation --clear-mountpoint --ignore-transfer-errors --strip-path 2 --verbose --resume --ignore-replicated --no-holds $@
./zfs-autobackup --ssh-source root@$H data_smartos03 zones/backup/zfsbackups/pxe1_data --clear-refreservation --clear-mountpoint --ignore-transfer-errors --strip-path 2 --verbose --resume --ignore-replicated --min-change 200000 --no-holds $@
zabbix-job-status backup_$H""_data_smartos03 daily $? >/dev/null 2>/dev/null
echo "################################### RPOOL $H"