diff --git a/README.md b/README.md index 65dd7bb..a6d4605 100644 --- a/README.md +++ b/README.md @@ -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" diff --git a/bin/zfs-autobackup b/bin/zfs-autobackup index bdcd8e0..b5604a0 100755 --- a/bin/zfs-autobackup +++ b/bin/zfs-autobackup @@ -26,7 +26,7 @@ if sys.stdout.isatty(): except ImportError: pass -VERSION="3.0-rc8" +VERSION="3.0-rc9" HEADER="zfs-autobackup v{} - Copyright 2020 E.H.Eefting (edwin@datux.nl)\n".format(VERSION) class Log: @@ -1453,7 +1453,7 @@ class ZfsAutobackup: parser.add_argument('--other-snapshots', action='store_true', help='Send over other snapshots as well, not just the ones created by this tool.') parser.add_argument('--no-snapshot', action='store_true', help='Don\'t create new snapshots (usefull for finishing uncompleted backups, or cleanups)') parser.add_argument('--no-send', action='store_true', help='Don\'t send snapshots (usefull for cleanups, or if you want a serperate send-cronjob)') - parser.add_argument('--min-change', type=int, default=200000, help='Number of bytes written after which we consider a dataset changed (default %(default)s)') + parser.add_argument('--min-change', type=int, default=1, help='Number of bytes written after which we consider a dataset changed (default %(default)s)') parser.add_argument('--allow-empty', action='store_true', help='If nothing has changed, still create empty snapshots. (same as --min-change=0)') parser.add_argument('--ignore-replicated', action='store_true', help='Ignore datasets that seem to be replicated some other way. (No changes since lastest snapshot. Usefull for proxmox HA replication)') parser.add_argument('--no-holds', action='store_true', help='Don\'t lock snapshots on the source. (Usefull to allow proxmox HA replication to switches nodes)')