how to take incremental backup ?

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fasi74

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Jun 24, 2021
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I have a Proxmox VE server and a Proxmox Backup Server 2.0 in my environment, now i have this running container which i am taking backup of in the PBS server, now the problem is that every time i run manually the "Backup now" and backup the machine it is taking full backup of the device ? how can i back it up in a way that it saves space on the backup server Datastore.

Kind Regards
 
please post the full backup task log
 
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last backup task log.

NFO: starting new backup job: vzdump 107 --storage BackupExt --remove 0 --mode snapshot --compress zstd --node pve
INFO: filesystem type on dumpdir is 'cifs' -using /var/tmp/vzdumptmp361278_107 for temporary files
INFO: Starting Backup of VM 107 (lxc)
INFO: Backup started at 2021-11-25 11:11:59
INFO: status = running
INFO: CT Name: HelpDesk
INFO: including mount point rootfs ('/') in backup
INFO: mode failure - some volumes do not support snapshots
INFO: trying 'suspend' mode instead
INFO: backup mode: suspend
INFO: ionice priority: 7
INFO: CT Name: HelpDesk
INFO: including mount point rootfs ('/') in backup
INFO: starting first sync /proc/3446123/root/ to /var/tmp/vzdumptmp361278_107
INFO: first sync finished - transferred 1.19G bytes in 17s
INFO: suspending guest
INFO: starting final sync /proc/3446123/root/ to /var/tmp/vzdumptmp361278_107
INFO: final sync finished - transferred 0 bytes in 5s
INFO: resuming guest
INFO: guest is online again after 5 seconds
INFO: creating vzdump archive '/mnt/pve/BackupExt/dump/vzdump-lxc-107-2021_11_25-11_11_59.tar.zst'
INFO: Total bytes written: 1123409920 (1.1GiB, 60MiB/s)
INFO: archive file size: 332MB
INFO: Finished Backup of VM 107 (00:00:46)
INFO: Backup finished at 2021-11-25 11:12:45
INFO: Backup job finished successfully
TASK OK
 
that is not using PBS at all.. you need to configure a PBS storage in PVE and use that as backup target..
 
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Oh sorry my bad, so incremental or optimized storage only work with PBS and not a simple file share like CIFS or NFS ?
 
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