After excluding /home/backuppc from the localhome backup, I did a successful
incremental backup of /home on the 24th. However, I noticed that the file
server was very slow on the morning of the 25th and a number of overnight
backups were still running. I suspect BackupPC_refCountUpdate was the culprit,
driving high disk seek rates. I ended up renaming
/var/lib/backuppc/pc/localhome and started a new localhome backup series.
I am running 4.3.0 (manual build for Serbian on ARM). I have held off
upgrading until an official build but it appears I need to upgrade to 64bit
Bullseye which is not trivial.
On August 23, 2022 11:38:53 AM EDT, Norbert Hoeller via BackupPC-users
<backuppc-users@lists.sourceforge.net> wrote:
>I have a home file server that also runs backuppc for a number of other
>servers. Backuppc backs up /home (host localhome) on the file server so I can
>recover from accidentally deleted files.
>
>Originally, /var/lib/backuppc was mapped to its own partition which
>periodically caused space issues. I recently moved the backuppc data folder to
>/home/backuppc and mapped it to /var/lib/backuppc but forgot to exclude the
>/home/backuppc folder from backups of /home. Backuppc completed backup 325 and
>part of 326 before I noticed the problem. I excluded /home/backuppc from
>further backups and did a manual incremental backup which created 327 (partial
>backup 326 disappeared).
>
>Although the cpool size did not increase, pc/localhome is over 2GB bigger. I
>tried running "BackupPC_Delete -h localhome -n 327 -s home backuppc" in the
>hope that would clean up the pointers but it merged #327/home/backuppc ->
>#325/home/backuppc. I repeated the process with backup 325 which merged
>#325/home/backuppc -> #324/home/backuppc. Right now, pc/localhome/324 takes
>up 644MB while pc/localhome/327 takes up 1015MB, compared to under 15MB before.
>
>Is there a way to get rid of the unnecessary pointers to /home/backuppc or do
>I just wait for them to age out?
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