Hi,
I am using BackupPC now for years. It is really great. Meanwhile I use
v4.4.0 on Debian.
As far as I understood it os very efficient in storing identical data.
Now I noticed something which let me doubt this. I guess there is an
explanation. So what do I have?
I have two clients which have a large share. These two (Debian) clients
sync this share on a daily base through rsync (through a third clientC,
but this should not make a difference). On clientA there is a cron job
doing rsync to clientC and on clientB there is a cron job doing rsync
from clientC. So in the end all three hosts have identical data. rsync
command runs through ssh and use "-avH".
BackupPC itself is only backing up host clientA so far (since months
now). So the data is stored in /var/lib/backuppc.
Now I added the clientB share to BackupPC and expected the filesystem
usage on /var/lib/backuppc to stay more or less equal after the backupc
of clientB as the data is already stored from clientA. At least after a
while when doing some cleanups.
Unfortunately, the usage of the pool increased approximately about the
size of the share and has not been dropped since (more than a week now).
So my questions are:
* Is there dupe detecion on BackupPC?
* If so, why does my pool size not decrease after a while?
* If by default it has to decrease, is there an explanation why it
does not on my host?
Thanks a lot!
/KNEBB
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