Holger Parplies <wb...@parplies.de> wrote on 10/30/2013 10:24:05 PM:
> as I understand it, the backups from before the change from smb to
rsyncd are
> linked into the pool. Since the change, some or all are not. Whether the
> change of XferMethod has anything to do with the problem or whether it
> coincidentally happened at about the same point in time remains to be
seen.
> I still suspect the link to $topDir as cause, and BackupPC_link is
independent
> of the XferMethod used (so a change in XferMethod shouldn't have any
> influence).
To add my anecdote, I use a symbolic link for all of my BackupPC hosts: a
couple dozen? And they all work fine. It's been my standard procedure
for almost as long as I've been using BackupPC.
Example:
ls -l /var/lib
lrwxrwxrwx. 1 root root 22 Apr 22 2013 BackupPC ->
/data/BackupPC/TopDir/
mount
/dev/sda1 on /data type ext4 (rw)
I understand phobias from earlier problems (see my earlier e-mail about my
thoughts on NFS and backups...) but I do not think this one is an issue.
> If the log files show nothing, we're back to finding the problem, but I
doubt
> that. You can't "break pooling" by copying, as was suggested. Yes, you
get
> independent copies of files, and they might stay independent, but
changed
> files should get pooled again, and your file system usage wouldn't
continue
> growing in such a way as it seems to be. If pooling is currently
"broken",
> there's a reason for that, and there should be log messages indicating
> problems.
You are 100% correct; but it depends on how you define "break". Making a
copy of a backup will absolutely break pooling--for the copy you just
made! :)
It won't prevent *future* copies from pooling, certainly. But it sure can
fill up a drive: even if pooling *is* working correctly for new copies,
they can still fill up the drive *and* BackupPC_nightly won't do a thing
about it.
Tim Massey
Out of the Box Solutions, Inc.
Creative IT Solutions Made Simple!
http://www.OutOfTheBoxSolutions.com
tmas...@obscorp.com
22108 Harper Ave.
St. Clair Shores, MI 48080
Office: (800)750-4OBS (4627)
Cell: (586)945-8796
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