For the record, I took a chance and ripped off the band-aid. Here is what I did:
* stopped backuppc; * deleted all of the numbered backup directories and XferLOG files in pc/<hostname> * deleted the entirety of cpool; I then restarted backuppc and started making full backups. I just wanted to post this in case someone else searches the list with a similar problem. On Sat, Mar 27, 2021 at 2:38 PM Brad Alexander <stor...@gmail.com> wrote: > Hi all, > > I have been running backuppc 3.x for many years (I think I have been > running backuppc itself since about 2003 or 2004, but this particular > installation seems to be from late 2006 or early 2007). I am currently > running 3.3.1-4 on a Debian sid box. I know some helpful soul will suggest > upgrading to 4.x. That is in my plans, but I plan to run it on my FreeNAS > box, and I am currently expanding the pool to accommodate it. So until that > point, I am running on this box. > > A little background, this is my home backup solution. I have about 11 > boxes, a couple of desktops, a couple of laptops (for my wife and I), and a > number of jails, containers, and VMs. > > Lately I have noticed a buildup of cruft in /var/lib/backuppc. I found > that i could store fewer and fewer backups, and finally, yesterday, I wrote > my latest backups off to the NAS, and deleted every backup. So now, I have > zero backups on my server, I ran BackupPC_nightly, and my /var/lib/backuppc > is still sitting at 90% capacity. I am trying to figure out where the cruft > is living, and what is safe to get rid of. > > So with 0 backups on the system, /var/lib/backuppc is sitting at 90% > utilization: > > /dev/mapper/vg00-backuppc 763G 653G 74G 90% /var/lib/backuppc > > I drilled down a bit further, and it appears most of the space is taken up > by pc (452GB) and cpool (201GB). Can the cpool directory be deleted and > backuppc recreate it later? I suspect this is the case. Because I have zero > backups, the files in this directory structure seem to be some leftover of > past days. > > >
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