For the longest of time my log files have warned about 37 missing pool files.
E.g.
admin : BackupPC_refCountUpdate: missing pool file
718fc4796633702979bb5edbd20e27a6
So, I decided to find them to see what is going on...
I did the following:
1. Stopped the running of further backups
Ran: BackupPC_fsck -f' to do a full checkup
Ran: BackupPC_nightly to prune the pool fully
2. Created a sorted, uniq list of all the cpool files, using 'find'
and 'sort -u' on TopDir/cpool
3. Created a program to iterate through all the attrib files in all my
backups and print out the digest and name of each file (plus also
size and type). I also included the md5sum encoded in the name of
each attrib file itself.
Ran the program on all my hosts and backups
Sorted and uniquified the list of md5sum
4. Used 'comm -1 -3' and 'comm -2 -3' to find missing ones from each
listing
Result:
1. Relative to the attrib listing, the pool was missing *105* files
including the 37 that were found in the LOG
INTERESTINGLY, all 105 were from previously migrated v3 backups.
Actually, from the last 3 backups on that machine (full, incr, incr)
2. Relative to the pool listing, there were *1154* files in the pool
that were not mentioned in the attrib file digests (including the
digest of the attrib itself)
So,
- Why is BackupPC_fsck not detecting all the missing pool files?
- Why is BackupPC_nightly not pruning files not mentioned in the
attrib listing?
- Any suggestions on how to further troubleshoot?
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