To date, for me, the most serious issue with BackupPC are never-ending
backups, caused by corrupted files.
I'm not sure what causes file corruption though (server crash, broken
network connection, interrupted backup, killed backuppc process,
something else)?
When BackupPC makes a backup, and a previous full contains a corrupted
file, it often gets decompressed to a file which grows beyond any limits
(i.e., 45 GB, until interrupted).
When we however try to decompress it by hand, we can see an error:
# BackupPC_zcat < f2008-01-01-full.sql > uncompress
BackupPC_zcat: can't uncompress stdin
# BackupPC_zcat < f2008-04-01-full.sql > uncompress
BackupPC_zcat: can't uncompress stdin
It's easiest to spot with big files.
The issue is a problem as it breaks backup for a given host until a
broken file is removed manually.
Is there a workaround to that?
--
Tomasz Chmielewski
http://wpkg.org
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