One filesystem I'm trying to back up with AMANDA is really huge and I'm encountering errors:
This filesystem is so huge, a level 0 is taking longer than 24 hours. Any ideas on what could be going wrong? My best guesses:
1. The filesystem is just too big for TAR.
No, at the end of the tar output, you see its summary line:
> | Total bytes written: 30747043840
All fine here.
2. The filesystem is so big, its contents are changing during the tar process and confusing it or amanda.
But there are some IO errors:
? gtar: Read error at byte 53808128, reading 10240 bytes, in file ./archive/www/access.0203.gz: I/O error
These trigger the "error code 2" message at the end. It means that this file is probably corrupted on tape. But the rest of the archive is still useable.
> [...etc...]? gtar: Cannot add file ./opt/freeware/apache/share/htdocs/Library/easmenu.lbi.LCK: No such file or directory
These message are the result of tarring an active filesystem.
It's up to you to decide for each file if it is important or not.
e.g. a missing lockfile or other temporary file is harmless, a growing logfile is harmless, a growing mailbox (with simple sequential access) is also harmless, but a changing Berkeley DB file is probably more dangerous.
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