Les Mikesell wrote:
> Rob Owens wrote:
>> I rebooted my BackupPC server after a RAM upgrade, and warned me of
>> errors on my /var/lib/backuppc partition. So I ran e2fsck -p -v on the
>> partition, and I get a whole lot of:
>>
>> /dev/md5: Problem in HTREE directory inode 33115457: node (712) has bad
>> max hash
>> /dev/md5: Problem in HTREE directory inode 33115457: node (712) not
>> referenced
>> /dev/md5: Problem in HTREE directory inode 33115457: node (713) has
>> invalid depth
>>
>> and it tells me to run fsck manually. (there are hundreds of these
>> entries).
>>
>> Running fsck manually gives me:
>>
>> Invalid HTREE directory inode 33115457
>> (/pc/app-server/357/fBEST/fPAPERLESS HAL). Clear HTree index<y>?
>>
>> I'm not sure if I should say yes, because I don't know what kind of
>> repercussions this could have.
>
> If you have to ask advice, you probably need to say yes here. And if
> there are hundreds of errors you might as well run fsck with the -y
> option. fsck knows more than most of us about how to recover a
> filesystem...
>
Agreed. I'm giving it a shot.
>> If I trash anything in my pool, will I
>> know it right away? If I lose my backups, it would be bad but not the
>> end of the world. However, if I think I have good backups and I really
>> don't, that would be worse. I guess I'm looking for any advice you guys
>> might have...
>
> fsck will fix things so the directories make sense, the free space isn't
> actually being used by files, etc. It may make some entries in your
> lost+found directory with data where it can't determine the old
> filenames. It can't verify the content of the files, though, but they
> will probably still be mostly correct and certainly better than nothing
> as backups. I'd schedule full runs as soon as possible after fixing
> things, though.
>
My concern was that if a file got corrupted, would BackupPC notice or
would it allow new files to be hardlinked to the corrupted files in the
pool. I guess a full backup would take care of that, though. Anyway,
thanks for the advice. Looks like everything's working now.
-Rob
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