File system corruption

[Ivan Voras]

Maciej Milewski wrote:
> Tuesday 12 May 2009 20:10:57 Pat Wendorf napisał(a):
>> I have a co-lo server I've been maintaining for a few years now running IDE
>> drives on a mostly terrible UPS.  A few months ago, when it returned from a
>> power outage (running 6.2-R) I started noticing the following in my daily
>> security email:
>>
>> Checking setuid files and devices:
>> find:
>> /var/db/portsnap/files/2dc95ddff37a8091239e83bf7e3ce5a2c285b027891ced1919d7
>> 6c9947c5b7db.gz: Bad file descriptor
>> find:
>> /var/db/portsnap/files/52abe8c91385b12272f13f4d20896067d9ba70bdec1fa2575025
>> 858bd3e93718.gz: Bad file descriptor
>> find: /var/lost+found/#238237: Bad file descriptor
>>
>> I verified that these files return the same result when trying to do any
>> operation on them (including ls in the directory).
>>
>> I've managed to ignore the problem for a while now, and even upgraded to
>> 7.2, but I'm not sure if it will cause problems later on.  So the question
>> is, without access to the console, how would I fix this?
> 
> 
> 
> I think tere is a need for fsck on this partition.
> /var is used by many daemons for logging, mailqueue etc., so maybe the first 
> thing to do would be to stop as many daemons as possible and leaving only ssh 
> to get to this system remotely?
> I really don't know how much dangerous could be unmounting /var on a live 
> system in such case.

Not critically dangerous - it can be done with care. Of course, it's
best to reboot afterwards :)

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