disappearing files

[admin at prnet.org]

Hi,

Dmesg returns no error. Also smartctl returns no errors. I will wait for
other suggestion before unmounting the volume in this machine for the case
someone else has another suggestion what to check for, because it might be
that by umounting and remounting, it will take again a few month for the
problem to reappear.

On the other machine that was having the problem, dmesg and smartctl also
returned no errors. I rebooted the machine and started fsck which also
returned no error. On remounting, everything was working again.

Bye,
David Arendt

> On 7/28/2011 10:15 AM, admin at prnet.org wrote:
>> Hi,
>>
>> I am using FreeBSD 8.2 with an UFS filesystem containing a jail. I do a
>> tar of the whole jail every night. Suddenly after a few weeks of
>> operation, tar complains about being unable to stat
>> /usr/lib/libmilter.so.
>>
>>> From inside the jail:
>>
>> ls /usr/lib | grep "^libmilter.so$" returns "libmilter.so"
>> ls /usr/lib/libmilter.so returns "ls: libmilter.so: No such file or
>> directory"
>> ls -l /usr/lib>  /dev/null returns "ls: libmilter.so: No such file or
>> directory"
>>
>> Trying to access the file from the main system gives the same result.
>>
>> A reboot returns everything to normal.
>>
>> Exactly the same also appeared on another machine some time ago, the
>> only
>> difference was that it appeared on another file.
>>
>> Does anyone know what can cause this problem ?
>
> File system corruption would cause such behavior. And/Or perhaps
> something is wrong with the underlying disk device.
>
> I would search the logs for messages indicating that the storage
> medium is failing. Does dmesg contain anything related?
>
> I would also unmount and fsck the file system.
>
> HTH, Nikos
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