[Lustre-discuss] Read-only file system

[Mag Gam]

Hi Brian:

thanks for the reply as usual...


Well, there were no server problems but I did run a e2fsck on the MDT
and OST I managed to fix the corruptions (or have the e2fsck do it for
me).

So far no issues. But I do notice some files which have ?????? by their stats.

Fortunately, these aren't important files, but I am not sure how to
remove them. Any thoughts?

TIA

On Mon, Mar 23, 2009 at 8:42 AM, Brian J. Murrell <Brian.Murrell at sun.com> wrote:
> On Sat, 2009-03-21 at 05:26 -0700, Mag Gam wrote:
>> We have been experiecing problems recently, where our Lustre
>> filesystem is becoming read-only (we can't even see our data).
>>
>> For example when I invoke 'ls' or 'find'
>>
>> ls: .: Read-only file system
>> find: cannot get current directory: Read-only file system
>
> This usually happens because some error on the servers causes lustre to
> turn the media read-only in an attempt to prevent corruption.  The
> underlying cause is usually hardware related.  Check the lustre servers
> to see which device has been made read-only and then check your storage
> to see what situations might have caused it.
>
> b.
>
>
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