[Lustre-discuss] umount on client - device busy

Carlos Santana neubyr at gmail.com
Tue Jun 16 14:05:29 PDT 2009


The fuser does not give any process list - "Cannot stat /mnt/lustre: Cannot
send after transport endpoint shutdown"
-
Thanks,
CS.


On Tue, Jun 16, 2009 at 3:51 PM, Johann Lombardi <johann at sun.com> wrote:

> On Jun 16, 2009, at 9:17 PM, Carlos Santana wrote:
>
>> I am unable to unmount file system from the client. The (test)
>> installation is a single node type with MDS-OST-client running on same
>> machine. Following are the error messages with umount command (even with
>> -f):
>>
>> --- ---
>> umount: /mnt/lustre: device is busy
>> umount: /mnt/lustre: device is busy
>>
>> (device/resource busy with -f option)
>> --- ---
>>
>> What process might be accessing the device?
>>
>
> You can use lsof or fuser to get the list of processes using the
> filesystem.
>
> Cheers,
> Johann
>
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