[Lustre-discuss] Adding OSTs problem

[Mag Gam]

Thanks Cliff.

Seems like when I used fsname= (with the equal) it worked.



On Mon, Mar 16, 2009 at 2:51 PM, Cliff White <Cliff.White at sun.com> wrote:
> Mag Gam wrote:
>>
>> I have added 2 volumes onto my existing filesystem.
>>
>> mkfs.lustre --fsname lfs002 --ost --mgsnode=mgs01 at tcp /dev/lustrevg/lv03
>> mkfs.lustre --fsname lfs002 --ost --mgsnode=mgs01 at tcp /dev/lustrevg/lv04
>>
>> I even managed to mount up the OSTS (each are 2TB)
>>
>> However, on the clients we don't see the extra 4TB.
>>
>> I am not sure whats going on.
>>
>>
>> On the OST:
>> I can see the new OSTs mounted up properly
>>
>> /proc/fs/lustre/obdfilter/lfs002* I see the mounted filesystem device
>> on mntdev in the /proc/filesystem
>>
>> I even managed to reboot the MDS and OSS and the clients still no go.
>> I **think** on my MDS I see the new OSS too, just not on the clients.
>>
>> Is there anything I should be looking at?
>
> first, tunefs.lustre --print on the OST to be certain you have the fsname
> set correctly ( i think it needs to be --fsname= )
>
> Second, 'lctl dl' on the MDS should show you a connection to the new OSTs.
> If not, the MGS hasn't registered them with this filesystem.
> # lctl dl
>
>  3 UP mds test1-MDT0000 test1-MDT0000_UUID 5
> ...
>  5 UP osc test1-OST0001-osc test1-mdtlov_UUID 5
>
>
> 'lctl dl' on the OST should show an MGC connection
> # lctl dl
>  0 UP mgc MGC10.67.73.150 at tcp 92778f8e-f7e6-0327-e433-63d230eea1a9 5
>  1 UP ost OSS OSS_uuid 3
>  2 UP obdfilter test1-OST0001 test1-OST0001_UUID 7
>
>
> Check the OST log, there should be a 'recieved MDS connection from....'
> message if you were registered correctly.
> /var/log/messages.2:Mar  2 11:17:24 d1c2 kernel: Lustre: test1-OST0001:
> received MDS connection from 10.67.73.151 at tcp
>
>
> New OSTs should be automatically recognized by the clients, and 'lctl dl' on
> the clients should show the new OSTs.
>
> cliffw
>
>>
>> TIA
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