[Lustre-discuss] Lustre failover of MGS

[Kevin Van Maren]

Kevin Van Maren wrote:
> Brian J. Murrell wrote:
>> On Tue, 2008-11-25 at 23:34 +0000, neil rutter wrote:
>>  
>>> kevin, brian,
>>>
>>> thanks to you both. i had a mkfs.lustre error, which after had been 
>>> pointed out fixed the issue.
>>>     
>>
>> Can you share the error here so that future searches of this problem are
>> complete with a solution?
>>
>> There's nothing more frustrating than finding the same problem you are
>> having in a mailing list archive and with no solution.  Actually there
>> is something more frustrating and that's that the problem was solved but
>> no details on how.
>>
>> Thanx,
>> b.
>>   
> Come on, if we wanted to make it that easy, it would be in the manual ;-)
>
> I gave Neil the correct mkfs commands:
>
> mkfs.lustre --reformat --failnode=192.168.123.21 at tcp0 --mgs /dev/sdb
> mkfs.lustre --reformat --fsname bananafs 
> --failnode=192.168.123.21 at tcp0 --mgsnode=192.168.123.20 at tcp0 
> --mgsnode=192.168.123.21 at tcp0 --mdt /dev/sdc
>
> Kevin

Brian,

Here are the original, incorrect, mkfs commands:

mkfs.lustre --reformat --fsname bananafs --failnode lustremds2 --mgs 
/dev/sdb
mkfs.lustre --reformat --fsname bananafs --failnode lustremds2 
--mgsnode=lustremds1 --mdt /dev/sdc

Kevin