On May 15, 3:44 pm, Polani wrote:
> Guys
>
> I need to create a new GPFS filesystem in a existing GPFS cluster
> ( used for RAC ) with newly added disks to system.
>
> Here is my procedue , pls review and recommend any necssary changes:
>
> 1. execute mmncrsd on new disk ( hdisk5) with a a new failure group
> ( different from what previously used for existing GPFS filesystem)
A failure group is not related to a filesystem.


>
> 2.mmcrfs /data2 /dev/data2 -F /tmp/gpfs/datadisk1.desc -B 512K -m 1-M
> 1 -r 1 -R 1 -Q no -n 16 -A no

Do no limit the replication factor since it can not be changed
afterwards.

>
> I think , i have to do stop GPFS cluster , before execution of mmcrnsd
> and mmcrfs commands ? am i right ?
No need to stop the cluster.

So i suggest to take a look at the documentation as well.
Please read
http://publib.boulder.ibm.com/infoce...gpfsbooks.html

hth
Hajo