[gpfsug-discuss] Increase volume size after nsd/disk creation

[Bryan Banister]

To my knowledge there isn’t a way today to do this today.  Thus you would need to delete an NSD from the FS, delete the NSD, increase the backend disk, recreate the NSD, then add it back to the FS.

Cheers,
-Bryan

From: gpfsug-discuss <gpfsug-discuss-bounces at gpfsug.org> On Behalf Of Popescu, Razvan
Sent: Wednesday, June 14, 2023 2:40 PM
To: gpfsug-discuss at gpfsug.org
Subject: [gpfsug-discuss] Increase volume size after nsd/disk creation

This message has originated from an EXTERNAL SENDER
Hello,

Does anyone know if GPFS allows the increase in capacity of already existing nsd/disks, in order to add capacity to a storage pool?

I need to increase the space on an existing filesystem, and wonder if rather than having to add new nds/disks to the storage pool, I could leverage the ability of the backend block storage array (NetApp E5600) to increase the capacity of existing raid volumes, and propagate the increase in space all the way through nsd/disk/storage pool.  Sounds somewhat close to handling thin disks – yes, not quite the same, but I found no reference in the manuals either way.

Many thanks!
Razvan


Columbia Business School
At the Very Center of Business


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