perc 6/i online capacity expansion from RAID6 to bigger RAID6 drives by replacing drives one at a time?

Sabuj Pattanayek sabujp at
Mon Jul 12 17:09:10 CDT 2010

Or would it be safer to create a new virtual disk on the newly
available space and then create a new FS on that?

On Mon, Jul 12, 2010 at 5:05 PM, Sabuj Pattanayek <sabujp at> wrote:
> Hi,
> Has anyone ever done an online capacity expansion on a PE system with
> a PERC 6/i controller going from a RAID6 with smaller drives to a
> RAID6 with bigger drives? Let's say I have 6 160GB drives filling a
> T410 and later on down the road I want to start swapping the 160GB
> drives with 2TB drives. Can I put the 2TB drives in one at a time,
> allowing for the rebuild, and then expand the virtual disk, then
> expand the FS? I think mdadm grow mode in linux sofware raid allows
> this?
> Thanks,
> Sabuj

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