[Beowulf] how cluster's storage can be flexible/expandable?
samuel at unimelb.edu.au
Sun Nov 18 19:12:58 PST 2012
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* Pardon the delay in responding, been away at a solar eclipse. :-)
On 12/11/12 14:50, Duke Nguyen wrote:
> We also thought of using LVM on top of RAID disks, but never think
> of XFS. Why do we need XFS and how does this compare with GPFS?
Apples and oranges really, I was trying to give a flavour of the fact
that you can do what you ask with a variety of solutions.
> The RAID software (megaRAID) also states that new disks can be
> added on the fly, but I have no idea if the new disks can also be
> formatted and ready together with the available storage. Everything
> is still very new to me.
I can't see any reason why not, you just need to tell the kernel to
rescan the SCSI bus.
Christopher Samuel Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
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