[Beowulf] how cluster's storage can be flexible/expandable?

[Christopher Samuel]

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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.

cheers,
Chris
- -- 
 Christopher Samuel        Senior Systems Administrator
 VLSCI - Victorian Life Sciences Computation Initiative
 Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
 http://www.vlsci.org.au/      http://twitter.com/vlsci

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