[Beowulf] PetaBytes on a budget, take 2

"C. Bergström" cbergstrom at pathscale.com
Sat Jul 23 00:28:34 PDT 2011

  On 07/23/11 12:53 PM, Greg Lindahl wrote:
> On Fri, Jul 22, 2011 at 09:05:11AM +0200, Eugen Leitl wrote:
>> Additional advantage of zfs is that it can deal with the higher
>> error rate of consumer or nearline SATA disks (though it can do
>> nothing against enterprise disk's higher resistance to vibration),
>> and also with silent bit rot with periodic scrubbing (you can
>> make Linux RAID scrub, but you can't make it checksum).
> And you can have a single zfs filesystem over 100s of nodes with
> petabytes of data? This thread has had a lot of mixing of single-node
> filesystems with cluster filesystems, it leads to a lot of confusion.
zfs + lustre would do that, but the OP was comparing against Linux 
filesystem + RAID.

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