Re: to RAID or not?

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IMHO you use raid for performance reasons and gluster for fault tolerance and scale.

On July 4, 2016 7:54:44 AM PDT, Gandalf Corvotempesta <gandalf.corvotempesta@xxxxxxxxx> wrote:

No suggestions ?

Il 14 giu 2016 10:01 AM, "Gandalf Corvotempesta" <gandalf.corvotempesta@xxxxxxxxx> ha scritto:
Let's assume a small cluster made by 3 servers, 12 disks/bricks each.
This cluster would be expanded to a maximum of 15 servers in near future.

What do you suggest, a JBOD or a RAID? Which RAID level?

15 servers with 12 disks/bricks in JBOD are 180 bricks. Is this an
acceptable value?
Multiple raid6 for each servers? In example, RAID-6 with 6 disks and
another RAID-6 with the other 6 disks. I'll loose 4 disks on each
servers, performance would be affected and rebuild times would be huge
(by using 2TB/4TB disks)

Any suggestions?



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