[Gluster-users] Production cluster planning
joe at julianfamily.org
Wed Oct 26 21:04:52 UTC 2016
On 10/26/2016 02:02 PM, Gandalf Corvotempesta wrote:
> 2016-10-26 22:59 GMT+02:00 Joe Julian <joe at julianfamily.org>:
>> Personally, I prefer raid0 bricks just to get the throughput to saturate my
>> network, then I use replicate to meet my availability requirements
>> (typically replica 3).
> Isn't the ZFS cache on SSD enough to saturate the network?
> I'll use replica 3, but I don't feel safe having the whole node in
> RAID0, a single disk failure means the whole node to heal from scratch
> and commodity disks are prone to fail
I just add enough disks to saturate (and I don't like zfs, personally)
per-brick. So with 30 disks on a server, I typically do 5-disk raid-0
and create 6 bricks per server.
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