On 10/26/2016 02:04 PM, Joe Julian wrote:
On 10/26/2016 02:02 PM, Gandalf Corvotempesta wrote:
2016-10-26 22:59 GMT+02:00 Joe Julian <joe@xxxxxxxxxxxxxxxx>:
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.
And yes, they can fail, but 20TB is small enough to heal pretty quickly.
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