[ClusterLabs] Antw: Re: Performance of a mirrored LV (cLVM) with OCFS: Attempt to monitor it

Mon Apr 25 10:47:12 UTC 2016

On 2016-04-25T12:40:31, Ulrich Windl <Ulrich.Windl at rz.uni-regensburg.de> wrote:

> As we've made good experience with MD-RAID, I really thought about having an
> MD-RAID on one node and export that RAID via iSCSI to all the nodes that need
> access. Unfortunately I cannot compare performance ahead of time 8-(

The additional IO hop would pretty badly hurt. Not so much on bandwidth
(if your NICs are capable of handling the throughput), but latency adds
up.

-- 
Architect SDS, Distinguished Engineer
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde