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

Lars Marowsky-Bree lmb at suse.com
Mon Apr 25 06:47:12 EDT 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

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

More information about the Users mailing list