Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 2017-08-25 03:59 PM, Gionatan Danti wrote: > Il 25-08-2017 21:46 Remolina, Diego J ha scritto: >> Danti, >> >> Have you considered using something other than drbd for VM disk >> storage? Glusterfs for example is really good for that. You may want >> to give it a try. You should look at enabling sharding from the get-go >> to speed up heals when a node goes down. >> >> I would not use Glusterfs for a file server as it's performance is >> abysmal dealing with lots of small files. I would definitively use >> DRBD for a file server as it is great in handling lots of small files >> whereas Glusterfs is horrible. But for VMs, I think gluster offers >> many niceties, easy to setup, good performance, no need to deal with >> GFS2, etc. >> >> HTH, >> >> Diego > > Hi Diego, > sure, I have an on-going discussion with the gluster mailing list about > how to do that. > > However, having been served so well by DRBD in the last 4 years, I am > somewhat reluctant to abandon it for another, probably not so > battle-tested, technology. > > In particular, it seems that to be useful (ie: stable enought) for VM > disk storage, Gluster need a 3-way cluster and sharding enabled (which I > would like to avoid). In contrast, DRBD + GFS2 (or DRBD + LVM) can be > used in a 2-way cluster without problem. > > Thanks. To me, gluster is a cloud technology solution, where DRBD is pure resiliency/replication. So for HA-focused platforms, DRDB makes a lot more sense, and that is why we use it under the Anvil! platform. -- Digimer Papers and Projects: https://alteeve.com/w/ "I am, somehow, less interested in the weight and convolutions of Einstein’s brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops." - Stephen Jay Gould