Hi, You should be ok with the setup. I am running around 20 vms (linux and windows, small and medium size) with the half of your specs. With 10G network replica 3 is ok.
Alex On Wed, Apr 4, 2018, 16:13 Jayme <jay...@gmail.com> wrote: > I'm spec'ing hardware for a 3-node oVirt build (on somewhat of a budget). > I plan to do 20-30 Linux VMs most of them very light weight + a couple of > heavier hitting web and DB servers with frequent rsync backups. Some have > a lot of small files from large github repos etc. > > 3X of the following: > > Dell PowerEdge R720 > 2x 2.9 GHz 8 Core E5-2690 (SR0L0) > 256GB RAM > PERC H710 > 2x10GB Nic > > Boot/OS will likely be two cheaper small sata/ssd in raid 1. > > Gluster bricks comprised of 4x2TB WD Gold 7200RPM SATA HDDs in RAID 10 per > server. Using a replica 3 setup (and I'm thinking right now with no > arbiter for extra redundancy, although I'm not sure what the performance > hit may be as a result). Will this allow for two host failure or just one? > > I've been really struggling with storage choices, it seems very difficult > to predict the performance of glusterFS due to the variance in hardware > (everyone is using something different). I'm not sure if the performance > will be adequate enough for my needs. > > I will be using an all ready existing Netgear XS716T 10GB switch for > Gluster storage network. > > In addition I plan to build another simple glusterFS storage server that I > can use to georeplicate the gluster volume to for DR purposes and use > existing hardware to build an independent standby oVirt host that is able > to start up a few high priority VMs from the georeplicated glusterFS volume > if for some reason the primary oVirt cluster/glusterFS volume ever failed. > > I would love to hear any advice or critiques on this plan. > > Thanks! > _______________________________________________ > Users mailing list > Users@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users >
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