On Wed, Oct 14, 2020 at 1:29 PM Strahil Nikolov via Users <[email protected]> wrote: > > Hi Gilboa, > > I think that storage domains need to be accessible from all nodes in the > cluster - and as yours will be using local storage and yet be in a 2-node > cluster that will be hard. > > My guess is that you can try the following cheat: > > Create a single brick gluster volume and do some modifications: > - volume type 'replica 1' > - cluster.choose-local should be set to yes , once you apply the virt group > of settings (cause it's setting it to no) > - Set your VMs in such way that they don't failover
This has the same issues of "shared" NFS domain served by one host. > Of course, creation of new VMs will happen from the host with the SPM flag, > but the good thing is that you can change the host with that flag. So if your > gluster has a brick ovirt1:/local_brick/brick , you can set the host ovirt1 > to 'SPM' and then create your VM. > > Of course the above is just pure speculation as I picked my setup to be > 'replica 3 arbiter 1' and trade storage for live migration. > > Best Regards, > Strahil Nikolov > > > > > > > В сряда, 14 октомври 2020 г., 12:42:44 Гринуич+3, Gilboa Davara > <[email protected]> написа: > > > > > > Hello all, > > I'm thinking about converting a couple of old dual Xeon V2 > workstations into (yet another) oVirt setup. > However, the use case for this cluster is somewhat different: > While I do want most of the VMs to be highly available (Via 2+1 GFS > storage domain), I'd also want pin at least one "desktop" VM to each > host (possibly with vGPU) and let this VM access the local storage > directly in-order to get near bare metal performance. > > Now, I am aware that I can simply share an LVM LV over NFS / localhost > and pin a specific VM to each specific host, and the performance will > be acceptable, I seem to remember that there's a POSIX-FS storage > domain that at least in theory should be able to give me per-host > private storage. > > A. Am I barking at the wrong tree here? Is this setup even possible? > B. If it is even possible, any documentation / pointers on setting up > per-host private storage? > > I should mention that these workstations are quite beefy (64-128GB > RAM, large MDRAID, SSD, etc) so I can spare memory / storage space (I > can even split the local storage and GFS to different arrays). > > - Gilboa > _______________________________________________ > Users mailing list -- [email protected] > To unsubscribe send an email to [email protected] > Privacy Statement: https://www.ovirt.org/privacy-policy.html > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/[email protected]/message/VT24EBHC4OF7VXO7BGY3C2IT64M2T5FD/ > _______________________________________________ > Users mailing list -- [email protected] > To unsubscribe send an email to [email protected] > Privacy Statement: https://www.ovirt.org/privacy-policy.html > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/[email protected]/message/XJ44CLBZ3BIVVDRONWS5NGIZ2RXGXKP7/ _______________________________________________ Users mailing list -- [email protected] To unsubscribe send an email to [email protected] Privacy Statement: https://www.ovirt.org/privacy-policy.html oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/[email protected]/message/CKJXR42GAFCHZNU77RSXXAFPHDSFQMUB/
