[ovirt-users] Re: Number of data bricks per oVirt HCI host

Thanks Strahil ! More questions may follow. Thanks Again For Your Help ! On Wed, Oct 14, 2020 at 12:29 AM Strahil Nikolov <hunter86_bg(a)yahoo.com&gt; wrote: > Imagine you got a host with 60 Spinning Disks -> I would recommend you to > split it to 10/12 disk groups and these groups will represent several > bricks (6/5). > > Keep in mind that when you start using many (some articles state hundreds > , but no exact number was given) bricks , you should consider brick > multiplexing (cluster.brick-multiplex). > > So, you can use as many bricks you want , but each brick requires cpu > time (separate thread) , tcp port number and memory. > > In my setup I use multiple bricks in order to spread the load via LACP > over several small (1GBE) NICs. > > > The only "limitation" is to have your data on separate hosts , so when > you create the volume it is extremely advisable that you follow this model: > > hostA:/path/to/brick > hostB:/path/to/brick > hostC:/path/to/brick > hostA:/path/to/brick2 > hostB:/path/to/brick2 > hostC:/path/to/brick2 > > In JBOD mode, Red Hat support only 'replica 3' volumes - just to keep > that in mind. > > From my perspective , JBOD is suitable for NVMEs/SSDs while spinning > disks should be in a raid of some type (maybe RAID10 for perf). > > > Best Regards, > Strahil Nikolov > > > > > > > В сряда, 14 октомври 2020 г., 06:34:17 Гринуич+3, C Williams < > cwilliams3320(a)gmail.com&gt; написа: > > > > > > Hello, > > I am getting some questions from others on my team. > > I have some hosts that could provide up to 6 JBOD disks for oVirt data > (not arbiter) bricks > > Would this be workable / advisable ? I'm under the impression there > should not be more than 1 data brick per HCI host . > > Please correct me if I'm wrong. > > Thank You For Your Help ! > > > _______________________________________________ > Users mailing list -- users(a)ovirt.org > To unsubscribe send an email to users-leave(a)ovirt.org > 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/users@ovirt.org/message/OGZISNFLEG3... >