[ovirt-users] Re: up and running with ovirt 4.2 and gluster

On Mon, Jul 30, 2018 at 7:09 PM, Jayme <jaymef(a)gmail.com&gt; wrote: > Hello, > > Thanks for the feedback. I don't "need" to create only one data domain, > I'm more or less trying to confirm whether or not it is proper to configure > multiple data domains or if I was mis-understanding the setup procedure. > > So if I am correct, you are saying that if I have 2 JBOD storage devices > in each host that best practice is for each of those to have its own data > volume? > > Like this for example: > > ENGINE = SDA (device 1) = 100gb > DATA = SDB (device 2) = 2000gb > VMSTORE = SDA (device 1) = 500gb > DATA2 = SDA (device 1) = 1100gb > > That would allocate all the space available on both of my drives (2x2tb) > and create two data volumes, a 2TB one on SDB device and a 1.1TB on SDA > device. SDA device would also be used for engine and vmstore volumes. Is > this correct configuration for two JBOD devices per host? > Looks good. I'm assuming you're using VMStore to host ISOs and not VM OS disks? > On Mon, Jul 30, 2018 at 10:31 AM, Sahina Bose <sabose(a)redhat.com&gt; wrote: > >> >> >> On Mon, Jul 30, 2018 at 6:46 PM, Jayme <jaymef(a)gmail.com&gt; wrote: >> >>> It's nice to know someone else out there has these questions as well. >>> What I'd really like confirmation on is basically this: In a JBOD oVirt >>> HCI configuration with multiple disk devices per host node is it possible >>> to have just one data volume or is it necessary to create multiple data >>> volumes (one or more per each physical disk you want to store vm data on)? >>> Meaning if I had 4 JBOD disks in each node and I wanted VM data to be >>> stored and accessed on all 4 would I need to create 4 different data >>> volumes (one per disk). And if so would they have to have unique names and >>> brick dirs/mount points? >>> >> >> The guideline is to create 1 brick per device and this is what the >> Cockpit UI implements. When you group together all 4 JBOD disks to form 1 >> brick - you're essentially setting up 1 large brick without any hardware >> RAID protection for the disks. Any 1 of the disk failure would cause the >> entire brick to be unavailable and would require healing the whole brick. >> So if you had 4 1TB disks, you would end up creating a 4TB brick which >> needs healing - not the best of scenarios. >> >> Why do you need to create 1 data storage domain instead of multiple? >> >> >>> - James >>> >>> >>> On Mon, Jul 30, 2018 at 10:09 AM, <william.dossett(a)gmail.com&gt; wrote: >>> >>>> Hi James... I'm in sort of the same position... I have 6 JBOD drives >>>> in each node. I am unsure if I am going to wind up with 6 data stores. I >>>> have 5 nodes and have other problems related to when I add those nodes >>>> further complicating the gluster issue. Hopefully someone can help clear >>>> this up as its the last hurdle I face before starting to actually put work >>>> loads on this and connecting it into our ManageIQ environment. >>>> _______________________________________________ >>>> Users mailing list -- users(a)ovirt.org >>>> To unsubscribe send an email to users-leave(a)ovirt.org >>>> Privacy Statement: https://www.ovirt.org/site/privacy-policy/ >>>> oVirt Code of Conduct: https://www.ovirt.org/communit >>>> y/about/community-guidelines/ >>>> List Archives: https://lists.ovirt.org/archiv >>>> es/list/users(a)ovirt.org/message/VX5CRCDEF4XJBT5LP3VQ6QULSOYX3UTR/ >>>> >>> >>> >>> _______________________________________________ >>> Users mailing list -- users(a)ovirt.org >>> To unsubscribe send an email to users-leave(a)ovirt.org >>> Privacy Statement: https://www.ovirt.org/site/privacy-policy/ >>> oVirt Code of Conduct: https://www.ovirt.org/communit >>> y/about/community-guidelines/ >>> List Archives: https://lists.ovirt.org/archiv >>> es/list/users(a)ovirt.org/message/7BVDT2OKDZKRYQAFSLRDJK6RIWAFH7GG/ >>> >>> >> >