Strahil,

Once Again Thank You For Your Help !

On Tue, Sep 29, 2020 at 11:29 AM Strahil Nikolov <hunter86...@yahoo.com>
wrote:

> One important step is to align the XFS to the stripe size * stripe width.
> Don't miss it or you might have issues.
>
> Details can be found at:
> https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.5/html-single/administration_guide/index#sect-Disk_Configuration
>
> Best Regards,
> Strahil Nikolov
>
>
>
>
>
>
> В вторник, 29 септември 2020 г., 16:36:10 Гринуич+3, C Williams <
> cwilliams3...@gmail.com> написа:
>
>
>
>
>
> Hello,
>
> We have decided to get a 6th server for the install. I hope to set up a
> 2x3 Distributed replica 3 .
>
> So we are not going to worry about the "5 server" situation.
>
> Thank You All For Your Help !!
>
> On Mon, Sep 28, 2020 at 5:53 PM C Williams <cwilliams3...@gmail.com>
> wrote:
> > Hello,
> >
> > More questions on this -- since I have 5 servers . Could the following
> work ?   Each server has (1) 3TB RAID 6 partition that I want to use for
> contiguous storage.
> >
> > Mountpoint for RAID 6 partition (3TB)  /brick
> >
> > Server A: VOL1 - Brick 1                                  directory
>  /brick/brick1 (VOL1 Data brick)
>
> > Server B: VOL1 - Brick 2 + VOL2 - Brick 3      directory  /brick/brick2
> (VOL1 Data brick)   /brick/brick3 (VOL2 Arbitrator brick)
> > Server C: VOL1 - Brick 3                                 directory
> /brick/brick3  (VOL1 Data brick)
> > Server D: VOL2 - Brick 1                                 directory
> /brick/brick1  (VOL2 Data brick)
> > Server E  VOL2 - Brick 2                                 directory
> /brick/brick2  (VOL2 Data brick)
> >
> > Questions about this configuration
> > 1.  Is it safe to use a  mount point 2 times ?
> https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.3/html/administration_guide/formatting_and_mounting_bricks#idm139907083110432
> says "Ensure that no more than one brick is created from a single mount."
> In my example I have VOL1 and VOL2 sharing the mountpoint /brick on Server B
> >
> > 2.  Could I start a standard replica3 (VOL1) with 3 data bricks and add
> 2 additional data bricks plus 1 arbitrator brick (VOL2)  to create a
>  distributed-replicate cluster providing ~6TB of contiguous storage ?  .
> >      By contiguous storage I mean that df -h would show ~6 TB disk space.
> >
> > Thank You For Your Help !!
> >
> > On Mon, Sep 28, 2020 at 4:04 PM C Williams <cwilliams3...@gmail.com>
> wrote:
> >> Strahil,
> >>
> >> Thank You For Your Help !
> >>
> >> On Mon, Sep 28, 2020 at 4:01 PM Strahil Nikolov <hunter86...@yahoo.com>
> wrote:
> >>> You can setup your bricks in such way , that each host has at least 1
> brick.
> >>> For example:
> >>> Server A: VOL1 - Brick 1
> >>> Server B: VOL1 - Brick 2 + VOL 3 - Brick 3
> >>> Server C: VOL1 - Brick 3 + VOL 2 - Brick 2
> >>> Server D: VOL2 - brick 1
> >>>
> >>> The most optimal is to find a small system/VM for being an arbiter and
> having a 'replica 3 arbiter 1' volume.
> >>>
> >>> Best Regards,
> >>> Strahil Nikolov
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> В понеделник, 28 септември 2020 г., 20:46:16 Гринуич+3, Jayme <
> jay...@gmail.com> написа:
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> It might be possible to do something similar as described in the
> documentation here:
> https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.4/html/administration_guide/creating_arbitrated_replicated_volumes#sect-Create_Multiple_Arbitrated_Volumes
> -- but I'm not sure if oVirt HCI would support it. You might have to roll
> out your own GlusterFS storage solution. Someone with more Gluster/HCI
> knowledge might know better.
> >>>
> >>> On Mon, Sep 28, 2020 at 1:26 PM C Williams <cwilliams3...@gmail.com>
> wrote:
> >>>> Jayme,
> >>>>
> >>>> Thank for getting back with me !
> >>>>
> >>>> If I wanted to be wasteful with storage, could I start with an
> initial replica 2 + arbiter and then add 2 bricks to the volume ? Could the
> arbiter solve split-brains for 4 bricks ?
> >>>>
> >>>> Thank You For Your Help !
> >>>>
> >>>> On Mon, Sep 28, 2020 at 12:05 PM Jayme <jay...@gmail.com> wrote:
> >>>>> You can only do HCI in multiple's of 3. You could do a 3 server HCI
> setup and add the other two servers as compute nodes or you could add a 6th
> server and expand HCI across all 6
> >>>>>
> >>>>> On Mon, Sep 28, 2020 at 12:28 PM C Williams <cwilliams3...@gmail.com>
> wrote:
> >>>>>> Hello,
> >>>>>>
> >>>>>> We recently received 5 servers. All have about 3 TB of storage.
> >>>>>>
> >>>>>> I want to deploy an oVirt HCI using as much of my storage and
> compute resources as possible.
> >>>>>>
> >>>>>> Would oVirt support a "replica 5" HCI (Compute/Gluster) cluster ?
> >>>>>>
> >>>>>> I have deployed replica 3s and know about replica 2 + arbiter --
> but an arbiter would not be applicable here -- since I have equal storage
> on all of the planned bricks.
> >>>>>>
> >>>>>> Thank You For Your Help !!
> >>>>>>
> >>>>>> C Williams
> >>>>>> _______________________________________________
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> >>>>>>
> >>>>>
> >>>>
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> >>
> >
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