On March 8, 2020 5:30:55 PM GMT+02:00, Jayme wrote:
>Ok, this is more strange. The same dd test against my ssd os/boot
>drives
>on oVirt node hosts using the same model drive (only smaller) and same
>h310
>controller (only diff being the os/boot drives are in raid mirror and
>gluster drives are
Ok, this is more strange. The same dd test against my ssd os/boot drives
on oVirt node hosts using the same model drive (only smaller) and same h310
controller (only diff being the os/boot drives are in raid mirror and
gluster drives are passthrough) test completes in <2 seconds in /tmp of
host
Strahil,
I'm starting to think that my problem could be related to the use of perc
H310 mini raid controllers in my oVirt hosts. The os/boot SSDs are raid
mirror but gluster storage is SSDs in passthrough. I've read that the queue
depth of h310 card is very low and can cause performance issues
No worries at all about the length of the email, the details are highly
appreciated. You've given me lots to look into and consider.
On Sat, Mar 7, 2020 at 10:02 AM Strahil Nikolov
wrote:
> On March 7, 2020 1:12:58 PM GMT+02:00, Jayme wrote:
> >Thanks again for the info. You’re probably
On March 7, 2020 1:12:58 PM GMT+02:00, Jayme wrote:
>Thanks again for the info. You’re probably right about the testing
>method.
>Though the reason I’m down this path in the first place is because I’m
>seeing a problem in real world work loads. Many of my vms are used in
>development environments
Thanks again for the info. You’re probably right about the testing method.
Though the reason I’m down this path in the first place is because I’m
seeing a problem in real world work loads. Many of my vms are used in
development environments where working with small files is common such as
npm
On March 7, 2020 1:09:37 AM GMT+02:00, Jayme wrote:
>Strahil,
>
>Thanks for your suggestions. The config is pretty standard HCI setup
>with
>cockpit and hosts are oVirt node. XFS was handled by the deployment
>automatically. The gluster volumes were optimized for virt store.
>
>I tried noop on
Strahil,
Thanks for your suggestions. The config is pretty standard HCI setup with
cockpit and hosts are oVirt node. XFS was handled by the deployment
automatically. The gluster volumes were optimized for virt store.
I tried noop on the SSDs, that made zero difference in the tests I was
running
On March 6, 2020 6:02:03 PM GMT+02:00, Jayme wrote:
>I have 3 server HCI with Gluster replica 3 storage (10GBe and SSD
>disks).
>Small file performance inner-vm is pretty terrible compared to a
>similar
>spec'ed VM using NFS mount (10GBe network, SSD disk)
>
>VM with gluster storage:
>
># dd
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