23 Mar
2023
23 Mar
'23
8:57 a.m.
I made some tests with a virtual environment, mons, mds and OSDs. The OSDs
were 3 VMs with 3 disks each.
Now I'm testing Ceph Quincy on AlmaLinux9 without problems in a test
environment. I'm using VMs for mons (3) and mds(2) but the OSDs (8) are all
physical nodes with 24 HDD.
The installation worked out of the box using the Ceph orchestrator and a
production cluster is in our roadmap. If all our tests are successful, we
will install this new cluster on Alma9.
Regards!
On Mon, Mar 20, 2023 at 12:37 PM Michael Lipp <mnl(a)mnl.de> wrote:
Has anyone used almalinux 9 to install ceph. Have
you encountered
problems? Other tips on this installation are also welcome.
I have installed Ceph on AlmaLinux 9.1 (both Ceph and later Ceph/Rook)
on a three node VM cluster and then a three node bare metal cluster
(with 4 OSDs each) without any problems. (Rook based required some
research but there were no problems -- see
https://github.com/mnlipp/kubernetes-experience .)
Mind that this is, obviously, a small cluster and although the bare
metal cluster is eventually intended for production, it has not
thoroughly been tested yet. But installation went smoothly and I think
that any problems that I might encounter in the future would occur with
any OS. What really has surprised me is the resilience. Especially when
experimenting with the VM-based cluster I have brought nodes down in a
"power off" way several times (not because of problems with Ceph but
because of k8s configuration changes) and my file systems have recovered
every time.
- Michael
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