On 12/4/25 20:56, Tim Holloway wrote:
> Which brings up something I've wondered about for some time. Shouldn't
> it be possible for OSDs to be portable? That is, if a box goes bad, in
> theory I should be able to remove the drive and jack it into a hot-swap
> bay on another server and have that ser
> Apparently those UUIDs aren't as reliable as I thought.
>
> I've had problems with a server box that hosts a ceph VM.
VM?
> Looks like the mobo disk controller is unreliable
Lemme guess, it is an IR / RoC / RAID type? As opposed to JBOB / IT?
If the former and it’s an LSI SKU as most are,
Hi Konstantine,
Perfect!!! it works
Regards, I
--
Ibán Cabrillo Bartolomé
Instituto de Física de Cantabria (IFCA-CSIC)
Santander, Spain
Tel: +34942200969/+34669930421
Responsible for advanced computing service (RSC)
OSDs are absolutely portable. I've moved them around by simply migrating the
journal back into the spinner, moving the drive, pulling the journal back out
and then doing ceph-volume lvm activate all.
/var/lib/ceph/ are all tmpfs mounts generated on boot.
This is for "physical" setups and not c
For administered (container) OSDs, the setup would likely be similar.
If my experience is indicative, the mere presence of an OSD's metadata
directory under /var/lib/ceph/ should be enough to cause ceph to
generate the container.
So all that's necessary is to move the OSD metadata over there
Apparently those UUIDs aren't as reliable as I thought.
I've had problems with a server box that hosts a ceph VM. Looks like the
mobo disk controller is unreliable AND one of the disks passes SMART but
has interface problems. So I moved the disks to an alternate box.
Between relocation and dr
One possibility would be so have ceph simply set aside space on the OSD
and echo the metadata there automatically. Then a mechanism could scan
for un-adopted drives and import as needed. So even a dead host would be
OK as long as the device/LV was still usable. I've migrated non-ceph
LVs, after
When I first migrated to Ceph, my servers were all running CentOS 7,
which I (wrongly) thought could not handle anything above Octopus, and
on top of that, I initially did legacy installs. So in order to run
Pacific and to keep the overall clutter in the physical box
configuration down, I made
