Re: Ceph OSD not mounting after reboot

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On Sat, Jul 4, 2020 at 1:37 AM Rodrigo Severo - Fábrica
<rodrigo@xxxxxxxxxxxxxxxxxxx> wrote:
>
> Hi,
>
>
> Just rebooted one of my OSD servers after upgrading Ceph from 14.2.9 to
> 14.2.10 and it's OSDs won't come up.
>
> I find the following messages on my log:
>
>    4991 Jul  3 17:24:03 osdserver1-df ceph-osd[1272]: 2020-07-03
> 17:24:03.036 7fcc497f1c00 -1 auth: unable to find a keyring on
> /var/lib/ceph/osd/ceph-6/keyring: (2) No such file or directory
>    4992 Jul  3 17:24:03 osdserver1-df ceph-osd[1272]: 2020-07-03
> 17:24:03.036 7fcc497f1c00 -1 AuthRegistry(0x55e2ff810140) no keyring found
> at /var/lib/ceph/osd/ceph-6/keyring, disabling cephx
>
> and my /var/lib/ceph/osd/ceph-6 directory is empty.
>
> I see that on my other servers these /var/lib/ceph/osd/ceph-? directories
> are tmpfs mounts but I can't understand who is responsible for mounting
> them as there are no entries for them in /etc/fstab.
>
> How can I fix this osd server?

Hi, it is not possible to figure this out based on just the
information that you provided. E.g., how was the OSD initially
provisioned? Was it with "ceph-volume lvm"?

In any case, the following commands (please run as root) would help debugging:

lsblk
lvs -a -o name,lv_tags

-- 
Alexander E. Patrakov
CV: http://pc.cd/PLz7
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