[ceph-users] Filestore to Bluestore migration question

Hayashida, Mami mami.hayashida at uky.edu
Tue Nov 6 08:00:34 PST 2018


I see.  Thank you for clarifying lots of things along the way -- this has
been extremely helpful.   Neither "df | grep osd" nor "mount | grep osd"
shows ceph-60 through 69.

On Tue, Nov 6, 2018 at 10:57 AM, Hector Martin <hector at marcansoft.com>
wrote:

>
>
> On 11/7/18 12:48 AM, Hayashida, Mami wrote:
> > All other OSDs that I converted (#60-69) look basically identical while
> > the Filestore OSDs (/var/lib/ceph/osd/ceph-70 etc.) look different
> > obviously.  When I run "df" it does NOT list those converted osds (only
> > the Filestore ones).  In other words, /dev/sdh1 where osd.60 should be
> > is not listed.  (Should it be?)  Neither does mount lists that drive.
> >  ("df | grep sdh" and "mount | grep sdh" both return nothing)
>
> /dev/sdh1 no longer exists. Remember, we converted the drives to be LVM
> physical volumes. There are no partitions any more. It's all in an LVM
> volume backed by /dev/sdh (without the 1).
>
> What *should* be mounted at the OSD paths are tmpfs filesystems, i.e.
> ramdisks. Those would not reference sdh so of course those commands will
> return nothing. Try "df | grep osd" and "mount | grep osd" instead and
> see if ceph-60 through ceph-69 show up.
>
> --
> Hector Martin (hector at marcansoft.com)
> Public Key: https://mrcn.st/pub
>



-- 
*Mami Hayashida*

*Research Computing Associate*
Research Computing Infrastructure
University of Kentucky Information Technology Services
301 Rose Street | 102 James F. Hardymon Building
Lexington, KY 40506-0495
mami.hayashida at uky.edu
(859)323-7521
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