Re: Filestore to Bluestore migration question

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This is becoming even more confusing. I got rid of those ceph-disk@6[0-9].service (which had been symlinked to /dev/null).  Moved /var/lib/ceph/osd/ceph-6[0-9] to  /var/...../osd_old/.  Then, I ran  `ceph-volume lvm activate --all`.  I got once again

root@osd1:~# ceph-volume lvm activate --all
--> Activating OSD ID 67 FSID 17cd6755-76f9-4160-906c-1bf13d09fb3d
Running command: mount -t tmpfs tmpfs /var/lib/ceph/osd/ceph-67
--> Absolute path not found for executable: restorecon
--> Ensure $PATH environment variable contains common executable locations
Running command: ceph-bluestore-tool --cluster=ceph prime-osd-dir --dev /dev/hdd67/data67 --path /var/lib/ceph/osd/ceph-67
 stderr: failed to read label for /dev/hdd67/data67: (2) No such file or directory
-->  RuntimeError: command returned non-zero exit status: 1

But when I ran `df` and `mount` ceph-67 is the only one that exists. (and in  /var/lib/ceph/osd/) 

root@osd1:~# df -h | grep ceph-6
tmpfs           126G     0  126G   0% /var/lib/ceph/osd/ceph-67

root@osd1:~# mount | grep ceph-6
tmpfs on /var/lib/ceph/osd/ceph-67 type tmpfs (rw,relatime)

root@osd1:~# ls /var/lib/ceph/osd/ | grep ceph-6
ceph-67

But in I cannot restart any of these 10 daemons (`systemctl start ceph-osd@6[0-9]`).

I am wondering if I should zap these 10 osds and start over although at this point I am afraid even zapping may not be a simple task....



On Tue, Nov 6, 2018 at 3:44 PM, Hector Martin <hector@xxxxxxxxxxxxxx> wrote:
On 11/7/18 5:27 AM, Hayashida, Mami wrote:
> 1. Stopped osd.60-69:  no problem
> 2. Skipped this and went to #3 to check first
> 3. Here, `find /etc/systemd/system | grep ceph-volume` returned
> nothing.  I see in that directory 
>
> /etc/systemd/system/ceph-disk@60.service    # and 61 - 69. 
>
> No ceph-volume entries.

Get rid of those, they also shouldn't be there. Then `systemctl
daemon-reload` and continue, see if you get into a good state. basically
feel free to nuke anything in there related to OSD 60-69, since whatever
is needed should be taken care of by the ceph-volume activation.


--
Hector Martin (hector@xxxxxxxxxxxxxx)
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@xxxxxxx
(859)323-7521
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