[ceph-users] Filestore to Bluestore migration question

Hector Martin hector at marcansoft.com
Mon Nov 5 20:23:34 PST 2018


On 11/6/18 6:03 AM, Hayashida, Mami wrote:
> WOW.  With you two guiding me through every step, the 10 OSDs in
> question are now added back to the cluster as Bluestore disks!!!  Here
> are my responses to the last email from Hector:
> 
> 1. I first checked the permissions and they looked like this
> 
> root at osd1:/var/lib/ceph/osd/ceph-60# ls -l
> total 56
> -rw-r--r-- 1 ceph ceph         384 Nov  2 16:20 activate.monmap
> -rw-r--r-- 1 ceph ceph 10737418240 Nov  2 16:20 block
> lrwxrwxrwx 1 ceph ceph          14 Nov  2 16:20 block.db -> /dev/ssd0/db60

Wait.

That's not right, is it? That's a 10GB raw file being used as a
BlueStore block device. It should be a symlink to an LVM volume, not a file.

Can you check the `block` files/symlinks again for all the OSDs and also
what is mounted on the OSD directories? It should be tmpfs directories
with symlinks to block devices. I'm not sure what happened there.

-- 
Hector Martin (hector at marcansoft.com)
Public Key: https://mrcn.st/pub


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