Showing extra OSD

ChrisJM

Active Member
Mar 12, 2018
50
1
28
38
Hello.

We have had some issues with some SSD disks and have had to remove a OSD and replace the disk then add it back in.

we have 3 nodes each with 3 OSD's = 9 in total but it is showing 10 and 1 out.

https://screenshots.firefox.com/AmNplUlnrAA58S9D/10.9.0.195

45f2f061-7b0a-4557-b272-c16d5bc0b376.png


Any ideas why that might be? or how to remove it - it is also stuck on active + clean where as it never used to be.
 
Check all OSD services on the nodes, eventually you can find it this way.
 
found it

Code:
root@INETC1083:~# ceph osd tree
ID CLASS WEIGHT  TYPE NAME          STATUS REWEIGHT PRI-AFF
-1       8.18633 root default
-3       2.72878     host INETC1083
 1   ssd 0.90959         osd.1          up  1.00000 1.00000
 6   ssd 0.90959         osd.6          up  1.00000 1.00000
 7   ssd 0.90959         osd.7          up  1.00000 1.00000
-5       2.72878     host INETC1084
 2   ssd 0.90959         osd.2          up  1.00000 1.00000
 3   ssd 0.90959         osd.3          up  1.00000 1.00000
 8   ssd 0.90959         osd.8          up  1.00000 1.00000
-7       2.72878     host INETC1085
 4   ssd 0.90959         osd.4          up  1.00000 1.00000
 5   ssd 0.90959         osd.5          up  1.00000 1.00000
 9   ssd 0.90959         osd.9          up  1.00000 1.00000
 0             0 osd.0                down        0 1.00000

0 0 osd.0 down 0 1.00000

So how would i go about removing it. would this command work

pveceph osd destroy 0
 
So how would i go about removing it. would this command work
pveceph osd destroy 0
If it doesn't than you need to use the ceph tools.
Code:
ceph osd rm osd.0
ceph osd crush rm osd.0
ceph auth del osd.0
 

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