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Installation/de-commisioning
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root@cephmon1:~# ceph osd pool set <POOL> crush_rule <CRUSH-MAP> |
Map osd to physical disk
On a cephmon
- ceph osd tree
- For the output needed
- ceph osd tree | grep down
- ceph osd find osd.XXX
- For the output needed
- ceph osd find osd.XXX | grep host
On the storage node
Find the device
- ceph-volume lvm list
- For the output needed
- ceph-volume lvm list | grep 'osd id\|devices'
Find serial number
smartctl -a <device from above> | grep -i "Serial Number"
Find physical drive bay
Idrac
Use idrac and track the serial number of the disk to which drive bay
Use the OS to trigger disk light if disk is working
- dd if=<device from above> of=/dev/null