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How do I find the physical disk in a Ceph luminous cluster in order to replace it. Osd.9 is down in my cluster which resides on ceph-osd1 host. If I run lsblk -io KNAME,TYPE,SIZE,MODEL,SERIAL I can get the serial numbers of all the physical disks for example
sdb disk 1.8T ST2000DM001-1CH1 Z1E5VLRG But how do I find out which osd is mapped to sdb and so on? When I run df –h I get this [root@ceph-osd1 ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/ceph--osd1-root 19G 1.9G 17G 10% / devtmpfs 48G 0 48G 0% /dev tmpfs 48G 0 48G 0% /dev/shm tmpfs 48G 9.3M 48G 1% /run tmpfs 48G 0 48G 0% /sys/fs/cgroup /dev/sda3 947M 232M 716M 25% /boot tmpfs 48G 24K 48G 1% /var/lib/ceph/osd/ceph-2 tmpfs 48G 24K 48G 1% /var/lib/ceph/osd/ceph-5 tmpfs 48G 24K 48G 1% /var/lib/ceph/osd/ceph-0 tmpfs 48G 24K 48G 1% /var/lib/ceph/osd/ceph-8 tmpfs 48G 24K 48G 1% /var/lib/ceph/osd/ceph-7 tmpfs 48G 24K 48G 1% /var/lib/ceph/osd/ceph-33 tmpfs 48G 24K 48G 1% /var/lib/ceph/osd/ceph-10 tmpfs 48G 24K 48G 1% /var/lib/ceph/osd/ceph-1 tmpfs 48G 24K 48G 1% /var/lib/ceph/osd/ceph-38 tmpfs 48G 24K 48G 1% /var/lib/ceph/osd/ceph-4 tmpfs 48G 24K 48G 1% /var/lib/ceph/osd/ceph-6 tmpfs 9.5G 0 9.5G 0% /run/user/0 Robert Pelletier, IT and Security Specialist Eastern Maine Community College |
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