How to zap Ceph osd disk with dmcrypt
Issue
- Run "ceph-disk zap" command failed with dmcrypt osd disk:
[root@osd1 ~]# ceph-disk zap /dev/sdb
wipefs: error: /dev/sdb1: probing initialization failed: Device or resource busy
ceph-disk: Error: Command '['/usr/sbin/wipefs', '--all', '/dev/sdb1']' returned non-zero exit status 1
[root@osd1 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
fd0 2:0 1 4K 0 disk
sda 8:0 0 200G 0 disk
├─sda1 8:1 0 500M 0 part /boot
└─sda2 8:2 0 199.5G 0 part
├─rhel-root 253:0 0 178.5G 0 lvm /
├─rhel-swap 253:1 0 16G 0 lvm [SWAP]
└─rhel-home 253:2 0 5G 0 lvm /home
sdb 8:16 0 300G 0 disk
├─sdb1 8:17 0 100M 0 part
│ └─8e5718f0-cf3d-437e-b1e6-7405f6d2460c
253:4 0 98M 0 crypt
├─sdb2 8:18 0 299.9G 0 part
│ └─5b0cd23b-9f5e-4598-816b-0b87aa600a4d
253:3 0 299.9G 0 crypt
└─sdb5 8:21 0 10M 0 part
- How to zap Ceph osd disk with dmcrypt
Environment
- RedHat Ceph Storage 3.x
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