[ ERROR 장애발생 ]

[root@loccalhost ~ ]# ceph-deploy osd activate osd-2:sda1
.
.
[osd-0][WARNIN] ceph_disk.main.Error: Error: ['ceph-osd', '--cluster', 'ceph', '--mkfs', '--mkkey', '-i', u'1', '--monmap', '/var/lib/ceph/tmp/mnt.l7bamu/activate.monmap', '--osd-data', '/var/lib/ceph/tmp/mnt.l7bamu', '--osd-journal', '/var/lib/ceph/tmp/mnt.l7bamu/journal', '--osd-uuid', u'a53f54e6-6dcb-4ed1-bfcf-3500e5ac5968', '--keyring', '/var/lib/ceph/tmp/mnt.l7bamu/keyring', '--setuser', 'ceph', '--setgroup', 'ceph'] failed : 2018-04-18 16:13:17.313958 7f65fcbe1800 -1 filestore(/var/lib/ceph/tmp/mnt.l7bamu) mkjournal error creating journal on /var/lib/ceph/tmp/mnt.l7bamu/journal: (13) Permission denied
[osd-0][WARNIN] 2018-04-18 16:13:17.313972 7f65fcbe1800 -1 OSD::mkfs: ObjectStore::mkfs failed with error -13
[osd-0][WARNIN] 2018-04-18 16:13:17.314012 7f65fcbe1800 -1  ** ERROR: error creating empty object store in /var/lib/ceph/tmp/mnt.l7bamu: (13) Permission denied
[osd-0][WARNIN] 
[osd-0][ERROR ] RuntimeError: command returned non-zero exit status: 1
[ceph_deploy][ERROR ] RuntimeError: Failed to execute command: /usr/sbin/ceph-disk -v activate --mark-init systemd --mount /dev/sda1

[ device 장치 확인 및 조치 ]


[ 정상 ]
[root@osd-1 ~]# ll /dev/sda*
brw-rw---- 1 root disk 8, 0  4월 18 16:41 /dev/sda
brw-rw---- 1 ceph ceph 8, 1  4월 18 16:41 /dev/sda1
brw-rw---- 1 ceph ceph 8, 2  4월 18 16:41 /dev/sda2

[ 장애 ]
[root@osd-2 ~]# ll /dev/sda*
brw-rw---- 1 root disk 8, 0  4월 18 16:06 /dev/sda
brw-rw---- 1 root disk 8, 1  4월 18 16:06 /dev/sda1
brw-rw---- 1 root disk 8, 2  4월 18 16:06 /dev/sda2


[ 해결 ]
[root@osd-2 ~]# chown ceph:ceph /dev/sda1
[root@osd-2 ~]# chown ceph:ceph /dev/sda2

또는

[root@osd-2 ~]# reboot
* 리부팅 후 해당 디바이스가 ceph:ceph 로 변경 됩니다.