ceph 添加删除磁盘mon osd mds
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一、删除节点包含(mon osd mds)的节点
1、摘除mon
[[email protected] ~]# ceph mon remove ceph01
removed mon.bgw-os-node153 at 10.240.216.153:6789/0, there are now 2 monitors
2、摘除此节点上所有的osd
1)、查看此节点的osd
[[email protected] ~]# ceph osd tree
-4 1.08 host ceph01
8 0.27 osd.8 up 1
9 0.27 osd.9 up 1
10 0.27 osd.10 up 1
11 0.27 osd.11 up 1
11 0.27 osd.12 up 1
2)、把上面的节点的osd进程停掉
[[email protected] ~]# /etc/init.d/ceph stop osd
=== osd.10 ===
Stopping Ceph osd.10 on ceph01..kill 2251...done
=== osd.9 ===
Stopping Ceph osd.9 on ceph01...kill 2023...kill 2023...done
=== osd.8 ===
Stopping Ceph osd.8 on ceph01 kill 1724...kill 1724...done
=== osd.11 ===
Stopping Ceph osd.8 on ceph01 kill 1724...kill 1724...done
=== osd.12===
Stopping Ceph osd.11 on ceph01...kill 1501...done
3)、再次查看ceph osd状态
[[email protected] ~]# ceph osd tree
-4 1.08 host ceph01
8 0.27 osd.8 down 1
9 0.27 osd.9 down 1
10 0.27 osd.10 down 1
11 0.27 osd.11 down 1
4)、删除所有的osd
[[email protected]ceph01 ~]# ceph osd rm 8
removed osd.8
[[email protected]ceph01 ~]# ceph osd rm 9
removed osd.9
[[email protected]ceph01 ~]# ceph osd rm 10
^[[Aremoved osd.10
[[email protected]ceph01 ~]# ceph osd rm 11
removed osd.11
5)、删除所有osd的crush map
[[email protected]ceph01~]# ceph osd crush rm osd.8
removed item id 8 name ‘osd.8‘ from crush map
[[email protected]ceph01 ~]# ceph osd crush rm osd.9
removed item id 9 name ‘osd.9‘ from crush map
[[email protected]ceph01 ~]# ceph osd crush rm osd.10
[[Aremoved item id 10 name ‘osd.10‘ from crush map
[[email protected]ceph01 ~]# ceph osd crush rm osd.11
removed item id 11 name ‘osd.11‘ from crush map
6)、删除所有osd的认证
[[email protected]ceph01 ~]# ceph auth del osd.8
updated
[[email protected]ceph01~]# ceph auth del osd.9
updated
[[email protected]ceph01 ~]# ceph auth del osd.10
updated
[[email protected]ceph01 ~]# ceph auth del osd.11
updated
7)、在ceph osd tree中删除此机器host的crush map
[[email protected]ceph01 ~]# ceph osd crush rm ceph01
removed item id -4 name ‘ceph01‘ from crush map
8)、卸载所有挂载在osd的硬盘
[[email protected]ceph01 ~]# umount /var/lib/ceph/osd/ceph-8
[[email protected]ceph01 ~]# umount /var/lib/ceph/osd/ceph-9
[[email protected]ceph01 ~]# umount /var/lib/ceph/osd/ceph-10
[[email protected]ceph01 ~]# umount /var/lib/ceph/osd/ceph-11
3、删除掉mds
1、直接关闭此节点的mds进程
[[email protected] ~]# /etc/init.d/ceph stop mds
=== mds.bgw-os-node153 ===
Stopping Ceph mds.ceph01 on ceph013...kill 4981...done
[[email protected]ceph01 ~]#
2、删除此mds的认证
[[email protected]ceph01 ~]# ceph auth del mds.ceph01
updated
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