Ceph Multi-Mon mds__ Distributed File system

1. Current status

2. Add a Mon (mon.node2) SSH node2 to 172.10.2.172 (Node2)
vim/etc/ceph/ceph.conf Add Mon.node2 related configuration

Ceph-authtool/tmp/ceph.mon.keyring--import-keyring/etc/ceph/ceph.client.admin.keyring
Monmaptool--create--add node1 172.10.2.172--fsid
Mkdir-p/var/lib/ceph/mon/ceph-node2
Ceph-mon--mkfs-i node2--monmap/tmp/monmap--keyring/tmp/ceph.mon.keyring
Touch/var/lib/ceph/mon/ceph-node2/done
/etc/init.d/ceph start


3. Add an additional MDS vim/etc/ceph/ceph.conf add Mds.node2 configuration in 172.10.2.172 (node2)/etc/init.d/ceph restart
View information One more standby Mds/etc/init.d/ceph stop MDS turn off one after another will take over
Attached: Configuration file root@node1:/var/lib/ceph/osd# cat/etc/ceph/ceph.conf [global] Fsid = 5e3a1bf3-9777-4311-a308-67a8c4b8fece Mon Initial Members = Node1 Mon host = 172.10.2.171 public network = 172.10.2.0/24 Auth cluster required = None Auth Service r equired = None Auth client required = none OSD Journal size = 1024 Filestore xattr Use OMAP = True OSD Pool Default size = 2 OSD Pool default min size = 1 OSD Pool default PG num = 128 OSD pool default PGP num = 128 OSD Crush Chooseleaf type = 1
[Mon.node1] host = node1 Mon addr = 172.10.2.171:6789
[Mon.node2] host = node2 Mon addr = 172.10.2.172:6789
[osd.0] host = Node1 addr = 172.10.2.171:6789 OSD data =/var/lib/ceph/osd/ceph-0
[Osd.1] host = Node1 addr = 172.10.2.171:6789 OSD data =/var/lib/ceph/osd/ceph-1
[Osd.2] host = Node2 addr = 172.10.2.172:6789 OSD data =/var/lib/ceph/osd/ceph-2
[Osd.3] host = Node2 addr = 172.10.2.172:6789 OSD data =/var/lib/ceph/osd/ceph-3
[Mds.node1] host = Node1
[Mds.node2] host = Node2
[MDS] Max MDS = 2