Ceph更多Mon 更多mds
1、当前状态watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdWpfbW9zcXVpdG8=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="">
2、在172.10.2.172(node2)再加入一个mon（mon.node2）
ssh node2
vim /etc/ceph/ceph.conf 加入mon.node2的相关配置
ceph-authtool /tmp/ceph.mon.keyring --import-keyring /etc/ceph/ceph.client.admin.keyring
monmaptool --create --add node1 172.10.2.172 --fsid e3de7f45-c883-4e2c-a26b-210001a7f3c2 /tmp/monmap
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、在172.10.2.172(node2)再加入一个mds
vim /etc/ceph/ceph.conf 加入mds.node2的相关配置
/etc/init.d/ceph restart
watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdWpfbW9zcXVpdG8=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="">
查看信息多了一个standby的mds
/etc/init.d/ceph stop mds 关掉一个后还有一个会接管
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附：配置文件
root@node1:/var/lib/ceph/osd# cat /etc/ceph/ceph.conf
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 required = 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
host = node1
mon addr = 172.10.2.171:6789
host = node2
mon addr = 172.10.2.172:6789
host = node1
addr = 172.10.2.171:6789
osd data = /var/lib/ceph/osd/ceph-0
host = node1
addr = 172.10.2.171:6789
osd data = /var/lib/ceph/osd/ceph-1
host = node2
addr = 172.10.2.172:6789
osd data = /var/lib/ceph/osd/ceph-2
host = node2
addr = 172.10.2.172:6789
osd data = /var/lib/ceph/osd/ceph-3
host = node1
host = node2
max mds = 2
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