ceph安装命令罗列

ssh-keygen -t rsa          公钥和私钥生成
ssh-copy-id node4       公钥发送到node4节点

/usr/sbin/ntpdate -u 10.1.1.2  &&hwclock -w

sudo apt-get install ceph-deploy
mkdir /root/demo_cluster
cd /root/demo_clusert

ceph-deploy install democeph2 democeph3 democeph4

ceph-deploy new democeph2 democeph3 democeph4

vi ceph.conf
可参考D:\***\我的文库\ceph\cephconf

ceph-deploy mon create democeph2 democeph3 democeph4

ceph-deploy gatherkeys democeph2
ceph-deploy disk list democeph2 democeph3 democeph4
ceph-deploy osd prepare democeph2:/dev/sdb democeph3:/dev/sdb democeph4:/dev/sdb   #默认日志和数据在同一个盘里，自动划出一块做日志盘

ceph-deploy osd prepare democeph2:/dev/sdb:/path/to/journal #ceph2d 数据盘是sdb,与数据盘对应的日志盘是后面的