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ceph cheat sheet
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| ceph-deploy disk list ceph-server-01 -> To list the disks on a node | |
| ceph-deploy disk zap osdserver1:sdb -> zap a disk (delete its partition table) in preparation for use with Ceph | |
| #Prepare OSDs | |
| ceph-deploy osd prepare osdserver1:sdb:/dev/ssd | |
| ceph-deploy osd prepare osdserver1:sdc:/dev/ssd | |
| #Activate OSDs | |
| ceph-deploy osd activate osdserver1:/dev/sdb1:/dev/ssd1 | |
| ceph-deploy osd activate osdserver1:/dev/sdc1:/dev/ssd2 | |
| #Create OSDs | |
| ceph-deploy osd create osdserver1:sdb:/dev/ssd1 | |
| #Interactive Mode | |
| ceph | |
| ceph> health | |
| ceph> status | |
| ceph> quorum_status | |
| ceph> mon_status | |
| ceph health -> Checking Cluster Health | |
| ceph -w -> watch the cluster’s ongoing events | |
| ceph -s -> check a cluster’s status | |
| ceph df ->check a cluster’s data usage and data distribution among pools | |
| ceph osd stat -> check OSDs | |
| ceph osd dump | |
| ceph osd tree | |
| ceph osd out {osd-num} | |
| #Removing the OSD | |
| ceph osd crush remove {name} | |
| ceph auth del osd.{osd-num} | |
| ceph mon stat | |
| ceph mon dump | |
| ceph quorum_status | |
| ceph mds stat | |
| ceph mds dump | |
| ceph osd lspools-> list cluster’s pools |
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