RBD常用命令

命令名称			命令
查询存储池下的卷	rbd ls <pool>
查询卷的信息 	rbd info <pool>/<image> 
创建卷	rbd create <pool>/<image>  --size <MB> 
卷拷贝	rbd cp <pool1>/<image1>  <pool2>/<image2> 
卷扩容	rbd resize <pool>/<image> --size 20<GB>
卷缩容	rbd resize <pool>/<image> --size 10<GB> --allow-shrink
查询快照	rbd children <snap>
修改卷	rbd resize --size <MB> <image>
删除卷	rbd rm  <pool>/<image>
导出卷	rbd export <image> <path>
查看快照	rbd snap ls <pool>/<image>
创建快照	rbd snap create <pool>/<image>@<snap>
快照回滚	rbd snap rollback <pool>/<image>@<snap>
快照保护	rbd snap protect <pool>/<image>@<snap>
取消保护	rbd snap unprotect <pool>/<image>@<snap>
删除快照	rbd snap rm <pool>/<image>@<snap>
查询快照	rbd ls <pool>/<image>
导出快照	rbd export-diff  <pool>/<image>@<snap_v1>  testimage_v1
导入快照	rbd import-diff   testimage_v1  <pool>/<image>
导出两个快照的差异	rbd export-diff  <pool>/<image>@<snap_v2> --from-snap <snap_v1> testimage_v1_v2
为卷添加锁 rbd lock add <pool>/<image>
查看锁	rbd lock ls <pool>/<image>
删除锁	rbd lock rm <pool>/<image>
检查卷的object-map	rbd object-map check <pool>/<image>
重构卷的object-map	rbd object-map rebuild <pool>/<image>
创建克隆卷	rbd clone <pool>/<image>@<snap> <pool>/<clone>
克隆卷去除依赖	rbd flatten <pool>/<clone>
显示克隆卷	rbd children <pool>/<image>
禁用特性	rbd feature disable <pool>/<image>
取消禁用特性	rbd feature enable <pool>/<image>
卷准备迁移	rbd migration prepare <pool1>/<image1> <pool2>/<image2>
卷迁移	rbd  migration execute <pool>/<image>
卷迁移提交	rbd migration commit <pool>/<image>
比较两个卷的不同	rbd diff <pool1>/<image1> <pool2>/<image2>
查看卷的状态	rbd status-get-image <pool>/<image>
查看快照	rbd status-get-snapshot <pool>/<image>@<snap>
查看卷的容量	rbd status-get-usage <pool>/<image>
查看rbd版本	rbd status-get-version <pool>
查看所有卷的信息	rbd status-list-images <pool>
查看所有快照的状态	rbd status-list-snapshots <pool>
查看所有卷的已用容量	rbd status-list-usages <pool>
显示垃圾箱的卷	rbd trash ls <pool>
将卷移动到垃圾箱	rbd trash mv <pool>/<image>
删除过期的卷	rbd trash purge <pool>
删除垃圾箱指定的卷	rbd trash rm <pool>/<image>
从垃圾箱中恢复卷	rbd trash restore <pool>/<image>
写入数据	rbd bench --io-type write --io-total 10TB --io-threads 2 --io-pattern rand <pool>/<image>
查看QoS	rbd qos get <pool>/<image>
设置QoS	rbd qos set <pool>/<image> "500" "500" "-1" "-1" 
查看卷的watcher信息	rados listwatchers -p pool1 rbd_header.2cc1b06b8b4567