rbd的常用命令使用。

admin

命令名称                        命令
; w# T3 h! \8 R, ~3 S5 j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>
% _+ n6 ?6 g! p: h1 j卷拷贝        rbd cp <pool1>/<image1>  <pool2>/<image2>
% F1 |0 S  i3 ~4 ^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>
2 l9 H3 P& D$ ]7 z  |$ N删除卷        rbd rm  <pool>/<image>
( o8 Y1 b3 B' i+ Z5 i9 K6 x" K+ T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>
" ^+ b" i  `+ a8 y1 I5 y快照回滚        rbd snap rollback <pool>/<image>@<snap>
快照保护        rbd snap protect <pool>/<image>@<snap>
4 Z% m" A# M9 L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>
: e; {5 z" I4 A- Y/ \5 A0 ]. j删除锁        rbd lock rm <pool>/<image>
检查卷的object-map        rbd object-map check <pool>/<image>
. u" F, _* |! H/ J2 ?; t$ M重构卷的object-map        rbd object-map rebuild <pool>/<image>
创建克隆卷        rbd clone <pool>/<image>@<snap> <pool>/<clone>
+ }$ @1 \3 m$ ^2 P- D克隆卷去除依赖        rbd flatten <pool>/<clone>
0 }- H2 K# {* ?4 _) E显示克隆卷        rbd children <pool>/<image>
, A7 }2 D" B) R$ R7 t9 o# s* j) C禁用特性        rbd feature disable <pool>/<image>
取消禁用特性        rbd feature enable <pool>/<image>
! r' G) Q- ~% J& |: a3 Y0 y+ l卷准备迁移        rbd migration prepare <pool1>/<image1> <pool2>/<image2>
卷迁移        rbd  migration execute <pool>/<image>
$ e; z. N( V' M  s* n卷迁移提交        rbd migration commit <pool>/<image>
- L7 Y* Y+ l9 `, r$ q; w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>
# D" u) @6 p* E8 r; `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>
" D8 T" ^. f* f" _' s查看所有卷的信息        rbd status-list-images <pool>
& p) J, E2 J! t查看所有快照的状态        rbd status-list-snapshots <pool>
" f) w) Q, X+ Z- Z# n1 T% z" q查看所有卷的已用容量        rbd status-list-usages <pool>
9 q* V- `) E& |0 }显示垃圾箱的卷        rbd trash ls <pool>
1 h" E! i5 L* Q+ H& ^( F7 H! d. j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>
: Q) k( N" @6 o# i0 e  v. K6 Y  q从垃圾箱中恢复卷        rbd trash restore <pool>/<image>
" W  \* v0 v/ f3 O9 B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>
- `: k- r4 W# F- p3 ?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



/ u7 `. @8 e8 |" D, Q% ?& {/ k' d