rbd的常用命令使用。

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4 S% u! J/ v& l5 y8 {命令名称                        命令
" F6 s* G$ E: R7 d5 ?: Q- r# x1 V查询存储池下的卷        rbd ls <pool>
6 _3 u8 N; r3 _9 p; ~& L查询卷的信息         rbd info <pool>/<image>
创建卷        rbd create <pool>/<image>  --size <MB>
4 B8 _1 ?1 D, E! G卷拷贝        rbd cp <pool1>/<image1>  <pool2>/<image2>
: f7 s- N9 q) C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>
$ E  O$ c5 b0 \1 T8 \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>
- k( }. i' l$ m, `0 y6 ^/ ?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>
6 o2 p3 R9 H+ H查询快照        rbd ls <pool>/<image>
& u5 W$ }( c+ O0 ]# R; ~. C! d  @导出快照        rbd export-diff  <pool>/<image>@<snap_v1>  testimage_v1
) k2 [) l/ i" b6 o" s导入快照        rbd import-diff   testimage_v1  <pool>/<image>
& t6 g- G! o: M7 j/ I! h& A导出两个快照的差异        rbd export-diff  <pool>/<image>@<snap_v2> --from-snap <snap_v1> testimage_v1_v2
0 ^; Z7 R5 Y* y; x) @3 J为卷添加锁 rbd lock add <pool>/<image>
* |: w" {; w, T( R+ z查看锁        rbd lock ls <pool>/<image>
! A3 w4 N) ?( @- b5 J删除锁        rbd lock rm <pool>/<image>
" Z' @( ?* c! k: W, f检查卷的object-map        rbd object-map check <pool>/<image>
9 F8 W" R+ S4 u! n' a- A1 @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>
4 F6 @. g; p; _! e6 S: z" E5 S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>
* F% D) |7 k; f/ g, L卷迁移        rbd  migration execute <pool>/<image>
5 v, i1 G; ^# X: _  L2 N卷迁移提交        rbd migration commit <pool>/<image>
' R* r* w# p4 U% C比较两个卷的不同        rbd diff <pool1>/<image1> <pool2>/<image2>
% C* W6 H1 D( c( n1 z2 ?4 |查看卷的状态        rbd status-get-image <pool>/<image>
查看快照        rbd status-get-snapshot <pool>/<image>@<snap>
" W- j# E& E9 ^7 Q8 d查看卷的容量        rbd status-get-usage <pool>/<image>
+ t7 D$ r# M& [% z) C+ d查看rbd版本        rbd status-get-version <pool>
5 F' s$ t- J. D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>
& B' }8 @, x( w. Z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"
' a8 t) e6 l* B5 s% R查看卷的watcher信息        rados listwatchers -p pool1 rbd_header.2cc1b06b8b4567