rbd的常用命令使用。

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% U# V4 h  f; [, ^) |( X4 x) U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>
4 E& _# E& _. h7 u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>
/ p% k2 [" ^& @删除卷        rbd rm  <pool>/<image>
导出卷        rbd export <image> <path>
& X/ o8 n2 Z( Z' T查看快照        rbd snap ls <pool>/<image>
创建快照        rbd snap create <pool>/<image>@<snap>
, f: Q4 o+ a& v) v* f$ ~快照回滚        rbd snap rollback <pool>/<image>@<snap>
9 ^7 B4 c! [: V快照保护        rbd snap protect <pool>/<image>@<snap>
取消保护        rbd snap unprotect <pool>/<image>@<snap>
- a  g! r# |" p+ B" P* I% v; M删除快照        rbd snap rm <pool>/<image>@<snap>
& h' y. S) T' i2 R$ H+ J; O8 d+ [查询快照        rbd ls <pool>/<image>
: X8 _4 w3 _7 M( n2 s7 O4 I& [! ]导出快照        rbd export-diff  <pool>/<image>@<snap_v1>  testimage_v1
6 M$ M$ y: i- M+ F" X( K/ S' H  ?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>
/ I# O7 S6 w+ g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>
8 |2 w7 w9 D& n9 v6 f- u重构卷的object-map        rbd object-map rebuild <pool>/<image>
创建克隆卷        rbd clone <pool>/<image>@<snap> <pool>/<clone>
# u% Q* }1 ~9 ?% Q克隆卷去除依赖        rbd flatten <pool>/<clone>
& {8 q. s  x3 K( F4 H) t, B. c显示克隆卷        rbd children <pool>/<image>
- H7 k7 g9 |, y- b禁用特性        rbd feature disable <pool>/<image>
( J7 K& @/ Q; k0 a: h! E取消禁用特性        rbd feature enable <pool>/<image>
' B9 `1 U2 ^+ m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>
0 r# R' u- n# w/ R2 |) D查看卷的容量        rbd status-get-usage <pool>/<image>
1 p; C% x& }' B2 H" Y4 p% M查看rbd版本        rbd status-get-version <pool>
' W. A1 a, z! |5 J9 s7 j查看所有卷的信息        rbd status-list-images <pool>
5 E4 c1 j( O8 ]3 T- M查看所有快照的状态        rbd status-list-snapshots <pool>
1 I/ v* Z, a- n( k& ]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>
9 y0 @7 ]$ \! G& t# E- K# q4 E将卷移动到垃圾箱        rbd trash mv <pool>/<image>
# ^2 \" t; K3 F删除过期的卷        rbd trash purge <pool>
删除垃圾箱指定的卷        rbd trash rm <pool>/<image>
8 E5 N: X7 j$ W/ o' q) i+ C' t$ q从垃圾箱中恢复卷        rbd trash restore <pool>/<image>
( Q9 O  x$ R$ h( f& F5 T写入数据        rbd bench --io-type write --io-total 10TB --io-threads 2 --io-pattern rand <pool>/<image>
: Q/ I, k3 \  u6 @, r1 E5 Y查看QoS        rbd qos get <pool>/<image>
; S+ o' x8 P5 H设置QoS        rbd qos set <pool>/<image> "500" "500" "-1" "-1"
: @( `& Z# l1 Z1 R, m查看卷的watcher信息        rados listwatchers -p pool1 rbd_header.2cc1b06b8b4567

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