ceph维护命令小结(基于jewel版)

ceph osd pool 操作小计

#列出所有pool

root@ceph:~# ceph osd pool ls [detail]

#新建pool

root@ceph:~# ceph osd pool create <poolname> <pg_num>

#删除pool

root@ceph:~# ceph osd pool rm <pool-name> <pool-name> --yes-i-really-really-mean-it

#重命名

root@ceph:~# ceph osd pool rename <poolname> <poolname>

#获取和设置pool的相关数据

root@ceph:~# ceph osd pool set <poolname> <var>

root@ceph:~# ceph osd pool get <poolname> <var>

<var>：size|min_size|

 crash_replay_interval|pg_num|pgp_num|

 crush_ruleset|hashpspool|nodelete|

 nopgchange|nosizechange|write_fadvise_

 dontneed|noscrub|nodeep-scrub|hit_set_

 type|hit_set_period|hit_set_count|hit_

 set_fpp|auid|target_max_objects|target_

 max_bytes|cache_target_dirty_ratio|

 cache_target_dirty_high_ratio|cache_

 target_full_ratio|cache_min_flush_age|

 cache_min_evict_age|erasure_code_

 profile|min_read_recency_for_promote|

 all|min_write_recency_for_promote|fast_

 read|hit_set_grade_decay_rate|hit_set_

 search_last_n|scrub_min_interval|scrub_

 max_interval|deep_scrub_interval|

 recovery_priority|recovery_op_priority|

 scrub_priority

rbd 操作小计

#列出指定pool的镜像

root@ceph:~# rbd ls|list [--pool|-p <pool>]

#列出指定pool的镜像

root@ceph:~# rbd rm|remove <image-name> [--pool|-p <pool>]

#新建镜像,可以用-p|--pool参数或者<pool-name>/<image-name>方式指定pool

root@ceph:~# rbd create [<pool-name>/]<image-name> -p|--pool <pool-name> -s|--size <image-size>

#将镜像映射到块设备

root@ceph:~# rbd map [<pool-name>/]<image-name>[@<snap-name>] -p|--pool <pool-name>

#取消映射

root@ceph:~# rbd unmap [<pool-name>/]<image-name>[@<snap-name>] -p|--pool <pool-name>

#调整镜像大小

root@ceph:~# rbd resize [<pool-name>/]<image-name> -p|--pool <pool-name> --image <image-name> -s|--size <image-size> --allow-shrink

rados 操作小计

#列出所有pool

root@ceph:~# rados lspools

#创建pool [with auid 123[and using crush rule 4]]

root@ceph:~# rados mkpool <pool-name> [123[ 4]]

#复制pool的内容到另一个poo

root@ceph:~# rados cppool <pool-name> <dest-pool>

#删除pool

root@ceph:~# rados rmpool <pool-name> <pool-name> --yes-i-really-really-mean-it

#清空pool里的内容

root@ceph:~# rados purge <pool-name> --yes-i-really-really-mean-it

#show per-pool and total usage

root@ceph:~# rados df [-p|--pool <pool-name>]

#list objects in pool

root@ceph:~# rados ls -p|--pool <pool-name>