linux:ceph:ceph_cheatsheet
CEPH: Cheatsheet!
| Documentation |
| Name: | CEPH: Cheatsheet! |
| Description: | CHEATSHEET |
| Modification date : | 25/01/2019 |
| Owner: | dodger |
| Notify changes to: | Owner |
| Tags: | ceph, object storage |
| Scalate to: | The_fucking_bofh |
Cheatsheet
Admin
Health
##############cmd############## | —————————————————————— |
ceph health
| Status of the cluster |
ceph health detail
| Detailed status of the cluster |
ceph -s
| Another way to see the status |
disk
##############cmd############## | —————————————————————— |
ceph df
| df of the cluster |
ceph df detail
| Detailed usage of the cluster |
Object Gateway
##############cmd############## | —————————————————————— |
radosgw-admin metadata list user
| list current created users |
radosgw-admin --uid=user1 user info
| Show user info |
radosgw-admin --uid=user1 user suspend
| Suspend user account |
radosgw-admin bucket list
| list ALL buckets |
radosgw-admin bucket list --uid=userID
| list buckets from user |
radosgw-admin bucket rm --bucket=mybucket --purge-objects
| Drop bucket INCLUDING CONTENTS |
MON
##############cmd############## | —————————————————————— |
ceph mon_status -f json-pretty
| Local monitor status |
ceph --cluster=ceph --admin-daemon /var/run/ceph/ceph-mon.${THESERVER}.asok mon_status -f json-pretty
| Detailed mon server status, change ${THESERVER} variable |
OSD
##############cmd############## | —————————————————————— |
ceph osd df
| osd disk usage (aka df) |
CRUSH
##############cmd############## | —————————————————————— |
ceph osd crush tree
| view the CRUSH hierarchy |
ceph osd crush rule ls
| view the CRUSH rules |
ceph osd crush rule dump
| view the CRUSH rules definition |
ceph osd getcrushmap -o crushmap.bin
| write live crushmap to crushmap.bin |
crushtool -d crushmap.bin -o crushmap.txt
| Decompile crushmap.bin |
crushtool -c crushmap.txt -o crushmap.bin.new
| Compile crushmap |
ceph osd setcrushmap -i crushmap.bin.new
| Push new CRUSHmap to cluster |
POOL
##############cmd############## | —————————————————————— |
ceph osd pool ls
| list pools |
ceph osd pool ls detail
| list pools with additional info |
ceph osd crush rule dump
| view the CRUSH rules definition |
ceph osd pool create ${new_pool}
| Create ${new_pool} |
ceph osd pool create ${new_pool} 500 500 replicated ciberterminalRule
| Create pool with pg_num, pgp_num, type and crush rule |
rados cppool ${old_pool} ${new_pool}
| Copy one pool to another |
ceph osd pool rename ${new_pool} ${old_pool}
| rename pool |
ceph osd pool ls
| list pools |
ceph osd pool ls
| list pools |
ceph osd pool set ${POOL_NAME} pg_num 500
| Change pg's of a pool |
ceph osd pool set ${POOL_NAME} crush_rule ciberterminalRule
| Change pg's CRUSH map |
ceph osd pool get ${POOL_NAME} all
| get options set for ${POOL_NAME} |
MGR
##############cmd############## | —————————————————————— |
ceph mgr services
| running services |
ceph mgr module ls
| list modules for mgr</code> |
===== MDS (cehpfs) =====
^ ##############cmd############## ^ —————————————————————— ^
|<code bash>ceph fs ls</code> | list filesystems |
|<code bash>ceph mgr module ls</code> | list modules for mgr</code> |
linux/ceph/ceph_cheatsheet.txt · Last modified: 2022/02/11 11:36 by 127.0.0.1
