Ceph 일반 명령(계속 업데이트)

1. 상태 보기 일반 명령

#     

ceph -s

##          

ceph -w

#          

rbd ls -l

#   ceph  

ceph osd tree

#   ceph    

ceph auth get client.admin

#   monitor  

ceph-deploy mon destroy lab1

#                

ceph osd df

# MDS 상태를 확인합니다.

ceph mds stat

2, RBD 일반 명령

#   pool
#    5 OSD，   pg_num 128。
# 5~10 OSD，  pg_num 512。
# 10~50 OSD，  pg_num 4096。
#   50 OSD，    pgcalc  。
ceph osd pool create rbd 128 128 
rbd pool init rbd

#   pool
ceph osd pool rm rbd rbd –yes-i-really-really-mean-it 
##ceph.conf    
##mon_allow_pool_delete = true

#       rbd  
rbd create --image-feature layering [rbd-name] -s 10240

3. OSD 일반 명령

#          
ceph-volume lvm zap --destroy /dev/vdc  #     
ceph-deploy disk zap lab4 /dev/sdb  #     
#   osd
ceph-deploy osd create lab4 --fs-type btrfs --data vg1/lvol0

##   osd   node4
#     node4    osd，  osd.9 osd.10：
ceph osd tree #    cluster  
#  node4    osd    ：（node1     ）
ceph osd out osd.9
ceph osd out osd.10
#  node4    osd    ：（node4   ）
service ceph stop osd.9
service ceph stop osd.10
#   node4 osd      down，   0
ceph osd tree
#   node4    osd：
ceph osd crush remove osd.9
ceph osd crush remove osd.10
#     node4：
ceph osd crush remove ceph-node4

##            
#   ceph osd tree   down  osd，      down  osd   key  
ceph osd out osd.0       #   node1     
ceph osd crush rm osd.0
ceph auth del osd.0
ceph osd rm osd.0
#zap         ：
ceph-deploy disk zap node1 /dev/sdb
#        osd，ceph      osd:0：
ceph-deploy --overwrite-conf osd create node1 /dev/sdb

 
전재 대상:https://www.cnblogs.com/Leslieblog/p/10168879.html