rbd_rados命令拷屏

mimic或者luminous

rbd_rados

sudo mount -t ceph 192.168.7.151:6789:/ /mnt -o name=admin,secret=AQBaPZNcCalvLRAAt4iyva3DHfb8NbOX4MxBAw==


rbd

ceph osd pool create rbdpool 64
rbd pool init rbdpool
rbd create --size 1024 rbdpool/rbdimage
rbd ls rbdpool
rbd info rbdpool/rbdimage

Unless specified, the rbd command will access the Ceph cluster using the ID admin.
ceph auth get-or-create client.qemu mon 'profile rbd' osd 'profile rbd pool=vms, profile rbd-read-only pool=images'

Ceph Block Device images are thin provisioned

[root@ceph1 ceph]# rbd info rbdpool/rbdimage
rbd image 'rbdimage':
        size 1 GiB in 256 objects
        order 22 (4 MiB objects)
        id: 12926b8b4567
        block_name_prefix: rbd_data.12926b8b4567
        format: 2
        features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
        op_features:
        flags:
        create_timestamp: Wed Mar 27 18:06:28 2019


[root@ceph1 ceph]# rbd feature disable rbdpool/rbdimage object-map fast-diff deep-flatten
[root@ceph1 ceph]# rbd device map rbdpool/rbdimage  --id admin
/dev/rbd0
[root@ceph1 ~]# lsblk
NAME                                                                                                  MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sr0                                                                                                    11:0    1  918M  0 rom
vda                                                                                                   253:0    0   50G  0 disk
├─vda1                                                                                                253:1    0  512M  0 part /boot
├─vda2                                                                                                253:2    0    8G  0 part [SWAP]
└─vda3                                                                                                253:3    0 41.5G  0 part /
vdb                                                                                                   253:16   0   60G  0 disk
└─ceph--c087d78f--9bb1--49a5--97ad--437995ee0ae7-osd--block--da3283a7--adfe--43ad--8ebc--0853ee8900bb 252:0    0   60G  0 lvm
rbd0                                                                                                  251:0    0    1G  0 disk

root@cu-pve04:~# rbd info kycrbd/vm-111-disk-0
rbd image 'vm-111-disk-0':
size 50GiB in 12800 objects
order 22 (4MiB objects)
block_name_prefix: rbd_data.b52c6b8b4567
format: 2
features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
flags:
create_timestamp: Fri May 10 17:31:49 2019

[root@ceph1 ~]# rbd device list
id pool    image    snap device
0  rbdpool rbdimage -    /dev/rbd0


root@cu-pve04:~# rbd help du
usage: rbd du [--pool <pool>] [--image <image>] [--snap <snap>]
              [--format <format>] [--pretty-format] [--from-snap <from-snap>]
              <image-or-snap-spec>

Show disk usage stats for pool, image or snapshot

Positional arguments
  <image-or-snap-spec>  image or snapshot specification
                        (example: [<pool-name>/]<image-name>[@<snap-name>])

Optional arguments
  -p [ --pool ] arg     pool name
  --image arg           image name
  --snap arg            snapshot name
  --format arg          output format (plain, json, or xml) [default: plain]
  --pretty-format       pretty formatting (json and xml)
  --from-snap arg       snapshot starting point


root@cu-pve04:~# rbd du -p kycrbd
NAME                     PROVISIONED    USED
base-101-disk-0@__base__       50GiB 1.51GiB
base-101-disk-0                50GiB      0B
vm-100-disk-0                 100GiB 83.5GiB
vm-102-disk-0                 100GiB 9.18GiB
vm-103-disk-0                 100GiB 26.7GiB
vm-104-disk-0                 100GiB 19.7GiB
vm-105-disk-0                  50GiB 13.7GiB
vm-106-disk-0                  50GiB 5.45GiB
<TOTAL>                       550GiB  160GiB


root@cu-pve04:~# rbd ls -l kycrbd
NAME                       SIZE PARENT FMT PROT LOCK
base-101-disk-0           50GiB          2
base-101-disk-0@__base__  50GiB          2 yes
vm-100-disk-0            100GiB          2      excl
vm-102-disk-0            100GiB          2
vm-103-disk-0            100GiB          2      excl
vm-104-disk-0            100GiB          2      excl
vm-105-disk-0             50GiB          2      excl
vm-106-disk-0             50GiB          2      excl


root@cu-pve04:~# rbd status -p kycrbd vm-100-disk-0
Watchers:
        watcher=192.168.7.204:0/4098848611 client.301073 cookie=140228010702336


root@cu-pve04:~# rbd info -p kycrbd vm-100-disk-0
rbd image 'vm-100-disk-0':
        size 100GiB in 25600 objects
        order 22 (4MiB objects)
        block_name_prefix: rbd_data.422076b8b4567
        format: 2
        features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
        flags:
        create_timestamp: Sat May  4 20:38:07 2019

root@cu-pve04:~# rbd ls kycrbd --format json --pretty-format
[
"base-101-disk-0",
"vm-100-disk-0",
"vm-102-disk-0",
"vm-103-disk-0",
"vm-104-disk-0",
"vm-105-disk-0",
"vm-106-disk-0"
]
root@cu-pve04:~# rbd ls kycrbd --format xml --pretty-format
<images>
<name>base-101-disk-0</name>
<name>vm-100-disk-0</name>
<name>vm-102-disk-0</name>
<name>vm-103-disk-0</name>
<name>vm-104-disk-0</name>
<name>vm-105-disk-0</name>
<name>vm-106-disk-0</name>
</images>

root@cu-pve04:~# rbd ls kycrbd --format xml
<images><name>base-101-disk-0</name><name>vm-100-disk-0</name><name>vm-102-disk-0</name><name>vm-103-disk-0</name><name>vm-104-disk-0</name><name>vm-105-disk-0</name><name>vm-106-disk-0</name></images>
root@cu-pve04:~# rbd ls kycrbd --format json
["base-101-disk-0","vm-100-disk-0","vm-102-disk-0","vm-103-disk-0","vm-104-disk-0","vm-105-disk-0","vm-106-disk-0"]

rados

rados -h
radosgw-admin -h

[root@ceph1 ~]# rados lspools
mypool
[root@ceph1 ~]# rados df
POOL_NAME USED OBJECTS CLONES COPIES MISSING_ON_PRIMARY UNFOUND DEGRADED RD_OPS  RD WR_OPS  WR
mypool     0 B       0      0      0                  0       0        0      0 0 B      0 0 B

total_objects    0
total_used       3.0 GiB
total_avail      177 GiB
total_space      180 GiB

[root@ali-3 ~]# rados df
POOL_NAME                              USED OBJECTS CLONES COPIES MISSING_ON_PRIMARY UNFOUND DEGRADED  RD_OPS     RD WR_OPS    WR
pool-d83c6154956b44aea7639c7bd4c45c65 2001M   17460      0  52380                  0       0     1023 5775755 11819M 318825 6488M

total_objects    17460
total_used       44969M
total_avail      53608G
total_space      53652G


[root@ali-3 ~]# rados -p pool-d83c6154956b44aea7639c7bd4c45c65  ls
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014
xbd_data.618177.0000000000000014



[root@ceph1 ~]# ceph osd lspools
1 mypool
2 .rgw.root
3 default.rgw.control
4 default.rgw.meta
5 default.rgw.log
6 cfs_data
7 cfs_meta
8 rbdpool

列出池中对象
[root@ceph1 ~]# rados -p cfs_data ls
10000000005.00000000
10000000006.00000000
[root@ceph1 ~]# rados -p cfs_meta ls
601.00000000
602.00000000
600.00000000
603.00000000
1.00000000.inode
200.00000000
200.00000001
606.00000000
607.00000000
mds0_openfiles.0
608.00000000
500.00000001
604.00000000
500.00000000
mds_snaptable
605.00000000
mds0_inotable
100.00000000
mds0_sessionmap
609.00000000
400.00000000
100.00000000.inode
1.00000000
[root@ceph1 ~]# rados -p rbdpool ls
rbd_directory
rbd_id.rbdimage
rbd_info
rbd_header.12926b8b4567