Hi All,
I have created an image but cannot map the image, anybody know what could
be the problem:
sudo rbd map data/data_01
rbd: sysfs write failed
RBD image feature set mismatch. You can disable features unsupported by the
kernel with "rbd feature disable".
In some cases useful info is found in syslog - try "dmesg | tail" or so.
rbd: map failed: (6) No such device or address
cluster_master@nodeC:~$ dmesg |tail
[89572.831725] libceph: client4227 fsid 70cc6b75-9f83-4c67-a1c4-4fe846b4849e
[89572.832413] libceph: mon0 155.232.195.4:6789 session established
[89573.042375] libceph: client4229 fsid 70cc6b75-9f83-4c67-a1c4-4fe846b4849e
[89573.043046] libceph: mon0 155.232.195.4:6789 session established
command to create image:
rbd create data_01 --size 102400 --pool data
cluster_master@nodeC:~$ rbd ls data
data_01
cluster_master@nodeC:~$ rbd --image data_01 -p data info
rbd image 'data_01':
size 102400 MB in 25600 objects
order 22 (4096 kB objects)
block_name_prefix: rbd_data.105f2ae8944a
format: 2
features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
flags:
cluster_master@nodeC:~$ ceph status
cluster 70cc6b75-9f83-4c67-a1c4-4fe846b4849e
health HEALTH_OK
monmap e1: 1 mons at {nodeB=155.232.195.4:6789/0}
election epoch 3, quorum 0 nodeB
osdmap e17: 2 osds: 2 up, 2 in
flags sortbitwise
pgmap v160: 192 pgs, 2 pools, 6454 bytes data, 5 objects
10311 MB used, 1851 GB / 1861 GB avail
192 active+clean
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