Hi All,
I've got a new issue (hopefully this one will be the last).
I have a working Ceph (Octopus) cluster with a replicated pool
(my-pool), an erasure-coded pool (my-pool-data), and an image (my-image)
created - all *seems* to be working correctly. I also have the correct
Keyring specified (ceph.client.my-id.keyring).
ceph -s is reporting all healthy.
The ec profile (my-ec-profile) was created with: ceph osd
erasure-code-profile set my-ec-profile k=4 m=2 crush-failure-domain=host
The replicated pool was created with: ceph osd pool create my-pool 100
100 replicated
Followed by: rbd pool init my-pool
The ec pool was created with: ceph osd pool create my-pool-data 100 100
erasure my-ec-profile --autoscale-mode=on
Followed by: rbd pool init my-pool-data
The image was created with: rbd create -s 1T --data-pool my-pool-data
my-pool/my-image
The Keyring was created with: ceph auth get-or-create client.my-id mon
'profile rbd' osd 'profile rbd pool=my-pool' mgr 'profile rbd
pool=my-pool' -o /etc/ceph/ceph.client.my-id.keyring
On a centos8 client machine I have installed ceph-common, placed the
Keyring file into /etc/ceph/, and run the command: rbd device map
my-pool/my-image --id my-id
All *seems* AOK.
However - and here's my issue - when I try to create a partition on
/dev/rbd0 and/or try to mount it, the client reports: fdisk: cannot open
/dev/rbd0: Input/output error OR mount: /my-rbd-bloc-device: special
device /dev/rbd0 does not exist (respectively).
What am I doing wrong?
Thanks in advance for the help
Matthew J
--
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*Matthew J BLACK*
M.Inf.Tech.(Data Comms)
MBA
B.Sc.
MACS (Snr), CP, IP3P
When you want it done /right/ ‒ the first time!
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