Hi,
I am using Ceph Jewel, version 10.2.2 and trying to map a RBD image
which has stripe parameters to test performance, however, when I try to
mount it, i get "rbd: map failed: (22) Invalid argument" . Please
confirm if we cannot use the stripe parameters with this version as well
and need to go with base stripe parameters as in Format 1.
I have gone through earlier mails and the issue was due to striping not
being supported.
~# ceph --version
ceph version 10.2.2 (45107e21c568dd033c2f0a3107dec8f0b0e58374)
root@ceph-host:~# rbd info Stripetest2 -p test-pool
rbd image 'Stripetest2':
size 500 GB in 128112 objects
order 22 (4096 kB objects)
block_name_prefix: rbd_data.fd3ca238e1f29
format: 2
features: layering, striping
flags:
stripe unit: 1024 kB
stripe count: 16
root@ceph-host:~# rbd map Stripetest2 -p test-pool
rbd: sysfs write failed
In some cases useful info is found in syslog - try "dmesg | tail" or so.
rbd: map failed: (22) Invalid argument
Any information about this would be appreciated.
Thanks,
Daleep Singh Bais
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