The commands shown below had successfully mapped rbd images in the past on kernel version 4.1.
Now I need to map one on a system running the 3.13 kernel.
Ceph version is 9.2.0. Rados bench operations work with no problem.
I get the same error message whether I use format 1 or format 2 or --image-shared.
Is there something different I need to with the 3.13 kernel?
-- Tom
# rbd create --size 1000 --image-format 1 rbd/rbddemo
# rbd info rbddemo
rbd image 'rbddemo':
size 1000 MB in 250 objects
order 22 (4096 kB objects)
block_name_prefix: rb.0.4f08.77bd73c7
format: 1
# rbd map rbd/rbddemo
rbd: sysfs write failed
rbd: map failed: (5) Input/output error
I
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