Unable to mount cinder volume of ceph back-end inside the instance
Issue
- mounting of cinder volume of ceph back-end inside the instance instance fails with I/O error :
[ 164.966649] blk_update_request: I/O error, dev vdb, sector 0
[ 164.967942] Buffer I/O error on dev vdb, logical block 0, lost async page write
[ 164.968885] blk_update_request: I/O error, dev vdb, sector 16
[ 164.969652] Buffer I/O error on dev vdb, logical block 2, lost async page write
[ 164.970633] Buffer I/O error on dev vdb, logical block 3, lost async page write
[ 164.971711] Buffer I/O error on dev vdb, logical block 4, lost async page write
[ 164.972838] Buffer I/O error on dev vdb, logical block 5, lost async page write
[ 164.974001] Buffer I/O error on dev vdb, logical block 6, lost async page write
[ 164.975050] Buffer I/O error on dev vdb, logical block 7, lost async page write
[ 164.976249] Buffer I/O error on dev vdb, logical block 8, lost async page write
[ 164.977188] Buffer I/O error on dev vdb, logical block 9, lost async page write
[ 164.978043] Buffer I/O error on dev vdb, logical block 10, lost async page write
[ 164.978930] blk_update_request: I/O error, dev vdb, sector 29360128
[ 164.983874] blk_update_request: I/O error, dev vdb, sector 29360208
[ 164.992586] blk_update_request: I/O error, dev vdb, sector 29360264
[ 165.000701] blk_update_request: I/O error, dev vdb, sector 29366384
[ 165.010514] blk_update_request: I/O error, dev vdb, sector 29368784
[ 165.018809] blk_update_request: I/O error, dev vdb, sector 29435544
[ 165.026458] blk_update_request: I/O error, dev vdb, sector 29452288
[ 165.034674] blk_update_request: I/O error, dev vdb, sector 33554432
- snapshot creation of cinder volume fails with below error in volume.log :
ReadOnlyImage: [errno 30] error creating snapshot when creating a snapshot from Cinder
Environment
- Red Hat Openstack Platform 10
- ceph with cinder backend
- external ceph cluster upgraded from 2.4 - 3.0
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