Hi,
I'm trying to help someone with a broken CephFS. We managed to recover
basic ceph functionality but the CephFS is still inaccessible
(currently read-only). We went through the disaster recovery steps but
to no avail. Here's a snippet from the startup logs:
---snip---
mds.0.41 Booting: 2: waiting for purge queue recovered
mds.0.journaler.pq(ro) _finish_probe_end write_pos = 14797504512
(header had 14789452521). recovered.
mds.0.purge_queue operator(): open complete
mds.0.purge_queue operator(): recovering write_pos
monclient: get_auth_request con 0x55c280bc5c00 auth_method 0
monclient: get_auth_request con 0x55c280ee0c00 auth_method 0
mds.0.journaler.pq(ro) _finish_read got error -2
mds.0.purge_queue _recover: Error -2 recovering write_pos
mds.0.purge_queue _go_readonly: going readonly because internal IO
failed: No such file or directory
mds.0.journaler.pq(ro) set_readonly
mds.0.41 unhandled write error (2) No such file or directory, force
readonly...
mds.0.cache force file system read-only
force file system read-only
---snip---
I've added the dev mailing list, maybe someone can give some advice
how to continue from here (we could try to recover with an empty
metadata pool). Or is this FS lost?
Thanks!
Eugen
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