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Hi,
I am trying out a Ceph 10.2.1 cluster and noticed this message almost every time I do a snap rollback: 12:18:08.203349 7f11ee46c700 -1 librbd::object_map::LockRequest: failed to lock object map: (17) File exists The rollback still seems to work fine. Nothing else should be accessing the RBD image at the same time (the VM is shutdown). I have the following image features enabled: - layering - exclusive-lock - object-map - fast-diff - deep-flatten Is this something I need to worry about? Any info is appreciated! Thanks, Brendan
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