Hi, a customer lost 5 OSDs at the same time (and replaced them with new disks before we could do anything…). 4 PGs were incomplete but could be repaired with ceph-objectstore-tool. The cluster itself is healthy again. Now some RBDs are missing. They are still listed in the rbd_directory object but cannot be access with e.g. rbd info. rbd ls says: no such file or directory I assume that is because the associated rbd_id.name object has been lost. I tried to create this object by means of "rados put" but still no luck: 2020-08-13 11:47:27.557 7fa1e2ffd700 -1 librbd::image::OpenRequest: failed to retrieve image id: (5) Input/output error 2020-08-13 11:47:27.557 7fa1e27fc700 -1 librbd::ImageState: 0x55b9ebb75b10 failed to open image: (5) Input/output error 2020-08-13 11:47:27.557 7fa1e27fc700 -1 librbd::io::AioCompletion: 0x55b9ebadd3a0 fail: (5) Input/output error rbd: error opening vm-501-disk-2: (5) Input/output error What are the options to repair an RBD pool so that at least the RBDs (most data objects are still there) are available again. Regards -- Robert Sander Heinlein Support GmbH Schwedter Str. 8/9b, 10119 Berlin http://www.heinlein-support.de Tel: 030 / 405051-43 Fax: 030 / 405051-19 Zwangsangaben lt. §35a GmbHG: HRB 93818 B / Amtsgericht Berlin-Charlottenburg, Geschäftsführer: Peer Heinlein -- Sitz: Berlin
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