I was able to bring a server back online for a short time and perform an export of the incomplete PGs I originally posted about last week. The export showed the files it was exporting and then dropped them all to a PGID.export file. I then SCP’ed the four PGID.export files to a server where I had an empty OSD weighted to 0. I stopped that OSD and then tried to import all four PGs. I then got the following messages for all four I tried: finish_remove_pgs 11.720_head removing 11.720 Importing pgid 11.c13 do_import threw exception error buffer::malformed_input: void object_stat_sum_t::decode(ceph::buffer::list::iterator&) decode past end of struct encoding Corrupt input for import Command I ran: ceph-objectstore-tool --op import --data-path /var/lib/ceph/osd/ceph-13 --journal-path /var/lib/ceph/osd/ceph-13/block --file 11.c13.export The files match the space used by PGs on the disk. As noted above, I saw it copy the PG to the export file successfully. Both servers are running Ubuntu 14 with the newest ceph-objectstore-tool installed via the package from here: http://download.ceph.com/debian-luminous/pool/main/c/ceph/ceph-test_12.2.2-1trusty_amd64.deb ( cluster is Luminous 12.2.2 . Its possible the PGs in question are on the jewel version as I wasn’t able to complete the upgrade to luminous on them. Am I missing something? Can I just copy the files off the failing server via a zip operation locally and then a unzip operation at the destination server? -Brent |
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