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mimic: core: osds allows to partially start more than N+2 #29241
Record the require_osd_release value from the OSDMap in the 'meta' portion of the osd's metadata that can be accessed without actually mounting the OSD. This will be useful as a safety gate to prevent you from mounting an osd thet is too new that may make incompatible changes to the store. Signed-off-by: Sage Weil <email@example.com> (cherry picked from commit 482cdca) Conflicts: src/osd/OSD.cc src/osd/OSD.h - ignore differences in surrounding context, as they do not seem relevant to the fix
If we try to start up the objectstore, we may make writeable changes to (say) rocksdb that are not backwards compatible. This happens, for example, if you start a mimic osd. Even if the compatset checks fail, rocksdb may have written something that is not backwards compatible. Fixes: http://tracker.ceph.com/issues/38076 Signed-off-by: Sage Weil <firstname.lastname@example.org> (cherry picked from commit 9f7713a) Conflicts: src/ceph_osd.cc - include common/version.h for ceph_release()
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