# v15.2.17



* Backport #47427: octopus: MigrateRequest.cc: 129: FAILED ceph_assert(image_ctx.parent != nullptr)
* Backport #52533: octopus: rbd children:logging crashes after open or close fails.
* Backport #53015: octopus: write-around cache doesn't honor LIBRADOS_OP_FLAG_FADVISE_FUA flag for write_same()
* Backport #53971: octopus: BufferList.rebuild_aligned_size_and_memory failure
* Backport #54169: octopus: [rbd_support] passing invalid interval removes entire schedule
* Backport #54171: octopus: [krbd] expose rxbounce option
* Backport #54186: octopus: [krbd] misleading error when no initial monitor address
* Backport #54230: octopus: [cli] mark optional positional arguments as such in help output
* Backport #54242: octopus: mds: clients can send a "new" op (file operation) and crash the MDS
* Backport #54297: octopus: librbd: bug in GroupSnapshotNamespace operator< 
* Backport #54300: octopus: [test] qemu task on centos 8.stream is missing qemu-kvm-block-rbd package
* Backport #54323: octopus: allow rbd_default_map_options to be overridden at pool and image level
* Backport #54377: octopus: [rbd-mirror] disabling and shortly after re-enabling mirroring on the image can lead to split-brain
* Backport #54380: octopus: c++20: compilation failures around BitVector::NoInitAllocator
* Backport #54382: octopus: qa/workunits/rbd/rbd_mirror_stress.sh: rbd: mirroring not enabled on the image
* Backport #54483: octopus: rbd snapshot schedule status output is missing schedule
* Backport #54988: octopus: Create test case to verify values of snaps in rbd du
* Backport #55012: octopus: librados: check latest osdmap on ENOENT in pool_reverse_lookup()
* Backport #55019: octopus: partial recovery: CEPH_OSD_OP_OMAPRMKEYRANGE should mark omap dirty
* Backport #55844: octopus: [rbd-mirror] primary snapshot in-use by replayer can be unlinked and removed
* Backport #55847: octopus: [rbd-mirror] don't prune non-primary snapshot when restarting delta sync
* Backport #55985: octopus: log the numbers of dups in PG Log
* Backport #56141: octopus: [rbd_support] a schedule may get lost due to load vs add race
* Backport #56145: octopus: rbd mirror snapshot schedule is not working properly after a few failover-relocate operations
* Backport #56166: octopus: [rbd-mirror] "failed to unlink local peer from remote image" due to EROFS error
* Backport #56431: octopus: mirror snapshot syncing progress reporting (last_copied_object_number) is broken for sparse images
* Backport #56458: octopus: rbd-fuse: librados will filter out -r option from command-line
* Backport #56568: octopus: [rbd-mirror] bogus "incomplete local non-primary snapshot" replayer error
* Backport #56595: octopus: rbd perf image iostat/iotop lost the ability to gather data across pools
* Backport #56617: octopus: ImageWatcher race condition