Ceph

removed_snaps [2~1,4~1,6~1,8~1,a~1,c~1,e~1,10~1,12~1,14~1,16~1,18~1,1a~1,1c~1,1e~1,20~1,22~1,24~1,26~1,28~1,2a~1,2c~1,2e~1,30~1,32~1,34~1,36~1,38~1,3a~1,3c~1,3e~1,40~1,42~1,44~1,46~1,48~1,4a~1,4c~1,4e~1,50~1,52~1,54~1,56~1,58~1,5a~1,5c~1,5e~1,60~1,62~1,64~1,66~1,68~1]

because snapids are also allocated to version deletes. Maybe those should be added to removed_snaps immediately? Need to consider pool, mds, and selfmanaged snaps...