Ceph » RADOS

We are observing that the pg_upmap_primary items for a pool is retained and present in the OSDmap, even after the pool is deleted from the cluster.

These entries should be deleted once the pool related to the entries is deleted.

Steps to Reproduce:
1) Start vstart cluster
MON=1 MGR=1 OSD=3 ../src/vstart.sh -b -n --without-dashboard
2) ./bin/ceph osd pool create test 128 128
3) Generate some data
/nvme0/ceph/build/bin/rados -c /nvme0/ceph/build/ceph.conf -p test bench -b 4096 300 write --concurrent-ios 16 --no-cleanup
4) disable the balancer
./bin/ceph balancer off
5) Get th osdmap
./bin/ceph osd getmap -o om
6) Run the optimizer
osdmaptool om --read out.txt --read-pool test --vstart
7) Set compat client to reef
./bin/ceph osd set-require-min-compat-client reef
8) Apply the changes
source out.txt
9) osd dump is showing entries like below
pg_upmap_primary 4.0 2
pg_upmap_primary 4.2 2
pg_upmap_primary 4.3 2
pg_upmap_primary 4.4 2
pg_upmap_primary 4.5 2
pg_upmap_primary 4.6 2
pg_upmap_primary 4.7 2
pg_upmap_primary 4.8 0
10) Delete the pool(test id is 4)
./bin/ceph osd pool delete test test --yes-i-really-really-mean-it
11) osd dump is still showing similar pg primary upmap entries.
pg_upmap_primary 4.0 2
pg_upmap_primary 4.2 2
pg_upmap_primary 4.3 2
pg_upmap_primary 4.4 2
pg_upmap_primary 4.5 2
pg_upmap_primary 4.6 2
pg_upmap_primary 4.7 2
pg_upmap_primary 4.8 0