Hi,
*snipsnap*
# ceph osd tier add cinder-volumes cache
pool 'cache' is now (or already was) a tier of 'cinder-volumes'
# ceph osd tier cache-mode cache writeback
set cache-mode for pool 'cache' to writeback
# ceph osd tier set-overlay cinder-volumes cache
overlay for 'cinder-volumes' is now (or already was) 'cache'
# ceph osd pool set cache hit_set_type bloom
set pool 6 hit_set_type to bloom
# ceph osd pool set cache hit_set_count 1
set pool 6 hit_set_count to 1
# ceph osd pool set cache hit_set_period 3600
set pool 6 hit_set_period to 3600
# ceph osd pool set cache target_max_bytes 257698037760
set pool 6 target_max_bytes to 257698037760
# ceph osd pool set cache cache_target_full_ratio 0.8
set pool 6 cache_target_full_ratio to 0.8
Just my 2ct:
A cache tier needs a complete setup, e.g. the target_max_objects setting
is missing. Try to set all cache related settings to a sane value.
You might also want to create a simple backend pool first and test the
cache tier with that pool.
Regards,
Burkhard
_______________________________________________
ceph-users mailing list
ceph-users@xxxxxxxxxxxxxx
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
