Hello Cephers I have created a Cache pool and looks like cache tiering agent is not able to flush/evict data as per defined policy. However when i manually evict / flush data , it migrates data from cache-tier to storage-tier
Kindly advice if there is something wrong with policy or anything else i am missing. Ceph Version: 0.80.5 OS : Cent OS 6.4 Cache pool created using the following commands : ceph osd tier add data cache-pool ceph osd tier cache-mode cache-pool writeback ceph osd tier set-overlay data cache-pool ceph osd pool set cache-pool hit_set_type bloom ceph osd pool set cache-pool hit_set_count 1 ceph osd pool set cache-pool hit_set_period 300 ceph osd pool set cache-pool target_max_bytes 10000 ceph osd pool set cache-pool target_max_objects 100 ceph osd pool set cache-pool cache_min_flush_age 60 ceph osd pool set cache-pool cache_min_evict_age 60 [root@ceph-node1 ~]# date Sun Sep 14 00:49:59 EEST 2014 [root@ceph-node1 ~]# rados -p data put file1 /etc/hosts [root@ceph-node1 ~]# rados -p data ls [root@ceph-node1 ~]# rados -p cache-pool ls file1 [root@ceph-node1 ~]# [root@ceph-node1 ~]# date Sun Sep 14 00:59:33 EEST 2014 [root@ceph-node1 ~]# rados -p data ls [root@ceph-node1 ~]# [root@ceph-node1 ~]# rados -p cache-pool ls file1 [root@ceph-node1 ~]# [root@ceph-node1 ~]# date Sun Sep 14 01:08:02 EEST 2014 [root@ceph-node1 ~]# rados -p data ls [root@ceph-node1 ~]# rados -p cache-pool ls file1 [root@ceph-node1 ~]# [root@ceph-node1 ~]# rados -p cache-pool cache-flush-evict-all file1 [root@ceph-node1 ~]# [root@ceph-node1 ~]# rados -p data ls file1 [root@ceph-node1 ~]# rados -p cache-pool ls [root@ceph-node1 ~]# Regards Karan Singh
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