Ceph » mgr

Dear Team,

I have referred bellow link to configure ceph email alert, but it is showing me error while enabling alert module, and if i enable it forcefully still it is not working.

Please suggest.

https://docs.ceph.com/docs/master/mgr/alerts/

[root@cephnode-01 ~]# ceph mgr module enable alerts
Error ENOENT: all mgr daemons do not support module 'alerts', pass --force to force enablement

[root@cephnode-01 ~]# ceph alerts send
no valid command found; 10 closest matches:
osd tier add <poolname> <poolname> {--force-nonempty}
osd utilization
osd pool application get {<poolname>} {<app>} {<key>}
osd pool application rm <poolname> <app> <key>
osd pool application set <poolname> <app> <key> <value>
osd pool application disable <poolname> <app> {--yes-i-really-mean-it}
osd pool application enable <poolname> <app> {--yes-i-really-mean-it}
osd pool get-quota <poolname>
osd pool set-quota <poolname> max_objects|max_bytes <val>
osd pool set <poolname> size|min_size|pg_num|pgp_num|crush_rule|hashpspool|nodelete|nopgchange|nosizechange|write_fadvise_dontneed|noscrub|nodeep-scrub|hit_set_type|hit_set_period|hit_set_count|hit_set_fpp|use_gmt_hitset|target_max_bytes|target_max_objects|cache_target_dirty_ratio|cache_target_dirty_high_ratio|cache_target_full_ratio|cache_min_flush_age|cache_min_evict_age|auid|min_read_recency_for_promote|min_write_recency_for_promote|fast_read|hit_set_grade_decay_rate|hit_set_search_last_n|scrub_min_interval|scrub_max_interval|deep_scrub_interval|recovery_priority|recovery_op_priority|scrub_priority|compression_mode|compression_algorithm|compression_required_ratio|compression_max_blob_size|compression_min_blob_size|csum_type|csum_min_block|csum_max_block|allow_ec_overwrites <val> {--yes-i-really-mean-it}
Error EINVAL: invalid command