osd_max_scrubs = 1 means each osd can only be involved in a single scrub operation at a time. There isn't a setting for the maximum amount of scrubs per cluster, just per osd.
On Sun, Jan 14, 2018, 12:23 PM Karun Josy <karunjo...@gmail.com> wrote: > Hello, > > It appears that cluster is having many slow requests while it is scrubbing > and deep scrubbing. Also sometimes we can see osds flapping. > > So we have put the flags : noscrub,nodeep-scrub > > When we unset it, 5 PGs start to scrub. > Is there a way to limit it to one at a time? > > # ceph daemon osd.35 config show | grep scrub > "mds_max_scrub_ops_in_progress": "5", > "mon_scrub_inject_crc_mismatch": "0.000000", > "mon_scrub_inject_missing_keys": "0.000000", > "mon_scrub_interval": "86400", > "mon_scrub_max_keys": "100", > "mon_scrub_timeout": "300", > "mon_warn_not_deep_scrubbed": "0", > "mon_warn_not_scrubbed": "0", > "osd_debug_scrub_chance_rewrite_digest": "0", > "osd_deep_scrub_interval": "604800.000000", > "osd_deep_scrub_randomize_ratio": "0.150000", > "osd_deep_scrub_stride": "524288", > "osd_deep_scrub_update_digest_min_age": "7200", > "osd_max_scrubs": "1", > "osd_op_queue_mclock_scrub_lim": "0.001000", > "osd_op_queue_mclock_scrub_res": "0.000000", > "osd_op_queue_mclock_scrub_wgt": "1.000000", > "osd_requested_scrub_priority": "120", > "osd_scrub_auto_repair": "false", > "osd_scrub_auto_repair_num_errors": "5", > "osd_scrub_backoff_ratio": "0.660000", > "osd_scrub_begin_hour": "0", > "osd_scrub_chunk_max": "25", > "osd_scrub_chunk_min": "5", > "osd_scrub_cost": "52428800", > "osd_scrub_during_recovery": "false", > "osd_scrub_end_hour": "24", > "osd_scrub_interval_randomize_ratio": "0.500000", > "osd_scrub_invalid_stats": "true", > "osd_scrub_load_threshold": "0.500000", > "osd_scrub_max_interval": "604800.000000", > "osd_scrub_min_interval": "86400.000000", > "osd_scrub_priority": "5", > "osd_scrub_sleep": "0.000000", > > > Karun > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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