RHCS 2 - For same PGs scrub and deep-scrub are repeating over and over right after each other
Issue
We can see the scrub and deep-scrub happening all over again:
# grep scrub /var/log/ceph/ceph.log
2018-06-12 03:26:10.607362 osd.24 192.168.1.1:6801/1111 166410 : cluster [INF] 0.a scrub starts
2018-06-12 03:26:10.678753 osd.24 192.168.1.1:6801/1111 166411 : cluster [INF] 0.a scrub ok
2018-06-12 03:26:11.607477 osd.24 192.168.1.1:6801/1111 166412 : cluster [INF] 0.a scrub starts
2018-06-12 03:26:11.666939 osd.24 192.168.1.1:6801/1111 166413 : cluster [INF] 0.a scrub ok
2018-06-12 03:26:13.608625 osd.24 192.168.1.1:6801/1111 166414 : cluster [INF] 0.a scrub starts
2018-06-12 03:26:13.676184 osd.24 192.168.1.1:6801/1111 166415 : cluster [INF] 0.a scrub ok
2018-06-12 03:26:14.609652 osd.24 192.168.1.1:6801/1111 166416 : cluster [INF] 0.a scrub starts
2018-06-12 03:26:14.673537 osd.24 192.168.1.1:6801/1111 166417 : cluster [INF] 0.a scrub ok
2018-06-12 03:26:15.611053 osd.24 192.168.1.1:6801/1111 166418 : cluster [INF] 0.a scrub starts
2018-06-12 03:26:15.683053 osd.24 192.168.1.1:6801/1111 166419 : cluster [INF] 0.a scrub ok
2018-06-12 10:27:44.935674 osd.24 192.168.1.1:6801/1111 171288 : cluster [INF] 0.a deep-scrub ok
2018-06-12 10:28:06.497221 osd.24 192.168.1.1:6801/1111 171303 : cluster [INF] 0.a deep-scrub starts
2018-06-12 10:28:24.259193 osd.24 192.168.1.1:6801/1111 171304 : cluster [INF] 0.a deep-scrub ok
2018-06-12 10:28:37.504639 osd.24 192.168.1.1:6801/1111 171313 : cluster [INF] 0.a deep-scrub starts
2018-06-12 10:28:54.049491 osd.24 192.168.1.1:6801/1111 171314 : cluster [INF] 0.a deep-scrub ok
Environment
Red Hat Ceph Storage 2 following versions only:
- 10.2.2-41.el7cp
- 10.2.3-13.el7cp
- 10.2.3-17.el7cp
- 10.2.5-37.el7cp
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