Unified Manager stops sending alerts or displaying some statistics
Applies to
ActiveIQ Unified Manager 9.7
Issue
- Unified Manager stops sending alerts completely
- Unified Manager stops to display statistics in Performance Capacity Used and Available IOPS in Node / Performance page
- Restarting Unified Manager resolved for some time but the issue regularly occurs every few days
- The following errors can be seen in the
ocumserver.log
2020-08-10 01:00:51,525 ERROR [oncommand] [taskScheduler-5] [c.n.i.s.statistics.dao.NodeStatDao] >>>>> Current Statistics Time is GREATER than Headroom Entries. Missed one, Stat Time: 1,596,935,940,000 HR Time: 1,596,935,760,000 For StatID: 109,964
2020-08-10 01:00:51,554 ERROR [oncommand] [taskScheduler-5] [c.n.i.s.statistics.dao.NodeStatDao] >>>>> Header Entry is within the Statistics range (ie, not EXACTLY equal in time), Stat: 1,596,966,540,000 HR: 1,596,966,600,000 For StatID: 91,741