Does it take more than 40 seconds for the failover to produce a
new active IMMD ? That would explain the observed behavior.
But the question is then why it takes 40+ seconds to failover the IMMD.
---
** [tickets:#889] unknown: oi poll timeout differs during switchover and
failover scenarios**
**Status:** unassigned
**Milestone:** future
**Created:** Wed May 07, 2014 03:10 PM UTC by surender khetavath
**Last Updated:** Thu May 08, 2014 07:28 AM UTC
**Owner:** nobody
changeset : 5143.
test:
1) in a thread do oiInit()
2) oiImplSet() & OiObjectImplSet on an object
3) oiselectionObjectGet()
4) poll() on the fd
In the main thread
1) om init, ownerset,
2) invoke controller failover/switchover
3) AdminOp(ONE_SECOND) on the object
If the poll timeout value is 40secs, then OI doesn't receive AdminOp callback
and poll timesout.
If the poll timeout value is increased to say 80secs, then OI gets AdminOp
callback.
How does it differ?
1) is the imm operation held until failover is completed?
2) is the imm operation held until the failed node re-joins?
3) The time to receive cbk i.e more than 40secs is not acceptable for HA.
The same test using swithover succeeds i.e receives cbk under 20secs of poll
timeout.
two versions of logs attached
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