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Cisco Bug: CSCur30733 - AVSDB Sockfd value became 0 while replication thread in active

Last Modified

Jun 21, 2020

Products (1)

  • Cisco Videoscape Distribution Suite for Television

Known Affected Releases

3.2(4)ES1

Description (partial)

Symptom:
replication thread and the replication behaves abnormally.
Replication thread is in RESYNC state instead of ACTIVE and keep on requesting the remote sync status from remote server.

Please find the logs below
Here we can see the bklog for particular server and at the same time we can see the remote sync status query.
2014-10-15 19:01:55.034315 UTC ss1av2p-dfw 10.125.4.20: threadid 4100942736: rstats: lsn:    11711290  tlsn:    11711290  bklog:     0
2014-10-15 19:01:55.034716 UTC ss1av2p-dfw 10.125.4.20, remote overall recno: 97299652 remote thread recno: 97299668
2014-10-15 19:01:55.034862 UTC ss1av2p-dfw 10.125.4.20: threadid 4100942736: determine_remote_version returned 324
2014-10-15 19:01:55.034889 UTC ss1av2p-dfw 10.125.4.20: threadid 4100942736: remote db version is 324
2014-10-15 19:01:55.034911 UTC ss1av2p-dfw 10.125.4.20: threadid 4100942736: remote sync information does not need full resync
2014-10-15 19:01:55.194988 UTC ss1av2p-dfw 10.125.4.20, remote overall recno: 97299652 remote thread recno: 97299668
2014-10-15 19:01:55.195286 UTC ss1av2p-dfw 10.125.4.20: threadid 4100942736: determine_remote_version returned 324
2014-10-15 19:01:55.195324 UTC ss1av2p-dfw 10.125.4.20: threadid 4100942736: remote db version is 324
2014-10-15 19:01:55.195348 UTC ss1av2p-dfw 10.125.4.20: threadid 4100942736: remote sync information does not need full resync

Conditions:
A socket with value 0 is fine, it means stdin was closed which will make fd 0 available for reuse - such as by a socket.
AVSDB getting scokfd value as 0.
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