How To Forcefully Close FIN_WAIT2 Stale Connection
(Doc ID 2396675.1)
Last updated on MARCH 08, 2023
Applies to:
Linux OS - Version Oracle Linux 6.9 to Oracle Linux 7.4 [Release OL6U9 to OL7U4]Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64
Linux x86
Goal
Due to known issue with UEK4 and FIN_WAIT2 which is explained in km note:
Linux NFS Mount on HP NAS Server Suffers from Intermittent Hangs and Timeouts (Doc ID 2390756.1)
Client system is now affected by many stale FIN_WAIT2 connections:
# netstat -peantu |grep 1.1.1.1
tcp 0 0 1.1.1.1:0000 2.2.2.2:1111 FIN_WAIT2 0 3563844596 -
tcp 0 0 1.1.1.1:0000 2.2.2.2:1111 FIN_WAIT2 0 3563844596 -
tcp 0 0 1.1.1.1:0000 2.2.2.2:1111 FIN_WAIT2 0 3563844596 -
tcp 0 0 1.1.1.1:0000 2.2.2.2:1111 FIN_WAIT2 0 3563844596 -
tcp 0 0 1.1.1.1:0000 2.2.2.2:1111 FIN_WAIT2 0 3563844596 -
tcp 0 0 1.1.1.1:0000 2.2.2.2:1111 FIN_WAIT2 0 3563844596 -
tcp 0 0 1.1.1.1:0000 2.2.2.2:1111 FIN_WAIT2 0 3563844596 -
How above connections can be closed forcefully ?
Solution
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In this Document
| Goal |
| Solution |
| References |