UEK: "connection<backing_dev_info ID>: detected conn error (1020)" While Logoff ISCSI(SUN ZFS Storage) Session Gracefully (Doc ID 1641484.1)

Last updated on DECEMBER 21, 2016

Applies to:

Linux OS - Version Oracle Linux 5.5 with Unbreakable Enterprise Kernel [2.6.32] and later
Linux x86
Linux x86-64

Symptoms

Under UEK kernel, log in iscsi session:

 

Changes

Detected conn error ID 1001 ~ 1020 are dedicated for iscsi connection errors. Per "detected conn error (1020)" indicates ISCSI_ERR_TCP_CONN_CLOSE.

Cause

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