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SRIOV: LDOM Fcinfo Intermittently Shows HBA State "Unknown" on QLogic Controllers Connected to Tape Devices (Doc ID 2718449.1)

Last updated on OCTOBER 08, 2020

Applies to:

Solaris Operating System - Version 11.4 and later
Information in this document applies to any platform.

Symptoms

This issue started  after we upgraded 11.4.
It was working fine on 11.3 and the same issue happens on almost all 11.4 servers.

We have observed this issue on multiple servers QLogic controllers connected with tape drives.

We observed that QLogic HBA controllers connected to Tape drives, fcinfo intermittently shows "unknown" state after some days,
and it becomes online after reboot . But it will reoccur after some time. Or if I am rebooting any CDOM/IODOM, the respecive
HBA from the domain goes off and become unavailable.

Details:


Release: 5.11
Kernel architecture: sun4
Application architecture: sparc
Domain:
Kernel version: SunOS 5.11 11.4.18.4.0
Entire Version : 11.4-11.4.18.0.1.4.0

c1 and c4 are connected to tape drives:

 

Changes

 his issue started after we upgraded 11.4.
It was working fine on 11.3 and the same issue happens on almost all 11.4 servers.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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