Input/output error on Inifinaband Switch (IB)

(Doc ID 2400271.1)

Last updated on MAY 21, 2018

Applies to:

Exadata X4-2 Hardware - Version All Versions and later
Exadata X5-2 Hardware - Version All Versions and later
Exadata X3-2 Hardware - Version All Versions and later
Exalogic Elastic Cloud X5-2 Hardware - Version X5 to X6 [Release X5 to X6]
Information in this document applies to any platform.

Symptoms

Commands such as disablesm, showdisk are failing on IB Switch.

[root@sw-ibb01 ~]# disablesm
-bash: /usr/local/sbin/disablesm: Input/output error
[root@sw-ibb01 ~]# service opensmd status
touch: cannot touch '/var/run/opensm.pid': Read-only file system
/etc/init.d/opensmd: line 249: read: read error: 0: Input/output error
opensm is stopped
[root@sw-ibb01 ~]#
[root@sw-ibb01 bin]# /usr/local/bin/showdisk
-bash: /usr/local/bin/showdisk: Input/output error
[root@sw-ibb01 bin]#

Cause

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