Getting SCSI WARNING messages in syslog when using MPXIO

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Article ID: 100024649

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Description

Error Message

May 18 13:05:43 node11 scsi: [ID 107833 kern.warning] WARNING: /scsi_vhci/ssd@g60060e8005bfa1000000bfa100000189 (ssd24):
May 18 13:05:43 node11 Error for Command: read(10)                Error Level: Retryable
May 18 13:05:43 node11 scsi: [ID 107833 kern.notice] Requested Block: 272                       Error Block: 272
May 18 13:05:43 node11 scsi: [ID 107833 kern.notice] Vendor: HP                                 Serial Number: 50 0BFA10189
May 18 13:05:43 node11 scsi: [ID 107833 kern.notice] Sense Key: Unit Attention
May 18 13:05:43 node11 scsi: [ID 107833 kern.notice] ASC: 0x2a (reservations preempted), ASCQ: 0x3, FRU: 0x0
 

Cause

Storage Foundation (SF) on Solaris sparc and X64 is supported with MPXIO on Sun Storage hardware only. Storage Foundation does not support MPXIO on non-Sun storage arrays. MPXIO is not supported with IO Fencing.

Resolution

Disable MPXIO when using IO Fencing. 

Please refer to KB articles in "Related Articles:" section below for additional details on MPXIO configuration.


Applies To

- Solaris 10

- VxVM 5.0 MP3

- MPXIO

Issue/Introduction

Getting SCSI WARNING messages in syslog (/var/adm/messages) when failing over disk group with IO fencing enabled. These WARNING messages, do not affect the successful import of the disk group.
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