My Oracle Support Banner

Sun Storage 3310 SCSI Array: Resolving SCSI Bus Resets and Transport Errors When Using the Ultra320 Host Bus Adapter (Doc ID 1012309.1)

Last updated on MARCH 06, 2018

Applies to:

Sun Storage 3310 Array - Version Not Applicable and later
All Platforms

Symptoms

This document describes how to identify and resolve SCSI bus resets and transfer rate problems on systems connected to a Sun Storage 3310 SCSI Array or Sun Storage 3310 JBOD via an Ultra320 host bus adapter (HBA). Symptoms may include entries in /var/adm/messages such as:


These messages could be accompanied by read/write errors such as:

Jan 16 04:04:21 hostname  scsi: [ID 107833 kern.warning] WARNING: /pci@1f,4000/scsi@4/sd@0,5 (sd76):
Jan 16 04:04:21 hostname     Error for Command: write                   Error Level: Retryable
Jan 16 04:04:21 hostname  scsi: [ID 107833 kern.notice]     Requested Block: 153264                    Error Block: 153264

Jan 16 04:04:21 hostname  scsi: [ID 107833 kern.notice]     Vendor: SUN                               Serial Number: 1ACACDB1-05
Jan 16 04:04:21 hostname  scsi: [ID 107833 kern.notice]     Sense Key: Unit Attention
Jan 16 04:04:21 hostname  scsi: [ID 107833 kern.notice]     ASC: 0x29 (power on, reset, or bus reset occurred), ASCQ: 0x0, FRU: 0x0

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.