Revised July 1, 2011

September 23, 2008

NOTICE:

THIS FIELD NOTICE IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTY OF MERCHANTABILITY. YOUR USE OF THE INFORMATION ON THE FIELD NOTICE OR MATERIALS LINKED FROM THE FIELD NOTICE IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS FIELD NOTICE AT ANY TIME.

Revision History

Revision	Date	Comment
1.3	1-JUL-2011	Updated Workaround/Solution section with updated information on how to find the firmware upgrade instructions.
1.2	29-MAR-2011	Updated Workaround/Solution section with proper FW versions 15427 and updated Cisco Bug ID for WAAS defect.
1.1	15-FEB-2011	Updated link for firmware download and firmware version number in the Workaround/Solution section.
1.0	23-SEP-2008	Initial Public Release

Products Affected

Products Affected
WAE 600 - WAE-674-K9
WAE 700 - WAE-7341-K9
WAE 700 - WAE-7371-K9

Problem Description

A problem has been identified in the RAID controller firmware used in the products listed below, which under certain rare circumstances can cause the disk storage sub-system to go offline and the affected devices to hang:

WAE-674
WAE-7341
WAE-7371

Background

The defects mentioned above have been resolved and a new firmware is available, which addresses the defects. All users of the affected products listed above are recommended to update to this new version of RAID controller firmware.

Problem Symptoms

Symptoms include:

1) WAE hangs after reload on an event which triggers a file system rebuild, such as disk encryption on/off.

2) WAE goes to kdb on reload while the file system is building up/during traffic.

3) File system becomes read-only during traffic.

4) RAID controller goes offline.

5) Unable to load a WAAS image.

6) WAE hangs randomly during traffic.

7) show disk details takes a very long time to respond, sometimes a few hours.

8) RAID failure alarm is shown.

Workaround/Solution

Solution:

Upgrade to the 5.2-0 (15427) RAID Controller Firmware, which can be found on cisco.com at the WAAS Firmware Download area (registered customers only) page.

The Firmware Binary Image is named L4_15427_FIRMWARE.bin.

Instructions on how to apply the firmware update are posted on cisco.com together with the firmware in the file named L4_15427_FIRMWARE.pdf, which you can see after you click the Download link for the firmware.

DDTS

To follow the bug ID link below and see detailed bug information, you must be a registered customer and you must be logged in.

DDTS	Description
CSCso21714 (registered customers only)	ACNS Defect
CSCsr75784 (registered customers only)	WAAS Defect

For More Information

If you require further assistance, or if you have any further questions regarding this field notice, please contact the Cisco Systems Technical Assistance Center (TAC) by one of the following methods:

• Open a service request on Cisco.com
• By email
• By telephone

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