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- Sun Proprietary/Confidential: Internal Use Only -
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                            FIELD INFORMATION NOTICE
                  (For Authorized Distribution by SunService)

FIN #: I0606-1

Create Date: Aug/22/00

Keywords: 

Off-line diagnostic test on Sun StorEdge T3 partner pairs may inadvertently put the units into a reboot loop which may require a power-cycle to break out of the loop

Top FIN/FCO Report: No

Products Reference: Sun StorEdge T3 Disk Array

Product Category: Storage / Diagnostics ; Storage / T3

Product Affected: 

Mkt_ID   Platform   Model   Description                   Serial Number
------   --------   -----   -----------                   -------------

Systems Affected
----------------
  -      ANYSYS       -     System Platform Independent         -
  
X-Options Affected
------------------
SG-XARY633A-327G   -   -  2 T3 Arrays, 18X18.2GB w/RK Kit       -
SG-ARY633A-327GR4  -   -  2 T3 Arrays, 18X18.2GB                -
SG-ARY633A-327GR5  -   -  2 T3 Arrays, 18X18.2GB                -
SG-ARY643A-655G	   -   -  2 T3 Arrays, 18X36.4GB w/RK Kit       -
SG-ARY643A-655GR4  -   -  2 T3 Arrays, 18X36.4GB                -
SG-ARY643A-655GR5  -   -  2 T3 Arrays, 18X36.4GB                -
SG-XARY633A-655G   -   -  655GB Sun StorEdge T3	                -
SG-ARY633A-655G	   -   -  655GB Sun StorEdge T3	                -
SG-XARY643A-1310G  -   -  1310GB Sun StorEdge T3                -
SG-ARY643A-1310G   -   -  1310GB Sun StorEdge T3                -
SG-XARY633A-1310G  -   -  8 Arrays, 1 72" Rack, 72X18.2GB       -
SG-XARY643A-2620G  -   -  8 T3 Arrays, 1 72" Rack, 72X 36.4GB   -

Parts Affected: 

Part Number   	Description   	Model
-----------   	-----------   	-----
     -               -            -

References: 

BugID:   4339555, 4340656, 4338471, 4341673
MANUAL:  806-4213-10 - Sun StorEdge T300 Field Service Manual
URL:     http://edist.central/smcc/doc/806/806-4213-10/

Issue Description: 

During the course of performing off-line diagnostic testing on the
Sun StorEdge T3 partner pairs with dual RAID controllers, or ES
configurations, field service engineers could inadvertently put the
units into a reboot loop, requiring a power-cycle to break out of
the loop.  This problem is caused by bugs in the T3 firmware
(see BugIDs in the References section above).

The intent of this FIN is to communicate information to field service
personnel regarding troubleshooting sequences that should be avoided
when performing T3 Off-Line Diagnostics (OFDG), which are troubleshooting
routines designed to help field service personnel identify weak components
within the T3 partner group.

All T3-ES partner pair configurations shipped after July 10th, 2000
with rev. 1.13 firmware are at risk of having problems during off-line
diagnostic testing if certain troubleshooting sequences are not avoided.
This problem will be corrected in rev. 1.16 firmware currently slated
for release in October 2000.

Implementation: 

---
        |   |   MANDATORY (Fully Pro-Active)
         ---    


         ---
        |   |   CONTROLLED PRO-ACTIVE (per Sun Geo Plan) 
         ---

                          
         ---
        | X |   REACTIVE (As Required)
         ---

Corrective Action: 

The following recommendation is provided as a guideline for Authorized
Enterprise Services Representatives that may be encountering the above
mentioned problem;

The workaround solutions to each problem are described in the following
BugIDs as shown below:
 
 ---------------------------------------------------------------------------
|   Bug ID    Synopsis                      Cat  Workaround Solution        |
|   ------    --------                      ---  -------------------        |
|   4339555   Running OFDG on a system 	    FW 	 Powercycle if you get      | 
|             with Multiple FRU failures         into boot loop.            |
|	      can cause the system to                                       |
|	      reboot.OFDG run with a bad                                    |
|	      u211 causes T3 reboot loop.                                   |
 ---------------------------------------------------------------------------
|   4340656   Running ofdg fast_find with   FW   Don't run ofdg fast_find.  |
|             bad drive in u2 causes u1  	 Powercycle if multi-drives |
|             drives in to be bypassed.          bypassed.                  | 
 ---------------------------------------------------------------------------
|   4338471   Open in interconnect cable    FW   Don't run ofdg fast_find.  |
|             between u1l1 & u2l1 causes      	 If multiple loop card      |
|	      ofdg to fail on all lpc.       	 failures are reported,     |
|	      OFDG may incorrectly indicate      recommend replacing        | 
|	      multiple loop card failures        interconnect cables first. | 
|	      if there is a broken pin in                                   |
|             an interconnect cable.      	                            |
 ---------------------------------------------------------------------------
|   4341673   Inconsistent OFDG results     FW   Don't run ofdg fast_find.  |
|             flagging failed loop cards    	 Recommend replacing unit   |
|             can be indicative of a serial  	 interconnect cables if	    |
|             line failure in the    		 inconsistent results	    |
|             unit interconnect cable.           in OFDG is observed.       |	
 ---------------------------------------------------------------------------

Comments: 

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Implementation Footnote: 

i)   In case of MANDATORY FINs, Enterprise Services will attempt to    
     contact all affected customers to recommend implementation of 
     the FIN. 
   
ii)  For CONTROLLED PROACTIVE FINs, Enterprise Services mission critical    
     support teams will recommend implementation of the FIN  (to their  
     respective accounts), at the convenience of the customer. 

iii) For REACTIVE FINs, Enterprise Services will implement the FIN as the   
     need arises.
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