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Asset ID: 1-72-1483481.1
Update Date:2018-01-08
Keywords:

Solution Type  Problem Resolution Sure

Solution  1483481.1 :   Pillar Axiom: Generates Strings Unbalanced Warnng Event Message approximately once per day  


Related Items
  • Pillar Axiom 600 Storage System
  •  
  • Pillar Axiom 500 Storage System
  •  
Related Categories
  • PLA-Support>Sun Systems>DISK>Axiom>SN-DK: Ax600
  •  


The Warning event Brick Strings Not Balanced event is generated approximately once per day by the Axiom 500 and 600 if the number of Bricks on each string are not equal. 
The event has been suppressed in release 5.4.0 and higher for the Ax500 and Ax600.

In this Document
Symptoms
Cause
Solution
References


Created from <SR 3-5510681331>

Applies to:

Pillar Axiom 600 Storage System - Version Not Applicable to Not Applicable [Release N/A]
Pillar Axiom 500 Storage System - Version Not Applicable to Not Applicable [Release N/A]
Information in this document applies to any platform.

Symptoms

Applies to:  Ax500 or Ax600 at Release 5.x

The Ax500 or Ax600 may generate a Warning level Event indicating that Brick Strings are not Balanced.

This event is generated approximately once every 24 hours. 

The Event Log will contain entries at a daily interval:

2012-08-01T18:09:16.820     WARNING         BRICK_STRINGS_NOT_BALANCED
2012-07-31T18:09:16.403     WARNING         BRICK_STRINGS_NOT_BALANCED
2012-07-30T18:09:16.001     WARNING         BRICK_STRINGS_NOT_BALANCED
2012-07-29T18:09:15.572     WARNING         BRICK_STRINGS_NOT_BALANCED
2012-07-28T18:09:15.161     WARNING         BRICK_STRINGS_NOT_BALANCED
2012-07-27T18:09:14.778     WARNING         BRICK_STRINGS_NOT_BALANCED
2012-07-26T18:09:14.384     WARNING         BRICK_STRINGS_NOT_BALANCED
2012-07-25T18:09:13.979     WARNING         BRICK_STRINGS_NOT_BALANCED
2012-07-24T18:09:13.578     WARNING         BRICK_STRINGS_NOT_BALANCED
2012-07-23T18:09:13.194     WARNING         BRICK_STRINGS_NOT_BALANCED

 

Cause

The event was intended to warn if the exact number of bricks in each string, or FC loop, on the Axiom Slammers is not the same.

The Pilot Software counts the number of nodes on the internal FibreChannel loops, and generates this event once per day if the number of nodes on each string is not exactly the same as the number on other strings.

The threshold for this event is brick strings where any string has at least two bricks more or less than another string. 

The event will be suppressed in a future Axiom release, as the method used to generate it does not consider the brick load, or that an unbalance of only two bricks has little to no effect. 

Solution

No action should be taken as a result of this event. 

This event was suppressed in release 5.4.0.

The length of the Brick Strings and the rules for the number and type of Bricks are documented in the Installation, Service, and SSF Cabling Guides.   

References

<BUG:14489563> - DAILY BRICK_STRINGS_NOT_BALANCED WARNING EVENTS SR 3-5510681331

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