How to Remove and Replace a Sun Storage 3510/3511 FC Array Battery:ATR:1009:0 [Video]

Asset ID:	1-71-1272612.1
Update Date:	2011-05-05
Keywords:

Solution Type Technical Instruction Sure

Solution 1272612.1 : How to Remove and Replace a Sun Storage 3510/3511 FC Array Battery:ATR:1009:0 [Video]

Applies to:

Sun Storage 3510 FC Array - Version: Not Applicable and later [Release: N/A and later ]
Information in this document applies to any platform.

Goal

How to Remove and Replace a Sun Storage 3510/3511 FC Array Battery(3:10)

Solution

PROBLEM OVERVIEW
Defective Battery

WHAT STATE SHOULD THE SYSTEM BE IN TO BE READY TO PERFORM THE RESOLUTION ACTIVITY?

Write cache should be disabled prior to replacing battery to prevent data loss if power event occurs before replacement battery is charged

WHAT ACTION DOES THE CUSTOMER NEED TO TAKE

Check for amber LED on battery, check CLI battery status and location (upper or lower slot). From SC CLI:

sccli> show battery

Prepare array for battery replacement

1. To determine status of write cache on array, access array Main Menu from telnet.

2. Select appropriate mode and press <enter>

3. Clear any pop-up messages with <CTL> + < C> Select Disable pop-ups
   On upper right of Main Menu, Cache Status is displayed. Value to right indicates percentage of controller cache that differs from what is saved to disk. “Clean” means all cache has been saved to disk.

4. From telnet Main Menu, Disable cache:
   a. Select View and edit Configuration parameters
   b. Select Caching Parameters . Note cache state (enabled or disabled).
   c. Select Write-Back Cache Enable ? > No
   d. Disable Write-back cache? >Yes
From sccli, Disable Cache:
   e. sccli -o <ip>(out-of-band) or sccli /dev/dsk/c#t#d#s2(in-band)
   f. Check cache parameters. From sccli> show cache-parameters
   g. Disable cache. sccli> set cache-parameters write-through

5. Verify write-through cache status.

sccli> show cache-parameters

Note: Verify "cache" status led on Raid controller is off

6. Remove ethernet and serial cable from battery module

7. Unscrew and disengage thumbscrews and cables on battery module and use thumbscrews to pull out the battery module

8. Insert new battery module and tighten thumbscrews until finger tight

WARNING: Do not force or apply excessive pressure when inserting battery module

9. Re-attach cables

10. Using CLI (sccli), check battery status and set in service date

sccli> show battery-status
sccli> show battery-status -u
sccli> show battery-status

If second battery needs to be replaced, repeat steps 6-10

11. Confirm controller redundancy.

sccli >show redundancy

12. Restore write cache to original settings. To Enable Write-Back Cache
   a. Select View and edit Configuration parameters
   b. Select Caching Parameters
   c. Select Write-Back Cache Disabled
   d. Enable Write-Back Cache?--> YES

sccli> set cache-parameters write-back

Note:Write cache will enable once battery can protect on-board cache. Verify battery is charging by blinking green light on battery. Battery status LED may remain amber for up to 30 minutes.

13. Verify host access

14. Restart Configuration Services agent to prevent expired battery related messages from recurring. From host, type

/etc/init.d/ssagent stop
/etc/init.d/ssagent start

ADDITIONAL COMMENTS:

1002220.1 Sun StorEdge[TM] 3000 Arrays: Battery Not Fully Charged
1008188.1 Troubleshooting Sun StorEdge[TM] 33x0/351x Battery Problems

Sun StorEdge 3000 Family FRU Installation Guide

See Bug:6315450 - battery expiration message still happens even though battery has been recently changed

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