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In this Document

Goal

Solution

Applies to:

Goal

How to Remove and Replace a Dual/Duplex 2500 RAID Controller (CRU)

Solution

DISPATCH INSTRUCTIONS

WHAT SKILLS DOES THE ENGINEER NEED:(IS A SITE ENGINEER AVAILABLE?)
Sun/StorageTek Midrange or LCA Disk Products, CAM

TASK COMPLEXITY: 0

TIME ESTIMATE: 60 minutes

FIELD ENGINEER INSTRUCTIONS

PROBLEM OVERVIEW:
RAID controller failed or defective.

WHAT STATE SHOULD THE SYSTEM BE IN TO BE READY TO PERFORM THE RESOLUTION ACTIVITY? :
Array power must be on. DO NOT replace the controller with the power off.

Array power must be on
There is no need to suspend I/O activity

WHAT ACTION DOES THE ENGINEER NEED TO TAKE:

NOTE: If ASR is enabled, it should be deactivated temporarily before servicing the equipment so that additional unnecessary Service Requests are not created.

DEACTIVATING ASR WITH CAM 6.10: ASR is automatically deactivated when you select "Reserve the tray for maintenance" in Service Advisor, and it is reactivated when you select "Release the tray from maintenance" in Service Advisor.

DEACTIVATING ASR WITH CAM 6.9 OR EARLIER: Before proceeding with the part replacement:

1. Log into CAM.
2. Go to "Storage Systems" -> [your arrayname] -> "Administration" -> "Array Health Monitoring".
3. Uncheck the box "Enable ASR for this array" under the section "Monitoring for This Array". If the box is already unchecked, there is no action required. Remember the status however, as it will matter in step 3 of REACTIVATING ASR WITH CAM 6.9 OR EARLIER below.
4. Click on "Save" if you have unchecked the box in step 3 above.

1. Locate the failed controller by checking the Service Action Required indicator lights on the controller in the control module.
2. Use the storage management software to perform the following actions:

a) Generate a current CRU inventory
b) Print a storage system profile.
c) Move volume ownership to the other controller.
d) Move the failed controller to an Offline state.
-The controller "State" should be "Enabled but Offline" and the "Status" should be "Error".
If the controller "Status" is not "Error" contact your Sun Service provider or next level of technical support.

3. Launch the CAM software.
    a) Log into Common Array Manager
    b) Launch the Service Advisor.
    c) Follow the steps for Controller Removal/Replacement.

OBTAIN CUSTOMER ACCEPTANCE

WHAT ACTION DOES THE CUSTOMER NEED TO TAKE TO RETURN THE SYSTEM TO AN OPERATIONAL STATE:

1. Be sure that the volumes are re-balanced among controllers A and B.
2. Health check the array.

REACTIVATING ASR with CAM 6.10: ASR is automatically deactivated when you select "Reserve the tray for maintenance" in Service Advisor, and it is reactivated when you select "Release the tray from maintenance" in Service Advisor. If ASR was not enabled before beginning this procedure, selecting "Release the tray from maintenance" will not activate it.

REACTIVATING ASR WITH CAM 6.9 OR EARLIER: After proceeding with the part replacement:

1. Log into CAM.
2. Go to "Storage Systems" -> [your arrayname] -> "Administration" -> "Array Health Monitoring".
3. Check the box "Enable ASR for this array" under the section "Monitoring for This Array". Do this ONLY if you unchecked the box in step 3 of DEACTIVATING ASR WITH CAM 6.9 OR EARLIER. If you found the box was unchecked, leave it unchecked now.
4. Click on "Save" if you have checked the box to reactivate ASR.

REFERENCE INFORMATION:
The Service Advisor in CAM.

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