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тАО09-02-2003 04:57 AM
тАО09-02-2003 04:57 AM
Nike 20 A3550AZ Controller Replacement
My question is when replacing the controller is there anything too keep in mind? The controller I am getting is from another system. Are there any precautions I should take.
Thanks...
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тАО09-02-2003 05:17 AM
тАО09-02-2003 05:17 AM
Re: Nike 20 A3550AZ Controller Replacement
disable the defective controller before you pull it out, there is a switch labelled accordingly. Before you insert the new, disable it as well. After it is inserted, enable it. Should have same firmware as the other / replaced controller. Though I admit I never tested what would have happened if this was not the case.
Regards,
Bernhard
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тАО09-02-2003 05:19 AM
тАО09-02-2003 05:19 AM
Re: Nike 20 A3550AZ Controller Replacement
Regards,
Bernhard
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тАО09-02-2003 06:35 AM
тАО09-02-2003 06:35 AM
Re: Nike 20 A3550AZ Controller Replacement
SPs only keep boot code. Firmware (flare code) image is stored on the database disks. So do not worry about firmwares
Eugeny
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тАО09-05-2003 04:23 AM
тАО09-05-2003 04:23 AM
Re: Nike 20 A3550AZ Controller Replacement
Thanks for the reply. Just FYI I have another Nike 20 that has been working just fine with SP-A having Prom 1.73 and Microcode 08.27 and SP-B having Prom 1.57 and Microcode 08.27.
Also, I did not see a switch labeled "disable". Aren't these cards hot plugable?
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тАО09-05-2003 04:30 AM
тАО09-05-2003 04:30 AM
Re: Nike 20 A3550AZ Controller Replacement
I glad you mentioned Flare Code. That brings up another question. I want to upgrade certain partitions on the Nike 20.
When upgrading disks 4 -> 8GB how do I make sure the Flare Code stays intact. I know it is on specific drives, but don't know which.
If I plan to upgrade a disk that has Flare on it how do put Flare back on it?
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тАО09-05-2003 11:50 AM
тАО09-05-2003 11:50 AM
Re: Nike 20 A3550AZ Controller Replacement
I think that procedure should be as follows - if you want to replace all disks within one bound LUN you need to do it on the operating array:
1. backup affected LUN (better whole disk array to be on the safe track);
2. unbind affected LUN;
3. replace drives;
4. make sure array is healthy and all new disks are claimed (through array's presentation utility). Array should copy flare code to database drive automatically;
5. bind new LUN on new drives;
6. restore data.
Remember that Nike only accepts HP OEMed drives with special firmware on them. Do not even try to install any native seagate or IBM drives - they will not work.
Bind disks of the same capacity and if possible same vendor (IBM or Seagate)
Eugeny