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тАО04-27-2004 09:02 PM
тАО04-27-2004 09:02 PM
Re: RAID 1 System Disk replacement - Quick 10 points!
I guess I am following all the guidelines that you have mentioned and the ones I am aware of. EXCEPT, there are other disks connected to the same array controller, part of different RAID sets.
Interestingly, I have used the same procedure to achieve my goal on a SAN Management appliance (Proliant DL380 with Integrated Smart Array Controller, BUT with no other drives connected to the controller).So, I am quite keen to rule out what you suggest, i.e. if there are other drives connected to the same array controller, whether it works or not!
I will give this a go tomorrow and will let the forum know.
Ciao!
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тАО04-27-2004 09:06 PM
тАО04-27-2004 09:06 PM
Re: RAID 1 System Disk replacement - Quick 10 points!
As I said, the way I do it is to shut down the systems before changing disks and run with only half of the mirrored pair at each step until I get a solution that I am happy with. Then I let the mirror rebuild.
What I said is exactly what Michael is doing its just that he worded it slightly differently.
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тАО04-27-2004 09:30 PM
тАО04-27-2004 09:30 PM
Re: RAID 1 System Disk replacement - Quick 10 points!
Sorry, I somehow forgot to assign points to your post. Okay, here is what I do:
1. Shut down the host.
2. Take one drive (out of the two drives RAID 1 set [system volume]).
3. Keep the drive taken in the above step away.
4. Boot the system with just one drive. Boots up fine.
5. Shut down the host.
6. Insert the safe disk from step2 in its original slot and pull out the other drive.
7. Reboot.
8. POST Message:
Press "F1" - all logical drive(s) will remain disabled
Press "F2" - to fail drives that are not responding - Interim recovery mode will be enabled if configured for fault tolerance.
9. I pressed "F2". I instantly got a message indicating the drive array has failed and windows would not boot. It starts attempting a boot off the NIC, assigning DHCP stuff.
What am I missing?
Cheers!
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тАО04-27-2004 10:29 PM
тАО04-27-2004 10:29 PM
Re: RAID 1 System Disk replacement - Quick 10 points!
Not sure what's going wrong here. I'm sure that is the way that I have done it in the past, I can only think that HP have changed something in the firmware and the Array controller is now recognising that a drive with a later timestamp has be used.
I will try to lab this if I get a chance later.
Sorry it didn't work for you.
Colin
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тАО04-27-2004 10:39 PM
тАО04-27-2004 10:39 PM
Re: RAID 1 System Disk replacement - Quick 10 points!
When I use the old two drives (that were part of the original RAID 1 set) in their original slots, the smart array detects the attachment of a *logical drive* and boots Windows fine. Thats how I got the server back.
Hope, this helps or perhaps make it more fun!
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тАО04-27-2004 10:43 PM
тАО04-27-2004 10:43 PM
Re: RAID 1 System Disk replacement - Quick 10 points!
Now if you have two arrays and are doing this exercise, here what├в s going to happen ├в
When you pull one drive out in the RAID 1 (say ID 0) ├в and press F2 to go to interim recovery you have up dated the array configuration on all drives (including the drives on the other array) indicating that id 0 has failed on the RAID 1. Now you pull out the surviving mirror in the RAID 1 (ID 1) and boot the server ├в now when you hit f2 to go to interim recovery you are updating the array configuration to indicated that ID 1 has failed ├в so now the array configuration has the information that ID1 and ID0 of the RAID 1 has failed and fa
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тАО04-27-2004 10:45 PM
тАО04-27-2004 10:45 PM
Re: RAID 1 System Disk replacement - Quick 10 points!
Now if you have two arrays and are doing this exercise, here what├в s going to happen ├в
When you pull one drive out in the RAID 1 (say ID 0) ├в and press F2 to go to interim recovery you have up dated the array configuration on all drives (including the drives on the other array) indicating that id 0 has failed on the RAID 1. Now you pull out the surviving mirror in the RAID 1 (ID 1) and boot the server ├в now when you hit f2 to go to interim recovery you are updating the array configuration to indicated that ID 1 has failed ├в so now the array configuration has the information that ID1 and ID0 of the RAID 1 has failed and fa
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тАО04-27-2004 10:48 PM
тАО04-27-2004 10:48 PM
Re: RAID 1 System Disk replacement - Quick 10 points!
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тАО04-27-2004 11:34 PM
тАО04-27-2004 11:34 PM
Re: RAID 1 System Disk replacement - Quick 10 points!
This being the case, it is not possible for Saket to do what his is trying to for the reasons that your explain.
Case closed I think.
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тАО04-28-2004 06:54 PM
тАО04-28-2004 06:54 PM
Re: RAID 1 System Disk replacement - Quick 10 points!
I have the same problem, resolved
using scripting utility ..
Save config of smart configurationon on floppy disk.
Whith ACR utility, you can read & save & modify & replace the ARRAY CONFIGURATION for all your purpose.
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