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Hard disk change on RAID 1

By rguess ·
I have 2 18GB SCSI hard drives running in a RAID 1 (Mirrored) configuration on a Compaw Proliant server. I would like to swap out the 2 18GB hard drives for 2 76GB hard drives. How can I do this without losing any data or crashing the server? Any help would be greatly apreciated. Thanks.

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Hard disk change on RAID 1

by cul8rm8e In reply to Hard disk change on RAID ...

My thought would be to break the mirror and uninstall the drive from the machine,(then physically remove) install new SCSI drive,recreate the mirror and edit your boot.ini file to boot from this new 76gig drive (before doing this copy your boot.ini file to disc just incase you have boot problems which you can then boot to Recovery Console and replace)at this point do the same procedure (break mirror)and remove other 18gig from the machine and install your other 76 gig and then recreate mirror!
the other option would be to break mirror do a SYSPREP and image your main drive, remove both old drives and replace with new then image back to new disc then recreate your mirror.

The only thing that would concern me would be during the time of breaking mirror there is no fault tollerance so backing up critical data to other storage would im sure be a safeguard against all hitting the fan!

good luck.

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Hard disk change on RAID 1

by rguess In reply to Hard disk change on RAID ...

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Hard disk change on RAID 1

by Tim.Doyle In reply to Hard disk change on RAID ...

What OS are you runing? Is you system a hot swap capable system with a mirroring RAID controller or are you just mirroring 2 SCSI drives?

I'd say you could shut down the server and replace the secondary drive with the new biggerone, let it mirror, break the mirror, put the new secondary drive in as the primary drive, reboot, stretch the partition to use the whole drive (or create a new partition if you don't mind adding drive letters or volume names), shut down, add the second big drive and re-establish your mirror.

Make sure you're adequately backed up beforehand of course...pulling your original secondary drive out first is a good way to go about this, but I'd do a tape backup too, just in case.

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Hard disk change on RAID 1

by rguess In reply to Hard disk change on RAID ...

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Hard disk change on RAID 1

by rguess In reply to Hard disk change on RAID ...

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