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Moving NT from a Raid 1 to a Raid 5

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5 replies

by s.gautier

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Hi !
I would like to move an installed NT server from a Raid 1 (now 2 disks) to a Raid 5 on the same controller by just adding a new disk and next with the 3 disks to create the new array.
How can i proceed securely ?

5 replies

by ntoz

First, if your asking if you can convert an existing mirror or single disk to Raid 5, the answer is no.

You dont mention if your using hardware raid or software raid on this system. I would highly recomend hardware raid, it wins performance and reliablity hands down to any other type of raid, the drawback, money. Some hardware controlers may offer the ablity to convert from a single drive into a raid array, so I wont say its impossible from that standpoint.

I would suggest that if your moving to a raid array, software or hardware that you might leave the mirror partition for the boot and system partiion and create a new Raid 5 array in which you can store your data files.

Pete

by baadil

Create at least TWO backups of your data. Verify it. Create raid 5. Restore the data. Depending on your hardware it can be as simple as one touch restore, or in some cases manually load OS and then apps before restoring the data. HP has such backup drives which will let you boot from the backup tape and restore the whole system with one touch.

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