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Procedure for installing two mirrored SC

By jonathanv_00 ·
I've been accumulating points here on TechRepublic and didn't really notice, so I may as well spend some. . .

Currently, we have a 4.3GB SCSI drive that's getting pretty full. I originally wanted to get a 9GB drive with its own controller, but it turns out that my local shop will give me a 9GB drive for about the same price (~$240) as a controller. So my latest brainstorm is to get two 9GB drives, mirror them, and use the old 4.3 GB drive (formatted FAT) for system and program files. Our no. 1 goal is to increase capacity on the server, and my secondary goal is to provide some fault tolerance.

Here's a plan I came up with -- have I left anything out, or will I to run into any problems? Any comments on how best to arrange these drives will be appreciated.

1. Take down server and install two SCSI hard drives
2. Fire up machine as usual. Go to Disk Administrator, format new drives as NTFS, assign drive letters of F: and G: 3.
3. ImageCopy (using trial version) C: toF:
4. Rewrite boot.

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Procedure for installing two mirrored SC

by Nate from RI In reply to Procedure for installing ...

In Disk Admin, you must mirror before formatting or creating partitions. If there are partitions, remove them. Select one drive, then Shift-Click to select the other. Under the "Fault Tolerance" menu, select Establish Mirror. From then on, treatthem as one drive.

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Procedure for installing two mirrored SC

by jonathanv_00 In reply to Procedure for installing ...

Actually, I lied, Nate -- this did help, but I want to give points to the other folks with more detailed answers. Look for a question with your name on it for some consolation points, and thanks!

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Procedure for installing two mirrored SC

by calves In reply to Procedure for installing ...

You didn't mention a backup system.
Well, I've never used Imagecopy, but I've used Ghost. Here goes my opnion:
Take out 4.3 GB disk, install 1 9 Gb disk.
Install OS and SP. keep 9 GB disk and install 4.3 disk as second disk. copy relevant foldersto 9 GB disk. Install 2nd 9 GB disk and create the mirror. Everything working properly, format 4.3 disk and keep for additional storage.
You can also, keep the 4.3 Gb disk, install 1 9 Gb disk, partition it with disk manager with the exactly samesize as the 4.3 disk and mirror it. Break the mirror, install 9
GB as primary boot disk, install 4.3 and 9 GB disk and create your mirror between 2 9 GB. format 4.3 for extra storage.

Good Luck!

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Procedure for installing two mirrored SC

by jonathanv_00 In reply to Procedure for installing ...

I do have a tape backup system (using Veritas), so I guess I can copy data from that if it's easier.

I think I like the second option, because it will cause minimal disruption to the rest of the office for the day while I do this.

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Procedure for installing two mirrored SC

by Aaron V In reply to Procedure for installing ...

As an alternative, you could use the 9GB disk, and mirror your boot disk to that. Then use the other half of the new SCSI disk as additional storage. Then you could skip steps 3 and 4.

So, install disk
Use Disk Admin, Mirror boot drive
Formatrest of new disk

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Procedure for installing two mirrored SC

by jonathanv_00 In reply to Procedure for installing ...

Thanks, but that doesn't really help much with the fault-tolerance part. Part of what's missing in my opening question is that I want to end up with a FAT partition for system and program files, in case of emergency.

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Procedure for installing two mirrored SC

by curlergirl In reply to Procedure for installing ...

I'm not sure why steps 3 and 4? Unless you want to be able to boot from one of the 9GB drives? I don't know anything about ImageCopy, but I know with Ghost you can't Ghost a FAT partition to an NTFS partition - the restored partition will change the file system as well. As to mirroring the two drives, the way I'd do it is to format one drive, move any files and folders you want to that drive, then without formatting or partitioning the second drive, create the mirror and this will mirror all the files/folders you moved to drive F to the mirror drive. Hope this helps!

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Procedure for installing two mirrored SC

by jonathanv_00 In reply to Procedure for installing ...

Sorry, folks -- The rest of my procedure was cut off with no warning about exceeding 1000 words. Here's the rest:
4. Rewrite boot.ini to boot to F:
5. Reboot to F:. Confirm that files have been copied over from C: drive
6. Go to Disk Administrator and format C: as FAT
7. Reinstall Windows NT and programs to C:
8. Rewrite boot.ini to boot to c:
9. Reboot to C:
10. Disk Administrator -- Mirror F: and G: drives

I now realize that I have some of the steps backward -- when to mirror,etc.

Anyway, thanks to all -- this place is almost better than Experts Exchange, although I don't like that I'm forced to answer q's right away. I prefer to let comments accumulate and some discussion to take place.

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