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windows NT mirror

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by bturnham

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I have a windows NT PDC that has two hard drives one is a master on ide1 the othe a master on ide2. I want to use a tape device for backups the tape needs to be on ide2 with no other harddrive. Simple question what is the best way to break the mirror. can i just take the second hard drive off. should i break it in disk administrator. If i romve the second hard drive and the first one failed would i be able to boot into the second. I really cant crash this server $$$. Thanks for any help.

3 replies

by green lantern

1 - Create an NT bootable floppy. Insructions are in the NT 4 reskit and on technet. This will allow you to boot from either disk as you select. Of course yo umust modify the boot.ini file on the floppy to reflect these options.
2 - Since you can't make a backup, at least create a current erd.
3 - Use disk manager to break your mirror.
4 - Turn off the machine.
5 - Move your mirror disk to the first ID channel. Be sure to change the pins to master and slave if required on these drives.6 - Install your tape drive.
7 - Boot, use disk manager to wipe your mirror disk then recreate your mirror.
8 - Make a good backup, store your bootable floppy in a secure place. Update your ERD.

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