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Old 08-25-2003, 03:36 AM   #1
Registered: Aug 2003
Distribution: Linux AS & RH 9
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How to Mirror HD?

I have a 20 GB hard disk with 3 partitions including swap partition. Now I want to install another 20GM HD and then want to create mirror. I have not seen any option so let me know how to do this?
Old 08-25-2003, 04:26 AM   #2
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I think to do that in real time you would need to use raid. It may require that you get a raid controller card.

Of course you could run a cron job that could copy one to the other each night, but I think what you are talking about requires raid.
Old 08-25-2003, 04:37 AM   #3
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In our Windows setup we use raid card when we implement stripe set with parity but in simple mirroring we just install 2 hd's on the same controller and from the OS generate mirror.
Old 08-25-2003, 10:39 AM   #4
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Mirror is known as Raid_1, it can be configure as Hardware and Software Raid. Hardware raid requierd an raid card, and security wise better then software, and Software raid depands it software or on operating system.
Visit following sites for more info help fot how to configure.

Old 08-25-2003, 11:16 AM   #5
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Thanks for such nice links. Please elaborate a little "and security wise better then software" here you mean what kind of security? We have RAID 5 with us as well.


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