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How can I make 2 HDDs to work as one?

by billty99 / August 22, 2006 11:36 PM PDT

I have 2 Hard Disks and I need them to work as one. I mean... they are absolutely identical. Same size, same model, etc. So let's say I install Windows and stuff on the first one. But to be sure, that something won't happen to the information I have, I want the same things to be recorded on the second one realtime. The second one is hidden, so I can't see it, but when I create/delete files they are created/deleted from both HDDs. What program should I use? And if there are files on the second one when I start this process, are they automaticly deleted, or I have to erase everything before I make this?

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That's RAID. Link, comment.
by R. Proffitt Forum moderator / August 22, 2006 11:55 PM PDT
http://en.wikipedia.org/wiki/Redundant_array_of_independent_disks

Your spec is for real time mirror or RAID 1. But let me share that such rarely saves the owner any grief since whatever wiped the files off one drive will dutifully erase the mirror drive too.

Maybe simply copying your files (second copy) will do nicely and without all this work?

Bob
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how about HDD crash?
by billty99 / August 27, 2006 9:46 PM PDT

But what if one of the HDDs crashes? This won't clean the files from the non-crashed HDD, right? Thanks for the link.

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Correct...
by John.Wilkinson / August 28, 2006 12:51 AM PDT
In reply to: how about HDD crash?

If one hard drive fails the other will still maintain a copy of your data. However, there are two instances where you could still lose it all:

1.) A power surge or lightening strike could fry both hard drives at the same time. A good surge protector is always a wise option.

2.) If you contract malware the backup will also be infected. Some is designed to wipe all of your personal files, while a new form of malware encrypts all of your files and will hold them for ransom...the hackers will give you the password to access them only after you pay. A good line of antivirus and antispyware software definitely helps.

In short, though, despite other precautions you should always backup to CDs/DVDs and/or an external hard drive. That greatly reduces the risk of losing it all.

Hope this helps,
John

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Thanks for the info.
by billty99 / August 30, 2006 9:55 PM PDT
In reply to: Correct...

Thank you. I have an UPS, that I've been told is enough for lightning strike and sort of issues. I have an antivirus software. And I have one external HDD for backup :). I'll search for a good antispyware soft too. Thank you again Happy

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A close approximation ...
by Kees Bakker / August 23, 2006 4:25 AM PDT
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10x
by billty99 / August 27, 2006 9:44 PM PDT

Thank you

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