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I've got two 2TB HDD's I want to back them up. Please help.

post #1 of 8
Thread Starter 
I'm kinda noobish when it comes to raid stuff. Originally I thought about just buying another two 2TB HDD's and then coping each one to another, so then each original one would have duplicate backup. But thought this is not a good ideal there must be a better cheaper way. The two 2TB ext docks that I have are old and slow and going bad soon maybe there like both 90% full by the way. I want to buy new HDD's and xfer them to a raid setup.

I will put the drives in my tower, My mobo supports1-5-10 I can't use 10 cause I read with 10 you have to have at least 4 drives. I'll be using the mother board software. The diff with raid 1 and 5 is that I'll have to buy two more HDD's and keep them blank correct ? so raid 1 just makes/keeps backups of your two HDD's.

With Raid 5 I just have to buy one more HDD so 3 total. Now can I add more data to this 3rd drive or do I have to keep it blank and not add anything to it ?

If my assumptions are correct I'd rather go with the Raid 5 setup. Also I should not use WD Green drives thats what I read somewhere else.

Is it best that all 3 drives are the same model ? Are Barracuda 2TB 7,200 RPM a good choice ?

It's not complicated to set this up right
Edited by Subzero11 - 7/25/13 at 6:32pm
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post #2 of 8
In my opinion just go ahead an setup RAID 1.
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post #3 of 8
Thread Starter 
Quote:
Originally Posted by Speedster159 View Post

In my opinion just go ahead an setup RAID 1.
yay but I'll have two buy two more HDD's instead one more if I go with raid 5.



Why so ?? I'll have two buy two more HDD's instead one more if I go with raid 5.
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post #4 of 8
Redundant
Array
Independent
Disks

Not trying to be rude but seriously Google it. By the time we explain it to you we will all be fed up. Ah here: LINK

Not too sure what your end goal is here.
According to your Sig rig you have 1 1tb drive.
Is there already data on both of the 2tb disks. anything on them would be lost building a raid with them.

"Consumer" level drives have issues with staying happy in raid situations due to the firmware. If you were going to build a RAID for can't lose data you should really use something like WD Reds.
Edited by DaFirnz - 7/25/13 at 6:45pm
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post #5 of 8
Thread Starter 
I know what RAID stands for and I've read about it already, my questions are pretty specific.
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post #6 of 8
RAID is not a backup. A backup is a duplicate of data on the computer and is not connected full time to the computer. While a RAID can provide redundancy that will allow a computer to keep chugging along if one or more HDDs go down (depending on the kind of RAID), if something destroys all the HDDS (such as a blown PSU, flood, fire, etc.) or they are stolen, your data will be history. Ideally, a backup scheme should include a minimum of one copy of your data (besides what's on your computer) locally and another one offsite somewhere.
   
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post #7 of 8
Quote:
Originally Posted by Subzero11 View Post

It's not complicated to set this up right

Important thing to remember #1 -- RAID Is not a backup.

It will NOT protect you from viruses, human error, or bad luck. A controller failure, two drives going bad at the same time (it happens), or accidental file deletion will result in lost data. Don't trust RAID alone to protect your important data.


If you decide to get 2 more hard drives and implement RAID 10, or one more hard drive to implement RAID 5 - expect that you will need to reformat the volume that the data is on. You can't turn two plain hard drives with different data on them into an array without destroying the contents of both drives in the process.

RAID 5 is going to be VERY slow with a motherboard-based software RAID emulation. You might enjoy 80-100 MByte/sec sequential writes now, expect that to drop to 15-20 MBytes/sec.

Greg

p.s. My recommendation is get a BIG external drive or disk array and back your data up to that. Then disconnect it, and keep it in another room or part of the house to partially insure you against fire/flood damage in the room with the PC.
post #8 of 8
Thread Starter 
Quote
''Important thing to remember #1 -- RAID Is not a backup.''

Got it I miss spoke lets move on please.




I currently have two old ext 2TB HDD's. My intention was to buy 3 new 2TB's (WD Reds if thats what I need so it work good) and setup a raid 5. My question was my current two 2TB's are 90% full I want to xfer this to the new HDD's in a raid 5 setup. So for this RAID 5 to work right I have to have 3 HDD's correct ?

I assume on how it works is like this put my three new HDD's in tower, setup the raid 5 then I'll xfer the two ext 2TB's to the raid HDD's is this all correct ?





UPDATE:
After reading and thinking about it not sure what I'll do.

Here's the thing, what do you suggest I do to back up my current two 2TB HDD's buy two other new 2TB's and manually copy over to the new ones ?
Edited by Subzero11 - 7/25/13 at 7:07pm
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