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

post #1 of 12
Thread Starter 
Each four are 3/4 filled up. I'm a noob when it comes to raid stuff. Originally I thought about just buying another four 2TB HDD's and then coping each one to another, so then each orginal one would have duplicate backup. But thought this is not a good ideal there must be a better cheaper way.

So where do I start do I have to get ext bay to hold all four or just put the four in my case ? Which raid do I get, is this free software ? I need a good setup I must not ever lose any data contained on my four HDD's. thanks
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post #2 of 12
That is around 6 TB of data. Get 2x 3TB drives like these:
http://www.amazon.com/Western-Digital-Caviar-Green-Desktop/dp/B004RORMF6/ref=sr_1_2?ie=UTF8&qid=1349641856&sr=8-2&keywords=3tb+hard+drive

Connect them to your mobo normally and copy everything on to them. Disconnect the drives and store them in a cool dry area.
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post #3 of 12
Firstly, hardware RAID is much faster than software RAID.

https://en.wikipedia.org/wiki/RAID

Any form of redundancy through RAID is going to sacrifice a drive or two. The fact that all these drives are almost full is going to make this process much more difficult. You need to empty at least one of the drives for RAID 5 to be an option.

Do some reading and you'll have a better understanding of what's needed.

Edit: Oh wait, you just want to throw money at it? Then get the same drives and do a RAID 1, for a truly redundant backup procedure you're better off keeping the drives together rather than doing a monthly backup. External enclosures for RAID are pointlessly expensive in my opinion, just stuff it all in one case.

Then if a HDD fails, you can just laugh.

Quote:
Originally Posted by eXXon View Post

That is around 6 TB of data. Get 2x 3TB drives like these:
http://www.amazon.com/Western-Digital-Caviar-Green-Desktop/dp/B004RORMF6/ref=sr_1_2?ie=UTF8&qid=1349641856&sr=8-2&keywords=3tb+hard+drive

Connect them to your mobo normally and copy everything on to them. Disconnect the drives and store them in a cool dry area.
That will take weeks!
Edited by wizardskill - 10/7/12 at 1:36pm
post #4 of 12
You should get a RAID card, 3 or 4 more HDDs, and set up a RAID 5 or 6 array. Then backup the data over to the RAID array.
post #5 of 12
Quote:
Originally Posted by Sean Webster View Post

You should get a RAID card, 3 or 4 more HDDs, and set up a RAID 5 or 6 array. Then backup the data over to the RAID array.
Listen to Sean! thumb.gif

Any RAID cards you could suggest him? I think he's new to the RAID game.
post #6 of 12
Depends, for 2TB drives and smaller a PERC 5/i or 6/i would do fine. For larger sized drives i'd have to look around for a hardware raid controller.
post #7 of 12
Thread Starter 
Ok I did some research. I'm thinking either going with raid 1 or 5 or 10. I still have questions though. From what I read it seems raid 5 is less resilient then other two raids but cheaper. Also I'm going with raid software with my desktop, no way I'm getting a raid card.

Is raid 5 more complicated to set up then 1 or 10 ?

I have 4x2TB each one about 85% full. So if I were to go with raid 5 would I need to fifth 2TB and keep that one blank or should I get divide the four 2TB's amoug all five HDD's ? How does this ratio work out ?

I don't mind spending more money and just go the raid 1 way but does the drives for raid 1 matter how full they are like raid 5 ?

If I go with raid 1, how does it know if a HDD has partial failed or say files get corrupted cause of a bad sector will a message on the desktop to tell me HDD drive Z: has failed please replace ? How does it know and how will I know something went wrong ?
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post #8 of 12

This is what you do. 

 

You are going to need a lot of disk. 1, get yourself an external RAID that supports 4, 3TB drives (12TB total) back all your data off to there. Next,  you are going to want to get a fith 2TB drive to put everything into RAID 5. Make sure your OS is on a seperate disk. Go to your RAID controller and put your drives together into a RAID 5, leaving all the default settings. Go back into windows or whatever OS you are using and format the disk. If you are using windows, make sure to install Intel Rapid Storage Technology so that you have proper raid support inside the OS. 

 

Now move all your data back onto the RAID 5 and keep the external RAID as a backup.

 

 

That is the easiest solution you can ask for, but it is not the cheapest. Sorry bro. 

 

Also, I don't really use RAID 1, It is slow and inefficent. With RAID5, what you do is you use RTS to keep an eye on your disks and also have something like Crystal Disk Info to keep an eye on things as well. Regularly check the smart data on the drives (at least once a week). The likelyhood of 1 of 5 drives failing is high, but to have 2 drives fail is rather low. 

 

With the external RAID, you can have your data backed up in 2 spots. I personally like the MediaSonic boxes. 

 


EDIT: If you are using the Intel RAID built into the board, use RTS, if you use the PERC or anything else, you are going to want to use whatever software comes with that. Otherwise you could have some issues. 


Edited by Lord Xeb - 10/8/12 at 9:31pm
 
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Gsvlip Dudyrm
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post #9 of 12
Thread Starter 
Quote:
Originally Posted by Lord Xeb View Post

This is what you do. 

You are going to need a lot of disk. 1, get yourself an external RAID that supports 4, 3TB drives (12TB total) back all your data off to there. Next,  you are going to want to get a fith 2TB drive to put everything into RAID 5. Make sure your OS is on a seperate disk. Go to your RAID controller and put your drives together into a RAID 5, leaving all the default settings. Go back into windows or whatever OS you are using and format the disk. If you are using windows, make sure to install Intel Rapid Storage Technology so that you have proper raid support inside the OS. 

Now move all your data back onto the RAID 5 and keep the external RAID as a backup.


That is the easiest solution you can ask for, but it is not the cheapest. Sorry bro. 

Also, I don't really use RAID 1, It is slow and inefficent. With RAID5, what you do is you use RTS to keep an eye on your disks and also have something like Crystal Disk Info to keep an eye on things as well. Regularly check the smart data on the drives (at least once a week). The likelyhood of 1 of 5 drives failing is high, but to have 2 drives fail is rather low. 

With the external RAID, you can have your data backed up in 2 spots. I personally like the MediaSonic boxes. 



EDIT: If you are using the Intel RAID built into the board, use RTS, if you use the PERC or anything else, you are going to want to use whatever software comes with that. Otherwise you could have some issues. 





Ok I got it but I still don't know if I want to spend that much. Is using caviar greens 2 or 3tb good to use ? Could someone answer this following last question.


If I go with raid 1 or 5, how does it know if a HDD has partial failed or say files get corrupted cause of a bad sector will a message on the desktop to tell me HDD drive Z: has failed please replace ? How does it know and how will I know something went wrong ? thanks
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SSF
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post #10 of 12
Quote:
Originally Posted by Subzero11 View Post

If I go with raid 1 or 5, how does it know if a HDD has partial failed or say files get corrupted cause of a bad sector will a message on the desktop to tell me HDD drive Z: has failed please replace ? How does it know and how will I know something went wrong ? thanks
The RAID controller will let you know which drive it is having an issue with.

My 5/i with everything was $65.

You have 4 drives right now that are 3/4 full, so that means that you can condense all your data to 3 drives right? Then you can have the 4th one free so you will only need to buy 2 more drives to make a RAID 5 array.

So...
  1. Buy 2 or 3 more 2TB HDDs I wouldn't recommend WD greens for this. i would look into hitachi/seagate/ WD reds.
  2. Buy a perc 5/i or 6/i
  3. Make a RAID 5 array with the free drive and the new drives
  4. Then copy your data you want to back up over to the new RAID 5 array.
  5. The you can either leave it as a backup or you can expand your current drives into the array if you like.
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