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Best way to configure RAID 1 for my computer?

L

lsquare

Senior member
I'm going to be using a 3 drive setup for my new computer. Currently the VRaptor will be used as a boot drive and in the future a SSD. I decided to use a dual drive RAID 1 setup to guard against the loss of my important data. I intend to use the onboard Intel RAID controller. I'm assuming this isn't true hardware RAID, but it's the best that I can do for now. The two hard drives are the Hitach 2TB 7200 RPM drives. I'm just wondering how do I setup RAID 1 on the Gigabyte P55-A UD3P motherboard?

Often I read that RAID 1 is slow, but is it slower than a single drive when it comes to read and write speeds? What's the best way to configure a RAID 1 setup? Are there any negatives for using the onboard controller for RAID instead of buying a dedicated RAID card like say from Highpoint or Arreca?
 
do not do raid on the hitachi unless they are the enterprise series. intel matrix raid will fail them out fast.

If they are standard consumer drives - robocopy and backup one to another. werd.
 
Emulex said:
do not do raid on the hitachi unless they are the enterprise series. intel matrix raid will fail them out fast.

If they are standard consumer drives - robocopy and backup one to another. werd.
Click to expand...

Are you sure? It seems like people have no problem with using Hitach 2TB drives with Areca RAID controllers. What I have are the consumer drives.
 
The Hitachi consumer 2TB drives are fine in raid. I still haven't tried on an ICH10R but on the four Adaptec cards (three distinct models), one Areca card, one HP card, and a Dell card they have had zero problems to date with dropping from raid 6 and in one case raid 5 arrays. I'm using 6x 2TB Hitachi's for the raid 6 and have been using two 1TB drives in raid 1 as a 2008 R2 boot drive. All fine.

These WD Greens however... :-(
 
just wait for the smart or tler timeout and you will see. there is a reason they sell the E enteprise hitachi.
 
I'm not too worried. TLER is Western Digital lingo, so since Hitachi uses Command Completion Time Limit (CCTL) I'm covered there!

Seriously though, WHS is limited to 4x MBR partitions of 2TB each. So raid 6 is only 6 drives to hit that capacity. Even if I did see a CCTL error (and I've been banging on them for a month to test stability), I need three consecutive CCTL kicks before a hot spare is built into the array.

For the OP Raid 1 + matrix raid I wouldn't feel too bad. Even if a drive dropped, it isn't like the other drive doesn't have the data...

Now if I ran 12+ drive raid 5 arrays... I would be super scared of TLER/CCTL.
 
, it isn't like the other drive doesn't have the data.. <-- the other drive will likely have errors too.

matrix raid doesn't do proactive scanning like real raid cards during idle times. you can manually tell it to go look for issues; and if you do that once a month you will find issues.
 
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