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Marvell Raid 1 not Raid 1?

post #1 of 3
Thread Starter 

I have an Asus P8Z77-V Deluxe and have been using the Marvell raid in addition to the Intel (I know the Intel is better) because I wanted the extra SATA 3 ports.

 

Today I updated to the latest Marvell drivers (1,2,0,1027). When I finished the update and restarted I got a BSOD. When I restarted, the firmware showed my raid 1 GONE! and my 2 WD 2teras both free. So, being a cautious person, I stopped and moved one of the drives to a regular SATA port and restarted again. When I got in to WE, the drive didn't show. With dread I brought up Disk Manager and, sure enough, the partition was blown. So now I have several questions.

 

1. Isn't the definition of Raid 1 "A duplication of each drive which assures that each is usable on it's own."?

2. When the Marvell controller shows an unraided set of drives why does it declare them FREE (blank)? It looks to me like you can run the Marvell unraided?

3. Why doesn't the Marvell show the the Raid 1 as "degraded" but allow access in that state for backup purposes? I have 3 Arecas, 1 HighPoint, and several other motherboard controllers and they all do that.

 

Is Marvell "Just kidding!" when it says you are in Raid 1 or are we talking POS here?

 

TIA

post #2 of 3
Some RAID 1 implementations require a header written to the drive identify it as such, and the drives will not show up as partitioned if moved to a different controller, or if both drives become "degraded" at the same time.

Using drives without TLER/ERC/CCTL support in RAID 1 is often more trouble than it's worth.
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Hard DriveHard DriveHard DriveCooling
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post #3 of 3
Thread Starter 

Thanks for the info on header.

 

It just astonishes me! What possible justification could there be for making something that a Standard says is "THE MOST IMPORTANT" form of drive support not usable in anything but a "special header" controller. My background is Old School IT and we tested every System drive in all possible setups to make sure it would be recoverable.

 

I am also scratching my head as to how a raid function (1) could tax a drive when it is "write to one, then write to the other". That can't involve a lot of queing, etc.

 

Oh well. I think I am going with the POS theory.  thumbsdownsmileyanim.gif

 

Thanx again!

 

Watch out guys, it looks like Raid 1 isn't Raid 1 on a Marvell controller.

ps: I don't suppose anyone knows a way to strip that header. drool.gif

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