RAID 1 Duplexing Question

[cpuxtech]

I was doing some research on RAID and RAID configuration speeds, and obviously RAID 0 provides striped storage giving you a linear performance benefit for every disk added to the array, and RAID 1 is straight up mirroring.

 

RAID 0:

 

RAID 1:

 

I read of something called RAID 1 Duplexing or Splitting, where you get a performance benefit of RAID 0, but the redundancy of RAID 1.  This is possible with 2 independant hardware controllers that allow the reading data off of a RAID 1 array to act as its reading a striped drive array.

So both drives, would be mirrored, but if you needed to access something, you could read

A1 off of Disk 0, and

A2 of of Disk 1

at the same time, instead of reading

A1 off of Disk 0 then reading

A2 off of Disk 0 as well,

essentially using one drive only.

 

With RAID 1 duplexing, is this true or not?  I haven't seen much content on it so I decided to post the question, but is it actually that easy to get RAID 0 performance in a RAID 1 array with duplexing?

 

Thanks!

[IdeaStormer]

RAID 01, some Raid cards support it, most mobo controllers do not.

[Hazy125]

I suggest you look at RAID 10