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[Guide] All You Ever Wanted To Know About RAID - Page 4

post #31 of 36
11/2/11 at 3:18pm
Can I RAID 0 two 64gb SSDs and RAID 0 two 500GB HDD at the same time. Using Onboard chipset like P67?
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post #32 of 36
5/18/12 at 1:21pm
As for
Quote:
RAID 0+1 - Mirror of Stripes
A combination of both RAID 0 and RAID 1. RAID 0+1 creates a second striped set that is a mirror of the first - in other words, take a RAID 0 array, and make a copy of it. In this setup one drive can fail, and even a second drive can fail if it was in the same striped set as the first. But if the second drive is in the other set, then the array goes down. Each pair of disks added supplies another mirror, providing tolerance for up to two more drives to fail.

RAID 1+0 (also called RAID 10) - Stripe of Mirrors
RAID 1+0 is the opposite of RAID 0+1 - it is like a RAID 0 array, but with a mirror of each disk in the array. Multiple drives can fail as long as they aren't part of the same mirror. The main difference between this and RAID 0+1 is that adding a pair of drives increases performance more, but only adds fault tolerance of up to 1 more drive. This is by far the most common nested RAID level available. This (and RAID 0+1) are good if you want more space and speed than RAID 1 can provide, without having to buy a dedicated controller. However, if using more than 4 drives, an onboard controller will have trouble.

In my asrock z75 board, CTRL-I into raid array options, one of the raid options for raid 10 shows to be exactly like this
Quote:
Raid10(Raid0+1)

Make any sense?

I've got the latest bios installed. P1.20 04/24/2012.
Edited by TwistedMind - 5/18/12 at 1:24pm
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post #33 of 36
5/18/12 at 2:45pm
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raid 10 is as quoted.. 1+0, not 0+1. I could see someone getting confused as they are very similar (mirrored set of stripes vs striped set of mirrors.) ultimately they both accomplish the same goal, redundancy with performance.
Edited by pvt.joker - 5/18/12 at 2:49pm
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post #34 of 36
6/28/12 at 12:40pm
Can I raid multiple sized/brand drives in RAID6 with a controller?
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post #35 of 36
6/28/12 at 1:15pm
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Quote:
Originally Posted by bengal View Post

Can I raid multiple sized/brand drives in RAID6 with a controller?

You can, but your array will be limited by the smallest/slowest drive in the group.
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post #36 of 36
6/28/12 at 2:41pm
Quote:
Originally Posted by pvt.joker View Post

You can, but your array will be limited by the smallest/slowest drive in the group.

I understand how it may be limited by the slowest drive regarding speed, but how can it be limited by the smallest drive?
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