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RAID 0 vs RAID 1?

post #1 of 22
Thread Starter 
Does RAID 1 have the speed increase like RAID 0 AND still mirror? or is that RAID 0+1
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post #2 of 22
You're thinking of RAID 1+0 So 4 HDD's required.
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post #3 of 22
RAID 0 increased speed.

RAID 1 increased (slower) write times, decreased(faster) read times.
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post #4 of 22
Raid 0 is only used to speed up your hdds and raid 1 is used only for mirroring

EDIT: Omega, you beat me by seconds
post #5 of 22
Quote:
Originally Posted by finger00 View Post
Raid 0 is only used to speed up your hdds and raid 1 is used only for mirroring

EDIT: Omega, you beat me by seconds
HAHAH!

I tak sie stalo.
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post #6 of 22
Thread Starter 
what does JBOD fall under, is that its own thing or does that apply to all RAID's
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post #7 of 22
Quote:
Originally Posted by Krazykid122 View Post
what does JBOD fall under, is that its own thing or does that apply to all RAID's
Just a
Bunch
Of
Disks

edit: it means that the drives are plugged in but are not dependent on each other.
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post #8 of 22
Thread Starter 
Quote:
Originally Posted by BlackOmega View Post
Just a
Bunch
Of
Disks

edit: it means that the drives are plugged in but are not dependent on each other.
basically just a bunch of drives making one, no increases or anything.
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post #9 of 22
Quote:
Originally Posted by Krazykid122 View Post
basically just a bunch of drives making one, no increases or anything.
Nope, just a bunch of drives on their own. They're all separate. In this scenario the only important one is the boot drive (the one where the OS is installed).

The only increase or decrease is limited to the actual speed of the drive you're trying to access.

Whereas RAID 0 will almost double the speed of two identical drives.

RAID 1 will take longer to write things to the disks since it has to do it on two drives rather than one, but reading the information from the disk can actually be faster than RAID 0.
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post #10 of 22
As others have said, raid0 has increased read and write speeds (especially linear read/write...can be faster than SSDs). It's not 'twice the speed' due to controller overhead, and when you get tiny file IO raid0 is hardly any faster (and in some cases slower) than a single disk.

You can also short stroke your disk to increase performance further, if you know you're not going to be using them to full capacity.

Raid1 has slower writes than just 1 hard drive due to controller overhead, but has faster reads than just 1 disk.
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