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Urgent RAID setup

post #1 of 7
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im setting up a raid array, id like to setup raid 0 , and invedia raid utlities it says define a new aray. I need to know what would be best for raid 0

my opitons in raid mode are:
mirroring
striping
strip mirroring
spanning

striping block:
optimal
128k
64k
32k
16k
8k
4k

please help!!!
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post #2 of 7
Fill in your "System Specs" via the USER CP at the top of the page please, it would help. Also knowing what HDDs you have would help too.
    
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post #3 of 7
Chose Optimal. Unless you know exactly what you are doing.

The fact that you are asking about striping and Mirroring, and want RAID 0, tells me you might not have a lot of RAID Experience.

Striping , is writing across 2 or more drives, for increased performance. This is RAID 0 . So chose Striping if that is what you want. If you have two 150GB drives, this will yield almost 300GB total, seen as 1 big drive. This is usually chosen for people wanting higher performance, and accepting no fault tolerance.

Mirroring, is RAID 1. It writes to both drives concurrently, and provides a mirror copy should a drive fail. If you have two 150GB drives, it will shows as ONE 150GB drive, but if it fails, you have a mirror, and can replace the bad drive and rebuild it. Keep in mind, that every read/write and I/O operation has to occur simultaneously on both drives with RAID1. So you run into additional overhead on the RAID controller and CPU. Not really somethign you want on a desktop, unless you are using it as a server.

RAID5 Striping Across Mirrored Sets, prolly isnt worth going into in a desktop discussion. It requires a minimum of 3 drives, and basically allows you to writed data across the drives, with parity in place in case a single drive fails, the others will hold the load.

The "Spanning" option is Jbod.. this allows you to just config all drives to be contiguous.. so if you have 4 drives of different sizes and speeds, this option will allow you to make em all one big drive chunk.. dont sure why anyone would do this..



And you will want sata drives capable of 3gbps to make sure it's even worth the hassle.

After you do the array, you will want to make it Bootbale, then you will need to format it.
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post #4 of 7
Quote:
Originally Posted by apgfeb14 View Post
im setting up a raid array, id like to setup raid 0 , and invedia raid utlities it says define a new aray. I need to know what would be best for raid 0

my opitons in raid mode are:
mirroring
striping
strip mirroring
spanning

striping block:
optimal
128k
64k
32k
16k
8k
4k

please help!!!
RAID0 is striping, RAID1 is Mirroring. RAID10 is strip mirroring, and JBOD is spanning.

The default is usually 64K--if all you want to use this for is large files set as large as possible--if small files--aas small as possible--most use 64K.

Just use Auto Configure for Striping and you are good to go.

EDIT: Sorry WINK--we are thinking alike... +1 for you!
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post #5 of 7
Is it possible to change the strip size once the array has been setup
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post #6 of 7
Quote:
Originally Posted by frostbite View Post
Is it possible to change the strip size once the array has been setup
Not that I know of. This determines the size of the data "Chunks" that will be written, similar to block sizes in a format operation.

Once the array is created, the only way to modify it would be to break the array and change it.

I COULD be wrong, but I don't think those options are available after the set has been configed.
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post #7 of 7
Quote:
Originally Posted by frostbite View Post
Is it possible to change the strip size once the array has been setup
No
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