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тАО03-30-2004 08:43 AM
тАО03-30-2004 08:43 AM
Best Raid
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тАО03-30-2004 03:33 PM
тАО03-30-2004 03:33 PM
Re: Best Raid
-Karthik S S
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тАО03-30-2004 04:28 PM
тАО03-30-2004 04:28 PM
Re: Best Raid
For performance i would go for 1 RAID0 set of all the 6 drives. Best would be using 2 SCSI controllers.
But then again, there is too little information to give a good performance estimate.
What kind of system are you using?
What kind of bus speed are we talking about?
What kind of controllers are you using?
What kind of drives are they, cache, rpm, etc?
And please define "Optimal" and "Best RAID"
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тАО03-30-2004 11:50 PM
тАО03-30-2004 11:50 PM
Re: Best Raid
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тАО03-30-2004 11:58 PM
тАО03-30-2004 11:58 PM
Re: Best Raid
Head movement is still the nr. 1 time consumer in disk i/o. The more diskheads you use the faster the I/O (in general)
Be sure that you have a good backup (and restore) procedure. Not that is not safe to use RAID0, but one day one of the drives will fail and all the data will be gone.
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тАО03-31-2004 12:01 AM
тАО03-31-2004 12:01 AM
Re: Best Raid
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тАО03-31-2004 12:15 AM
тАО03-31-2004 12:15 AM
Re: Best Raid
This way you don't have a fast and a slow diskset. But two of the same kind.
Search google for, SAME technology (Stripe All, Mirror Everything)
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тАО03-31-2004 12:31 AM
тАО03-31-2004 12:31 AM
Re: Best Raid
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тАО03-31-2004 09:16 PM
тАО03-31-2004 09:16 PM
Re: Best Raid
So.... My suggestion would be to get your mitts on someting like an Adaptec 2100S, RAID5 the 4x18Gbs together. Then you could habe the 2x 36Gbs either to mirror or leave as a JBOD. Depends on the capacity you require!
Do you know exactly what data you are holding? Can this be archived? Does this data have to be live on your network....do you really need all this capacity??
May be worth you checking this out and sort your data now whilst capcities are fairly low!
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тАО03-31-2004 09:17 PM
тАО03-31-2004 09:17 PM
Re: Best Raid
So.... My suggestion would be to get your mitts on someting like an Adaptec 2100S, RAID5 the 4x18Gbs together. Then you could habe the 2x 36Gbs either to mirror or leave as a JBOD. Depends on the capacity you require!
Do you know exactly what data you are holding? Can this be archived? Does this data have to be live on your network....do you really need all this capacity??
May be worth you checking this out and sort your data now whilst capcities are fairly low!