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SATA RAID 0 w/additional IDE HD Questions

by CEV / March 28, 2004 7:30 AM PST

When I built my system, I purchased a 120GB SATA HD. I would like to purchase an addition identical HD to set up in either RAID 0 or 1. I see that a lot of the manufactures are setting there new systems up like this with an additional IDE HD. My questions are what are the pros and cons of RAID 0 and RAID 1. If I were to get a 3rd IDE HD to store digital content(Pictures and Video), and I was doing editing on these items with programs that are on the SATA Drives, would I still see the benefits of the RAID setup?

Thanks,

CEV

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Re:SATA RAID 0 w/additional IDE HD Questions
by JMarchi / March 28, 2004 9:42 AM PST

You setup RAID on multiple identical drives, you don't just put in one drive and RAID it. If you use RAID1 then you Mirror the drives, losing 1/2 the space. One drive just has the same files as the other. If you use RAID-0 all data is spread across 2 drives as if they were one, if you lose one drive due to hardware failure you lose all data on both drives.

If you were to put in one drive and then add a second one later, and then put RAID-0 on it, you would lose all data on the first drive in the RAID set as doing the RAID configuration wipes the drives as it is configured. You need to plan this out so you have 2 identical drives and RAID them all at once.

I prefer RAID-5 where you need 3 identical drives, all data is spread across 3 drives and if one dies you lose no data and can replace the drive and get back into a RAID 5 configuration without any data loss.

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Re:Re:SATA RAID 0 w/additional IDE HD Questions
by CEV / March 29, 2004 2:54 AM PST

Thanks, but I already know how to setup RAID and that you need at least 2 drives. Basically what I am wondering about is performance gains or issues on a RAID setup and playing and editing audio and video files that are on a 3rd IDE HD that is not apart of the RAID setup. Also, are there any performance gains with a RAID 1 setup? I am looking for both data security and a performance gain.

Thanks,

Chad

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Re:Re:Re:SATA RAID 0 w/additional IDE HD Questions
by JMarchi / March 29, 2004 9:30 PM PST

RAID 1 gives no performance benefit and has a small hit as data has to be written to 2 drives instead of one. RAID 0 would give you the best performance since all access is spread across multiple drives and can occur faster.

Not quite sure what you mean about a 3rd drive, if you work off a non RAID drive the RAID array isn't involved. You want best performance with video work put it on a RAID 0 array.

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