Re: Onboard RAID vs. plugin RAID
- From: Leythos <void@xxxxxxxxxxx>
- Date: Mon, 4 Feb 2008 16:39:40 -0500
In article <OvhRDN3ZIHA.4284@xxxxxxxxxxxxxxxxxxxx>, nomail@xxxxxxxxxxxx
says...
Would like to know the performance difference from say an onboard RAID (Asus
motherboard) vs. a plugin card such as a HighPoint or 3Ware. Right now I'm
running RAID 0 on the system drive for redundancy. But I'm considering
adding MS Virtual Server to SBS server. I know with VM, it's quite disk
intensive and I wouldn't want to bog down the SBS server performance. So
I'm thinking a RAID 1 setup for VM, but I'm debating to go onboard or
additional card. Any suggestions would be greatly appreciated.
RAID-0 is a disaster waiting to happen, it's NOT REDUNDANT, if either
drive fails you have a total loss.
I have used about ever RAID controller on the market and most
motherboard controllers also - 3Ware makes the best IDE/SATA controllers
on the market as far as I'm concerned. Adaptec makes the best SAS/SCSI
on the market.
The difference in performance is the amount of physical CACHE RAM on the
controller card - motherboard RAID controllers don't often have CACHE
memory, most quality RAID cards do.
Never use RAID-0 for anything you care about - it's designed for
performance where loss of data is NOT critical.
--
Leythos
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