I recently posted a question about setting up my home machine.
I have a Dell Precision 690
it is a 64 bit machine but I will be installing 32-bit XP Pro
one dual-core Xeon 5100
4GB of RAM
I have an onboard LSI 1068 SAS/SATA 3.0Gb/s controller that supports RAID 0, 1 (SAS1068)
I have four hard drives to install. Two new 80GB WD Raptors which are 10k rpm. And two used 80GB 7200 rpm seatgate drives.
I suggested that I wanted to setup my 2 10k rpm drives as raid0 and install the os there. I would also keep the page file there without installing any page files to the slower 7200 rpm drives.
I was told that I should NOT install the OS on RAID0. That it would not be any performance improvement and that having two hard drives would double the chance of system failure.
Now I understand about the failure. But (1) these are brand new WD Raptors and (2) no user data will be installed on the raid. It will only hold the os and page file. So I am not overly concerned with disk failure. And he didn't explain why I would not see a performance gain.
So what about installing the OS on a 2-disk raid using the 10k drives and keeping the page file on that same drive letter. Is this a good performance option or not? And if not, why not? Given my existing hardware what do you think better?
If you image the disk you should be back with a running system fast. The controller is fine. RAID 5 doesn't give you better writing speed than a single disk has (reading speed is OK), so it wouldn't give
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