I have 2 of the new Advanced Format Green Drives. (WD15EARS-00Z5B1)
I’m running 64bit Windows 7 on a P35 motherboard with ICH9R.
I wanted to use the drives as a mirror for data, mostly video. I setup a RAID1 configuration in the Intel BIOS. Everything seems to be working fine, but the transfer speeds have been less than I had hoped for. It is possible that 20MB/s is all I should expect in a RAID1 configuration, but I’d like to be sure. Ultimately, I have an eSATA enclosure that I can just fire up from time to time to backup from one disk to another, but RAID1 is an easier solution. Ultimately, write speeds are not that large of an issue, but I wanted to be sure there wasn’t something else I could check first.
My understanding is that Windows 7 should work with the advanced format sectors without issue. However, I also have found very little literature which discuss “tweaking” that might provide optimal results for a given configuration.
With mostly large files (200-700MB), I would have thought that formatting the drive to the maximum allocation unit size (64k) would have been beneficial. However now I’m not so certain. I also thought that GPT might have some benefits as well, but I only read a little bit about the technology.
Could formatting and partition style have an affect on my disk performance in Win7? Should I try RAID1 with Windows instead of the on-board Intel?