Richard Kenward wrote:
Best solution is the fastest SCSI 15000 drives you can get hold of

In message Sun, 18 Jul 2004, Keith Cooper writes

Out of curiosity...

How much difference in speed/performance does this -actually- make? Do you
have any benchmarks or references to speed comparisons?
snip

Dear Keith

Comparisons are at best difficult of course, and at the time comparison figures were taken, but I have not been able to turn them up for you despite searching. Any speed boost in disk access time and transfer rate must help, just as the reverse would surely be true. It also must help in that SCSI drives are able to work independently (I/O) rather than having to share access resources between drives. This I understand is the case with all non SCSI drives.

This is the experience of updating one particular work station here that was previously fitted with multiple good quality ultra fast, wide SCSI drives, all formatted with NTFS. Using the same controller and disk configuration, but only replacing the existing 7200rpm drives with the very fastest drives that money could buy, and formatting the paging file and PS swap disk with Fat 32 produced the following improvements.

Files opened and closed considerably faster, saving was far faster, the number and the size of files that could be open at any one time went up considerably. There was minimal lag as ram available became used up, and the whole machine was far nicer to work with. I am talking here about files that get to about 1.5G in size and having several open on screen at a time Putting in the latest SCSI controller would be expected to improve things still further and running the OS on a 15K drive would help. At the moment it's on a 10K drive.

Sufficient improvement was made that it was unnecessary to do anymore until 64bit processing and all it's much vaulted advantages are a workable reality, and more than just marketing hype.

Hope this helps.

Cheers

Richard
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