On Mon, 20 Oct 2003 11:07:20 +0100
Nick Burrett <nick@dsvr.net> wrote:
> From experience I have noticed that IDE drives that initially perform
>
> at 30Mbyte/sec dropped to around 10Mbyte/sec after a year or so.
>
Yes. This is very true - a good test I like to show of IDE falling apart
is to start up one client and show it go very fast. Then start up 20
and see what happens :)
Also - you can easily have many, many more scsi devices (and external
scsi devices) than IDE. More platters / disks == faster IO.
> >
> > IDE Hard Disk 40Gb 7200RPM = 133Mbs = 50UKP
> > SCSI Hard Disk 36Gb 10000RPM = 160Mbs = 110UKP
>
If you don't mind refurb disks that still have a warranty, check out
ebay. Friday I won a lot of 10 18GB disks for $96 + $27
insured shipping. But yeah, new scsi is quite expensive, but it can be
worth it... IMHO scsi is to be used in a raid, not alone. No one disk
can saturate the bw offered. (both ide and scsi).
--
Jeff Trout <jeff@jefftrout.com>
http://www.jefftrout.com/
http://www.stuarthamm.net/