Eben King wrote:
>But copying data between the drives will be subject to a 50% slowdown, as
>the source drive writes to RAM, then the destination drive reads from RAM.
>Can't do them simultaneously, as there's only one cable. Each drive
>evaluated independently, though, would be as Mr. Blenke said.
>
>
Not true. If the bus can transfer 300MB/s, and the disks can only
read/write at 50MB/s, there is plenty of bus time to copy the buffers
to/from the host. This is what buffers are for.
When I say 5-10% pentalty max, I mean that.
>Ideally, you'd probably get an extra PCI IDE card and hook the CD to that,
>but that depends how much an extra 10.4 MB/s is worth, and how often you do
>drive -> drive copying.
>
>
No need to go through all of that. In the past, yes. Now? No.
- Ian C. Blenke <ian@blenke.com> http://ian.blenke.com/
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