On Thu, 2004-12-30 at 09:41 -0500, Andrew Schulman wrote: [snip] > An optical drive (slow) running on the same IDE channel as a hard drive > (fast) will slow down data transfer to and from the hard drive, when the > optical drive is operating (by forcing a lower DMA mode?). So in the > configuration above, if both DVD drives are operating at once-- say, > when making a direct disc-to-disc copy-- then both hard drives become > slow. Bad. > > OTOH, if both hard drives are on the same IDE channel, then they may > compete with each other for the bandwidth on that channel. So again > this can slow things down.
The thing is that, unlike SCSI, only one device can be using an IDE bus at any one time. I guess the better solution would be to have One Big Hard Drive on hda, and then put the 2 optical drives on hdc and hdd. (How often do you use 2 optical drives at the same time? The optimal solution is to have them each on their own channel. PATA, SATA & "PATA RAID sockets" fit the bill here. -- ----------------------------------------------------------------- Ron Johnson, Jr. Jefferson, LA USA PGP Key ID 8834C06B I prefer encrypted mail. I wish the USA could get out of the UN. But a forum where governments can talk is too useful. The next best thing is to only pay a fraction of our dues. Or find a better forum.
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