> > > I currently have an IDE drive that has the capacity to do 128KB/t and > > a SCSI drive 64KB/t. Are these stats in fact showing me that there > > is a limitation with the SCSI drive? Are my file transfering > > capaibilities less with the SCSI drive? I suppose what do I need to > > look for in the spcifications when choosing new drives so this does > > not happen again? > > FreeBSD's SCSI layer has a cap of 64k per transaction (apparently > because ancient ISA adapters could not do more than 64k), and the ATA > layer has a cap of 128k. You won't see a difference using regular > disks. A 20MB/sec transfer rate comes out to ~300 64K > transactions/sec, which most systems should be able to handle with no > problems.
so what exactly does KB per transaction mean? what happens if I am handling 300 concurrent users with 160Kbit encoded audio streams - could I in fact do this on this machine? or will I be limited by the 64KB/t issue? - Noah > > -- > Dan Nelson > [EMAIL PROTECTED] > To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-questions" in the body of the message