See Neale's SCSI presentation on linuxvm.org. There's some performance data in there.
Capsule summary: the SCSI stuff is very, very fast. If your hardware supports it, it is a Good Thing, and more forward-looking. -- db David Boyes Sine Nomine Associates > -----Original Message----- > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of > Adam Thornton > Sent: Monday, January 12, 2004 4:44 PM > To: [EMAIL PROTECTED] > Subject: Relative DASD performance > > > Has anyone done performance testing that they can share to get numbers > on relative performance of the same DASD, accessed under z/Linux, > depending on whether it's presented as direct-attached 3390 > or FCP SCSI? > > Basically, my question is, all other things being equal, let's say I > have a Shark and I want to get data off it into a Linux image: am I > better off mounting that disk as SCSI or ECKD ? > > Adam >
