Re: SCSI I/O errors galore, PART II

2001-06-20 Thread Michael Schmitz
> Why not faster on the 25-pin connector? Well, every SCSI signal should > have a seperate ground return pin (which means twisted-pair transmission > lines end-to-end). That's not possible on the 25-pin designs, so signal > quality is rather poor. Hence the speed limit... > > Now we only need to fi

Re: SCSI I/O errors galore, PART II

2001-06-20 Thread Michel Lanners
Just to add a bit more confusion ;-) On 20 Jun, this message from Michael Schmitz echoed through cyberspace: >> > Seems in this case it can't. My external disk only runs at 5 MB (of >> > course). >> >> External is different. Since Apple wisely decided on a 25-pin scsi >> cable scheme for externa

Re: SCSI I/O errors galore, PART II

2001-06-20 Thread Charles Sebold
On 29 Sivan 5761, Andrew Sharp wrote: >> that is understandable since all of Apple's oldworld builtin scsi >> was 5MB/s only. > > You mean the drives were only 5MB/sec? I can believe that, but the > MESH controller will do 10MB/sec sync. I say that with a crack in > my voice, because my experie

Re: SCSI I/O errors galore, PART II

2001-06-20 Thread Michael Schmitz
> > Seems in this case it can't. My external disk only runs at 5 MB (of > > course). > > > > How to set MESH to 5 MB/s? I'd not object to providing a patch that makes > > it a driver option, if someone can point me to the correct combinattion of > > period and offset to limit the rate. > > Eternal

Re: SCSI I/O errors galore, PART II

2001-06-20 Thread Andrew Sharp
Michael Schmitz wrote: > > my voice, because my experience with this controller is that it > > doesn't work too dang well. With some drives it just plain can't > > handle the higher speed. But with some drives it can. So it's hit > > Seems in this case it can't. My external disk only runs at

Re: SCSI I/O errors galore, PART II

2001-06-20 Thread Geert Uytterhoeven
On Wed, 20 Jun 2001, Michael Schmitz wrote: > > > > > Well, at least the drive info and partition table can be read :-) > > > > > > > > Just my 2 cents, I had the same problems with a 7300 when I setup MESH > > > > to run at 10MB/s. > > > > This problem only ocurred with heavy disk-I/O and it damag

Re: SCSI I/O errors galore, PART II

2001-06-20 Thread Michael Schmitz
> > > > Well, at least the drive info and partition table can be read :-) > > > > > > Just my 2 cents, I had the same problems with a 7300 when I setup MESH > > > to run at 10MB/s. > > > This problem only ocurred with heavy disk-I/O and it damaged my > > > file-system. > > > With MESH set to 5MB/s

Re: SCSI I/O errors galore, PART II

2001-06-20 Thread Andrew Sharp
Ethan Benson wrote: > > On Wed, Jun 20, 2001 at 12:41:07PM +0200, Christoph Ewering wrote: > > Hello! > > > > Michael Schmitz schrieb: > > ... > > > > mesh: target 1 synchronous at 10.0 MB/s > > ... > > > Well, at least the drive info and partition table can be read :-) > > > > Just my 2 cents, I

Re: SCSI I/O errors galore, PART II

2001-06-20 Thread Ethan Benson
On Wed, Jun 20, 2001 at 12:41:07PM +0200, Christoph Ewering wrote: > Hello! > > Michael Schmitz schrieb: > ... > > > mesh: target 1 synchronous at 10.0 MB/s > ... > > Well, at least the drive info and partition table can be read :-) > > Just my 2 cents, I had the same problems with a 7300 when I

Re: SCSI I/O errors galore, PART II

2001-06-20 Thread Christoph Ewering
Hello! Michael Schmitz schrieb: ... > > mesh: target 1 synchronous at 10.0 MB/s ... > Well, at least the drive info and partition table can be read :-) Just my 2 cents, I had the same problems with a 7300 when I setup MESH to run at 10MB/s. This problem only ocurred with heavy disk-I/O and it dam

Re: SCSI I/O errors galore, PART II

2001-06-20 Thread Michael Schmitz
> Several people responded to my previous note with good suggestions for > providing more complete information on my problem. Here's a recap of my > situation, with what I hope will be more helpful info from dmesg and > /var/log/messages. Thanks, this should help narrowing down your problem. > her

Re: SCSI I/O errors galore, PART II

2001-06-20 Thread Ethan Benson
On Wed, Jun 20, 2001 at 01:21:00AM -0500, Jamie Hutt wrote: > > I've installed Potato on a Mac 7500, a two-scsi-bus, OldWorld machine. When > I'm doing a large file copy from one Mac to the Debian box via SAMBA (and > FTP too!) the collision lights on my hubs go nuts and the Debian machine's larg

SCSI I/O errors galore, PART II

2001-06-20 Thread Jamie Hutt
Folks, Several people responded to my previous note with good suggestions for providing more complete information on my problem. Here's a recap of my situation, with what I hope will be more helpful info from dmesg and /var/log/messages. I've installed Potato on a Mac 7500, a two-scsi-bus, OldWorl