My machine is a Rev A 266MH Beige G3 with 416MegRAM,
417VirtualRAM, a reasonably new Asante 10/100 ethernet card in slot
A, nothing in the other slots, 2 RCA jacks in the rather dull
personality card, and a new WD Caviar 120GB drive--no jumpers--with
three partitions on bus 0, running OS9.2.2 on partition one. I have
ONLY two unusual extensions: Global Village modem and FAX software,
and HP Scanjet software (along with the Asante driver and that funny
Nway control panel).
I wanted to use this machine for network backup of very large
file transfers and backup with Retrospect Express. When I make a
large file transfer (over 1GB) over the network, I get funny
problems--namely they fail. When I had a USB Card in the machine, if
I were to transfer a large 4 GB file from my Cube to the G3,
somewhere between 200Megs and 1.9GB, the machine would freeze, the
Cube would lose the image of the file sharing G3 disk. When I took
the USB card out, low and behold the machine does not freeze.
Instead, the transfer fails and sometimes on the G3 I get a partial
file to appear, but not always, and on the Cube I get the message:
"Sorry the operation could not be completed because an unexpected
error occured (error code -50)." With the USB card gone, I do not
lose the network connection and the Cube (running OSX) continues to
stay mounted on the G3 and the G3 continues to hum away.
Each time I think I know what's going on I find that I am
wrong. For example, I thought that my realtek ethernet card was
causing problems, but although the new card works better, its not
solved by my Asante card or by using the internal ethernet. I have
run techtool deluxe--and found nothing funny. Even when the USB card
is in the machine, only one other thing causes it to crash--sometimes
if I leave mindchimes and Oceansongs running simultaneously for
several days, I will come in in the morning and find the machine
buzzing and need rebooting--but that is rare and they often run for
days.
I have periodically thought I solved the problem because I
have transferred files as large as 1.9GB--but those are
lucky--apparently. I have noticed that when I transfer a large file
(1+Gb) from one partition to another on the G3 I will see 30-80MB
transfer and then there is a 4-11second pause. I can't tell if that
is reading and writing--it looks like a freeze or interruption of
some kind. Also, I am getting only about 1GB/sec over the network
even though I am going through fast ethernet switches. I am guessing
that is a function of the G3.
I have been doing Mac Networks since very first phonenet
appletalk stuff allowed them in the late 80s and I have never seen
this happen.
Any Help?
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