| T.R | Title | User | Personal
Name | Date | Lines |
|---|
| 996.1 | What is the performance you are seeing? | MPOS01::naiad.mpo.dec.com::mpos01::cerling | I'[email protected] | Thu Jan 23 1997 06:52 | 9 |
| 996.2 | Well below 1.25MB/Sec | CGOWGS::GIBB | John Gibb Canadian Multi Vendor Support | Thu Jan 23 1997 07:51 | 24 |
| 996.3 | | TAPE::PETERS | | Fri Jan 24 1997 12:59 | 11 |
|
Windows NT uses a port/class driver architecture. The
tape class and disk class drives both send the SCSI command and
data to a common port driver. Microsoft writes the DLT tape class,
disk class, and NCR 810 port drivers. The common port driver would
control sync vs async transfers.
Steve Peters
Storage Systems Eng.
|
| 996.4 | Thanks Steve.. Is this an oversite in V3.51?. | CGOWGS::GIBB | John Gibb Canadian Multi Vendor Support | Sat Jan 25 1997 13:49 | 15 |
| Thanks Steve..
We have a 2100 in our office which is running V4.0 of NT. I did see
SDTR negociation happen to a TLZ06 tape drive. I don't know if this is
a oversite in V3.51 or this was corrected by a service pak.
Does the arc console play into this at all?.
Thanks for the reply and any other thoughts or comments would be
appreciated..
Thanks
John Gibb
|
| 996.5 | | TAPE::PETERS | | Tue Jan 28 1997 12:34 | 10 |
| re .4
The port/class drivers do NOT use or rely on the ARC
console code. ARC just gets things started ( booted ). Once
NT is running the tape/disk class drivers talk to the SCSI
port drivers that talks to the HAL code that talks to the physical
hardware registers.
Steve P.
|