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- From: ignacij@meishan.animal.uiuc.edu (Ignacy Misztal)
- Newsgroups: comp.os.os2.misc
- Subject: Re: Strange Problem with ESDI and SCSI Drives Co-Resident
- Message-ID: <ignacij.721579498@meishan.animal.uiuc.edu>
- Date: 12 Nov 92 14:44:58 GMT
- Article-I.D.: meishan.ignacij.721579498
- References: <1992Nov12.025953.4559@a.cs.okstate.edu>
- Sender: usenet@news.cso.uiuc.edu (Net Noise owner)
- Organization: University of Illinois at Urbana
- Lines: 44
-
- teague@a.cs.okstate.edu (Keith Teague) writes:
-
- >I have an UltraStor 12F ESDI controller with a Toshiba ESDI drive attached
- >as my primary drive (C: and E: partitions; C is DOS FAT and E is OS/2
- >HPFS). My secondary drive is a Toshiba SCSI-2 drive attached to a Future
- >Domain 1680 SCSI controller (with a CD-ROM as well). I have an odd
- >problem which I have noticed recently since I got my SCSI controller
- >and drives.
-
- >When I copy a LARGE number of files (>100 MB is common) from the ESDI
- >drive to the SCSI drive using xcopy (directory, subdirectories and
- >files) the copy operation will often hang. By this I mean the copy will
- >simply stop. I am unable to ^c out of xcopy and if I try to shutdown
- >the window will not die - I have to do a hard reset.
-
- >Now the wierd part - If I open another os/2 window I can still access
- >all the partitions on both ESDI and SCSI drives, even while the other
- >window is dead with an xcopy in process!
-
- >Further, if I begin another xcopy which involves the original partitions
- >(for example from SCSI back to ESDI) the first xcopy will eventually
- >come back to life and continue as though nothing ever happened!!!
- >So far as I know, if I do not start another operation on the ESDI drive
- >the first xcopy will stay dead forever.
-
- >Does anybody have any ideas? I am running OS/2 beta on a 486/33 clone
- >with 20MB of memory. I initially thought the bus speed (~11) MHz might
- >have been too fast so I reduced it to about 8 MHZ. The problem persists.
-
- >Could it be the ST506 driver? The SCSI (FD16-700.add) driver?
-
- >Any help or suggestions will be appreciated.
-
- >Keith Teague
-
- I had problems with my 12F controller, 660 Mbyte ESDI disk and the
- HPFS partition with GA until I installed a patched HPFS driver and
- reformatted the HPFS partition.
- ----------------------------------------------------------------------
- Ignacy Misztal E-mail: ignacy@uiuc.edu
- University of Illinois Phone: (217) 244-3164
- 1207 W. Gregory Dr.
- Urbana, IL 61801
- ----------------------------------------------------------------------
-