VPix & Dos partition (Was: Simple database software for sysV?)

[Leslie Mikesell]

In article <87004 at unix.cis.pitt.edu> erast1 at unix.cis.pitt.edu (Evan R Aussenberg) writes:

>I've been using pkunzip alot under ISC/VPix lately.  While the
>program seems to work at the same speed as native DOS, writing
>to our Micropolis 320meg scsi is noticably slower than if I access
>the DOS partition via native DOS.  This was true even if I was
>the only login.  In fact, I installed some commercial software
>(about 10megs worth) on the dos partition by booting DOS from
>floppy because disk writing seemed faster to me than doing the
>same from VPix.

>Any comments?  For your reference, the computer is an Intel 
>model 302, 25mhz, 8meg.

On mine, there is only a slight difference, but I'm running a Conner
IDE drive which has on-board buffering.  Perhaps you are close to
missing the interleave on the disk and the overhead of VP/ix is
enough to miss and require another disk revolution.

Les Mikesell
 les at chinet.chi.il.us