On Mon, 2002-01-14 at 11:44, Bryan J. Smith wrote:
Hey all ...
QUESTION:
I'm curious as to how file locking between multiple DOSEmu/DRDOS
sessions on the same, single system and single, local filesystem?
SYNOPSIS:
I need to run an DOS accounting program that accesses the same
files, although in multiple sessions. I think it handles its own
file management/locking, to prevent multiple sessions from touching
files (although I'm not sure -- see below).
I ran an accounting program for years on DOSEMU 0.98 with the files
stored locally on Linux w/out any locking issues. The only times I had
locking issues was when people needed access to the files thorugh a
samba 2.0 share, and this was due to a problem with Samba that has since
been fixed. (cf.
http://marc.theaimsgroup.com/?l=linux-msdos&m=100283477329703&w=2 from
the mailing list)
You mentioned that you were going to use Linux boxes for your PCs, does
that mean that you're going to attach to the accounting files through
NFS and run DOSEMU locally on each PC? If so, the above statement has
no validity, because I used telnet to run all DOSEMU sessions on the
same PC. NFS introduces completely different locking issues, and I have
no experience handling these with DOSEMU.
As far as your licensing issues, check to see if FREEDOS will work
before shelling out for caldera. It seems to work pretty good for
normal line of business apps (although I haven't tested it
extensively). Not to say that the mentioned price is out of line, that
sounds like a fair price for a workable solution, but if you don't HAVE
to mess with licenses, why bother?
Good luck
Matt
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