[Samba] Autocad file corruption...
Robert A Wooldridge
bob.wooldridge at edm-inc.com
Wed Jan 8 22:10:01 GMT 2003
Another thing, I have two other Debian systems sharing via samba. My
own workstation which is using the Debian samba package from unstable
and this is samba version 2.99 alpha. The other system is using samba
version 2.2.5 (again a deb package here). However, both of these
systems (mine and the other) are not used for the autocad project
files. Could these other systems be causing some problems due to the
samba version mismatch?
On Wed, 2003-01-08 at 15:47, David Brodbeck wrote:
> > -----Original Message-----
> > From: Robert A Wooldridge [mailto:bob.wooldridge at edm-inc.com]
> > I am using Samba version 2.2.5 on debian stable (but not
> > debian package,
> > we just build it). Autocad version is 2002. Our office has about 15
> > draftsman and designers who are heavy autocad users. Several
> > have been
> > reporting the problem so it does tend to point to the network unless
> > it's something in the Samba config. I have not looked at the
> > switches,
> > just the NIC in the file server. It's a 3com vortex. I have used
> > mii-diag to check this card. From what I can tell, the -w switch will
> > look for inconsistancies in the card and this seems to indicate all is
> > well. I guess I should start thinking about the switches.
> Mostly, make sure the NIC and the switch agree about whether the connection
> is full or half duplex. If this is wrong you'll probably have noticed bad
> file transfer performance (but only in one direction), as well, though.
> Another dead giveaway is when the NIC reports a lot of late collisions, but
> the switch doesn't, or vice versa. (Unless you have managed switches you
> may not have any way of knowing how many collisions the switch is seeing,
> Turning off oplocks will probably help. Oplocks are unforgiving of network
> problems. The performance hit probably won't be terrible if you have to run
> with oplocks disabled.
> My suspicions point towards a network problem or misconfiguration because
> we've used Samba 2.2.1 through 2.2.7a with AutoCAD versions 2000i through
> 2002 without any corruption, except for that one user who had a bad network
> connection. We only have about five CAD users but they hit the file server
> pretty heavily, because many of our drawings reference several dozen xrefs
> each. These kinds of problems can be really difficult to nail down.
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