[Samba] Autocad file corruption...
David Brodbeck
DavidB at mail.interclean.com
Wed Jan 8 21:12:00 GMT 2003
> -----Original Message-----
> From: Robert A Wooldridge [mailto:bob.wooldridge at edm-inc.com]
> I am having problems with autocad file corruption. My users are
> draftsman and access project files via samba over the network. This
> problem occurs after a file has been worked on and someone
> attempts open
> a file that they were working on. There is no indication of a problem
> while the file is open and being worked on. But when they try to
> re-open it, autocad thinks the file is corrupt and it cannot be
> salvaged.
I had a similar problem for a while. Users were being locked out of their
AutoCAD files until they rebooted, and there were occasional instances of
corruption. It turned out to be a network problem. The user was on a badly
overloaded hub, and dropped packets were causing problems. Duplex
mismatches could also do it, but you said you already ran diagnostics, so I
assume you've checked that the NICs and the switch/hub are both set to the
same duplex settings. (Watch out, some older equipment doesn't
auto-negotiate properly, requiring all NICs to be manually forced into the
proper mode.) I haven't had a single instance of AutoCAD file corruption
since all our AutoCAD users were moved to a fully switched network, for what
it's worth.
If you can't find a network problem, you might try disabling oplocks on the
samba server to see if it helps.
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