Topic: SMB AutoCad Issues

[crocombe]

Hi,
Running  SME 7RC3.

have a number of users who all log intot he same folder and open AutoCad files. The AutoCad creates a Lock file so no one can open the file at the same time. The lock file should be deleted automatically when the file is closed. This   fails sometimes and no one can open the file again.

Any ideas as this is driving me crazy.

copy of mail from AutoCad....
Dear Tony,

 

We are unable to test this situation as Autodesk doesn't support Linux/Unix-based network environment:
http://usa.autodesk.com/adsk/servlet/ps/item?siteID=123112&id=2872551&linkID=2476243

Please direct the client to our discussion groups http://discussion.autodesk.com/index.jspa for assistance.

The error messages indicates some form of corruption. One of the causes of corruption is network file storage. Particularly when users are working and saving files directly to a network location. During high network utilization times, networking equipment can drop file information which can cause incomplete or corrupted saves in AutoCAD.

Best practice is to work on and save drawing files locally and then copy them to the network for backup/archive purposes. Also, storing drawing files in a filesystem other than NTFS or FAT is not recommended. Filesystems such as NFS, DFS, Novell etc have caused similar corruption problems for other users.

Here are some tips to protect the drawings from corruption:

1. Set the AutoCAD variable ISAVEPERCENT to 0. This reduces the amount of wasted space tolerated in the DWG file.
2. Use the autosave feature and if necessary turn up the frequency of automatic saves. if a drawing file cannot be recovered, much of its data can be found in these autosave files.
3. Be wary of 3rd party applications that install onto AutoCAD or manipulate DWG files directly. Many 3rd party applications can introduce corrupt data to the DWG database.

Listed below are drawing recovery techniques:

1. Use AutoCAD AUDIT command

http://usa.autodesk.com/getdoc/id=TS54343

2. Use AutoCAD RECOVER command (Use the latest version of AutoCAD available)

http://usa.autodesk.com/getdoc/id=TS21054

3. INSERT the drawing into a new drawing

4. WBLOCK

5. SAVEAS R13/SAVEAS R12

6. Export the drawing as a DXF file, then import the DXF file.

7. Query from AutoCAD Map

http://usa.autodesk.com/getdoc/id=TS32245

8. Open the drawing in Autodesk View and then save the drawing as a .DXF file

9. Restore .SV$ or .bak files

http://usa.autodesk.com/getdoc/id=TS20536

http://usa.autodesk.com/getdoc/id=TS20535

10. Use DesignCenter

http://usa.autodesk.com/getdoc/id=TS60657

http://usa.autodesk.com/getdoc/id=TS43354

11. Use Migration Assistance batch drawing converter to convert to R12

12. Export in any format (Design XML, ACIS (*.sat), ESRI shape, Intergraph/Microstation .dgn,

Creating and loading DesignXML files (2002,2000i)

http://usa.autodesk.com/getdoc/id=TS64232

13. Use a 3rd party data recovery company. You can find listings of data recovery services on the web.

Thank you

 

Elizabeth Forbes
Technical Support Officer
AEC Systems Pty Ltd / AEC MicroCADD (AEC Systems Pty Ltd T/A in Victoria)
SYDNEY - MELBOURNE - BRISBANE - PERTH - ADELAIDE - HOBART
A.B.N: 64 075 153 025

Head Office: Lv 14, 275 Alfred Street, North Sydney NSW Australia 2060

Phone: 1300 368 609
Fax: 1300 362 140

WWW.aecsystems.com.au
Elizabeth.forbes@aecsystems.com.au
Support@aecsystems.com.au

[CharlieBrady]

have a number of users who all log intot he same folder and open AutoCad files. The AutoCad creates a Lock file so no one can open the file at the same time. The lock file should be deleted automatically when the file is closed. This   fails sometimes and no one can open the file again.

That sounds like a deficiency in the AutoCAD software to me. It should be using SMB file system locking features, rather than the presence or absence of a lock file.

I would recommend that you google for other reports of AutoCAD lock issues with samba - I don't think what you are seeing will be SME specific.

[byte]

We use AutoCAD Inventa 10 here using SME 7.0 final without any problems, our users are also using XP clients