Re: Advanced Server: file locking

From: Karl Rohwedder (extern.karl.rohwedder_at_volkswagen.de)
Date: 05/14/03 

Date: Wed, 14 May 2003 10:07:41 +0200

Brad McCusker schrieb:
> "Karl Rohwedder" <extern.karl.rohwedder@volkswagen.de> wrote in message
> news:b9q916$nis2@doiweb4.volkswagen.de...
>
>>Kari Keronen schrieb:
>>
>>>We recently upgradet our VMS cluster from 7.2-1 to 7.3-1 and Advanced
>
> Server
>
>>>from 6.0C to 7.3A. Now when creating a file through Advanced Server the
>
> file
>
>>>stays locked much longer than before. This is causing problems with one
>>>application that tries to move the created files.
>>>Is there any way to configure Advanced Server so that the file locking
>
> time
>
>>>is shorter or must I reconfigure the application ?
>>>
>>>-Kari-
>>>
>>>
>>
>>The Openfile Caching can be configured voa ADMIN/CONFIG -> ADVANCED,
>>pls. note that an Eco1 is available for 7.3A.
>>
>
>
> Open File Cache is not likely related to this problem. Open file cache was
> designed to address performance problems with
> batch files. When windows clients execute batch jobs, the sequence of
> events is something like "Open file, read line, close file, process read
> line, Open file, read next line, close file process read line, etc". Rather
> than having VMS close the file each time the client says to close, the Open
> File cache provides a mechanism to keep the file open briefly, essentially
> betting on the fact that there is a good chance the client will want to open
> that file again, real soon.
>
>
>>--
>>
>>mit freundlichen Grüßen | with best regards
>>
>>Karl Rohwedder iT-Ingenieurteam
>>Ellernbruch 11 D-38112 Braunschweig
>>
>>mailto:it-ingteam(at)t-online.de | mailto:rohwedder(at)decus.decus.de
>>mailto:extern.karl.rohwedder(at)volkswagen.de
>>
>
>
>
We had an application, which transfers a file to VMS and immediately
starts it via RSH. To make that work, file open caching had to be disabled. 

-- 
mit freundlichen Grüßen | with best regards
Karl Rohwedder		iT-Ingenieurteam
Ellernbruch 11		D-38112 Braunschweig
mailto:it-ingteam(at)t-online.de | mailto:rohwedder(at)decus.decus.de
mailto:extern.karl.rohwedder(at)volkswagen.de

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