[Samba] CIFS and ghost files.
Jeff Layton
jlayton at samba.org
Wed Dec 2 13:27:19 MST 2009
On Wed, 2 Dec 2009 10:55:50 -0500
RobertoBouza at bayviewassetmanagement.com wrote:
> Hello everyone.
>
> I hope I can get some help with this problem we are having.
>
> We have a CIFS mount (from a NetApp) were we write files (php
> application). Then the files are being copied to a directory in the same
> CIFS filesystem, then a process on a Windows server picks up the file and
> deletes it.
>
> The thing is, later the php app, generates a new file and when it tries to
> copy it it says "the file doesn't exists". So if I go to the "copy"
> location and do an ls I don't see the file, but if I do ls -l "filename"
> then it shows!!!
>
> I issue a rm "filename" and I got a "no such file or directory", then I do
> a ls -l "filename" is not there anymore. here some steps:
>
> A.- On a CIFS filesystem /path/ on a RHEL 5 server (server1):
>
> 1.- PHP app generates file (test.txt) on /path/temp/
> 2.- PHP app copies file from /path/temp/ to /path/final/
>
> B.- On a Windows server accessing the same /path/ share (server2)
>
> 1.- Informatica sees the test.txt file on /path/final/ executes a
> proccess, deletes the file
>
> C.- On server 1
>
> 1.- PHP app generates file (test.txt) on /path/temp/
> 2.- PHP app copies file from /path/temp/ to /path/final/ ----> the app
> fails with an error
>
> D.- Admin (ME)
>
> 1.- Goes to the server an does: ls -l /path/final/ ---> file is not there
> 2.- Does: ls -l /path/final/test.txt and gets: -rwxrwSrwx 1 wwwspool
> wwwspool 0 Nov 4 10:38 test.txt
> 3.- Does: rm /path/final/test.txt and gets: rm: cannot remove `test.txt':
> No such file or directory
>
> The cycle starts again on A.
>
> thanks for your help.
Interesting. What kernel are you using here?
--
Jeff Layton <jlayton at samba.org>
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