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Top Forums UNIX for Advanced & Expert Users Permission denied, but user is owner and has group ownership too Post 302346717 by scottrus on Monday 24th of August 2009 02:38:36 AM
Old 08-24-2009
File and Directory permissions.

Hi,
Yes I have been speaking with the weblogic folks, I had two avenues of thought, one was that is was a unix issue, and the other that it was a weblogic iasue.

Webogic offerred a workaround of sorts. The file is a weblogic file store, and we have moved the file store "Synchronous write policy" from "Direct Write" to "Cache-Flush". However there is a performance hit in doing so, and we effectively bypass the "direct I/O" in weblogic.

I am still working on it, and all the comments have helped, in at least eliminating what it is not. I can kill the jvm and still the file has some kind of a lock on it. But I am wondering what tools can I use to find what has the lock and how to stop it. Maybe Weblogic will come back with a better answer, which I will post here, but till then, I am still going down the unix route....
 

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lock_init(9r)															     lock_init(9r)

NAME
lock_init - General: Initializes a complex lock SYNOPSIS
#include <kern/lock.h> void lock_init( lock_t lock_structptr, boolean_t can_sleep ); ARGUMENTS
Specifies a pointer to the complex lock structure, lock. The lock structure is an opaque data structure; that is, its associated members are referenced and manipulated by the operating system and not by the user of the complex lock mechanism. Specifies a Boolean value that indicates whether to allow kernel threads to block (sleep) if the complex lock is asserted. You can pass to this argument only the value TRUE (allow kernel threads to block if the lock is asserted). DESCRIPTION
The lock_init routine initializes a complex lock. You identify this lock by declaring a pointer to a complex lock structure and passing it as the first argument. The complex lock structure pointer must be initialized before you can assert read and write operations on the com- plex lock. RETURN VALUES
None FILES
SEE ALSO
Routines: lock_done(9r), lock_read(9r), lock_terminate(9r), lock_try_read(9r), lock_try_write(9r), lock_write(9r) Data Structures: lock(9s) lock_init(9r)
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