No.
In the meantime, looking through kernel tables I got a list of inodes on that file system with a non zero reference count. No wonder it can't umount. All these are .so and .a files, presumably some library modules.
The next thing to try to find out is: with the application running what...
genkex reports no user loaded kernel extensions. But open file descriptor is worth investigating. I am having problems, though, going through kdb without a map of where things are.
They've been looking at it for over a week and are clueless. They claim it doesn't happen elsewhere which is not surprising. I was never aware of the issue until I implemented HACMP on a couple of nodes.
All of the above were tried again and again. (I've got 4 systems using this app, all exhibiting the same behaviour).
Right now I am using kdb to try to find out what is really going on. inode subcommand lists a number of inodes on the offending file system one of which did translate to a real...
While trying to umount a file system keep getting message "...device busy" even after eliminating all the processes with open files.
fuser and lsof show nothing.
Ran slibclean. No change.
Used ipcrm to remove all share memory segments, messsage queues, semaphores. No change...
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