System documentation of Samba

[jra at dp.samba.org]

On Thu, Sep 05, 2002 at 08:59:36AM +0200, Johannes Tyve wrote:
> One of our servers crashed and when we booted it again one Samba process 
> hung and grabbed one of the servers cpu's. When we killed the samba 
> process, another process generated 100% load on one cpu. From the log 
> file:
> 
> smbd/open.c:open_mode_check(555)
>   open_mode_check: exlusive oplock left by process 23227 after break ! For 
> file
> profile/.../office.file.doc, dev = 900, inode = 2704003. Deleting it to 
> continue...
> lib/util.c:smb_panic(1055)
>   PANIC: open_mode_check: Existant process 23227 left active oplock.
> 
> We tried to disable oplocks but no luck. After some more testing we 
> deleted all files in /var/opt/samba/lock (brlock.tdb       connections.tdb 
>  messages.tdb     ntdrivers.tdb    ntprinters.tdb   share_info.tdb 
> unexpected.tdb browse.dat       locking.tdb      ntforms.tdb printing.tdb 
> ) and restarted samba. This time it worked fine.
> 
> Is there som information about the tdb file and the inner structures of 
> Samba? What do we lose if we delete the diffrent tdb files?
> 
> We are using Samba 2.2.2

This was one of the problems we fixed after 2.2.2. I would
recommend upgrading to 2.2.5. However there are still some
scaling problems with Solaris, we are awaiting confirmation
of a Sun hotfix on the issue (it's a Solaris bug now, not
a Samba one).

Jeremy.