[Samba] Re: file locks problem??
Francesco Samba/ML
samba at colliniconsulting.it
Sun Nov 17 10:20:01 GMT 2002
Hi Boogerman,
thank you for the kind reply you gave me.
Furthermore i would like to ask you if, with latest Samba version, do you
still use the kernel oplocks, level2 oplocks and the oplocks options set to
NO.
Thnk you again, bye.
Boogerman writes:
> I suggest you get the latest samba version.
> I've been having similar problems with older versions, wich I solved
> disabling kernel oplocks:
>
> kernel oplocks = no
>
> If that doesn't solve your problem, try also
>
> level2 oplocks = no
> oplocks = no
>
> (note that this will reduce the performance since clients will no longer be
> able to cache files, so I suggest you get a newer samba/kernel)
>
> Boogerman
>
> ----- Original Message -----
> From: "Francesco Samba/ML" <samba at colliniconsulting.it>
> To: <samba at lists.samba.org>
> Sent: Saturday, November 16, 2002 8:23 AM
> Subject: [Samba] file locks problem??
>
>
>> Hello,
>>
>> i am running Samba 2.2.3a on a Red Hat Linux 7.3 box with kernel
> 2.4.18-10.
>>
>> I am experiencing some problems on a particular samba share, which is
>> accessed by 10 Windows 98SE clients working on a COBOL production packet
> by
>> mapping with a G: letters this samba folder.
>>
>> Well, some times a day it happens that this packed blocks because some
> files
>> on that samba folder remains locked; i also cannot browse this network
> drive
>> because, when arriving to these locked files, windows explorer crash.
>>
>> By viewing samba logs i see that, i think!, the problem could be perhaps
> in
>> a oplocks problem?
>>
>> [2002/11/16 11:15:45, 0] smbd/open.c:open_mode_check(551)
>> open_mode_check: exlusive oplock left by process 20445 after break ! For
>> file PROSYST/73002/73002DAT/SISTEMA, dev = 805, inode = 2588750. Deleting
> it
>> to continue...
>> [2002/11/16 11:15:45, 0] smbd/open.c:open_mode_check(555)
>> open_mode_check: Existent process 20445 left active oplock.
>> [2002/11/16 11:15:45, 0] tdb/tdbutil.c:tdb_log(475)
>> tdb(/var/cache/samba/locking.tdb): tdb_lock failed on list 54 ltype=0
>> (Interrupted system call)
>> [2002/11/16 11:22:09, 0] smbd/oplock.c:request_oplock_break(981)
>> request_oplock_break: no response received to oplock break request to pid
>> 20445 on port 32964 for dev = 805, inode = 3326030, file_id = 95
>> [2002/11/16 11:22:09, 0] smbd/open.c:open_mode_check(551)
>> open_mode_check: exlusive oplock left by process 20445 after break ! For
>> file PROSYST/PRO02/SYSMENU.LOG, dev = 805, inode = 3326030. Deleting it to
>> continue...
>> [2002/11/16 11:22:09, 0] smbd/open.c:open_mode_check(555)
>> open_mode_check: Existent process 20445 left active oplock.
>> [2002/11/16 11:22:09, 0] smbd/oplock.c:oplock_break(758)
>> oplock_break: receive_smb error (Success)
>> oplock_break failed for file PROSYST/PRO02/SYSMENU.LOG (dev = 805, inode
> =
>> 3326030, file_id = 95).
>> [2002/11/16 11:22:09, 0] smbd/oplock.c:oplock_break(843)
>> oplock_break: client failure in break - shutting down this smbd.
>> [2002/11/16 11:22:09, 0] tdb/tdbutil.c:tdb_log(475)
>> tdb(/var/cache/samba/locking.tdb): tdb_lock failed on list 24 ltype=1
>> (Resource deadlock avoided)
>> [2002/11/16 11:22:09, 0] tdb/tdbutil.c:tdb_log(475)
>> tdb(/var/cache/samba/locking.tdb): tdb_lock failed on list 24 ltype=0
>> (Resource deadlock avoided)
>> [2002/11/16 11:22:51, 0] smbd/oplock.c:request_oplock_break(981)
>> request_oplock_break: no response received to oplock break request to pid
>> 19083 on port 32927 for dev = 805, inode = 507948, file_id = 1856
>> [2002/11/16 11:22:51, 0] smbd/open.c:open_mode_check(551)
>> open_mode_check: exlusive oplock left by process 19083 after break ! For
>> file PROSYST/ISE02/ISE02DAT/NETUSER, dev = 805, inode = 507948. Deleting
> it
>> to continue...
>> [2002/11/16 11:22:51, 0] smbd/open.c:open_mode_check(555)
>> open_mode_check: Existent process 19083 left active oplock.
>> [2002/11/16 11:23:14, 0]
>> smbd/oplock_linux.c:linux_oplock_receive_message(135)
>> Invalid file descriptor 23 in kernel oplock break!
>>
>>
>>
>> The only way to repair this problem is restarting the SMB daemon.
>>
>> Could you please help me in order to solve this problem?
>>
>> Thank you again, best regards!
>>
>> Francesco Collini
>> --
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>>
>
>
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