[Samba] oplock problems
c.m.e.reniers at philips.com
c.m.e.reniers at philips.com
Tue Oct 29 15:49:22 GMT 2002
We are running samba 2.2.3a ( for about 3000 users ) on HP/UX 11.11
fileservers.
Our customers are complaining about slow response on the opening/closing
of files in office/excel etc.
In the samba log file we see the following messages :
[2002/10/29 09:03:27, 0] ../source/smbd/oplock.c:(761)
oplock_break: receive_smb timed out after 30 seconds.
oplock_break failed for file My Documents/servers.doc (dev = 40220001,
inode = 229991, file_id = 240).
[2002/10/29 09:03:27, 0] ../source/smbd/oplock.c:(833)
oplock_break: client failure in oplock break in file My
Documents/servers.doc
[2002/10/29 09:03:27, 0] ../source/smbd/reply.c:(4387)
reply_lockingX: Error : oplock break from client for fnum = 14026 and no
oploc
k granted on this file (My Documents/servers.doc).
We found out that these messages correspond with the slow response that
our users are seeing.
I've searched the samba archive and there are more people having these
messages.
The solutions I found were :
- You may have a netwerk problem ( which is NOT the case in our situation
)
- Turn oplocks off ( But this may introduce a performance problem )
Can somebody please explain :
- What this message really means.
- Can it be related to the slow response that our customers are
complaining about
- Is there a solution to this probem ( our network is ok, turning oplocks
off is not a solution .. )
Regards,
Eddy Reniers,
Philips Research Laboratories
Department Computer Services, Building WY p 29- postbox WY01
Prof.Holstlaan 4, 5656 AA Eindhoven, The Netherlands
Phone : +31-40-27-44703
Email : c.m.e.reniers at philips.com
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