RE: Oplocks

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance


Hi Trab,

Thanks for your update soon!

If you have any concerns or questions, please feel free to let me know. I
am glad to be of assistance!

Thanks & Regards,

Jason Tan

Microsoft Online Partner Support
Get Secure! - www.microsoft.com/security

=====================================================

When responding to posts, please "Reply to Group" via your newsreader so
that others may learn and benefit from your issue.

=====================================================
This posting is provided "AS IS" with no warranties, and confers no rights.


--------------------
| Thread-Topic: Oplocks
| thread-index: AcVUctT4wZBPOls7QUKpVW1tzqy77A==
| X-WBNR-Posting-Host: 81.72.203.38
| From: "=?Utf-8?B?dHJhYg==?=" <trab@xxxxxxxxxxxxxx>
| References: <8D2A885C-44E0-4272-BB68-A2CFBAB6F190@xxxxxxxxxxxxx>
<kmhMcGGVFHA.3052@xxxxxxxxxxxxxxxxxxxxx>
| Subject: RE: Oplocks
| Date: Mon, 9 May 2005 01:41:02 -0700
| Lines: 131
| Message-ID: <88E02E6D-0934-466F-86CA-B20E58992D09@xxxxxxxxxxxxx>
| MIME-Version: 1.0
| Content-Type: text/plain;
| charset="Utf-8"
| Content-Transfer-Encoding: 7bit
| X-Newsreader: Microsoft CDO for Windows 2000
| Content-Class: urn:content-classes:message
| Importance: normal
| Priority: normal
| X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.0
| Newsgroups: microsoft.public.win2000.networking
| NNTP-Posting-Host: TK2MSFTNGXA03.phx.gbl 10.40.2.250
| Path: TK2MSFTNGXA01.phx.gbl!TK2MSFTNGXA03.phx.gbl
| Xref: TK2MSFTNGXA01.phx.gbl microsoft.public.win2000.networking:23760
| X-Tomcat-NG: microsoft.public.win2000.networking
|
| Thanks, all seems clear in your answer. In case of more doubts I'll
surely
| let you know!
|
| Trab
|
| "Jason Tan (MSFT)" wrote:
|
| > Hi,
| >
| > Thanks for posting!
| >
| > I would like to make some clarification on the description here.
| >
| > You may refer to Q296264 to configure opportunistic locking on both
client
| > and server as the following:
| >
| > HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MRXSmb\Parameters\
| >
| > Or to set entry EnableOplocks to 0 this one:
| >
| >
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters
| >
| >
| > Additionally, you may refer to following to improve performance when an
| > application locks data and then immediately reads the data, or writes
data
| > and then immediately unlocks it.
| >
| > UseLockReadUnlock
| >
http://www.microsoft.com/resources/documentation/Windows/2000/server/reskit/
| >
en-us/Default.asp?url=/resources/documentation/Windows/2000/server/reskit/en
| > -us/regentry/58913.asp
| >
| > However, Q 219022 is only applied to Microsoft BackOffice Small
Business
| > Server 4.0 and Microsoft BackOffice Small Business Server 4.5. It
cannot
| > apply to Windows 2000 environment here.
| >
| > If there is anything that is unclear, please feel free to let me know.
| >
| > Thanks & Regards,
| >
| > Jason Tan
| >
| > Microsoft Online Partner Support
| > Get Secure! - www.microsoft.com/security
| >
| > =====================================================
| >
| > When responding to posts, please "Reply to Group" via your newsreader
so
| > that others may learn and benefit from your issue.
| >
| > =====================================================
| > This posting is provided "AS IS" with no warranties, and confers no
rights.
| >
| >
| >
| > --------------------
| > | Thread-Topic: Oplocks
| > | thread-index: AcVTH4ERbRk89DVITs2EQiQGA44Upg==
| > | X-WBNR-Posting-Host: 81.72.203.38
| > | From: "=?Utf-8?B?dHJhYg==?=" <trab@xxxxxxxxxxxxxx>
| > | Subject: Oplocks
| > | Date: Sat, 7 May 2005 09:12:02 -0700
| > | Lines: 38
| > | Message-ID: <8D2A885C-44E0-4272-BB68-A2CFBAB6F190@xxxxxxxxxxxxx>
| > | MIME-Version: 1.0
| > | Content-Type: text/plain;
| > | charset="Utf-8"
| > | Content-Transfer-Encoding: 7bit
| > | X-Newsreader: Microsoft CDO for Windows 2000
| > | Content-Class: urn:content-classes:message
| > | Importance: normal
| > | Priority: normal
| > | X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.0
| > | Newsgroups: microsoft.public.win2000.networking
| > | NNTP-Posting-Host: TK2MSFTNGXA03.phx.gbl 10.40.2.250
| > | Path: TK2MSFTNGXA01.phx.gbl!TK2MSFTNGXA03.phx.gbl
| > | Xref: TK2MSFTNGXA01.phx.gbl microsoft.public.win2000.networking:23739
| > | X-Tomcat-NG: microsoft.public.win2000.networking
| > |
| > | (this is a repost: sorry, e-mail alias in previous post was wrong)
| > |
| > | Hi all,
| > | I have question about the known issue of opportunistic locking for
old
| > | database applications running with obsolete engines (Superbase and
| > Paradox,
| > | the problem is very similar). Client-server apps, Windows 2000
| > (up-to-date
| > | with SPs and critical updates) both client and server.
| > |
| > | I have found the first official answer in "296264: Configure
| > opportunistic
| > | locking in Windows". The suggestion is to set entry OplocksDisabled
to 1
| > in
| > | this client registry entry:
| > |
| > |
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MRXSmb\Parameters\
| > |
| > | or to set entry EnableOplocks to 0 this one:
| > |
| > |
| >
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters
| >
| > |
| > | More infos are in "219022: Improving Performance of MS-DOS Database
| > | Applications" about in particular entry EnableOpLocks, in
| > |
| > |
| >
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters
| >
| > |
| > | Good. BUT in Windows 2000 Registry Reference, at
| >
http://www.microsoft.com/resources/documentation/Windows/2000/server/reskit/
| >
en-us/Default.asp?url=/resources/documentation/Windows/2000/server/reskit/en
| > -us/regentry/58913.asp
| > |
| > | I've found more registry entries, UseLockReadUnlock and
| > | UseOpportunisticLocking,
| > | in this registry key:
| > |
| > | HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters
| > |
| > | So, I'm getting a bit confused. Which entries are to be set for
better
| > | performance? I've got to set them on client computer, on server
computer
| > or
| > | both?!
| > |
| > | Thanks.
| > |
| > |
| >
| >
|

.

Relevant Pages

  • RE: Oplocks
    ... usually respond to one question/issue per post. ... Jason Tan ... Microsoft Online Partner Support ... | Thread-Topic: Oplocks ...
    (microsoft.public.win2000.networking)
  • Re: Advanced Server: file locking
    ... Advanced Server's support of Opprotunistic Locking (OpLocks). ... best thought of as client side caching. ... on ther server becuase it has that exclusive OpLock. ... support OpLocks, it simply responds to the client that it is not supported, ...
    (comp.os.vms)
  • Re: Start service automatically
    ... Microsoft Online Partner Support ... dans le message de news: ... If you want to configure a services that is installed on a client ... (Group Policy Management Console) ...
    (microsoft.public.windows.group_policy)
  • RE: SBS2k3 - OWA - Disable New Mail Notification for Junk E-mail
    ... notification mechanism for MAPI client. ... Once your mailbox store receives a ... Microsoft Online Partner Support ...
    (microsoft.public.windows.server.sbs)
  • RE: OWA Error on page!
    ... You must clear the IE cache at the client; ... Does the problem occur to a specific account or all the accounts? ... Microsoft Online Partner Support ... PLEASE NOTE the newsgroup SECURE CODE and PASSWORD were ...
    (microsoft.public.windows.server.sbs)