[OpenAFS] windows client problems...

Jeffrey Altman jaltman@columbia.edu
Thu, 27 Jan 2005 22:12:54 -0500


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 From my afs-install-notes.txt file:

2. The AFS Client Service does not provide robust behavior in an 
environment with a plug-n-play network environment.  Changes to the 
number of network adapters or the assigned IP addresses will cause the 
service to panic.  The recommended work around for this problem is to 
install the Microsoft Loopback Adapter on the machine.  When the MLA is 
installed with a static IP address the AFS Client Service will bind only 
to the loopback and not be affected by changes to state of other network 
adapters installed on the system.

Starting in the 1.3.65 release the installers provided by OpenAFS.org 
will install the Microsoft Loopback Adapter for you with a name of "AFS" 
and a pre-assigned IP address in the 10.x.x.x range.

One of the benefits of using the MLA is that the NETBIOS names used for 
the AFS Client's SMB server do not have to be published on any adapter 
other than the MLA.  This means that the names no longer need to be 
unique.  When the MLA is in use, the NETBIOS name associated with the 
AFS Client Service is simply "AFS".  When the MLA is not in use the 
NETBIOS name is "MACHINE-AFS".

When the MLA is installed, UNC paths of the form \\AFS\cellname\path may 
be used.

The MLA is installed with a binding to "Client for Microsoft Networks" 
but not to "File and Printer Sharing for Microsoft Networks".  If you 
fail to bind "Client Microsoft Networks" you will not be able to access 
the AFS Client Service when the machine is disconnect from the network. 
  If you bind "File and Printer Sharing ..." there will be a conflict 
between the name "AFS" and the name of the machine on the published IP 
Address.  This will result in a failure to be able to access files in 
AFS.  The "NET VIEW" command will return a "System Error 52" message 
when this conflict exists.  To correct the problem:

  * stop the AFS Client Service
  * bind the "Client for Microsoft Networks" to the MLA
  * unbind "File and Printer Sharing for Microsoft Networks" from the MLA
  * Disable and then Enable the MLA
  * start the AFS Client Service

Jeffrey Altman

Robbie Foust wrote:
> This page:
> 
> http://grand.central.org/twiki/bin/view/AFSLore/WindowsLoopBackAdapter
> 
> says that file/print sharing and client for microsoft networks should be 
> ON (see step 5 near the bottom).  That could be where some confusion is 
> happening?
> 
> - Robbie
> 
> 
> 
> Robbie Foust wrote:
> 
>> Yep, there it is!  I turned it off, and seems to be working for now.  
>> (no idea how it got turned on, unless that was the default).  I assume 
>> client for microsoft networks should be turned off too?  or on?
>>
>> Thanks for the help!
>>
>> - Robbie
>>

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