[OpenAFS] context menu handler slow in OpenAFS 1.5.8 for Windows
Jeffrey Altman
jaltman@secure-endpoints.com
Wed, 13 Sep 2006 22:23:46 -0400
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There is nothing wrong with using drive mappings.
My guess is that there is something wrong because the SamCompatible
name is not a prefix of the full Domain Name.
Lots of sites use domain logins without any delays. So its something
unusual about your environment.
Jeffrey Altman
Gurganus, Brant L wrote:
> Another potential contributing factor is that domain logon scripts
> automatically map AFS paths to drive letters, so I am not sure if I can
> prevent those mappings from occurring and see what happens then.
>
> -----Original Message-----
> From: Jeffrey Altman [mailto:jaltman@secure-endpoints.com]
> Sent: Wednesday, September 13, 2006 9:56 PM
> To: Gurganus, Brant L
> Cc: openafs-info@openafs.org
> Subject: Re: [OpenAFS] context menu handler slow in OpenAFS 1.5.8 for
> Windows
>
> What if you login with:
>
> gurganbl@MS.ROSE-HULMAN.EDU
>
> Gurganus, Brant L wrote:
>> Actually, I was wrong about the delay, I was just trying soon after
>> login when those results were still cached. The output is different
>> though:
>>
>> C:\Documents and Settings\gurganbl>fs whereis "My Documents"
>> pioctl CreateFile(C:\_._AFS_IOCTL_._) failed: 0x2
>> [The system cannot find the file specified.
>> ]
>> pioctl Explorer logon user: [MSROSE-HULMAN\gurganbl]
>> pioctl CreateFile(C:\_._AFS_IOCTL_._) failed: 0x2
>> [The system cannot find the file specified.
>> ]
>> pioctl LSA Principal logon user: [gurganbl@MS.ROSE-HULMAN.EDU]
>> pioctl WNetAddConnection2(\\afs,gurganbl@MS.ROSE-HULMAN.EDU) failed:
>> 0x4C3
>> pioctl WNetAddConnection2(\\afs\all,gurganbl@MS.ROSE-HULMAN.EDU)
> failed:
>> 0x4C3
>> pioctl SamCompatible logon user: [MSROSE-HULMAN\gurganbl]
>> pioctl CreateFile(C:\_._AFS_IOCTL_._) failed: 0x2
>> [The system cannot find the file specified.
>> ]
>> fs: Invalid argument; it is possible that My Documents is not in AFS.
>>
>> The delay occurs after the first WNetAddConnection2 call in the case
> of
>> both login forms.
>>
>> -----Original Message-----
>> From: Jeffrey Altman [mailto:jaltman@secure-endpoints.com]
>> Sent: Wednesday, September 13, 2006 9:28 PM
>> To: Gurganus, Brant L
>> Cc: openafs-info@openafs.org
>> Subject: Re: [OpenAFS] context menu handler slow in OpenAFS 1.5.8 for
>> Windows
>>
>> ok. What is the pioctl output when using that name form?
>>
>> Gurganus, Brant L wrote:
>>> With that information, if I login with MSROSE-HULMAN\gurganbl instead
>> of
>>> gurganbl@rose-hulman.edu, I do not experience the delay.
>>>
>>> -----Original Message-----
>>> From: Jeffrey Altman [mailto:jaltman@secure-endpoints.com]
>>> Sent: Wednesday, September 13, 2006 8:29 PM
>>> To: Gurganus, Brant L
>>> Cc: openafs-info@openafs.org
>>> Subject: Re: [OpenAFS] context menu handler slow in OpenAFS 1.5.8 for
>>> Windows
>>>
>>> There you go. Its taking pioctl() many tries before it can
>>> find the name form that matches the authentication name used
>>> to login the session. This name is required in order for
>>> authentication to the AFS SMB server to succeed since that is
>>> the only name that will be accepted over the loopback interface.
>>>
>>> I don't have a solution for you. The real fix for this is to
>>> stop using an SMB server and instead begin use of a Network
>>> Redirector. Completing this work is a long time off.
>>>
>>> Jeffrey Altman
>>>
>>>
>>>
>>> Gurganus, Brant L wrote:
>>>> I turned on the pioctl debugging as you suggested and these were the
>>>> results. This is a domain-joined limited user account.
>>>>
>>>>
>>>>
>>>> 0x4c3 is:
>>>>
>>>> ERROR_SESSION_CREDENTIAL_CONFLICT
>>>> 1219
>>>>
>>>>
>>>>
>>>> Multiple connections to a server or shared resource by the same
> user,
>>>> using more than one user name, are not allowed. Disconnect all
>>> previous
>>>> connections to the server or shared resource and try again.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> C:\Documents and Settings\gurganbl>fs whereis "My Documents"
>>>>
>>>> pioctl CreateFile(C:\_._AFS_IOCTL_._) failed: 0x2
>>>>
>>>> [The system cannot find the file specified.
>>>>
>>>> ]
>>>>
>>>> pioctl Explorer logon user: [gurganbl@rose-hulman.edu]
>>>>
>>>> pioctl WNetAddConnection2(\\afs,gurganbl@rose-hulman.edu) failed:
>>> 0x4C3
>>>> pioctl WNetAddConnection2(\\afs\all,gurganbl@rose-hulman.edu)
> failed:
>>> 0x4C3
>>>> pioctl LSA Principal logon user: [gurganbl@MS.ROSE-HULMAN.EDU]
>>>>
>>>> pioctl WNetAddConnection2(\\afs,gurganbl@MS.ROSE-HULMAN.EDU) failed:
>>> 0x4C3
>>>> pioctl WNetAddConnection2(\\afs\all,gurganbl@MS.ROSE-HULMAN.EDU)
>>> failed:
>>>> 0x4C3
>>>>
>>>> pioctl SamCompatible logon user: [MSROSE-HULMAN\gurganbl]
>>>>
>>>> pioctl CreateFile(C:\_._AFS_IOCTL_._) failed: 0x2
>>>>
>>>> [The system cannot find the file specified.
>>>>
>>>> ]
>>>>
>>>> fs: Invalid argument; it is possible that My Documents is not in
> AFS.
>>>>
>>>>
>>>> C:\Documents and Settings\gurganbl>fs whereis "My Documents"
>>>>
>>>> pioctl CreateFile(C:\_._AFS_IOCTL_._) failed: 0x2
>>>>
>>>> [The system cannot find the file specified.
>>>>
>>>> ]
>>>>
>>>> pioctl Explorer logon user: [gurganbl@rose-hulman.edu]
>>>>
>>>> pioctl WNetAddConnection2(\\afs,gurganbl@rose-hulman.edu) failed:
>>> 0x4C3
>>>> pioctl WNetAddConnection2(\\afs\all,gurganbl@rose-hulman.edu)
> failed:
>>> 0x4C3
>>>> pioctl LSA Principal logon user: [gurganbl@MS.ROSE-HULMAN.EDU]
>>>>
>>>> pioctl WNetAddConnection2(\\afs,gurganbl@MS.ROSE-HULMAN.EDU) failed:
>>> 0x4C3
>>>> pioctl WNetAddConnection2(\\afs\all,gurganbl@MS.ROSE-HULMAN.EDU)
>>> failed:
>>>> 0x4C3
>>>>
>>>> pioctl SamCompatible logon user: [MSROSE-HULMAN\gurganbl]
>>>>
>>>> pioctl CreateFile(C:\_._AFS_IOCTL_._) failed: 0x2
>>>>
>>>> [The system cannot find the file specified.
>>>>
>>>> ]
>>>>
>>>> fs: Invalid argument; it is possible that My Documents is not in
> AFS.
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: Jeffrey Altman [mailto:jaltman@secure-endpoints.com]
>>>> Sent: Wednesday, September 13, 2006 6:37 PM
>>>> To: Gurganus, Brant L
>>>> Cc: openafs-info@openafs.org
>>>> Subject: Re: [OpenAFS] context menu handler slow in OpenAFS 1.5.8
> for
>>>> Windows
>>>>
>>>>
>>>>
>>>> Turn on pioctl() debugging (as per the debugging section of the
>>>>
>>>> OpenAFS Release Notes), and then run the "fs whereis" test again.
>>>>
>>>>
>>>>
>>>> I suspect you will find the problem is that your systems are having
> a
>>>> hard time authenticating to the AFS Client Service. In which case
>>>>
>>>> all operations to AFS are suffering the same delays
>>>>
>>>>
>>>>
>>>> Jeffrey Altman
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Gurganus, Brant L wrote:
>>>>
>>>>> The delay characteristics are reproducible using the command you
>>>>> mentioned. If it is newly run, there is a delay. If it has recently
>>> ran
>>>>> (probably has results in a cache), then it finishes quickly.
>>>>> There appears to be no difference in output of the command when
>> there
>>> is
>>>>> a delay and when there is not a delay:
>>>>> C:\DOCUME~1\gurganbl>fs whereis "My Documents"
>>>>> fs: Invalid argument; it is possible that My Documents is not in
>> AFS.
>>>>> C:\DOCUME~1\gurganbl>fs whereis "My Documents"
>>>>> fs: Invalid argument; it is possible that My Documents is not in
>> AFS.
>>> _______________________________________________
>>> OpenAFS-info mailing list
>>> OpenAFS-info@openafs.org
>>> https://lists.openafs.org/mailman/listinfo/openafs-info
>> _______________________________________________
>> OpenAFS-info mailing list
>> OpenAFS-info@openafs.org
>> https://lists.openafs.org/mailman/listinfo/openafs-info
>
> _______________________________________________
> OpenAFS-info mailing list
> OpenAFS-info@openafs.org
> https://lists.openafs.org/mailman/listinfo/openafs-info
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