Ok ok, yes, I misunderstood. Obviously the name resolution is done at the
host performing the scan, and yes, this one has the right ldap
configuration. I have to investigate what has happened. I will perform
another scan to see if it fixes the problem, but due to the long time it
will take, I will last some days.
I will also try the patch. It sounds very interesting. Don't worry, I will
keep you up to date.
Thanks again for your help!
Miguel
El mié., 15 de julio de 2015 16:03, LEIBOVICI Thomas <
[email protected]> escribió:
> On 07/15/15 14:35, Miguel Gutiérrez Páez wrote:
>
> Hi Thomas,
>
> Thanks for the reply.
>
> No owner change in the affected files (I'm pretty sure). So, do you mean
> the name resolution is done in the mysql server host? My mysql server is
> not integrated in my ldap environment... so that could be the reason of the
> mismatch... I thought the resolution was done outside mysql host.
>
> The name resolution is done by the node that run the robinhood scan.
> Make sure the ldap config on this host is correct.
>
> For a given entry that doesn't match your rbh-find whereas is should, you
> can run
> > rbh-report -e "/path/to/the/entry" to see what it the saved owner in
> robinhood DB for a particular entry.
>
> Question: for the suspisious "rbh-find" command output, do you use
> wildcards or special caracters like 'rbh-find -owner "foo*"'
>
>
>
> I'm using Ibrix filesystem. I perform a simply scan on a mounted
> directory.
>
> Do you mean that atime parameter in rbh-find matches max(atime, mtime,
> ctime) ?? I think it is not the desired behaviour. I would like to make a
> search by a really atime parameter. It is possible?
>
> This patch by Cray stores the real atime/mtime/ctime in DB and make them
> available in rbh-find:
>
>
> https://github.com/fzago-cray/robinhood/commit/acc3d7144ecff99f16af6ab776380c9bcc57ec7d
>
> If you are not familiar with git and github, please ask, I will help you
> to generate a version with this patch.
>
> Regards
>
> Thomas
>
>
>
> Thanks for your support.
>
> Regards.
>
> Miguel.
>
> El mié., 15 jul. 2015 a las 10:44, LEIBOVICI Thomas (<
> [email protected]>) escribió:
>
>> Hi Miguel,
>>
>>
>> On 07/13/15 09:00, Miguel Gutiérrez Páez wrote:
>>
>> Hi all,
>>
>> I have installed robinhood 2.5.5-2 (build 2015-06-30) and I'm doing
>> some tests. I found very interesting the rbh-find utility, but I've
>> realized that can returns wrong results. For example, if I try to find
>> files where I am the owner, it also returns some files from other user(s).
>>
>>
>> This is unexpected. Isn't this due to an owner change between the last
>> robinhood DB update and the current filesystem state?
>> I suggest you check your ldap configuration on the robinhood host (uid to
>> login resoltion is done when the entry is inserted to robinhood DB, not
>> when running rbh-find).
>>
>> By the way, how do you use robinhood? with Lustre? another filesystem? If
>> running with Lustre, do you read changelogs or just scan?
>>
>>
>> The same occurs with atime filter; some times returns files that does
>> not match the criteria.
>>
>> This can also be explained by an atime change since the last DB update.
>>
>> Also, you must know that robinhood reports last_access=max(atime, mtime,
>> ctime) as any change in these times are considered as an activity on the
>> file.
>>
>> Regards,
>> Thomas
>>
>> I don't know how to address theses problems. I find the software very
>> interesting but with these false results I cannot trust to perform some
>> more delicated operations, such as deletions.
>> Any help is appreciated.
>>
>> Best regards.
>>
>> Miguel.
>>
>>
>>
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>>
>
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