[Lustre-discuss] need help debuggin an access permission problem

Tina Friedrich Tina.Friedrich at diamond.ac.uk
Fri Sep 24 01:18:15 PDT 2010


Cheers Andreas. I had actually found that, but there doesn't seem to be 
that much documentation about it. Or I didn't find it :) Plus it 
appeared to find the users that were problematic whenever I tried it, so 
I wondered if that is all there is, or if there's some other mechanism I 
could test for.

Tina

On 23/09/10 22:25, Andreas Dilger wrote:
> On 2010-09-23, at 08:03, Tina Friedrich wrote:
>> Still - could someone point me to the bit in the documentation that best
>> describes how the MDS queries that sort of information (group/passwd
>> info, I mean)? Or how to best test that it's mechanisms are working? For
>> example, in this case, I always thought one would only hit the size
>> limit if doing a bulk 'transfer' of data, not doing a lookup on one user
>> - plus I could do these sort lookups fine on all machines involved
>> (against all ldap servers).
>
> You can run "l_getgroups -d {uid}" (the utility that the MDS uses to query the groups database/LDAP) from the command-line.
>
> Cheers, Andreas
> --
> Andreas Dilger
> Lustre Technical Lead
> Oracle Corporation Canada Inc.
>
>


-- 
Tina Friedrich, Computer Systems Administrator, Diamond Light Source Ltd
Diamond House, Harwell Science and Innovation Campus - 01235 77 8442

-- 
This e-mail and any attachments may contain confidential, copyright and or privileged material, and are for the use of the intended addressee only. If you are not the intended addressee or an authorised recipient of the addressee please notify us of receipt by returning the e-mail and do not use, copy, retain, distribute or disclose the information in or attached to the e-mail.
Any opinions expressed within this e-mail are those of the individual and not necessarily of Diamond Light Source Ltd. 
Diamond Light Source Ltd. cannot guarantee that this e-mail or any attachments are free from viruses and we cannot accept liability for any damage which you may sustain as a result of software viruses which may be transmitted in or with the message.
Diamond Light Source Limited (company no. 4375679). Registered in England and Wales with its registered office at Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, United Kingdom
 






More information about the lustre-discuss mailing list