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

[Andreas Dilger]

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.