[Lustre-discuss] problem with secondary groups

[Temple Jason]

Hello,

I am running lustre 2.1.56 on the server side, and 1.8.4 (cray) on the client side.

I am having the classical secondary group problem, but when I enable it on the mds vi lctl conf_param lustre-MDT0000.mdt.identity_upcall=/usr/sbin/l_getidentity, I still have the same permissions problem on the client.

How do I get l_getidentity to work correctly?  When I run it directly myself using a valid uid,via:

l_getidentity -v lustre-MDT0000 21135

I get no output.

However if I run it with a non-valid uid, like this:

[root at mds1 ~]# l_getidentity lustre-MDT0000 21133
l_getidentity[7805]: no such user 21133
l_getidentity[7805]: partial write ret -1: Invalid argument

Any help would be appreciated.

Thanks,

Jason Temple
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