[gpfsug-discuss] CES SMB and multi user mounts

Leonardo Sala leonardo.sala at psi.ch
Fri Mar 7 15:40:45 GMT 2025


Dear all,

we do have a CES cluster with GPFS 5.2.2.1 and Active Directory 
authentication, and I would like to have multiuser mounts on linux. To 
my understanding, in order to have this I need to have my share allowing 
anonymous users to get information ("restrict anonymous=0", and 
eventually guest access ("guest ok = True"). Despite this, I do always 
get the following error:

Status code returned 0xc000006d STATUS_LOGON_FAILURE

when mounting with:  mount.smb3 -o multiuser,sec=krb5,cifsacl,guest

Has anyone succeeded in doing it? It seems that on Netapp it works, but 
one needs to create a share open to anyone, and then have your normal 
sub-shares in it. Any experience with CES? It seems to me that winbind 
always tries to get information from AD concerning the user mounting in 
multiuser mode, which in this case is root, thus it fails...

Thanks!

cheers

leo

-- 
Paul Scherrer Institut
Dr. Leonardo Sala
Group Leader Data Analysis and Research Infrastructure
Group Leader Data Curation a.i.
Deputy Department Head Science IT Infrastructure and Services department
Science IT Infrastructure and Services department (AWI)
OBBA/230
Forschungstrasse 111
5232 Villigen PSI
Switzerland

Phone: +41 56 310 3369
leonardo.sala at psi.ch
www.psi.ch
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