[gpfsug-discuss] Configuration spectrum scale to use SFU schema

Aidan Richmond a.g.richmond at leeds.ac.uk
Wed Mar 22 08:01:33 GMT 2017


On 21/03/17 17:24, Christof Schmitt wrote:
> gpfsug-discuss-bounces at spectrumscale.org wrote on 03/21/2017 03:56:41 AM:
>
>> Is it possible to configure authentication services to bind to AD using
>> the older SFU schema for ID mappings? We have standard samba and nfs
>> servers that use this ID mapping scheme with "idmap config
>> DS:schema_mode = sfu" in the samba configuration files, but if its
>> possible using the mmuserauth command it doesn't seem to be documented.
>
> This falls into the category that we use Samba to provide these services,
> but cannot test and support
> every possible configuration. The feature to read the old MS style id
> attributes has not been tested
> with Spectrum Scale and is not supported. That said, it can still be set
> in the internal config:
>
> /usr/lpp/mmfs/bin/net conf setparm global 'idmap config DS:schema_mode'
> sfu
>
> Activating this change probably would require a restart of the process
> using this config:
>
> /usr/lpp/mmfs/bin/mmdsh -N CesNodes systemctl restart gpfs-winbind
>
> Opening a PMR on this will likely result in the answer that this is
> unsupported. The best way
> to request official support would be opening a RFE, let others vote and
> then product
> management can decide on the priority of the request.
>
> Regards,
>
> Christof Schmitt || IBM || Spectrum Scale Development || Tucson, AZ
> christof.schmitt at us.ibm.com  ||  +1-520-799-2469    (T/L: 321-2469)
>
>
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>

Thanks, would I need to re-run mmuserauth as per 
https://www.ibm.com/support/knowledgecenter/STXKQY_4.2.1/com.ibm.spectrum.scale.v4r21.doc/bl1adm_adwithrfc2307.htm 
or would the schema change be needed after that when configuring the 
authentication services?

-- 
Aidan Richmond
Apple/Unix Support Officer, IT
Garstang 10.137
Faculty of Biological Sciences
University of Leeds
Clarendon Way
LS2 9JT

Tel:0113 3434252
a.g.richmond at leeds.ac.uk



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