[gpfsug-discuss] Spectrum Scale - Spectrum Protect - SpaceManagement (GPFS HSM)

[Jaime Pinto]

It has been a while since I used HSM with GPFS via TSM, but as far as  
I can remember, unprivileged users can run dsmmigrate and dsmrecall.

Based on the instructions on the link, dsmrecall may now leverage the  
Recommended Access Order (RAO) available on enterprise drives, however  
root would have to be the one to invoke that feature.

In that case we may have to develop a middleware/wrapper for dsmrecall  
that will run as root and act on behalf of the user when optimization  
is requested.

Someone here more familiar with the latest version of TSM-HSM may be  
able to give us some hints on how people are doing this in practice.

Jaime




Quoting "Andrew Beattie" <abeattie at au1.ibm.com>:

> Thanks Jaime,     How do you get around Optimised recalls? from what I
> can see the optimised recall process needs a root level account to
> retrieve a list of files
> https://www.ibm.com/support/knowledgecenter/SSSR2R_7.1.1/com.ibm.itsm.hsmul.doc/c_recall_optimized_tape.html[1]
>     Regards, Andrew Beattie Software Defined Storage  - IT Specialist
> Phone: 614-2133-7927 E-mail: abeattie at au1.ibm.com[2]     -----
> Original message -----
> From: "Jaime Pinto" <pinto at scinet.utoronto.ca>
> To: "gpfsug main discussion list" <gpfsug-discuss at spectrumscale.org>,
> "Andrew Beattie" <abeattie at au1.ibm.com>
> Cc: gpfsug-discuss at spectrumscale.org
> Subject: Re: [gpfsug-discuss] Spectrum Scale - Spectrum Protect -
> Space Management (GPFS HSM)
> Date: Fri, Jun 2, 2017 7:28 PM
>   We have that situation.
> Users don't need to login to NSD's
>
> What you need is to add at least one gpfs client to the cluster (or
> multi-cluster), mount the DMAPI enabled file system, and use that
> node
> as a gateway for end-users. They can access the contents on the mount
>
> point with their own underprivileged accounts.
>
> Whether or not on a schedule, the moment an application or linux
> command (such as cp, cat, vi, etc) accesses a stub, the file will be
>
> staged.
>
> Jaime
>
> Quoting "Andrew Beattie" <abeattie at au1.ibm.com>:
>
>> Quick question,   Does anyone have a Scale / GPFS environment (HPC)
>> where users need the ability to recall data sets after they have
> been
>> stubbed, but only System Administrators are permitted to log onto
> the
>> NSD servers for security purposes.   And if so how do you provide
> the
>> ability for the users to schedule their data set recalls?
> Regards,
>> Andrew Beattie Software Defined Storage  - IT Specialist Phone:
>> 614-2133-7927 E-mail: abeattie at au1.ibm.com[1]
>>
>>
>> Links:
>> ------
>> [1] mailto:abeattie at au1.ibm.com[3]
>>
>
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> Jaime Pinto
> SciNet HPC Consortium - Compute/Calcul Canada
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