Re: [gpfsug-discuss] IBM Spectrum Scale transparent cloud tiering

2016-01-29 Thread serv...@metamodul.com
Hi Robert, i refered to your posting i assume ^_^ Note the following is from what I know, Since i did not had any change to work with GPFS in the last 2 years my knowledge will be outdated. The current GPFS tiering options depending on the DMAPI which i am not a big fan since it had in the

Re: [gpfsug-discuss] IBM Spectrum Scale transparent cloud tiering

2016-01-29 Thread Vic Cornell
Simon is right - we are using DMAPI to tier off to WOS our object store and to StrongBox NAS-fronted tape. We are very interested in the new “lightweight” protocols as they may allow us to do stuff that DMAPI makes hard - like tiering off to more than one DMAPI service from a single

Re: [gpfsug-discuss] IBM Spectrum Scale transparent cloud tiering

2016-01-29 Thread Simon Thompson (Research Computing - IT Services)
>Er no the DMAPI was only ever required for HSM as far as I am aware. Now >while HSM is a form of tiering, in GPFS parlance tiering generally >referred to disk pools of varying "speeds", with file placement and >movement being done via the policy engine. DMAPI can do more than just HSM though. I

Re: [gpfsug-discuss] IBM Spectrum Scale transparent cloud tiering

2016-01-29 Thread Daniel Kidger
Spectrum scale already supports external tiering to say tape. http://www.zurich.ibm.com/sto/systems/bigdata.html   Here the GPFS policy engine is used to select which files to migrate based on say the filesize or date of last access. The file metadata remains in the filesystem and so 'ls -l' etc

Re: [gpfsug-discuss] IBM Spectrum Scale transparent cloud tiering

2016-01-29 Thread Oesterlin, Robert
mailto:gpfsug-discuss@spectrumscale.org>> Subject: [gpfsug-discuss] IBM Spectrum Scale transparent cloud tiering Hi i saw in the GPFS Forum somebody mentioning IBM Spectrum Scale transparent cloud tiering http://www.ibm.com/developerworks/servicemanagement/tc/gpfs/evaluate.html Thus the

[gpfsug-discuss] IBM Spectrum Scale transparent cloud tiering

2016-01-29 Thread serv...@metamodul.com
Hi i saw in the GPFS Forum somebody mentioning IBM Spectrum Scale transparent cloud tiering http://www.ibm.com/developerworks/servicemanagement/tc/gpfs/evaluate.html Thus the question. Does somebody knows how that - the tiering into clould services - is technical done and what limitations

Re: [gpfsug-discuss] IBM Spectrum Scale transparent cloud tiering

2016-01-29 Thread Oesterlin, Robert
ain discussion list <gpfsug-discuss@spectrumscale.org<mailto:gpfsug-discuss@spectrumscale.org>> Subject: Re: [gpfsug-discuss] IBM Spectrum Scale transparent cloud tiering We are very interested in the new “lightweight” protocols as they may allow us to do stuff that DMAPI makes hard - like