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en:hpss_les_questions_a_se_poser_avant_utilisation [2017/10/02 13:37]
Gino MARCHETTI created
en:hpss_les_questions_a_se_poser_avant_utilisation [2017/10/03 09:09] (current)
Gino MARCHETTI [HPSS: what you should ask yourself before using the service]
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-This document aims to help you define your needs in terms of massive storage and use of HPSS at CC-IN2P3. It is articulated as a enquiry form. Answers as complete and clear as possible will allow us to better understand your experience needs and how to satisfy them. A preliminary reading of this [[en:​hpss_debuter_avec_hpss|document]] may give you some hints. You will find an explanation of all the terms used in this form. You will also find on our website a series of articles dealing with the problems of [[en:​stockage-et-transfert|data storage and access management]],​ as well as [[en:​transfert-de-donnees| data transfer]]. For any issue or request, please contact CC-IN2P3 users support ​(user.support@cc.in2p3.fr).\\+This document aims to help you define your needs in terms of massive storage and use of HPSS at CC-IN2P3. It is articulated as a enquiry form. Answers as complete and clear as possible will allow us to better understand your experience needs and how to satisfy them. A preliminary reading of this [[en:​hpss_debuter_avec_hpss|document]] may give you some hints. You will find an explanation of all the terms used in this form. You will also find on our website a series of articles dealing with the problems of [[en:​stockage-et-transfert|data storage and access management]],​ as well as [[en:​transfert-de-donnees| data transfer]]. For any issue or request, please contact ​[[https://​cc-usersupport.in2p3.fr/​|CC-IN2P3 users support]].\\
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 Subsequently,​ CC-IN2P3 will provide you with a set of information allowing you to write your data in HPSS and to access it in the best conditions. For example, depending on your answers to the following questions, we will assign one or more Classes Of Service to your experience, as well as the name of a service machine to use in rfio or rfcp.\\ Subsequently,​ CC-IN2P3 will provide you with a set of information allowing you to write your data in HPSS and to access it in the best conditions. For example, depending on your answers to the following questions, we will assign one or more Classes Of Service to your experience, as well as the name of a service machine to use in rfio or rfcp.\\
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-For your tasks accessing HPSS, we suggest you use the //-l hpss=1// option in the qsub command for your job submission on our SGE batch system. This will allow us to optimize the CC resources. For example, during a scheduled HPSS shutdown, we can block your jobs and prevent them from exit with an error; thus avoiding you to handle these errors and resubmit your jobs. See our [[http://​cc.in2p3.fr/​rubrique304.html|web site]] for a much more detailed information.+For your tasks accessing HPSS, we suggest you use the //-l hpss=1// option in the qsub command for your job submission on our SGE batch system. This will allow us to optimize the CC resources. For example, during a scheduled HPSS shutdown, we can block your jobs and prevent them from exit with an error; thus avoiding you to handle these errors and resubmit your jobs.
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  • en/hpss_les_questions_a_se_poser_avant_utilisation.txt
  • Last modified: 2017/10/03 09:09
  • by Gino MARCHETTI