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| (No se muestran 24 ediciones intermedias de 2 usuarios) |
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| For the latest CESM release and CESM2 components see [http://www.cesm.ucar.edu/models/cesm2/whatsnew.html CESM2 documentation]. | | For the latest CESM release and CESM2 components see [http://www.cesm.ucar.edu/models/cesm2/whatsnew.html CESM2 documentation]. |
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| = Downloading CESM2 = | | = Installation = |
| | Follow to this [[CESMInstall WIKI CESM - hydra]] to see how the installation in CIMA's hydra was done. |
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| '''*** IMPORTANT: SECTION UNDER CONSTRUCTION***'''
| | = Use = |
| | | Follow to this [[CESMuse WIKI CESM - hydra]] to see how to use CESM in CIMA's hydra. |
| Following [https://escomp.github.io/cesm/release-cesm2/downloading_cesm.html CESM2 Quick Start Guide] and [https://github.com/ESCOMP/cesm#committing-your-change-to-externals-cfg CESM2 github instructions].
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| == Clone the repository ==
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| <pre>
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| git clone https://github.com/escomp/cesm.git my_cesm_sandbox
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| </pre>
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| This will create a directory my_cesm_sandbox/ in your current working directory.
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| == Checkout the CESM tag ==
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| * Go into the newly created CESM repository
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| <pre>
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| cd my_cesm_sandbox
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| </pre>
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| * Determine what version of CESM you want. To see what versions of CESM2 are available,
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| <pre>
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| git tag --list 'release-cesm2*'
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| </pre>
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| * Checkout a specific CESM release tag type, for example CESM2.1.0:
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| <pre>
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| git checkout release-cesm2.1.0
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| </pre>
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| '''NOTE:''' the latest release might not be available yet for public use and this might cause issues in the next step. See the note in the next step for more information.
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| | |
| == Run checkout_externals == | |
| | |
| * To checkout all the individual model components, run the script '''manage_externals/checkout_externals'''.
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| '''Note to HYDRA users:''' This script requires Python 2.7.x (installed in HYDRA ''/share/anaconda2/bin/'') to run, so we need to change the Python interpreter in the header of '''checkout_externals'''. To do so:
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| <pre>
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| sed -i -e 's!/usr/bin/env python!/share/anaconda2/bin/python!' ./manage_externals/checkout_externals
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| </pre>
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| * Now run the script:
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| <pre>
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| ./manage_externals/checkout_externals
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| </pre>
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| '''NOTE:''' If you experience problems such as '''checkout_externals''' hanging it is likely that is because you asked the checkout of the latest version which is not yet available for public usage (as suggested in this [https://bb.cgd.ucar.edu/password-download CESM forum discussion]):
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| <pre>
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| [gabriela.raggio@hydra my_cesm_sandbox]$ ./manage_externals/checkout_externals
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| Processing externals description file : Externals.cfg
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| Processing externals description file : Externals_CLM.cfg
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| Checking status of externals: clm, fates, ptclm, mosart, ww3, cime,
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| cice, pop, cism, rtm, cam,
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| Checking out externals: clm, mosart, ww3, Password for 'gabriela.raggio':
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| Command 'svn checkout --quiet
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| https://svn-ccsm-models.cgd.ucar.edu/ww3/trunk_tags/ww3_190402
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| /home/gabriela.raggio/my_cesm_sandbox/components/ww3'
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| from directory /home/gabriela.raggio/my_cesm_sandbox
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| has taken 300 seconds. It may be hanging.
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| The command will continue to run, but you may want to abort
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| manage_externals with ^C and investigate. A possible cause of hangs is
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| when svn or git require authentication to access a private
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| repository. On some systems, svn and git requests for authentication
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| information will not be displayed to the user. In this case, the program
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| will appear to hang. Ensure you can run svn and git manually and access
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| all repositories without entering your authentication information.
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| </pre>
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| In my case, I was trying to checkout release-cesm2.1.1. I solved this by starting over. I deleted the previous git clone and made a new git clone. In the new git clone I made a checkout of a previous release (release-cesm2.1.0). After doing so, I had no issues running the '''checkout_externals''' as explained here.
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| * To confirm a successful download of all components:
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| <pre>
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| ./manage_externals/checkout_externals -S
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| </pre>
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| This should show a clean status for all externals, with no characters in the first two columns of output, as in this example
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| <pre>
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| [gabriela.raggio@hydra CESM210]$ ./manage_externals/checkout_externals -S
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| Processing externals description file : Externals.cfg
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| Processing externals description file : Externals_CLM.cfg
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| Processing externals description file : Externals_POP.cfg
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| Processing externals description file : Externals_CISM.cfg
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| Checking status of externals: clm, fates, ptclm, mosart, ww3, cime, cice, pop, cvmix, marbl, cism, source_cism, rtm, cam,
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| ./cime
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| ./components/cam
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| ./components/cice
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| ./components/cism
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| ./components/cism/source_cism
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| ./components/clm
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| ./components/clm/src/fates
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| ./components/clm/tools/PTCLM
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| ./components/mosart
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| ./components/pop
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| ./components/pop/externals/CVMix
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| ./components/pop/externals/MARBL
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| ./components/rtm
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| ./components/ww3
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| </pre>
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| If this is the case, at this point you have a working version of CESM.
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