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Detailed information for cluster migration:

1) Reduce the amount of

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researchers’ temporary, test user data on Sol to the bare minimum during the break.

• After the break, ChemIT will be deleting the content within everyone's test home directories on Sol. (Those directories were originally copied there as a testing convenience during our test phase.)
  • We do this deletion before the final copy to ensure a clean import of researchers' researchers’ current production home directories from Helios.
  • Lulu advised researchers of this step before the Thanksgiving break, so hopefully no surprises.
• During the winter break, Sol's data will be backed up.
  • As with Helios, Sol's data will be copied and versioned to a dedicated, internal hard drive.
  • NEW: EZ-Backup will be enabled on Sol, providing off-site backup protection.

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• Confirm that Sol is "good". That is, there is no need to "roll back" to using Helios's head node and for us to start again.
• Hoffmann group members are encouraged to install their shared group software in the /home/hoffmann/bin/ directory. Including:
  • Materials Studio software. (Who? If Prasad is not available to do this, let's let’s discuss your options- thank you.)
  • vasp
  • gulp
  • etc.

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• Data will be moved from Helios to Sol.
• And Helios's nodes will be added to Sol.

Thank you -ChemIT

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Older or other notes:

Data rates

12/11/13: Users data to transfer from Helios to Sol is about 80GB. The transfer time, using rsync, is expected to take about 24 hours.

Next steps

• Meet to review all options and confirm desired direction and expected timing.
• Review resources. Huayun Gen has cluster management experience, including set-up.

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