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| Subject: |
[franklin-users] Reminder: Users MUST recompile after OS upgrade on Franklin |
| Author: |
Helen He <yhe_at_lbl.gov> |
| Date: |
2008-12-09 12:43:32 |
| Dear Franklin users,
This is a reminder that all user applications must be recompiled after
the Franklin OS upgrade on Dec 3-4. It is suspected that some of the
compute node failures on Franklin recently are caused by users running
with executables compiled under OS 2.0. Your cooperation is highly
appreciated.
Best Regards,
Helen He
NERSC User Services
On 12/2/2008 11:26 AM, Helen He wrote:
> Dear Franklin users,
>
> Franklin system OS will upgrade from 2.0 to 2.1 at tomorrow's
> scheduled maintenance from 7:30 am - 1:30 pm PDT. Users MUST
> recompile your codes after the upgrade.
>
> For jobs still in the queue after upgrade, please do the following:
> 1) hold your job
> % qhold job_id
>
> 2) recompile
>
> 3) release your job
> % qrls job_id
>
> The released job will take the new executable. If your job uses the
> NERSC pre-compiled binaries (such as vasp, nwchem, etc.), please only
> do the first step above (% qhold job_id), and send a note with job id
> and binary name to consult@nersc.gov, we will let you know when you
> could release your job.
>
> The major enhancements from OS 2.0 to OS 2.1 are:
> -- SUSE Linux Upgrade: OS includes upgrade to SLES10 Service Pack 1.
> -- EAL3 Evaluation: Conform to EAL3+ (Evaluation Assurance Level).
> -- Security Auditing: SLES10 security auditing utilities are available.
> -- Lustre File System Upgrade: Lustre is upgraded from 1.4 to 1.6
> release.
> -- NUMA Kernel: Kernel includes updates to include Non-Uniform Memory
> Access.
> -- Comprehensive System Accounting: CSA open source software is
> supported.
> -- Huge Pages. OS now supports 2 MB huge pages as well as the default
> 4KB small pages.
> -- System Resiliency Enhancements: System admin tools include new
> feature to recover from system or node failures.
>
> The detailed information could be found in "OS System Software 2.1
> Release Overview" available at:
> https://www.nersc.gov/vendor_docs/cray/S-2425-21-OS2.1-Release-Overview.pdf
>
>
> "The Programming Environment User's Guide" for OS 2.1 is available at:
> https://www.nersc.gov/vendor_docs/cray/S-2396-21-Programming-Environment-Users.pdf
>
>
>
> Best Regards,
>
> Helen He
> NERSC User Services
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