[Halld-online] gluon maintenance

[David Lawrence]

My plan is to update the kernel in all of the computers using 2.6.32-358.18.1.el6
so they will need to be rebooted. However, if you would rather this not happen for the
gluon25-gluon29 computers, I will skip them.

Regards,
-David

On Jun 6, 2016, at 8:14 AM, Hovanes Egiyan <hovanes.egiyan at gmail.com> wrote:

> Hi Dave,
> which computers will be taken offline for this?
> Hovanes
> 
> 
> On 6/6/2016 8:09 AM, David Lawrence wrote:
>> Hi All,
>> 
>>   I would like to do some maintenance on several of the gluon computers on Tuesday morning.
>> This includes:
>> 
>> 1. updating the kernels so that all of our RHEL6 computers are running the same version
>> (see current status here: https://halldweb.jlab.org/wiki/images/2/25/20160601_kernel_versions.pdf).
>> 
>> 2. Change default compiler for gluon40-gluon111 and gluonraid1-gluonraid2 to be gcc 4.9.2
>> (gluon01-gluon39 will remain at gcc 4.4.7)
>> 
>> 3. Upgrade default Python version to 2.7
>> 
>> 
>> These will require some computers to be offline temporarily or in a state of flux.
>> If you have any issues with this occurring tomorrow morning, please let me know.
>> 
>> Regards,
>> -David
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> 
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