Hi Yvan,
Thanks again for CC-IN2P3 excellent support on this cluster (which is
currently the biggest Qserv cluster in the world by an order of
magnitude :-))
On my side, I think CentOS 7.x would be an excellent choice because it
is supported by Docker install procedure.
Jacek, do you agree if CC-IN2P3 stop cluster, around February, for one
ot two weeks in order to upgrade to CentOS 7 before our 200TB tests?
If yes, CC-IN2P3 enginner could start upgrading ccqserv124 to CentOS 7
next week, in order to train for total cluster upgrade.
Thanks in advance for your answer.
Fabrice
On 01/14/2016 10:22 PM, Yvan Calas wrote:
>> On 14 Jan 2016, at 11:17, Fabrice Jammes <[log in to unmask]> wrote:
>>
>>>> So could you please try to upgrade kernel on ccqserv{125...149}, and then John could try to launch again its code and see if it still produce kernel panic.
>>> Just to be sure... Kernel upgrade on ccqserv{100..124} or on ccqserv{125..149}?
>>>
>>>
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>> Please upgrade kernel on:
>>
>> ccqserv{125..149}
> This afternoon, we tried to upgrade the kernel on ccqserv149 first (kernel EPEL -> kernel-ml: "mainline stable" branch of The Linux Kernel Archives):
>
> $ uname -r
> 4.4.0-1.el7.elrepo.x86_64
>
> Unfortunately it didn't work as expected because of some openafs issue (ELRepo no longer maintains openafs-related packages). We (mainly Ahmed, one of our sysadmins) will try to investigate further. However, if it still doesn't work, we may decide to reinstall this node with CentOS 7.
>
> More news asap,
>
> Yvan
>
>
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