Hi Matt,
Discussing it at Tuesday meeting sounds like it's the way to go - though
I'm glad I'm not the first to be doing this and others have gone before :)
THanks!
Mark
On 09/03/2018 11:36, Matt Doidge wrote:
> Hi Mark,
> I'm afraid I don't have any answers, but I presume something like what
> you're looking for has been done for UCL (an all VAC site), so we can
> try to see what's been done for them.
>
> Otherwise this is something definitely worth discussing at a Tuesday
> meeting. As John says you're not the only ones looking at going down
> this route.
>
> Cheers!
> Matt
>
> On 09/03/18 11:28, Mark Slater wrote:
>> Thanks a lot for the info Steve - That'll certainly help when
>> actually decommisioning the CE! However, I'm still unsure about how
>> to switch the availability/reliability tests to Dirac/VAC. I'm
>> assuming this is possible but I don't know who runs them, whether the
>> switch is possible, if it's still based on Nagios tests, etc. Does
>> anyone have any info about that?
>>
>> Thanks!
>>
>> Mark
>>
>> On 07/03/2018 12:38, sjones wrote:
>>> Hi,
>>>
>>> I've done this a few times. From memory, it's something like this,
>>> but there is an official procedure, please see below. Here are the
>>> things that I remember doing ...
>>>
>>> Raise a GGUS ticket to cover the work. Tell all your big VOs that is
>>> being turned off. Declare an outage for the CE, lasting for (say) a
>>> month. At the start of the outage, block new jobs from coming in,
>>> using some glite ce disable commands, the exact name of which eludes
>>> me now! Wait for all the work do finish, then give it one last
>>> accounting run. Make sure it all goes across. Then turn it off. If
>>> it's a VM, gzip it. Take it out of GOCDB after a few days, cancel
>>> the outage and move on to better things.
>>>
>>> I may have forgotten some steps, or got things wrong. The official
>>> guidance, which obviously takes precedence over my tips, is here:
>>>
>>> https://wiki.egi.eu/wiki/PROC12
>>>
>>> Ste
>>>
>>>
>>>
>>>
>>>
>>> On 2018-03-07 11:51, John Hill wrote:
>>>> Dear All,
>>>> I'm in the same situation at Cambridge. The only WNs left on my
>>>> CREAM CE are ones I intend to decommission, and the CE itself is
>>>> obsolete. Hence I add my voice to Mark's, asking for advice on how to
>>>> proceed.
>>>>
>>>> Regards,
>>>> John
>>>>
>>>> On 07/03/2018 08:57, Mark Slater wrote:
>>>>> Dear All,
>>>>>
>>>>>
>>>>> I've now almost entirely switched to using VAC for our workers at
>>>>> Bham and in fact the only thing that I really keep the CREAM CE
>>>>> around for is stuff like nagios and SAM tests. Does anyone know
>>>>> what the procedure would be to switch these to using VAC through
>>>>> Dirac? It's seems a bit of a waste to keep a server and a couple
>>>>> of workers up just for this :)
>>>>>
>>>>>
>>>>> Any advice greatly appreciated!
>>>>>
>>>>>
>>>>> Thanks,
>>>>>
>>>>>
>>>>> Mark
>>>>>
>>>>>
>>>>> P.S. Btw, I'm also aware there are queues set up in Atlas and LHCb
>>>>> but I'm guessing those are far easier to remove!
>>>
>
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