[Halld-offline] Outage Alert: move of /work/halld and /work/halld2, Wed. Nov. 29, 9 am to 10 am

[Mark Ito]

Folks,

There appears to be an issue with mounting the new work disk on desktop 
Linux machines. This has been reported to SciComp.

The partition appears to be fine on ifarm.

   - Mark

On 11/29/2017 11:42 AM, Mark Ito wrote:
>
> The work disk is now available for use. In fact it was ready about an 
> hour ago (I misinterpreted the message I received at that time).
>
>
> On 11/29/2017 10:20 AM, Mark Ito wrote:
>>
>> The move is still in progress, though very close to done. Stay tuned 
>> for the all-clear...
>>
>>
>> On 11/28/2017 10:47 AM, Mark Ito wrote:
>>>
>>> Folks,
>>>
>>> We are scheduled to make the move of our work space from a 
>>> Lustre-based system to a ZFS file system. This will happen tomorrow 
>>> (Wednesday, November 29) starting at 9 am. The move should take 
>>> about an hour.
>>>
>>> N. B.: *during this time, you will not be able to write to the Hall 
>>> D work disks*. Reading may be intermittent as well.
>>>
>>> Some notes on the new configuration:
>>>
>>> Both /work/halld and /work/halld2 will be on the same partition. The 
>>> old /work/halld2 will actually appear as a new directory, 
>>> /work/halld/halld2. A merge of the two systems is not a practical 
>>> option. There will be a soft link, /work/halld2 pointing to the new 
>>> /work/halld/halld2 directory, so legacy scripts should work.
>>>
>>> Since there will be no distinction in the underlying hardware for 
>>> the old /work/halld and /work/halld2, there is no more need to 
>>> distinguish how they should be used. Small files and SQLite files 
>>> are OK anywhere on the new work disk.
>>>
>>> To reduce future confusion, you may want to move your files out of 
>>> /work/halld/halld2, but that is not required at present.
>>>
>>> Any scripts that use
>>>
>>>   /lustre/expphy/work/halld or /v/lustre2/expphy/work/halld
>>>
>>> instead of
>>>
>>>   /work/halld
>>>
>>> or that use
>>>
>>>   /w/halld-scifs1a
>>>
>>> instead of
>>>
>>>   /work/halld2
>>>
>>> will break. In other words, the server-specific directory names will 
>>> change (as they must).
>>>
>>> Let me know if there are any questions or objections to this schedule.
>>>
>>>   - Mark
>>>
>>> -- 
>>> Mark Ito,marki at jlab.org, (757)269-5295
>>>
>>>
>>> _______________________________________________
>>> Halld-offline mailing list
>>> Halld-offline at jlab.org
>>> https://mailman.jlab.org/mailman/listinfo/halld-offline
>>
>> -- 
>> Mark Ito,marki at jlab.org, (757)269-5295
>>
>>
>> _______________________________________________
>> Halld-offline mailing list
>> Halld-offline at jlab.org
>> https://mailman.jlab.org/mailman/listinfo/halld-offline
>
> -- 
> Mark Ito,marki at jlab.org, (757)269-5295
>
>
> _______________________________________________
> Halld-offline mailing list
> Halld-offline at jlab.org
> https://mailman.jlab.org/mailman/listinfo/halld-offline

-- 
Mark Ito, marki at jlab.org, (757)269-5295

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