[Brahms-dev-l] Fw: Re-arranging HPSS hardware

From: Flemming Videbaek <videbaek@bnl.gov>
Date: Mon Jun 26 2006 - 12:49:53 EDT
Hi
Unless someone has good reasons for not hving this go forward, HPSS will be down Thursday for about 4  hours
see attached message.

Flemming

--------------------------------------------
Flemming Videbaek
Physics Department 
Bldg 510-D
Brookhaven National Laboratory
Upton, NY11973

phone: 631-344-4106
cell:       631-681-1596
fax:        631-344-1334
e-mail: videbaek @ bnl.gov
----- Original Message ----- 
From: "Shigeki Misawa" <misawa@bnl.gov>
To: <liaisons@rcf.rhic.bnl.gov>
Sent: Monday, June 26, 2006 12:45 PM
Subject: Re: Re-arranging HPSS hardware


> Unless there are objections, we will schedule the HPSS hardware changes for
> Thursday morning starting at about 8:30 AM.
> 
> Since we need to coordinate with ITD, objections to this time need to be 
> voiced before
> the end of today.
> 
> Thanks.
> 
> Shigeki
> 
> 
> Shigeki Misawa wrote:
> 
>> At the end of the RHIC run, we need to modify the hardware 
>> configuration of HPSS.
>> These changes will prepare us for the migration to HPSS 6.2 and the 
>> retirement of
>> several old AIX based HPSS movers. From the user perspective, the 
>> changes will
>> result in increased system bandwidth and will free up a few server 
>> that will be
>> returned back to the Linux Farm.
>>
>> The procedure will take a few hours (estimate is 4hours) and involves 
>> moving fibre
>> channel and gigabit ethernet cables. During this period, access to 
>> different classes
>> of service will be affected for varying amounts of time. Star and 
>> Phenix will be affected for
>> a relatively short time since the changes will be relatively minor. 
>> Brahms, Phobos, and
>> the Archive COSes will be offline for a longer period.
>>
>> If at all possible, I would like schedule this for Wednesday or 
>> Thursday of next week
>> (June 28 or 29).
>>
>> If this is a problem, are there alternate dates ?
>>
>>
>> Shigeki
>>
>>
>>
>
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Received on Mon Jun 26 12:55:02 2006

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