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machines borrowing from JMU

Hi Peter and Dave,

For reference, these are the machines Dr. G is lending us.  They fall 
into the category of nice midrange desktops.  He is taking an image of 
the hard drives, so we will be able to install whatever we need.

Thanks,
David
--- Begin Message --- 
Hi



DELL

Optiplex  GX280

IntelŪ PentiumŪ 4 CPU 3.2 GHz

1Gb RAM

Two 75Gb  Hard drives



Regards

kevin



----- Original Message ----- 
From: "David Webber" <dwebber@npl.uiuc.edu>
To: "Kevin Giovanetti" <giovankl@jmu.edu>
Cc: "David W. Hertzog" <hertzog@uiuc.edu>; "Kevin Lynch" <krlynch@bu.edu>; 
"Vladimir Tishchenko" <tishenko@fobos.jinr.ru>
Sent: Tuesday, February 21, 2006 11:07 AM
Subject: Re: tapes


> Hi Kevin G,
>
> How many tapes?  That's the $10000 question. I've cced Volodya and Kevin 
> on this message so they can double check my estimate.
> Volodya's elog (http://ten.npl.uiuc.edu:8080/Electronics/38) estimates we 
> will collect 10^12 events in 30 days running 16 hours per day at a beam 
> rate of 7.3 MHz.  We'll be running for more like 8 weeks*6 days/week=48 
> days, giving us about 1.6*10^12 events.  Assuming the data flow is WFD 
> dominated, each positron decay gives us 2 detectors * 24 bytes (16 ADC 
> samples, 4 bytes of zero, 2 bytes of time, 2 bytes of fill).  Multiply 
> this together and you get 7.68e13 bytes.  Compression saves us, reducing 
> this number by 70% (for 30% compression), giving us 5.38e13 bytes.  I 
> convert to number of 400 GB tapes by dividing by 1024 three times, then 
> dividing by 400 GB.  The grand total is 125 tapes.
> We have 33 tapes left over from Fall2005, so we need to buy 92.  At the 
> price below, this will be about $8200.  Perhaps we can buy $5000 worth 
> now, and buy the rest based on how the data is actually flowing.
>
> The tapes are LTO3 (Linear Tape Open 3), and they are made by many 
> vendors.  If you type this in to an online shopping website, you will see 
> many hits.  The cheapest price I've seen so far is ~$89 per tape in bulk, 
> at
> http://www.digitallyunique.com/viewproduct.htm?category_id=418867&productId=3742202&srccode=cii_14110944&cpncode=12-5708454-2
>
> BTW, do you (Dr G) know the specs/model number of the two Dell machines 
> we're borrowing?
>
> Best,
> David
>
> David W. Hertzog wrote:
>
>> Kevin,
>>    This sounds great.  I hope David can get you a quote today or tomorrow 
>> on this.
>>    Thanks,
>>    Dave
>>
>> Kevin Giovanetti wrote:
>>
>>> Hi
>>>
>>> I have been informed that most orders need to be in this week.  The 
>>> various research groups and teaching needs are being adressed with 
>>> purchases and in order to ensure that we spend the money we are expected 
>>> to go over budget and then proceed down the list at the end purhcasing 
>>> those things that we can easily obtain.  I think I should just go ahead 
>>> and put in an order for the tapes.  It might be possible to request the 
>>> full amount.  It depends on the status of all the orders an evaluation 
>>> will probably be made at the end of February. At some point we can have 
>>> a discussion about what JMUs fair share would be and if indeed we should 
>>> recover some of the expenses for the tapes in terms of some equipment or 
>>> perhaps some travel expense coverage. At this point I am not 
>>> particularly worried about those details.
>>>
>>> What I need is a specification for the tapes, number needed and a 
>>> recommended vendor.  If I can secure more than $5000 then the purchase 
>>> has to be put out for bid.  In that case the specifications for the tape 
>>> determine what bids are excepted so any reservations about which tapes 
>>> have the required quality need to be adressed in writing up the specs. 
>>> It seems that the state is somtimes willing to accept a manufacturer and 
>>> simply get quotes from distributors.
>>>
>>> Cheers
>>> Kevin
>>>
>>> ----- Original Message ----- From: "David Webber" <dwebber@npl.uiuc.edu>
>>> To: "Kevin Giovanetti" <giovankl@jmu.edu>
>>> Sent: Monday, February 06, 2006 11:27 AM
>>> Subject: Re: buy computers or line conditioner?
>>>
>>>
>>>> Hi Kevin,
>>>>
>>>> I did some looking around, and I found one company that supports US and 
>>>> Swiss power, but in general it's either-or. 
>>>> http://www.solaheviduty.com/products/powerconditioning/mcr_hard.htm. 
>>>> If it would be possible to borrow one or two computers to bring to PSI 
>>>> over the summer, we can definitely find a use for them.
>>>>
>>>> -David
>>>>
>>>> Kevin Giovanetti wrote:
>>>>
>>>>> Hi
>>>>> The one item I would like to avoid is computers. We were supplied with 
>>>>> a bunch of computers in one large purchase by JMU.  If this surfaces 
>>>>> as
>>>>> a key item then I will put it on the list. I could probably borrow a 
>>>>> computer or two for use this summer if it would be useful without 
>>>>> buying one.
>>>>>
>>>>> The line conditioner is a great idea.  Does Peter have a make model 
>>>>> and vendor ?
>>>>>
>>>>> Cheers
>>>>> Kevin
>>>>> ----- Original Message ----- From: "David Webber" 
>>>>> <dwebber@npl.uiuc.edu>
>>>>> To: "Kevin Giovanetti" <giovankl@jmu.edu>
>>>>> Cc: <hertzog@npl.uiuc.edu>
>>>>> Sent: Thursday, February 02, 2006 3:26 PM
>>>>> Subject: buy computers or line conditioner?
>>>>>
>>>>>
>>>>>> Hi Kevin,
>>>>>>
>>>>>> One idea for a purchase might be a nice interractive machine or two 
>>>>>> for the counting room to control the experiment.  Such a machine 
>>>>>> could be purchased as a closed unit from Dell, and JMU could keep it 
>>>>>> when the experiment is over for your lab or office.  I remember you 
>>>>>> said something about special considerations for computer purchases.
>>>>>>
>>>>>> Another idea Peter Winter just reminded me of is a line conditioner 
>>>>>> for power, but we'd have to get one that's works on both sides of the 
>>>>>> pond.
>>>>>>
>>>>>> Anyway, those are my suggestions at the moment.
>>>>>>
>>>>>> Thanks,
>>>>>> David
>>>>>>
>>>>
>>>>
>
>
>
--- End Message ---