Re: SATA TB

[Brendan Kiburg <kiburg@mu03.npl.uiuc.edu>]

Dear Peter, 
  The TB will be shipped by Penny tomorrow morning.  I've scheduled the
teleconference for the normal time and I'll send out the number later
tonight.


Brendan
On Mon, 18 Jul 2005, Peter Kammel wrote:

> Dear Brendan,
> 
> Your news from the data box sound great. Please ship it to Francoise
> as soon as you are ready. I am not worried about the 8h tranfer time 
> for the TB, but we'll look into the separate USB2 option later.
> 
> I just arrived at PSI this morning with the plan to mount the neutron
> structures together with Francoise during the next three days. We could
> have a telconf tomorrow. If you and Steve are interested, please organize
> and announce it.
> 
> With best regards
> 
> Peter  
> 
> On Fri, 15 Jul 2005, Brendan Kiburg wrote:
> 
> > Dear Peter,
> >   The SATA drives have arrived and I have assembled them in the case.  I
> > have set up a striped raid array (raid0) at david's suggestion, using
> > mdadm and an ext3 filesystem, so there is 1176 GB available for storage.
> > 
> > I connected to a USB 2.0 port in one of the mulan machines and performed a
> > speed test, with the following results:
> > 
> >   70 minutes 1 second
> >   159 GB
> >   or 2.27 GB/min
> > 
> > This translates to about 7h20m per 1000 GB.
> > 
> > 
> > I will copy a larger set of data tonight and then prepare the box for
> > shipment monday morning, unless there are any other suggetions/requests.
> >  
> > 
> > Best regards,
> > 
> > Brendan
> > 
> > p.s. When I opened the box, I observed a USB hub fanning
> > out to a SATA-USB card for each drive.  In practice, if we had 4 USB 2.0
> > ports on the machine we are using, perhaps we could enhance the speed by a
> > factor of 4?
> > 
> > 
>