Hi,
How can I be removed from this mailing list?
Thank you
> Date: Wed, 4 Nov 2009 13:51:33 -0500
> From: h...@unity.ncsu.edu
> To: vcl-dev@incubator.apache.org
> Subject: Re: Fwd: Image Loading Times
>
> Cliff writes:
> > I'm running image loading tests and I am noticing that it
> > takes about 10 minutes to load an 8 gig VCL image from the
> > storage appliance.
>
> My experience is from 8 to 18 minutes to load a (bare metal) image
> depending on the size of the image. (This is one reason to make images
> somewhat single purpose and to strip out what's not needed.) VMware
> guest images load considerably faster.
>
> > We are using a 1G backbone on the system, and some of the
> > people backing our test program are wondering if we can speed
> > this up a bit since they are uncomfortable with the 10 minute
> > load times.
>
> My understanding is that there are a number of factors at play, the
> backbone, the I/O of the disks and the computers, ...
>
> We treat this as a "cultural" issue, and try to get users to
> understand that they either should make an advanced reservation (very
> few do :-) or do something else in the 10 or so minutes.
>
> Since people are already on a computer, most of them can easily spend
> the time on their e-mail, web surfing, whatever. (A not-uncommon result
> is that they forget about their reservation and it times out before they
> check it. :-)
>
> The one time this wait for loading is really not acceptable is for a
> scheduled class - and that's the reason for the Block Reservation which
> allows the multiple reservations for the class to be loaded in advance
> so they are availble for login at the specified time. Then there is no
> load needed, and it takes only about a minute for the login process.
>
> > Are these speeds OK? What are you all experiencing?
> >
> > Do we need to drop a few G's on a 10G backbone?
>
> Somebody else should discuss what good this might do, and perhaps also
> discuss the types of disks that can be used and speeds.
> --
> --henry schaffer
_________________________________________________________________
Find the right PC with Windows 7 and Windows Live.
http://www.microsoft.com/Windows/pc-scout/laptop-set-criteria.aspx?cbid=wl&filt=200,2400,10,19,1,3,1,7,50,650,2,12,0,1000&cat=1,2,3,4,5,6&brands=5,6,7,8,9,10,11,12,13,14,15,16&addf=4,5,9&ocid=PID24727::T:WLMTAGL:ON:WL:en-US:WWL_WIN_evergreen2:112009
