RE: [OT] Disk imaging (again)

["Paul Gordon" <paul@xxxxxxxxxxxxxxxxxxxxx>]

Hi Peter,

I use one of these:

http://www.maplin.co.uk/Module.aspx?ModuleNo=35057&TabID=1&source=15&Wor
ldID=&doy=22m10

or alternatively:

http://tinyurl.com/6faqp

to make images to a bunch of external 120GB disks, and IIRC the last
time I did one I was getting a 10GB partition, with 6GB of data on it,
into a 2GB image file, and it was taking about 10-15 minutes to do it...

Paul G.


> -----Original Message-----
> From: White, Peter [mailto:peter.white@xxxxxxx]
> Sent: 22 October 2004 17:05
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] [OT] Disk imaging (again)
>
>
> I'm being told that we're getting a xfer rate of 1Gb per minute via
the
> USB2/IDE connection, however, as there's 40GB going across rather than
the
> 4-8GB, it's taking 40 mins rather than 5-10. The size of the image is
not
> as
> important, but the time it takes to do the xfer is, as time is money,
and
> we're doing about 7,500 of these things....
>
> I'll get our guys to look into PQI - thanks.
>
> Pete
>
>    _____
>
> From: Paul Gordon [mailto:paul@xxxxxxx]
> Sent: 22 October 2004 16:59
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] [OT] Disk imaging (again)
>
>
> Hi Peter,
>
> Can't really speak for Ghost, since I tend to almost exclusively use
> Powerquest Imagecenter (sic). (PQI)
>
> However, your description of the way Ghost works surprises me
somewhat..
> I should have thought that it would be as intelligent as you describe,
-
> I'm pretty certain PQI is...
>
> I Use PQI all the time to image 10GB system partitions, which
typically
> have about 6GB used on them, and with PQI's compression turned up to
> max, I usually get image sizes around the 1.5GB-2GB size.
>
> Obviously it has the potential to look at the whole disk, since as you
> say, the data could be scattered all over it, but it sounds like you
are
> saying the software meticulously reads the whole capacity of the
> partition, whether data is there or not....
>
> PQI only copies *Used* areas of the partition, which is to say that if
I
> have 6GB of data on a 10GB partition or 6GB of data on a 200GB
> partition, both the final image size, and the time taken to create the
> image is the same.. - In each case PQI reads & writes just the 6GB
that
> is used....
> Are you saying that in your case, the 6GB of data on the 200GB
partition
> would either take longer or produce a larger image?
>
> Paul G.
>
>
>
> > -----Original Message-----
> > From: White, Peter [mailto:peter.white@xxxxxxx]
> > Sent: 22 October 2004 16:34
> > To: ukha_d@xxxxxxx
> > Subject: [ukha_d] [OT] Disk imaging (again)
> >
> >
> > Chaps
> >
> > You may remember I asked about this a while ago, and I've got
just 1
> more
> > question....the problems we're seeing with Norton Ghost (and
similar)
> is
> > that to do the disk image, it has to go through all 40Gb or 80Gb
of
> the
> > source disk, then copy the image over to the destination disk. 
The
> > problem
> > is that the source disks only have 4-8GB of data on them, so
ideally
> I'd
> > like something a bit more logical in doing the copy.  I know data
can
> be
> > scattered all over the disk, but we will get the users to do a
defrag
> > first,
> > so it shouldn't be too bad.  Does anyone have any suggestions in
terms
> of
> > a
> > good disk imaging app? We're using USB2-IDE to actually connect
the
> > drives.
> >
> > Thanks, and sorry about the OT post.
> >
> >
> > Pete
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
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