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use a Mac to dupe a Linux drive?
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Senior User
Join Date: Mar 2000
Location: London
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Hi All,
I've got an Epson P2000 backup device (for compact flash cards coming from cameras, description here: Epson P-2000, Overview) and I want to replace its drive with a bigger one.
The 40GB drive is far too small for my needs now, and I'd like to replace it with something a lot larger. The issue is the operating system (which I am assuming is a flavour of Linux): the unit came with no way to re-install. So, I need a way to perfectly duplicate the existing contents on the drive to another drive, using a Mac (I've read threads where people have done this with a PC, but I don't have access to one).
On a slightly related note: when I use the unit to "delete" photos, it does a poor job. After relatively light use over a couple of years, the unit says that 21GB of the 40GB drive is used, but also shows the drive as empty (when I mount it on my Mac using its USB connection, I can see all of the old directories which _look_ empty, but can't be??). I fear that, if I use the Finder to delete those directories, the Linux OS will not be able to deal with the invisible extras that the Mac OS leaves behind.
Can anyone give me some guidance?
Cheers!
Chas
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Moderator  Join Date: May 2001
Location: Hilbert space
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Just use Disk Utility to clone the partition or to take the contents and write it to a disk image. 
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I don't suffer from insanity, I enjoy every minute of it.
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Senior User
Join Date: Mar 2000
Location: London
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Fast reply, as always!
So, just mount the disk via usb, and write a disk image? Ok, got that, then I need a way to mount the new, larger, disk, and then write the disk image to that (I had thought of this, but I was worried that the Mac OS would write "Mac-stuff" to the disk, and screw up the poor Linux system).
Many thanks!
Chas
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Moderator Join Date: May 2001
Location: Hilbert space
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I don't think that there is a problem when the target disk is larger, at least I never have when cloning back OS X partitions to a new, larger harddrive. However, there may be problems regarding the partitioning scheme: it needs to be compatible to that particular device.
If simply cloning back does not work, I would download a CD-based Linux (e. g. Knoppix) and create partitions from the command line. Cloning back should work from the image files via dd, I suppose.
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I don't suffer from insanity, I enjoy every minute of it.
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Senior User
Join Date: Mar 2000
Location: London
Status:
Offline
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All good info, thanks. I have to admit I'm leaving my comfort zone when considering working with Linux! My own Unix experience was 15 years ago or so, barring the occasional foray into the Terminal on my Macs :-)
Thanks again for the help,
Chas
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