[vox-tech] Formatting a disk for Macintosh using Linux

Nick Schmalenberger nick at schmalenberger.us
Sat Jan 8 23:25:01 PST 2011


On Sat, Jan 08, 2011 at 10:56:25PM -0800, Alex Mandel wrote:
> On 01/08/2011 09:53 PM, Nick Schmalenberger wrote:
> > On Sat, Jan 08, 2011 at 09:42:52PM -0600, Chanoch (Ken) Bloom wrote:
> >> I've been asked to move data from an old external hard drive to a new
> >> one, and to make the new one compatible with the Macintosh. (The old
> >> drive's USB connection has died, and I'm connecting to old the drive using
> >> a PC card that provieds an eSATA to the drive. The recipient's 
> >> Macintosh doesn't have a PC card slot, so she can't access the old
> >> drive anymore. Hence, the new drive.)
> >>
> >> Naturally, I'm doing this data transfer using Linux. I've discovered
> >> that I can format the drive as HFS+ using mkfs.hfsplus from the
> >> hfsprogs package. But I need to know: do I need to do anything special
> >> with the partition table? Is there a special Macintosh partition table
> >> format that I need to format this disk to? If so, what tools can I use
> >> to get the right format for the partition table?
> >>
> > Macs do have a special partition table format. Try mac-fdisk or
> > parted to make the partitions. Parted supports lots of partition
> > table formats and mac-fdisk is just for the mac format.
> > Nick Schmalenberger
> > 
> 
> I believe ita a GPT http://en.wikipedia.org/wiki/GUID_Partition_Table
> Which you can easily do with the standard linux disc tools. In fact you
> have to use this type of table for drives over a certain amount of TB.
> The only thing that might catch you is that fdisk does not work on GPT
> you have to use gdisk instead.
> 
> Course with an external drive the question is should you use something
> like NTFS in order for the drive to be more universally compatible with
> any machine you plug into. As noted on the page I linked, not all
> version of Windows support GPT so don't use that if you care about
> windows compatibility. For some odd reason MAC doesn't have read/write
> NTFS on by default according to some pages:
> http://hints.macworld.com/article.php?story=20090913140023382
>
Macs with openfirmware and maybe before that, i'm not sure, used
a different kind of partition table also. I think once apple
started using EFI they started to use GPT also. So if the mac is
older than that then its the mac partition table.


More information about the vox-tech mailing list