[sleuthkit-users] TSK, GPT, and HFSJ

[Terry O. <twj...@ho...>]

I have a Cellebrite physical extraction of an iPod 4Gen.  I want to use TSK to gather all unallocated space (blkls), but can't figure out how to reference the partition within a GPT.  MMLS returns the dummy MBR partition table, which is of no help.  Using X-Ways to get the real partition offset, I entered that as -o, but that didn't work.  It returned Cannot determine file system type as an error.  Adding -f hfs, I get Invalid magic value (not an HFS+ file system (magic)).
Researching online, I am seeing hints that TSK supports GPT disks, but no examples that I can put to use.
I am using SIFT Workstation with TSK version 3.2.3 against a 8gb iPod 4g cellebrite physical extraction (.img file).
Any help would be appreciated.
Terry