11-04-2015
Is it possible that the whole drive was LVM'd (as a PV)? Partition tables can be a bit "old school" today.
Try pvs or pvscan see if that helps (just a guess, an idea).
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LEARN ABOUT DEBIAN
pvscan
PVSCAN(8) System Manager's Manual PVSCAN(8)
NAME
pvscan - scan all disks for physical volumes
SYNOPSIS
pvscan [-d|--debug] [-h|--help] [-v|--verbose] [--version] [--ignorelockingfailure] [-e|--exported] [-n|--novolumegroup] [-s|--short]
[-u|--uuid]
pvscan [-d|--debug] [-h|--help] --cache [--major major --minor minor | DevicePath ] ...
DESCRIPTION
pvscan scans all supported LVM block devices in the system for physical volumes.
OPTIONS
See lvm(8) for common options.
-e, --exported
Only show physical volumes belonging to exported volume groups.
-n, --novolumegroup
Only show physical volumes not belonging to any volume group.
-s, --short
Short listing format.
-u, --uuid
Show UUIDs (Uniform Unique Identifiers) in addition to device special names.
--cache [ --major major --minor minor | DevicePath ] ...
Scan one or more devices and instruct the lvmetad daemon to update its cached state accordingly. Called internally by udev rules.
All devices listed explicitly are processed regardless of any device filters set in lvm.conf.
SEE ALSO
lvm(8), pvcreate(8), pvdisplay(8)
Sistina Software UK LVM TOOLS 2.02.95(2) (2012-03-06) PVSCAN(8)