-bash-3.2# diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *320.1 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:          Apple_CoreStorage Macintosh HD            319.2 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
/dev/disk1 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        +2.1 GB     disk1
   1:                  Apple_HFS OS X Base System        2.0 GB     disk1s1
/dev/disk2 (internal, virtual):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            Untitled               +318.8 GB   disk2
                                 Logical Volume on disk0s2
                                 3B9C9DFA-8EEA-4ED0-9E6A-45600122FBE7
                                 Unencrypted
/dev/disk3 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk3
   1:                        EFI EFI                     209.7 MB   disk3s1
   2:       Microsoft Basic Data Backup Plus             1000.0 GB  disk3s2
/dev/disk4 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +5.2 MB     disk4
/dev/disk5 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk5
/dev/disk6 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk6
/dev/disk7 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk7
/dev/disk8 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk8
/dev/disk9 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk9
/dev/disk10 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +6.3 MB     disk10
/dev/disk11 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +2.1 MB     disk11
/dev/disk12 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +1.0 MB     disk12
/dev/disk13 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +2.1 MB     disk13
/dev/disk14 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk14
/dev/disk15 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk15
/dev/disk16 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +1.0 MB     disk16
/dev/disk17 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +6.3 MB     disk17
/dev/disk18 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk18
-bash-3.2#-bash-3.2# df -H
Filesystem     Size   Used  Avail Capacity iused      ifree %iused  Mounted on
/dev/disk1s1   2.0G   1.3G   711M    65%   48375 4294918904    0%   /
devfs          203k   203k     0B   100%     686          0  100%   /dev
/dev/disk4     5.2M   406k   4.8M     8%      19 4294967260    0%   /private/var/log
/dev/disk5     524k   147k   377k    29%       6 4294967273    0%   /Volumes
/dev/disk6     524k   143k   381k    28%       5 4294967274    0%   /private/var/tmp
/dev/disk7     524k   160k   365k    31%      10 4294967269    0%   /private/var/run
/dev/disk8     524k   147k   377k    29%       3 4294967276    0%   /System/Installation
/dev/disk9     524k   303k   221k    58%      21 4294967258    0%   /private/var/db
/dev/disk10    6.3M   3.3M   3.0M    53%      57 4294967222    0%   /private/var/folders
/dev/disk11    2.1M   2.1M     0B   100%     175 4294967104    0%   /private/var/root/Library
/dev/disk13    2.1M   143k   2.0M     7%       2 4294967277    0%   /private/var/root/Library/Containers
/dev/disk14    524k   176k   348k    34%      10 4294967269    0%   /Library/Preferences
/dev/disk15    524k   164k   360k    32%       6 4294967273    0%   /Library/Preferences/SystemConfiguration
/dev/disk16    1.0M   143k   905k    14%       2 4294967277    0%   /Library/Keychains
/dev/disk17    6.3M   176k   6.1M     3%       2 4294967277    0%   /private/var/tmp/RecoveryTemp
/dev/disk18    524k   143k   381k    28%       2 4294967277    0%   /private/var/tmp/InstallerCookies
/dev/disk2     319G   541M   318G     1%       8 4294967271    0%   /Volumes/Untitled
/dev/disk0s3   650M   568M    76M    89%      59 4294967220    0%   /Volumes/Image Volume
/dev/disk3s2   1.0T    27M   1000     1%     207    7628889    0%   /Volumes/Backup Plus
-bash-3.2#diskutil eraseVolume jhfs+ MAC disk3s2-bash-3.2# diskutil eraseVolume jhfs+ MAC disk3s2
Started erase on disk3s2 Backup Plus
Unmounting disk
Erasing
Initialized /dev/rdisk3s2 as a 931 GB case-insensitive HFS Plus volume with a 81920k journal
Mounting disk
Finished erase on disk3s2 MAC
-bash-3.2#datedate 1020153019Relance l'installation de Sierra => à destination du volume MAC.
date 0101173016 
	