si ce n'est pas compliqué et contraignant pk pas,L'autre disque (le HDD) avait été repartitionné avec un petit volume intitulé BOOT d'environ 9 Go.
- on peut remettre à zéro ce disque si tu veux. Tu peux t'en servir de stockage > mais j'ai une suspicion à son égard (à cause de l'échec de reconstruction d'un Fusion Drive).
disutil listLast login: Wed Jan 22 20:36:35 on console
slicimmos-iMac:~ sylejmani$ diskutil
Disk Utility Tool
Utility to manage local disks and volumes
Most options require root access to the device
Usage:  diskutil [quiet] <verb> <options>, where <verb> is as follows:
     list                  (List the partitions of a disk)
     info[rmation]         (Get information on a specific disk or partition)
     listFilesystems       (List file systems available for formatting)
     activity              (Continuous log of system-wide disk arbitration)
     u[n]mount             (Unmount a single volume)
     unmountDisk           (Unmount an entire disk (all volumes))
     eject                 (Eject a disk)
     mount                 (Mount a single volume)
     mountDisk             (Mount an entire disk (all mountable volumes))
     enableJournal         (Enable HFS+ journaling on a mounted HFS+ volume)
     disableJournal        (Disable HFS+ journaling on a mounted HFS+ volume)
     moveJournal           (Move the HFS+ journal onto another volume)
     enableOwnership       (Treat as exact User/Group IDs for a mounted volume)
     disableOwnership      (Ignore on-disk User/Group IDs for a mounted volume)
     rename[Volume]        (Rename a volume)
     verifyVolume          (Verify the file system data structures of a volume)
     repairVolume          (Repair the file system data structures of a volume)
     verifyDisk            (Verify the components of a partition map of a disk)
     repairDisk            (Repair the components of a partition map of a disk)
     verifyPermissions     (Verify the permissions of a Mac OS X volume)
     repairPermissions     (Repair the permissions of a Mac OS X volume)
     eraseDisk             (Erase an existing disk, removing all volumes)
     eraseVolume           (Erase an existing volume)
     reformat              (Erase an existing volume with same name and type)
     eraseOptical          (Erase optical media (CD/RW, DVD/RW, etc.))
     zeroDisk              (Erase a disk, writing zeros to the media)
     randomDisk            (Erase a disk, writing random data to the media)
     secureErase           (Securely erase a disk or freespace on a volume)
     partitionDisk         ((re)Partition a disk, removing all volumes)
     resizeVolume          (Resize a volume, increasing or decreasing its size)
     splitPartition        (Split an existing partition into two or more)
     mergePartitions       (Combine two or more existing partitions into one)
     appleRAID <verb>      (Perform additional verbs related to AppleRAID)
     coreStorage <verb>    (Perform additional verbs related to CoreStorage)
diskutil <verb> with no options will provide help on that verb
slicimmos-iMac:~ sylejmani$slicimmos-iMac:~ sylejmani$ diskutil list
/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *128.0 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Untitled                127.2 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
/dev/disk1
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:                  Apple_HFS HDD                     990.0 GB   disk1s2
   3:                  Apple_HFS BOOT                    9.7 GB     disk1s3
slicimmos-iMac:~ sylejmani$diskutil eraseDisk jhfs+ HDD gpt disk1diskutil rename disk0s2 SSDLast login: Wed Jan 22 20:58:49 on console
slicimmos-iMac:~ sylejmani$ diskutil eraseDisk jhfs+ HDD gpt disk1
Started erase on disk1
Unmounting disk
Creating the partition map
Waiting for the disks to reappear
Formatting disk1s2 as Mac OS Extended (Journaled) with name HDD
Initialized /dev/rdisk1s2 as a 931 GB case-insensitive HFS Plus volume with a 81920k journal
Mounting disk
Finished erase on disk1
slicimmos-iMac:~ sylejmani$diskutil list
rm /Volumes/Lion/var/db/.AppleSetupDonerm /Volumes/Lion/var/db/.AppleSetupDone 
	