Segue o resultado do Fdisk
WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0xcbc501ac
Device Boot Start End Blocks Id System
/dev/sda1 1 976773167 488386583+ ee GPT
Partition 1 does not start on physical sector boundary.
WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sdb: 24.0 GB, 24015495168 bytes
255 heads, 63 sectors/track, 2919 cylinders, total 46905264 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xf56daa41
Device Boot Start End Blocks Id System
/dev/sdb1 1 46905263 23452631+ ee GPT
WARNING: GPT (GUID Partition Table) detected on '/dev/sdc'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sdc: 16.0 GB, 16008609792 bytes
255 heads, 63 sectors/track, 1946 cylinders, total 31266816 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x71bafca0
Device Boot Start End Blocks Id System
/dev/sdc1 * 0 1607679 803840 0 Empty
/dev/sdc2 1595952 1600495 2272 ef EFI (FAT-12/16/32)
WARNING: GPT (GUID Partition Table) detected on '/dev/sdc1'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sdc1: 823 MB, 823132160 bytes
255 heads, 63 sectors/track, 100 cylinders, total 1607680 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x71bafca0
Device Boot Start End Blocks Id System
/dev/sdc1p1 * 0 1607679 803840 0 Empty
/dev/sdc1p2 1595952 1600495 2272 ef EFI (FAT-12/16/32)