APPLE SSD SM0512F configuration - 499gig virtual disk?

Wondering if this is a normal configuration for a APPLE SSD SM0512F found in the late 2013 Macbook pro retinas

Just wondering why “disk1” is virtual. It’s capacity is 499gigs, it’s the last item in the terminal output.

Thank you!

cheers

JB

Here’s the terminal’s output of “diskutil info –all”

jack:~ jackbaker$ diskutil info -all

Device Identifier: disk0

Device Node: /dev/disk0

Whole: Yes

Part of Whole: disk0

Device / Media Name: APPLE SSD SM0512F

Volume Name: Not applicable (no file system)

Mounted: Not applicable (no file system)

File System: None

Content (IOContent): GUID_partition_scheme

OS Can Be Installed: No

Media Type: Generic

Protocol: PCI

SMART Status: Verified

Total Size: 500.3 GB (500277790720 Bytes) (exactly 977105060 512-Byte-Units)

Volume Free Space: Not applicable (no file system)

Device Block Size: 512 Bytes

Read-Only Media: No

Read-Only Volume: Not applicable (no file system)

Device Location: Internal

Removable Media: No

Solid State: Yes

Virtual: No

OS 9 Drivers: No

Low Level Format: Not supported

**********

Device Identifier: disk0s1

Device Node: /dev/disk0s1

Whole: No

Part of Whole: disk0

Device / Media Name: EFI System Partition

Volume Name: Not applicable (no file system)

Mounted: Not applicable (no file system)

File System: None

Partition Type: EFI

OS Can Be Installed: No

Media Type: Generic

Protocol: PCI

SMART Status: Verified

Volume UUID:

Disk / Partition UUID:

Total Size: 209.7 MB (209715200 Bytes) (exactly 409600 512-Byte-Units)

Volume Free Space: Not applicable (no file system)

Device Block Size: 512 Bytes

Read-Only Media: No

Read-Only Volume: Not applicable (no file system)

Device Location: Internal

Removable Media: No

Solid State: Yes

**********

Device Identifier: disk0s2

Device Node: /dev/disk0s2

Whole: No

Part of Whole: disk0

Device / Media Name: MacintoshHD

Volume Name: Not applicable (no file system)

Mounted: Not applicable (no file system)

File System: None

Partition Type: Apple_CoreStorage

OS Can Be Installed: No

Recovery Disk: disk0s3

Media Type: Generic

Protocol: PCI

SMART Status: Verified

Disk / Partition UUID:

Total Size: 499.4 GB (499418030080 Bytes) (exactly 975425840 512-Byte-Units)

Volume Free Space: Not applicable (no file system)

Device Block Size: 512 Bytes

Read-Only Media: No

Read-Only Volume: Not applicable (no file system)

Device Location: Internal

Removable Media: No

Solid State: Yes

This disk is a Core Storage Physical Volume (PV). Core Storage Information:

PV UUID:

LVG UUID:

**********

Device Identifier: disk0s3

Device Node: /dev/disk0s3

Whole: No

Part of Whole: disk0

Device / Media Name: Recovery HD

Volume Name: Not applicable (no file system)

Mounted: Not applicable (no file system)

File System: None

Partition Type: Apple_Boot

OS Can Be Installed: No

Media Type: Generic

Protocol: PCI

SMART Status: Verified

Volume UUID:

Disk / Partition UUID:

Total Size: 650.0 MB (650006528 Bytes) (exactly 1269544 512-Byte-Units)

Volume Free Space: Not applicable (no file system)

Device Block Size: 512 Bytes

Read-Only Media: No

Read-Only Volume: Not applicable (no file system)

Device Location: Internal

Removable Media: No

Solid State: Yes

**********

Device Identifier: disk1

Device Node: /dev/disk1

Whole: Yes

Part of Whole: disk1

Device / Media Name: APPLE SSD SM0512F

Volume Name: MacintoshHD

Mounted: Yes

Mount Point: /

File System Personality: Journaled HFS+

Type (Bundle): hfs

Name (User Visible): Mac OS Extended (Journaled)

Journal: Journal size 40960 KB at offset 0xe8f000

Owners: Enabled

Content (IOContent): Apple_HFS

OS Can Be Installed: Yes

Recovery Disk: disk0s3

Media Type: Generic

Protocol: PCI

SMART Status: Not Supported

Volume UUID:

Disk / Partition UUID:

Total Size: 499.0 GB (499046809600 Bytes) (exactly 974700800 512-Byte-Units)

Volume Free Space: 26.5 GB (26546237440 Bytes) (exactly 51848120 512-Byte-Units)

Device Block Size: 512 Bytes

Allocation Block Size: 4096 Bytes

Read-Only Media: No

Read-Only Volume: No

Device Location: Internal

Removable Media: No

Solid State: Yes

Virtual: Yes

OS 9 Drivers: No

Low Level Format: Not supported

This disk is a Core Storage Logical Volume (LV). Core Storage Information:

LV UUID:

LVF UUID:

LVG UUID:

Fusion Drive: No

Encrypted: No

**********

jack:~ jackbaker$

Here’s the storage tab in system report.

MacintoshHD:

Available: 26.83 GB (26,825,244,672 bytes)

Capacity: 499.05 GB (499,046,809,600 bytes)

Mount Point: /

File System: Journaled HFS+

BSD Name: disk1

Logical Volume:

Revertible: Yes (no decryption required)

Encrypted: No

Logical Volume Group:

Name: MacintoshHD

Size: 499.42 GB (499,418,030,080 bytes)

Free Space: 18.9 MB (18,898,944 bytes)

Physical Volumes:

disk0s2:

Device Name: APPLE SSD SM0512F

Media Name: APPLE SSD SM0512F Media

Size: 499.42 GB (499,418,030,080 bytes)

Medium Type: SSD

Protocol: PCI

Internal: Yes

Partition Map Type: GPT (GUID Partition Table)

Status: Online

S.M.A.R.T. Status: Verified