media-boxen Desktop # sgdisk -p /dev/sdd
Unable to seek to 480012286! Aborting!
EBR signature for logical partition invalid; read 0xCBD7, but should be 0xAA55
Error reading logical partitions! List may be truncated!

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Found invalid GPT and valid MBR; converting MBR to GPT format
in memory.
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Warning! Secondary partition table overlaps the last partition by
418960600 blocks!
You will need to delete this partition or resize it in another utility.
Disk /dev/sdd: 61049645 sectors, 232.9 GiB
Logical sector size: 4096 bytes
Disk identifier (GUID): 378442C5-4872-498A-A108-3E52DAA329BD
Partition table holds up to 128 entries
First usable sector is 6, last usable sector is 61049639
Partitions will be aligned on 256-sector boundaries
Total free space is 2042 sectors (8.0 MiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048       480010239   1.8 TiB     8300  Linux filesystem
media-boxen Desktop #