Disk /dev/sda: 11.7 TiB, 12802299617280 bytes, 25004491440 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 262144 bytes / 2097152 bytes
Disklabel type: gpt
Disk identifier: D20ADF9B-3885-48EC-9754-8B16AA1244A9

Device        Start         End     Sectors  Size Type
/dev/sda1      4096    78123007    78118912 37.3G Linux filesystem
/dev/sda2  78123008    93749247    15626240  7.5G Linux swap
/dev/sda3  93749248 25004490751 24910741504 11.6T Linux LVM


Disk /dev/mapper/tank-data: 11.6 TiB, 12754295455744 bytes, 24910733312 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 262144 bytes / 2097152 bytes