This is what it says:
Disk /dev/sda: 55.38 GiB, 59458453504 bytes, 116129792 sectors
Disk model: PERC H710
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: C22AD1E2-DC5D-422F-A4DB-47B87096C60A
Device Start End Sectors Size Type
/dev/sda1 34 2047 2014 1007K BIOS boot
/dev/sda2 2048 1050623 1048576 512M EFI System
/dev/sda3 1050624 116129758 115079135 54.9G Linux LVM
Disk /dev/sdb: 931 GiB, 999653638144 bytes, 1952448512 sectors
Disk model: PERC H710
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 4D8979E6-1AED-47DF-AE93-3D4F80FD8A64
Device Start End Sectors Size Type
/dev/sdb1 2048 1952448478 1952446431 931G Linux filesystem
Disk /dev/sdc: 2.73 TiB, 3000034656256 bytes, 5859442688 sectors
Disk model: PERC H710
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: A5EFC6ED-E566-4684-909E-ED296045B263
Device Start End Sectors Size Type
/dev/sdc1 2048 5859442654 5859440607 2.7T Linux filesystem
Disk /dev/mapper/pve-swap: 6.75 GiB, 7247757312 bytes, 14155776 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 /dev/mapper/pve-root: 24.03 GiB, 25799163904 bytes, 50388992 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