I am using TrueNAS 24.10. Added a new disk to one of the pools today. It initially had a 4TB Seagate IronWolf disk, now added a Exos disk.
NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT
mediasonic-media-pool 3.62T 2.05T 1.57T - - 0% 56% 1.00x ONLINE /mnt
mirror-0 3.62T 2.05T 1.57T - - 0% 56.6% - ONLINE
f9350321-ac49-4590-821a-0564e11e8bf8 3.64T - - - - - - - ONLINE
60ae6998-051b-44ee-bb8d-f3c28255851d 3.64T - - - - - - - ONLINE
disk 1:
sudo gdisk -l /dev/sdc
GPT fdisk (gdisk) version 1.0.9
Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present
Found valid GPT with protective MBR; using GPT.
Disk /dev/sdc: 7814037167 sectors, 3.6 TiB
Model: Expansion Desk
Sector size (logical/physical): 512/4096 bytes
Disk identifier (GUID): 016F31C0-5A54-45D5-BE5E-720D3DEFCA28
Partition table holds up to 128 entries
Main partition table begins at sector 2 and ends at sector 33
First usable sector is 34, last usable sector is 7814037133
Partitions will be aligned on 2048-sector boundaries
Total free space is 3692 sectors (1.8 MiB)
Number Start (sector) End (sector) Size Code Name
1 2048 7814035455 3.6 TiB BF01 data
disk 2:
sudo gdisk -l /dev/sde
GPT fdisk (gdisk) version 1.0.9
Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present
Found valid GPT with protective MBR; using GPT.
Disk /dev/sde: 7814037168 sectors, 3.6 TiB
Model: ST4000NM000A-2HZ
Sector size (logical/physical): 512/512 bytes
Disk identifier (GUID): 4279AE0A-08AD-475C-B2E1-AFCABA42299E
Partition table holds up to 128 entries
Main partition table begins at sector 2 and ends at sector 33
First usable sector is 34, last usable sector is 7814037134
Partitions will be aligned on 2048-sector boundaries
Total free space is 3693 sectors (1.8 MiB)
Number Start (sector) End (sector) Size Code Name
1 2048 7814035455 3.6 TiB BF01 data
As you can see everything about the disks are same except for model and sector size (512 vs 4096)
Is this what causes the UI to show this warning?