Thread: ZFS Pool reporting wrong size

hello world;

in process of building home server old laptop , 3x500gb external usb hdd (raid z1)


having problem regarding reported size, understand it, should having in 1tb. zfs list reports 291gb '!??

have clue why happening? created pool following command:
sudo zpool create -f -o ashift=12 datasafe raidz /dev/sdd /dev/sde /dev/sdf

ashift=12 aligns blocks 4k (i unsure if required, in oder laptop speeds getting in order of 40kilobytes/s, , though being 4k hdd)

code:

root@dell-server:~# zfs list name       used  avail  refer  mountpoint datasafe   291g      0   291g  /datasafe

code:

root@dell-server:~# zpool list datasafe name       size  alloc   free    cap  dedup  health  altroot datasafe   444g   437g  6.94g    98%  1.00x  online  -

i plain don't it. 1tb should having??

1000xthnks

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