Checking for bad blocks (non-destructive read-write test)                                  │
Testing with random pattern: set_o_direct: Inappropriate ioctl for device                  │
done                                                                                       │
root@freenas:~ # badblocks -ns /dev/da3                                                    │
Checking for bad blocks (non-destructive read-write test)                                  │
Testing with random pattern: set_o_direct: Inappropriate ioctl for device                  │
^[[5~done                                                                                  │
root@freenas:~ #

///////////////////////////Another drive below from the same set/////////////////////////////////
Warning: settings changed through the CLI are not written to
the configuration database and will be reset on reboot.                                    │
                                                                                           │Warning: settings changed through the CLI are not written to
root@freenas:~ # badblocks -ns /dev/da2                                                    │the configuration database and will be reset on reboot.
Checking for bad blocks (non-destructive read-write test)                                  │
Testing with random pattern: set_o_direct: Inappropriate ioctl for device                  │root@freenas:~ # badblocks -ns /dev/da8
^[[A 64.11% done, 39:55:28 elapsed. (0/0/0 errors)