Possiedo un Seagate Backup Plus 4TB, USB 3.0 dell'anno 2013. Ora Time Machine genera errori casuali, quindi desidero controllare lo stato del disco.
> brew install smartmontools
> smartctl -a disk8
smartctl 6.5 2016-05-07 r4318 [Darwin 16.6.0 x86_64] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org
Smartctl open device: disk8 failed: Operation not supported by device
> ls /dev/disk8*
/dev/disk8
(...)
> df -h
Filesystem Size Used Avail Capacity iused ifree %iused Mounted on
/dev/disk8 3.6Ti 687Gi 3.0Ti 19% 1045555 4293921724 0% /Volumes/time
Il mio disco non è realmente supportato o lo faccio male?
Ho trovato smartctl su hdd esterno all'interno di un enclosure ide-to-usb con:
SMART over USB is generally either not possible, or is done with (bridge) vendor-specific commands, so there's no one way to get things done. smartctl knows about a few specific bridge chips. Check the manpage for a list.
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Official documentation disagrees with you - sourceforge.net/apps/trac/smartmontools/wiki/USB
questo link ora è morto.