matthieu castet wrote:
Hi,
Tejun Heo wrote:
David Greaves wrote:
Error Counter logging not supported
Device does not support Self Test logging
The USB bridge should support SAT (SCSI-ATA translation) and many
don't. Nothing much can be done about it. The hardware just don't know
how to do it.
That true that the hardware should support SAT, but even if it support
it, linux need some patches to support SAT over USB. See
http://thread.gmane.org/gmane.linux.scsi/43688 and the patch mentioned
in the thread.
...
Ahh.. Great! This mostly fixes smartctl operation on at least two
of my USB drive enclosures here:
1. a recent rev. 2.5" NexStar-3 SATA enclosure.
2. a 250GB 2.5" WD "Passport" external USB drive/enclosure.
With the patch, this command line works for me:
smartctl -a -dsat -T permissive /dev/sdb
And hdparm just works regardless, with or without the patch.
Unfortunately I am a bit busy to try to resubmit it. But I won't care if
somebody improve it/resubmit it ;)
Matthieu
PS : there also http://thread.gmane.org/gmane.linux.usb.general/7145
that is pending.
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