[Bug 200517] WD Elements USB fails after few GB write

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Fri May 29 15:10:56 UTC 2015


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200517

--- Comment #3 from Hans Petter Selasky <hselasky at FreeBSD.org> ---
Hi,

In 11-current, there is a tool in:

/usr/src/tools/tools/usbtest

Which can test the disk at USB-level?

Could you run that tool, and set it to R/W mode.

Beware: The disk will be erased.

Also try to read the broken sector:

dd if=/dev/daX iseek=78608776 bs=8192 count=1 of=/dev/null


Windows is typically not very good hammering the disk :-( You need special
software for this, like "usbtest".

--HPS

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