FYI: Promise TX4 silent corruption (RELENG_7)

Adrian Chadd adrian at freebsd.org
Sun Oct 21 09:40:46 PDT 2007


On 21/10/2007, Peter Schuller <peter.schuller at infidyne.com> wrote:

> However, once I started dd:ing large files and reading them back in I
> started getting I/O errors from ZFS, because of checksum
> mismatches. Turns out all the drives connected to the TX4 in the
> raidz2 were generating checksum errors (the one that was not connected
> to the TX4 was fine). Write a 2-3 gig file of zeroes -> handful of
> checksum mismatches on subsequent scrub.

Is there some nice utility floating about to do this in userspace on
uninitialised/raw devices?

Thanks,



Adrian

-- 
Adrian Chadd - adrian at freebsd.org


More information about the freebsd-stable mailing list