Date: Sun, 21 Oct 2007 18:44:53 +0800 From: "Adrian Chadd" <adrian@freebsd.org> To: "Peter Schuller" <peter.schuller@infidyne.com> Cc: freebsd-stable@freebsd.org Subject: Re: FYI: Promise TX4 silent corruption (RELENG_7) Message-ID: <d763ac660710210344p24fce69bkb8e0759191358d34@mail.gmail.com> In-Reply-To: <20071021071935.GA64397@hyperion.scode.org> References: <20071021071935.GA64397@hyperion.scode.org>
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On 21/10/2007, Peter Schuller <peter.schuller@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@freebsd.org
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