Date: Mon, 27 Oct 2014 19:45:14 -0700 From: "Russell L. Carter" <rcarter@pinyon.org> To: freebsd-fs@freebsd.org Subject: Re: ZFS errors on the array but not the disk. Message-ID: <544F033A.8070808@pinyon.org> In-Reply-To: <CACpH0McVeuUGoC45rsK-cwrG0TFd_s=Cj66G7_TX=8a8jNBWQQ@mail.gmail.com> References: <CACpH0MeAvs6rzWUo3uF8uTygPk6qnZE8W=3-zsiTAKdvm4N01w@mail.gmail.com> <CAOtMX2g5GYZqYgWNmD_K_TSdTc8oxvvpe4463ni=sEX_b7_Erw@mail.gmail.com> <CACpH0MfL1J8fbP%2BMkdop8C=iTJmvscDv16mVynSqXC0uspdLfw@mail.gmail.com> <544B12B8.8060302@freebsd.org> <CACpH0Md8f1dAqUvgAMnKN%2BiZbWmL2ANXuwj7xDqkiGcHaiS9jg@mail.gmail.com> <CACpH0MdQDi85pvks%2BE1A2OYRKYXi6CMiXcsL4U1Ud5r_Zw4d8g@mail.gmail.com> <CA%2B-fWwBgh-mzKFRVhtddZVZz9j8T2fh-M-gpgR%2B4XmchbW8W1A@mail.gmail.com> <CACpH0McVeuUGoC45rsK-cwrG0TFd_s=Cj66G7_TX=8a8jNBWQQ@mail.gmail.com>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 10/27/14 18:47, Zaphod Beeblebrox wrote: > Well... why wouldn't this trigger an error with (say) the checksums > on the devices themselves? Without throwing an error, why is the > vdev re - resilvering? I don't have spare hardware to throw at it. > It's otherwise a sane system. It can "make -j32 buildworld" > without choking. It can download several hundred torrents at a > time without corrupting them. Hardly seems like suspect hardware. I will just say as a non-zfs expert that I have had several disastrous raid failures over the last 15 yrs, and a couple that cost me real money, and it was always hw. And the reason it was disastrous was I couldn't diagnose it even though I was a pseudo-expert. I spent a lot of time under deadlines assuming the underlying hw was sane. The software diagnostics were no help. I trusted the hw then, but no more. And your reports (thank you) are a reminder to me to not give too much credence to zpool status. BR, Russell -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBAgAGBQJUTwM6AAoJEFnLrGVSDFaEkwwP/A6CsMOF0uT/TA6NAOQBeFIW Byh9ySfYbBg9gUCB7YZFLBqmhGDzV2HCNu58cniYfVwj2Hwrr+GGahUJfagQjT1w ssNoflihTIBCWcmanXLoD9W0QMpGuyfi556FDzRX4NunAwP+URidqcJuR3tsdCcz jPYIQLZL6qQO5EfdX+UR9kcBS1st/6oLQ+Y2IPUXlfvg+hUQ660dS+SIfHFc+qcg lg2fLh3Vz8bJp2BlYJR6/AaxmOGrqA7Ze9hG684vaVSAz8U5EUn4tC76OPAPc1N2 MATat7T8lot0SRI1EqLBp6vsWpYTZK7itPDjyABO6f21iltbtgvPN22Hcr8+wEdQ AdEK4WLBsTF+xtD9DER1rVsDGIIYbBhw5vfh/7d9/RLrtf0B8rOs6OQNXV+ubjoc I8W852jbZT1HojLEOqIdC7bzkjEgln7a0miG/VFQPjYiZG9b5juozeOPOStENrrp ehIvvlxkeJBfJm505oLhXhOgXITC1fABTHeMfCXcbr3zw4OaN/8nHN4L4u2+HI35 2ahiWqwN/i6tF4V74zZDi9djkwuU8e+/qNrndeLotaTmXudY1Ox3wNBYEyYFCmHJ DIBSUPKqcH3zOICfiO0mmVmPuU4a95HkslRtNy1mPTvNO4+Cpv7iLx28CdZHXWfg BYb9ymp0bL3HAgHZwamd =SOhS -----END PGP SIGNATURE-----
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