Date: Sun, 15 Nov 2009 20:24:06 -0500 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: "Ronald F. Guilmette" <rfg@tristatelogic.com> Cc: freebsd-questions@freebsd.org Subject: Re: Bad Blocks... Should I RMA? Message-ID: <44my2n45zd.fsf@be-well.ilk.org> In-Reply-To: <42307.1258330015@tristatelogic.com> (Ronald F. Guilmette's message of "Sun, 15 Nov 2009 16:06:55 -0800") References: <42307.1258330015@tristatelogic.com>
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"Ronald F. Guilmette" <rfg@tristatelogic.com> writes: > Nov 15 15:24:17 coredump kernel: ad4: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> LBA=256230591 This is *not* necessarily a big deal, despite what your other response told you. Errors on reads do not mean that your drive's bad-sector table is full; only errors on write indicate that. If you can try manufacturer's drive diagnostics, do that. If you can't, then it's harder to fix things up, but not impossible; write back if you really can't use a low-level diag. -- Lowell Gilbert, embedded/networking software engineer, Boston area http://be-well.ilk.org/~lowell/
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