Date: Fri, 1 Feb 2008 14:46:56 -0500 From: Bill Moran <wmoran@potentialtech.com> To: "Kurt Buff" <kurt.buff@gmail.com> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: This has begun to annoy me... Message-ID: <20080201144656.2c33af82.wmoran@potentialtech.com> In-Reply-To: <a9f4a3860802011140x5d50663bgfadcbaf351c95f6d@mail.gmail.com> References: <a9f4a3860802011140x5d50663bgfadcbaf351c95f6d@mail.gmail.com>
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In response to "Kurt Buff" <kurt.buff@gmail.com>: > I've been getting this in my daily security email from one of my boxes > for quite a while, and have been ignoring it, because of workload. > > However, it's finally annoyed me enough to pursue it. > > What would the significance of the following section be? > > zsquid.mycompany.com kernel log messages: > +++ /tmp/security.4blejPLW Fri Feb 1 03:02:08 2008 > +ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=4662143 > +ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=113995359 > +ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=112970015 > +ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=4668319 > +ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=4849151 > +ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=115527359 > +ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=113714335 > +ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=113715199 > +ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=4570911 > +ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=42958719 > +ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=113343327 > +ad6: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=117315327 > > It looks like disk write errors to me, but I'm not sure. > > Thoughts? Looks like a failing disk to me. Depending on the importance of the data on that drive, make sure you're getting backups and get a new drive on order. If it's always done this, it could also be faulty or non-standard hardware (such as the SATA controller). -- Bill Moran http://www.potentialtech.com
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