Date: Fri, 3 Sep 2010 09:55:59 -0400 (Eastern Daylight Time) From: Xihong Yin <xyin@gmx.com> To: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> Cc: Mike Jeays <mike.jeays@rogers.com>, freebsd-questions@freebsd.org Subject: Re: error - ad2: FAILURE Message-ID: <alpine.WNT.2.00.1009030953010.5672@BUQ12-8384.ajf.abnn> In-Reply-To: <44tym89rul.fsf@be-well.ilk.org> References: <alpine.BSF.2.00.1009012219000.1837@ebhgre1.irem0a.pbz> <201009012243.57415.mike.jeays@rogers.com> <44tym89rul.fsf@be-well.ilk.org>
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Thanks for the info. Now I am getting more such error messages and the disk fails at boot when trying to mount on /usr. Xihong On Thu, 2 Sep 2010, Lowell Gilbert wrote: > Mike Jeays <mike.jeays@rogers.com> writes: > >> On September 1, 2010 10:29:42 pm Xihong Yin wrote: >>> Hi, >>> >>> I received the following error when I try to access files in some of the >>> directories in /usr and when the computer boots. ad2s1f is mounted on >>> /usr. >>> >>> ad2: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE> >>> LBA=37370159 g_vfs_done():ad2s1f[READ(offset=15415558144, >>> length=16384)]error = 5 >>> >>> Is this a sign of hard drive failure? Can I fix the error or do I have to >>> replace the hard drive? > >> I would think it is a hardware error, and the disk has run out of replacement >> sectors. If possible, it should be replaced, and any valuable data copied to >> somewhere safe, as soon as possible. > > Not necessarily. This is a read error, so replacement sectors wouldn't > help anyway. The problematic files might get fixed by the disk if they > were rewritten. A SMART report (e.g., from sysutils/smartmontools) > might give more information about the condition of the drive. > > None of which is to say that it isn't worrying, or that backing up > valuable data isn't called for (even more so than usual). Make sure you > have good backups before you do anything else. > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"
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