Date: Sun, 4 Oct 2009 13:06:15 +0200 From: Patrick Proniewski <patpro@patpro.net> To: Michael Fuckner <michael@fuckner.net> Cc: freebsd-fs@freebsd.org Subject: Re: Offline uncorrectable sectors on hard drive Message-ID: <5AFF10D8-2B03-4DE8-83E8-20B6A832BBA8@patpro.net> In-Reply-To: <4AC861BF.20109@fuckner.net> References: <C09E0617-F326-4AB1-BFF5-6814CD084940@patpro.net> <4AC861BF.20109@fuckner.net>
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--Apple-Mail-6--678214530 Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Hi Michael, On 4 oct. 09, at 10:50, Michael Fuckner wrote: >> - is that "Offline uncorrectable sectors" in fact correctable? I've >> found howto's for extfs and reiserfs to correct this kind of error >> by remapping bad sectors, but nothing for UFS. >> - this error appears to have disappeared, does it mean the >> harddrive (or the fs) made the remapping by it self? > sector errors are on the hardware, they don't deal with the > filesystem. > > Perhaps it was a once in a lifetime event, perhaps the drive is > going to die really soon. > > Please do a smartctl -t long and see if the drive has to be replaced. here is the result (from `smartctl -l selftest /dev/ad6` after the `smartctl -t long /dev/ad6` ): Warning! SMART Attribute Thresholds Structure error: invalid SMART checksum. === START OF READ SMART DATA SECTION === SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Extended offline Completed without error 00% 34350 - # 2 Short offline Completed without error 00% 34339 - # 3 Extended offline Completed: read failure 20% 34317 201626851 # 4 Short offline Completed without error 00% 34315 - # 5 Short offline Completed without error 00% 34291 - # 6 Short offline Completed without error 00% 34267 - # 7 Short offline Completed without error 00% 34243 - # 8 Short offline Completed without error 00% 34220 - # 9 Short offline Completed without error 00% 34196 - #10 Short offline Completed without error 00% 34172 - #11 Extended offline Completed without error 00% 34150 - #12 Short offline Completed without error 00% 34148 - #13 Short offline Completed without error 00% 34124 - #14 Short offline Completed without error 00% 34100 - #15 Short offline Completed without error 00% 34076 - #16 Short offline Completed without error 00% 34053 - #17 Short offline Completed without error 00% 34029 - #18 Short offline Completed without error 00% 34005 - #19 Extended offline Completed without error 00% 33983 - #20 Short offline Completed without error 00% 33981 - #21 Short offline Completed without error 00% 33957 - It looks like the error is gone, but may be I'm wrong. regards, patpro --Apple-Mail-6--678214530--
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