Date: Thu, 24 Feb 2005 17:49:37 +0100 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: falaki@ce.sharif.edu Cc: freebsd-fs@freebsd.org Subject: Re: badsect Message-ID: <8879.1109263777@critter.freebsd.dk> In-Reply-To: Your message of "Thu, 24 Feb 2005 20:22:32 %2B0330." <53844.194.225.42.20.1109263952.squirrel@ce.sharif.edu>
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In message <53844.194.225.42.20.1109263952.squirrel@ce.sharif.edu>, falaki@ce.s harif.edu writes: >Hello; > >I have a hard disk that seems to have some limitted number of bad sectors. >I want to use badsect to avoid these errors. > > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=27546816 > ad0: FAILURE - READ_DMA timed out > >I tried this: > > #badsect /mnt/data 27546816 > >and got: > > block 27546816 out of range of file system > don't forget to run fsck ... > >What should I do? You should let your disk deal with it. Try booting single user and: dd if=/dev/ad0 of=/dev/null bs=1m and see how much damage there actually is. If there is much damage, you may want to use src/tools/tools/recoverdisk instead -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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