Date: Tue, 29 Oct 96 10:41:04 +0100 From: garyj@frt.dec.com To: Tony Kimball <alk@Think.COM> Cc: questions@freebsd.org Subject: Re: bad sectors Message-ID: <9610290941.AA17796@cssmuc.frt.dec.com> In-Reply-To: Message from Tony Kimball <alk@Think.COM> of Mon, 28 Oct 96 17:17:01 CST.
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alk@Think.COM writes: > > I want to map out bad sectors on a disk. > I tried 'bad144 sd1' and here is an excerpt: > > sn=509571, cn=11316, tn=59, sn=56 > sn=1100276, cn=24436, tn=111, sn=101 > sn=1145378, cn=25446, tn=50, sn=58 > bad144: /dev/rsd1c: bad flag in bad-sector table > bad144: /dev/rsd1c: bad magic number > bad144: cyl/trk/sect out of range in existing entry: sn=682930, cn=15163, tn= -119, sn=0 > bad144: cyl/trk/sect out of range in existing entry: sn=1272565, cn=28265, tn -=105, sn=115 > > Does this mean that the bad sector information on this disk is corrupt > and not useful? Or does it mean that bad144 only applies to wd > devices? Or does it mean something else altogether? bad144 is not for SCSI disks, it's for [E]IDE disks. SCSI disks are supposed to re-map bad sectors automatically. Every SCSI disk has a region (which is not accessible to the user) with spare sectors. Do not use bad144 on SCSI disks. --- Gary Jennejohn (work) gjennejohn@frt.dec.com (home) Gary.Jennejohn@munich.netsurf.de (play) gj@freebsd.org
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