Re: bad blocks found but SMART reports zero reallocated sectors
- From: Robert Nichols <SEE_SIGNATURE@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Sat, 28 Jan 2006 01:21:19 +0000 (UTC)
In article <1l5lt1tnncqiag0bueqfrnvcgauhv54b6a@xxxxxxx>,
IronFelix <annenk38@xxxxxxxxxxxxxxxxx> wrote:
:This is a bit puzzling: I have two 160G ATA drives is soft RAID0
:under Windows XP with 4k stipe. Both have SMART enabled, and both
:report 0 reallocated sectors. But chkdsk /r/x found and reported 4k in
:bad blocks. Do ATA drives reallocate bad sectors automatically, or do
:I need to scan both with manufacturer's (Samsung) utility? Thanks.
Does SMART report any "pending" sectors? Those are sectors that the
drive has found to be unreadable and will be reallocated the next time
they are written. Of course, since the OS has flagged that area of the
disk as "bad" it will never _be_ rewritten, and thus the drive will
never reallocate the bad sectors. Any utility that performs a surface
analysis by writing to every sector will trigger the reallocation,
and thereafter the OS will see a disk with no bad blocks.
--
Bob Nichols AT comcast.net I am "RNichols42"
.
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