marking bad blocks on a hard disk drive
H B
dn300 at hotmail.com
Sat Sep 20 04:40:45 PDT 2003
Hello,
I saw some info about marking bad sectors on a hard disk at the address
"http://lists.freebsd.org/pipermail/freebsd-questions/2003-July/013737.html"
I believe that it is from your organization?
I'm having a bit of a problem with my hard disk, very much similar to the
situation described by Mr. Andy Farkas. I was just wondering, may I ask for
a little advice about something?
Mr. Farkas mentioned that after running various formatters and scanners, he
identified where the bad
sectors were on the disk; what formatters or scanners can be used to do
that?
Because I've used ScanDisk and Norton's Disk Doctor to scan my drive (20GB,
2 equal partitions: C & D). During scanning, C drive is fine, but D drive,
everytime when I scanned, about halfway through, my PC would simply hang.
The same thing happens for both software: ScanDisk and Disk Doctor.
I would be real appreciative to receive advice on possible solutions.
Regards,
Jen
The text below is the info I found on the Web:
******************************************************************
Andy Farkas andyf at speednet.com.au
Thu Jul 24 16:31:13 PDT 2003
Like others have said, your disk is dying and is untrustworthy for holding
critical data.
But no one has answered your question yet, so I will :)
I also have a 8gig drive with bad blocks on it. I only use it on a scratch
box for testing -current. I don't trust it at all, and will toss it in the
bin as soon as it plays up again.
After running various formatters and scanners, I identifyied where the bad
sectors were on the disk, around the 6gig mark on mine. The bad section
was about 20-30MB long.
Knowing this, I can now setup partitions around the bad bit. I created a
5.5 gig partition 1, a 1 gig partition 2 (the bad bits), and 1.5 gig
partition 3.
Hope that helps.
******************************************************************
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