SUN ULTRA 10: bad blocks on harddisk

Hi, unfortunately we have bad blocks (hard errors) on our harddisk (IDE). Is there any way to copy or clone the disk like dd? thanks regards heinz

[295 byte] By [onkelheinz] at [2007-11-25 22:38:33]

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# 1

If you do, you could end up copying the bad data. Have you tried repairing the disks with format utility?

mlennon at 2007-7-5 14:09:09 >

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# 2

Yes we tried format, but with no result. Maybe the problem is that the disk is IDE The bad block occurs in one of our directories. So if dd works I can delete this dir. Heinz

onkelheinz at 2007-7-5 14:09:09 >

# 3

Hello Heinz,

that's right, format doesn't support IDE drives, only SCSI.

I would suggest that you use ufsdump or tar to transfer the slices, either to tape or another drive.

For a private the system, you can retry to reformat (low-level)the drive when attached to a PC. Use the the manufacturers disk-test program (eg. Seagate SeaTools). If you can locate c't 11/2005 (note to foreign readers: This is a very popular german PC magazine) their rescue CD contains these programs.

Low-level formatting or checking the drive for bad spots won't repair the drive. If the number of un-readable blocks or retries increases, this is an indication that the drive is likely to fail very soon.

I replaced a failed system drive (10 GB IBM DTTA-351010) with a Samsung 80GB for about 55 Euro.

Don't use it on your companies system, otherwise I will cancel my Postbank account <img src="images/smiley_icons/icon_wink.gif" border=0 alt="Wink"> !

Michael

maal at 2007-7-5 14:09:09 >

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