RHL Severn - Initial Findings
Barry K. Nathan
barryn at pobox.com
Tue Jul 29 17:20:07 UTC 2003
On Tue, Jul 29, 2003 at 05:26:33PM +0100, Matthew Winter wrote:
> did not show any messages. It said the disks were fine, so I went ahead
> with the install. However when the installer got to disk 2, it would not
> read one of the packages, which meant I had to exit at this point,
> reburn the CD and try again. Luckily it worked OK the second attempt.
>
> Question : Why did the CD Check say there was nothing wrong with disk 2,
> when clearly there was.
If the CD's marginal, the drive might be able to read the whole thing
through sequentially but later fail to read a file when seeking to it.
I've seen this happen with Knoppix CDs burned onto marginal media (e.g.,
I burn the CD, use readcd or dd to read the whole CD back, notice that
there are no errors, reboot into the CD, and start seeing occasional
I/O errors), so this isn't specific to Red Hat's media check at all.
IME the fix is to use better CDs.
-Barry K. Nathan <barryn at pobox.com>
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