Disk error question
Marco S Hyman
marc at dumbcat.sf.ca.us
Wed Aug 29 14:01:42 AEST 1990
Thanks to Larry and all the others who offered help via email. I do not
know the cause of the problem but am suspicious of heat -- it's hot in this
room and adding the second drive didn't help matters there.
To solve the problem I booted from a DOS diskette, went into debug, and then
jumped to the format/scan section of the Adaptec BIOS (dc00:6 if I recall
correctly). Doing a scan/verify found recoverable errors that the BIOS
re-mapped to a different sector. I continued the scans until no errors were
found three scans in a row. This took about 10 scans on one disk and 20 on
the other. Most scans found 2-5 bad sectors.
The only hard part is finding what files were destroyed in the remapping so
I could restore them from backups. I'll probably be finding them for a few
more weeks.
Thanks again for everyone's help.
// marc
--
// marc at dumbcat.sf.ca.us
// {ames,decwrl,sun}!pacbell!dumbcat!marc
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