How to detect hard disk failure ?

Andy Farkas andyf at
Thu May 15 16:34:11 PDT 2003

On 15 May 2003, Lowell Gilbert wrote:

> >    Is there a way to detect hard disk failures using either a shell script
> > or C program ? So that I can take appropriate action in case of a hard
> > disk failure.
> You can keep watch the logs for errors accessing the disks...

You can do a "dd if=/dev/ad0 of=/dev/null bs=64k" to read the entire disk
surface - if there are bad blocks, read errors will show up on the


 :{ andyf at

        Andy Farkas
    System Administrator
   Speednet Communications

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