Reading crashed SCSI disk

[Michael Hughes]

On Wed, 08 Nov 2006 07:20:23 -0600
Derek Ragona <derek at computinginnovations.com> wrote:

> If the drive has a physical failure in the mechanism or media, you
> may need to send it off to ontrack and have them try to recover the
> data.
> 
>          -Derek
> 
> At 11:24 PM 11/7/2006, Olivier Nicole wrote:
> > > > I am wondering if there is a way to read the physical blocks
> > > > (those that are readable) and save the data, from that I could
> > > > be able to rebuild some of the mailboxes.
> > >
> > > dd if=/scsi_drive of=/some/file/name
> > >
> > > Should read anything readable, though without bs=xxx it may be
> > > quite slow.  You can usually then mount the file via mdconfig(8).
> > > If the partition table is intact you can specify that instead of
> > > the whole disk. This can make the fiddly bit with trying to
> > > figure out exactly what part will mount under md(4).
> >
> >I tried
> >
> >dd if=/dev/da0s1 of=/somefile
> >
> >dd stopped after a short while with I/O error, after a number of SCSI
> >reading errors.
> >
> >best regards,
> >
> >Olivier


  Try it with this command:

dd if=/dev/da0s1 of=/somefile conv=noerror,sync

-- 
Michael D Hughes                            Loghome living is the best!

Michael at TheHughesLogcabin.net