On Fri, 2008-04-25 at 13:35 -0400, Jason Pyeron wrote:
>
> > -----Original Message-----
> > From: centos-bounces@xxxxxxxxxx [mailto:centos-bounces@xxxxxxxxxx] On
> > Behalf Of Jeff Larsen
> > Sent: Friday, April 25, 2008 1:16 PM
> > To: CentOS mailing list
> > Subject: Re: dying hd on live legacy system...
> >
> > On Fri, Apr 25, 2008 at 10:38 AM, Jason Pyeron <jpyeron@xxxxxxxx> wrote:
> > > We have an old 3.x server whose hd is dying (kernel: hda:
> > dma_timer_expiry:
> > > dma status == 0x61) and accessing certain files just crashes the system
> > with
> > > a reboot.
> > >
> > > We have moved as many files to a nfs server as we could so simply.
> > >
> > > The system has been heavily modified (all using rpms) from baseline.
> > >
> > > What is the most practical method to replace the hard drive?
> >
> > Install another drive (same size or larger), boot from CD in rescue
> > mode and use the dd utility to copy the old drive image to the new
> > disk (example: dd if=/dev/hda of=/dev/hdb). However, the failing
> > hardware could make this problematic. Then remove the dying disk and
> > install the new disk on the cable where the old disk was so that the
> > new disk is now /dev/hda.
> >
>
> Tried this, I should have been more clear above. When I access certain
> sectors the machine reboots.
>
> Ideas on how to do the duplication in this scenario?
>
> > If you are lucky enough to succeed consider mirroring with Linux
> > software RAID or at least make a full backup.
I don't know if your aware of this but "dd" will mark bad sectors on the
drive. Maybe that will help out. I am not sure if it can be done with
data on it!!!!!
> >
> > --
> > Jeff
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>
>
>
>
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