disk error / failure: need help! (smart failure predicted)

[Viacheslav Voytovich]

Hi !

Does it need that the disks have the same geometry?

Slava

----- Original Message -----
From: "Steve Bertrand" <iaccounts at northnetworks.ca>
To: "Arie J. Gerszt" <arie at gerszt.ch>
Cc: <freebsd-isp at freebsd.org>
Sent: Friday, December 12, 2003 3:49 AM
Subject: Re: disk error / failure: need help! (smart failure predicted)


> > > At the moment the disk works (still). What is the easiest way to
> > > copy everything from this disk to another new one (including boot
> > > mgmr, mbr)
> > >
> > > the system has in total 3 disks, but only the first (the broken one)
> > > is bootable.
> > >
> >
> > Put in another disk drive temporarily, and since this is only a one time
> > thing, you can use dd. Try to eliminate most, if not all access to the
> > box:
> >
> > # dd if=/dev/ad0 of=/dev/ad4
> >
> > Substitute ad4 with the dev name of the temporary drive. Once dd is
> > done, take out the primary disk and replace it with the new clone. Read
> > man dd(8) as I don't know off the top of my head what the optimal
> > options would be for dd in this case.
> >
>
> I'm following a thread in questions right now, and I must agree with
> some of the posts stating that using dd on the / filesystem could cause
> grief if the partition is mounted. You may want to use a fixit floppy or
> alternative boot method and then dd the disk to ensure no writes occur
> whilst in transfer.
>
> Steve
>
>
>
> > Steve
> >
> > > thanks,
> > > arie
> > >
> > > _______________________________________________
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> --
> Steve Bertrand
> President/CTO,
> Northumberland Network Services
>
> t: 905.352.2688
> w: www.northnetworks.ca
>
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