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Date:      Wed, 08 Jan 2014 14:22:53 +0000
From:      James Griffin <jmzgriffin@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: Server hang
Message-ID:  <52CD5F3D.1000807@gmail.com>
In-Reply-To: <CALeO_hOXAsuB5DS2ZqBWo44637SxOtgh6yg6CzZ7G8y6XrTPZA@mail.gmail.com>
References:  <CALeO_hPMR9uozBBGU0DYxRfL%2BV-YucPKiin70BRhga4r49feig@mail.gmail.com> <CA%2Bg%2BBvj_E82bKGsqh86AZU=r7gMMCT1sA-bd6aALRo5W%2BhTgXQ@mail.gmail.com> <20140107115506.e54e6dfd.freebsd@edvax.de> <CALeO_hPe3Ph-5sfp=%2BmSZx2_82YWB_ED2mABNoVwNctXBaxdPw@mail.gmail.com> <CALeO_hOXAsuB5DS2ZqBWo44637SxOtgh6yg6CzZ7G8y6XrTPZA@mail.gmail.com>

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On 01/08/2014 12:43, eras mus wrote:
> Dear List,
>
> As per your advice after so many attempts of fsck on the partition, fsck is
> waiting infinitely for /usr partition /dev/ad4s1e. So I given up fsck.
>
> As someone adviced in the list, I disabled ACPI in setup and when BSD
> booted I've chosen the second boot option ACPI disabled.To my surprise
> machine came back to normal mode.
>
> With all your help,  the website started and is running fine now. I would
> like to take a mirror or exact backup full copy of the Hard Disk (which I
> don't belive. It is a 80 GB very old Hard Disk). A desktop PC is used as a
> server. So I would like to make the mirror copy of this unstable Hard Disk
> to another hard disk. So that in case this hard disk  fails I can replace
> the Backup hard disk so that the server will be up in no time.
>
> Is it possible to take such a mirror copy of such a  hard disk so that i
> can replace it as a hot swap. I request all of your expertise. How to do
> hot swap?please shed some light on it.
>

Use dump and restore programs to copy your hard disk and restore to new 
one. I find they are the best tools to use.



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