Re: Bare Metal Recovery FreeBSD How To

2007-12-19 Thread NetOpsCenter

Kevin Kinsey wrote:

Nuno Gonçalves wrote:


I am trying to do a Bare Metal Recovery from a FreeBSD 6.0 system to a
different Hardware.

I have a backup from all partitions of the affected system so I am 
trying to
install a minimum FreeBSD 6.0 in a different hardware which I already 
have

up and running.


What kind of backup?  Is it a dump(8) file?


I created a Swap Partition, a “/” partition where the minimum system is
running, and a third partition “/backup” in which I will restore the 
backup

through the network.

Next step will be to change the boot manager and make it boot through
“/backup”.

Do you guys think this is doable?

I Think I probably must recompile the kernel after the bare metal 
recovery

because the hardware is different, still do you think it might work?


Did the kernel have a lot of customization?  A GENERIC kernel should
boot on almost anything --- which is why "bare metal recovery" seems a 
misnomer to me.  If the hard disk survives, I simply stick it in 
another box and rarely have any difficulties.  If it doesn't, I do
a minimal install with the desired final slice/partition scheme on the 
new HDD, and simply restore(8) over the top.



What is your opinion on this? What should be the best approach ?


Well, I don't know your exact situation, but OOTOMH, the partitioning
scheme you mention seems like wasting a disk unless you want the
final system to have only /, swap, and /backup.  Which could be
OK, I guess, but isn't the traditional BSD Right Way(tm).

Also, I'd consider installing a newer release than 6.0, and only
restoring the important stuff.  Again, it depends on your situation.

My $.02,

Kevin Kinsey

I agree with Kevin.

If the HD is ok just stick it in a new box and it will work with most 
current motherboards. I have done this many times.
All you may have to re configure is your network if the nic on the new 
box  is different.


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Re: Bare Metal Recovery FreeBSD How To

2007-12-19 Thread Kevin Kinsey

Nuno Gonçalves wrote:


I am trying to do a Bare Metal Recovery from a FreeBSD 6.0 system to a
different Hardware.

I have a backup from all partitions of the affected system so I am trying to
install a minimum FreeBSD 6.0 in a different hardware which I already have
up and running.


What kind of backup?  Is it a dump(8) file?


I created a Swap Partition, a “/” partition where the minimum system is
running, and a third partition “/backup” in which I will restore the backup
through the network.

Next step will be to change the boot manager and make it boot through
“/backup”.

Do you guys think this is doable?

I Think I probably must recompile the kernel after the bare metal recovery
because the hardware is different, still do you think it might work?


Did the kernel have a lot of customization?  A GENERIC kernel should
boot on almost anything --- which is why "bare metal recovery" seems 
a misnomer to me.  If the hard disk survives, I simply stick it in 
another box and rarely have any difficulties.  If it doesn't, I do
a minimal install with the desired final slice/partition scheme on 
the new HDD, and simply restore(8) over the top.



What is your opinion on this? What should be the best approach ?


Well, I don't know your exact situation, but OOTOMH, the partitioning
scheme you mention seems like wasting a disk unless you want the
final system to have only /, swap, and /backup.  Which could be
OK, I guess, but isn't the traditional BSD Right Way(tm).

Also, I'd consider installing a newer release than 6.0, and only
restoring the important stuff.  Again, it depends on your situation.

My $.02,

Kevin Kinsey
--
You have been in Afghanistan, I perceive.
-- Sherlock Holmes, A Study in Scarlet
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RE: Bare Metal Recovery FreeBSD How To

2007-12-19 Thread Nuno Gonçalves
Thank you all on responding this mater.
Well the situation is the hardware is wrecked! So the only thing that I have
is the content of all partitions available. The backup is a tar uncompressed
data.
So I have the contents in a server.

So the objective is to use a completely different hardware but with the same
kernel, same configurations, same partitions, etc. In that way, what I
thought (but I don't know if it is the proper way) was to install a minimum
freeBSD (same version which is 6.0) with the following partitions and
booting with F1 option:
/dev/ad1s1b noneswapsw  0   0
/dev/ad1s1a /  ufs rw  1   1
/dev/ad1s1d /new_rootufs rw  2   2
/dev/ad1s1e  /archive   ufs rw  2   2
/dev/acd0 /cdrom cd9660  ro,noauto   0   0

Then migrate the partions that I have in my backup

/ -> to partition /new_root (/dev/ad1s1d)  at the end this should be changed
to /dev/ad1s1a

/archive -> to partition /archive (/dev/ad1s1e)

The idea is to make use of the same swap partition, and of course if all
goes OK the partition / of the minimum system is lost when bootManager is
changed to boot on /new_root.

That is what I have in mind but I am not sure if it will work.
I am new to FreeBSD and I am more used to red hat, still I am putting some
effort to change that :)

Best regards and thanks once again

Nuno






-Original Message-
From: Kevin Kinsey [mailto:[EMAIL PROTECTED] 
Sent: quarta-feira, 19 de Dezembro de 2007 16:58
To: Nuno Gonçalves
Cc: freebsd-questions@freebsd.org
Subject: Re: Bare Metal Recovery FreeBSD How To

Nuno Gonçalves wrote:

> I am trying to do a Bare Metal Recovery from a FreeBSD 6.0 system to a
> different Hardware.
> 
> I have a backup from all partitions of the affected system so I am trying
to
> install a minimum FreeBSD 6.0 in a different hardware which I already have
> up and running.

What kind of backup?  Is it a dump(8) file?
 
> I created a Swap Partition, a “/” partition where the minimum system is
> running, and a third partition “/backup” in which I will restore the
backup
> through the network.
> 
> Next step will be to change the boot manager and make it boot through
> “/backup”.
> 
> Do you guys think this is doable?
> 
> I Think I probably must recompile the kernel after the bare metal recovery
> because the hardware is different, still do you think it might work?

Did the kernel have a lot of customization?  A GENERIC kernel should
boot on almost anything --- which is why "bare metal recovery" seems 
a misnomer to me.  If the hard disk survives, I simply stick it in 
another box and rarely have any difficulties.  If it doesn't, I do
a minimal install with the desired final slice/partition scheme on 
the new HDD, and simply restore(8) over the top.

> What is your opinion on this? What should be the best approach ?

Well, I don't know your exact situation, but OOTOMH, the partitioning
scheme you mention seems like wasting a disk unless you want the
final system to have only /, swap, and /backup.  Which could be
OK, I guess, but isn't the traditional BSD Right Way(tm).

Also, I'd consider installing a newer release than 6.0, and only
restoring the important stuff.  Again, it depends on your situation.

My $.02,

Kevin Kinsey
-- 
You have been in Afghanistan, I perceive.
-- Sherlock Holmes, A Study in Scarlet

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Re: Bare Metal Recovery FreeBSD How To

2007-12-19 Thread Aryeh M. Friedman
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Nuno Gonçalves wrote:
> Hi all,
>
>
>
> I am trying to do a Bare Metal Recovery from a FreeBSD 6.0 system
> to a different Hardware.
>
> I have a backup from all partitions of the affected system so I am
> trying to install a minimum FreeBSD 6.0 in a different hardware
> which I already have up and running.
>
> I created a Swap Partition, a “/” partition where the minimum
> system is running, and a third partition “/backup” in which I will
> restore the backup through the network.
>
> Next step will be to change the boot manager and make it boot
> through “/backup”.
>
>
>
> Do you guys think this is doable?
>
> I Think I probably must recompile the kernel after the bare metal
> recovery because the hardware is different, still do you think it
> might work?

If you need to recompile the kernel then you will also have do a build
world and rebuild most of the ports.   Your better just backing up the
data from the old machine and building the new enviroment from scratch
then copy it across.   An other way is all the data to a spare disk
and then just put it in the new machine once it is all setup.  BTW
unless there is some extremely good reason why your sticking with 6.0
you should consider at 6.3
>
> What is your opinion on this? What should be the best approach ?
>
> Thanks for reading and
>
> Best regards
>
>
>
> Nuno
>
>
>
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>


- --
Aryeh M. Friedman
FloSoft Systems
http://www.flosoft-systems.com
Developer, not business, friendly
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Re: Bare Metal Recovery FreeBSD How To

2007-12-19 Thread Derek Ragona

At 09:05 AM 12/19/2007, Nuno Gonçalves wrote:

Hi all,



I am trying to do a Bare Metal Recovery from a FreeBSD 6.0 system to a
different Hardware.

I have a backup from all partitions of the affected system so I am trying to
install a minimum FreeBSD 6.0 in a different hardware which I already have
up and running.

I created a Swap Partition, a “/” partition where the minimum system is
running, and a third partition “/backup” in which I will restore the backup
through the network.

Next step will be to change the boot manager and make it boot through
“/backup”.



Do you guys think this is doable?

I Think I probably must recompile the kernel after the bare metal recovery
because the hardware is different, still do you think it might work?

What is your opinion on this? What should be the best approach ?

Thanks for reading and

Best regards



Nuno


It depends on your server's partitioning.  The simplest would be to create 
the same file systems like you had on the old server and restore each 
filesystem.


-Derek

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Bare Metal Recovery FreeBSD How To

2007-12-19 Thread Nuno Gonçalves
Hi all,

 

I am trying to do a Bare Metal Recovery from a FreeBSD 6.0 system to a
different Hardware.

I have a backup from all partitions of the affected system so I am trying to
install a minimum FreeBSD 6.0 in a different hardware which I already have
up and running.

I created a Swap Partition, a “/” partition where the minimum system is
running, and a third partition “/backup” in which I will restore the backup
through the network.

Next step will be to change the boot manager and make it boot through
“/backup”.

 

Do you guys think this is doable?

I Think I probably must recompile the kernel after the bare metal recovery
because the hardware is different, still do you think it might work?

What is your opinion on this? What should be the best approach ?

Thanks for reading and 

Best regards 

 

Nuno

 

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