rsync to clone server A to server B concerns?

[Paul Ward]

Thanks Brian,

I'll check those points over.

:)

2009/6/4 Brian Millett <bmillett at gmail.com>:
> On Thu, 2009-06-04 at 14:04 +1200, Paul Ward wrote:
>> Hi,
>>
>> I want to clone server A to server B using rsync.
>>
>> If server A is RHEL3 on a hardware mirror and I have a newer server B
>> that has new hardware and needs to be the same can I use rsync to copy
>> the OS and installed oracle installation?
>>
>> My plan is to boot both servers up on a live cd, then copy the data
>> across the network.
>> I will first install a minimal install of RHEL3 on server b first then
>> use rsync.
>> I am concerned if the server will work afterwards due to different
>> hardware although both servers are IBM, and other issues like grub,
>> should I avoid updating grub.
>>
>> Any advice would be welcome as doing the whole build from fresh and
>> installing all the custom software would be a pain.
>
> I've done just what you suggest.
>
> I had to boot the system b with the install cd and do a repair system
> and it was fine.
>
> Some items to look out for:
>
> 1) network cards might not be configured correctly, or be configured
> with the same ip so boot system b without a cable attached to fix the
> nic
>
> 2) fstab might need to be fixed due to how the disks are referenced.  IE
> device name, UUID, or label
>
> 3) /boot/grub/menu.lst might need fixing also because of the nameing
> conventiion of the disks.
>
> You also might want to look at the clonezilla livecd to clone from on
> system to the next.  That also works fantastic.
>
> --
> Brian Millett - [ Kosh, "Deathwalker"]
> "A stroke of the brush does not guarantee art from the bristles."
>
>
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