BackupPC-users

Re: [BackupPC-users] bare metal restore?

2011-04-05 11:22:07
Subject: Re: [BackupPC-users] bare metal restore?
From: Neal Becker <ndbecker2 AT gmail DOT com>
To: backuppc-users AT lists.sourceforge DOT net
Date: Tue, 05 Apr 2011 11:20:02 -0400
Matthias Meyer wrote:

> Neal Becker wrote:
> 
>> Carl Wilhelm Soderstrom wrote:
>> 
>>> On 04/04 07:40 , Neal Becker wrote:
>>>> Are there instructions for using backuppc for bare metal restore?
>>> 
>>> Probably somewhere. It's fairly straightforward tho.
>>> 
>>> Boot the bare-metal machine with Knoppix (or your choice of rescue
>>> disks). Partition and format the drives.
>>> Mount the partitions in the arrangement you want. (you'll have to make
>>> some directories in order to have mount points).
>>> 
>>> Set up a listening netcat process to pipe to tar. will look something
>>> like: netcat -l -p 8888|tar -xpv -C /path/to/mounted/empty/filesystems
>>> 
>>> on the BackupPC server, become the backuppc user
>>> (Presuming it's a Debian box) run
>>> '/usr/share/backuppc/bin/BackupPC_tarCreate -n <backup number> -h
>>> <hostname> -s <sharename> <path to files to be restored> | netcat
>>> <bare-metal machine> 8888'
>>> 
>>> the 'backup number' can be '-1' for the most recent version.
>>> 
>>> An example of the BackupPC_tarCreate command might be:
>>> /usr/share/backuppc/bin/BackupPC_tarCreate -n -1 -h target.example.com -s
>>> / / | netcat target.example.com 8888
>>> 
>> 
>> Thanks.
>> 
>> Would there be a similar procedure using rsync?
>> 
> rsync wouldn't be a good solution in this szenario.
> You don't have any data on the client. So rsync wouldn't find anything to
> compare with.
> Because that - other solutions, like tar, are smarter because faster.
> 
> br
> Matthias

Interesting.  I thought that rsync is no worse than using e.g., tar in the case 
of nothing to compare to.  Do you think rsync is actually worse (slower)?


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