Gerhard Brauer wrote:

> * Michael Pellegrino <[EMAIL PROTECTED]> schrieb am [25.02.07 15:49]:
>> Gerhard Brauer wrote:
>>> I would to setup a enviroment, where i need a outhouse backup. My idea
>>> is, to use 2 USB-HD's in a daily change.
> [ Solution with SATA-HDs]
>> I only started this about 5 months ago and have not noticed any major 
>> issues.  Here are a couple things I have noticed, which are more related 
>> to protocol rather than BackupPC itself.
> 
> Thank you for your thoughtfulness answer. I got some more answers per
> PM, so i will give this a try.
> 
> My goal is, after the worst case (if backuppc server is R.I.P.), i use a
> laptop or something, put a bootcd(knoppix or selfbuild) in drive and
> mount the usb disk in a proper place. 
> Then, after doing some "magic" config changes, i want to have a working
> backuppc with last data (fulls, diffs) from where i could start a bare
> restoring.

There should be no problem with backuppc with the drive swap as long as 
you stop it before unmounting/remounting.  However with only 2 drives 
you will end up with both of them in the same place frequently and if 
the point is to recover from disasters, that may not be what you want. 
Also, the most common thing you need to recover is a file from the 
previous day that someone accidentally deleted. After you swap the drive 
you won't have the most recent backups on line.

The way I do it is with a 2 disk RAID1 mirror on internal drives that 
was actually created with 3 members with one 'missing'.  Then I can 
periodically connect an external firewire/usb drive, let the raid sync 
complete, then remove it and rotate offsite.  It takes about 2 hours to 
sync a 250 gig drive over firewire when backups aren't active. This 
keeps everything current on the live machine with protection against a 
single drive failure. I keep a laptop with backuppc installed that can 
access the external drive via usb - but so far haven't had to use it.

-- 
   Les Mikesell
    [EMAIL PROTECTED]

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