Jeffrey J. Kosowsky wrote:
> Les Mikesell wrote at about 00:51:43 -0500 on Tuesday, September 1, 2009:
>  > Jeffrey J. Kosowsky wrote:
>  > >  > >  > Yes, except for people using a consumer NAS.
>  > >  > > Which is why you want to *backup* your backup database which is one 
> of
>  > >  > > the whole points of this whole thread.
>  > >  > 
>  > >  > Yes, but at that level you use the techniques the device offers.  
> Won't the NAS 
>  > >  > mirror its drives?
>  > > 
>  > > My NAS has 2 drives in RAID1 and as we all know RAID is not backup.
>  > 
>  > Swap one of the drives out, let the RAID rebuild. Take the one you removed 
> to 
>  > another location.  Now you have a backup.  Repeat with a 4th drive that 
> you take 
>  > offsite before bringing the other one back so you never have the whole 
>  > collection in the same place.  Problem solved - unless maybe you need a 
> matching 
>  > spare NAS chassis to read the disks.   That's not a issue with software 
> raid but 
>  > it might be with a hardware controller.
>  > 
> 
> Well, that would give me a full filesystem backup. But I have a 1TB
> filesystem and only about 300GB of it is for BackupPC...

If the rest is worth having, it's probably worth having a copy in a safe place 
too.

-- 
   Les Mikesell
    lesmikesell AT gmail DOT com

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