tar works quite well but requires manual intervention, which in my
experience, opens a window for human error aka forgetting!
i use rsync to sync up an exact duplicate of my backup server accross a
768Kbps link to a server in another city. it work extremely well. be aware
that rsync is a memory hog when you have a ton of files. just do the math
that each file and directory will take 100bytes in ram because rsync stores
the entire sync list in memory. you will need enough memory on both
machines.
i have both machines configured identically and I also sync the backuppc
config directory. the second server does not start backuppc on boot nor
does it run backuppc but it is configured. if i have a server issue, i can
ssh in and start backuppc and have access to the data for a restore. the
primary server keeps a backup of its OS directories and theirfore the
redundant server has copies. this also makes it pretty easy to bring the
redundant copy up to date if i do any updates or configuration changes, i
can just wait a day and "restore" the primary server's backup from yesterday
onto the redundant.
i have cron run rsync nightly.
On Mon, Feb 25, 2008 at 7:00 PM, Damien Hull <[EMAIL PROTECTED]>
wrote:
>
> ----- Original Message -----
> From: "John Pettitt" <[EMAIL PROTECTED]>
> To: "Damien Hull" <[EMAIL PROTECTED]>
> Cc: [email protected]
> Sent: Monday, February 25, 2008 3:02:01 PM GMT -09:00 Alaska
> Subject: Re: [BackupPC-users] Backup to CD, DVD, USB Drive
>
> Damien Hull wrote:
> > Here's my situation.
> > 1. Workstation
> > 2. Laptop
> > 3. 3 - 4 Servers
> >
> > Backup Server
> > 1. 750 GB of data storage ( - OS )
> > 2. Software RAID 1
> >
> > Data
> > 1. Currently have about 200 Gigs to backup
> > 2. May have an extra 100 Gigs or more to backup in the future
> >
> > I like the fact that BackupPC creates smaller backups with hard links.
> That will save me if my data storage needs are more then I expected.
> Assuming the hard links work in my case.
> >
> > What I would like to do is off site storage. In the past I've backed up
> to DVD and USB drive. Is this possible?
> >
> > I'm also looking into Bacula.
> >
> >
> Backuppc will let you create archives of any host (tar files) which you
> can store offsite as you were before.
>
> I've found the best offsite solution for me (currently a 782GB backup
> volume) is to use dump to copy a snapshot of the backup file system to
> one of a pair of external USB drives that I store off site. You can
> get a 1Tb external drive for about $250 now and having tow that I rotate
> gives me a backup of last resort (basically fire/natural disaster
> insurance) for $500.
>
> John
>
>
> Sounds like a nice solution. I was going to use rsync but now that you
> mention it tar sounds like a nice option. That would allow me to copy the
> tar file to a USB drive. Hmmm.... BackupPC or Bacula? More research is
> needed.
>
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