On 13/04/2011 5:13 AM, Timothy J Massey wrote:
To slightly expand what Les wrote: there are 4 realistic options (for
a very loose definition of "realistic"):
1) rsync the pool.
2) LVM Snapshot/dd
3) Break a RAID array
4) Run two separate BackupPC servers, both backing up the same server.
You missed options 5 and 6.
5) Run on Solaris or Opensolaris using NFS. Make regular NFS snapshots
(cheap) and send the snapshots to a remote Solaris machine. NFS even
allows you to send the delta's between snapshots. (Got lots of memory,
or a ssd log device? Disable backuppc's pool and rely on NFS block level
de-duplication instead.)
Our current option would now be number 6 on this list. An archive host.
6) Archive Host. Backups run at night, during the day, backuppc archives
itself to the archive host. Tar files of all the backups sit on a remote
server - full remote backups of everything on the backuppc. An instant
replacement for tape.
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