OT - Backup of HA server on external drive
Hi all,
I have to make a backup plan for a server that is physically very far away from me right now. If for some reason this server goes south, I have to have a plan and it has to be done quickly. The problem is that the personnel that is on site doesn't know squat about Linux (or computers, for that matter), so it must be something dead simple. I was thinking of getting a spare hard drive, connect it to the working server, do a dd of the entire disk to the new disk, and disconnect the disk (the people there can swap hard disks). Something like
dd if=/dev/sda of=/dev/sdb bs=1024
assuming that sda is the working disk and sdb is the new, unformatted and unpartitioned disk. So if hte machine breaks, I can get the new disk and put in a new machine and everything should work. This server is doing firewall and openvpn, etc, no X, no fancy stuff. Is this going to work? What do you guys think?
Cheers!
Ivan
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