[K12OSN] RSYNC Question

[Stephen Liu]

Hi,

Thanks for your advice.

- snip -

>These would involve
> running RAID mirroring over double-ended SCSI, firewire, or something
> called the 'network device block' to drives that the alternate machine
> can access directly and some kind of heartbeat that lets the backup
> machine know when to take over.

- Could you please explain in more detail about the above. 
- What kind of RAID, 5, 0+1, etc.
- Where can I find the hardware setup of 'hot spare'

Thanks in advance.

B.R.
Stephen Liu