Hi all,
I have asked this question before, so if it looks familiar ...
I am hoping all the reading I have done over the past few weeks makes this
instance of the qeustion clearer.
Background:
1 Dell 24 Port Switch, WAN connection to my ISP.
5 Dell Serers, each with 2 NICs.
1 NIC on each connected to SWITCH - VLAN 1 -WAN (Many different IP's).
1 NIC on each connected to SWITH - VLAN 2 -LAN (192.168.0/24)
Each Server has 2 Serial ports, unused.
Each Server has 2 USB ports, unused.
All servers running FreebSD
2 Running 4.10
1 Running 5.2.1
1 Running 5.4
1 Running 4.4 (Slave3 Nameserver only).
I am ~ 120 miles from the server cage these are located in. So traveling to
there is a real pain.
I have been reading everything I can find on consoles, ttys, blackboxes,
Lantronix serial cables etc, etc ,etc ,etc ...
What I am looking to do, is to connect all the servers to a device, or,
daisychain them together so that even if I reboot a broken machine, I can
still get to a "boot ?" prompt, not to mention single user mode and normal
ssh shell prompt. (of course I already have the latter through IP when the
machine boots correctly.
So my question is, can a machine be made to still be remotely accessable
(any method), when file systems are not mounted, or, kernel not loaded? If
so, using what setup?
-Grant
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