Dan,

One thing I would like to add (well two actually).

As someone else pointed out, it should end in 0 in the guide example because it 
is supposed to be your network address not a host address.  It could be 
something else depending upon your  specific network config but assuming as you 
mentioned (it does begin with a 192 and we assumed it is a default 24 bit 
subnet) then 0 is correct.

Second should you choose to subnet 23 bits or less with a class C network do 
not use the .0 addresses for hosts in a mixed environment because many non 
linux OS's will not talk to that address even though it's a technically valid 
supernet (win xp for example). 

Hope that helps someone!

Jake

----- Reply message -----
From: "Dan Barker" <[email protected]>
To: <[email protected]>
Subject: [DRBD-user] Corosync Configuration
Date: Mon, Jun 11, 2012 4:19 pm




Off OP's topic, but a correction.

-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Pascal BERTON
Sent: Thursday, June 07, 2012 1:29 PM
To: 'Jake Smith'; [email protected]
Subject: Re: [DRBD-user] Corosync Configuration

I also used this manual to startup, I agree with Jake, that's a typo. Apart 
from that, William, your "bindnetaddr" parameter should not end with a "0", 
it's supposed to be the IP address your local host/node will use to monitor its 
peers. Instead, replace it by the IP address your server has on network 
192.168.1.0.

<snip>

Although it is extremely likely that 'should not end with a "0"' is a correct 
statement on this network (it does begin with a 192 and we assumed it is a 
default 24 bit subnet), it is not a requirement. The OP didn't post his subnet 
specification.

Any network with a subnet mask of 23 bits or less can have a final octet of 
Zero be a host. In a class A subnet, there is one network (ends with a .0.0.0), 
255 hosts that end with two zeros (.0.0) and 65,280 hosts that end with a 
single zero .0).

I normally wouldn't make this minor a correction, but Pascal then said "The 
cool thing (to me) is that I learn something more everyday on this ML..."

Dan

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