<div dir="ltr">I believe that most of your questions can be answered by reading the DRBD user's guide..<div><br></div><div><a href="https://docs.linbit.com/docs/users-guide-8.4/#p-intro">https://docs.linbit.com/docs/users-guide-8.4/#p-intro</a><br></div><div><br></div><div>There are 2 versions of DRBD available at the moment, DRBD8 (for up to 2 nodes) and DRBD9 (for 2+ nodes). </div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Jun 25, 2018 at 7:07 AM Alex <<a href="mailto:mysqlstudent@gmail.com">mysqlstudent@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br>
<br>
I posted this message a few days ago and I'm not sure it was received.<br>
I'm really hoping someone can help.<br>
<br>
I'm trying to understand how drbd works and how all the different<br>
pieces go together. I first installed drbd on Linux many, many years<br>
ago, but it appears to be quite different and obviously more mature.<br>
<br>
I have a mail server with about 3TB of disk space for users. I'd like<br>
to create a completely different system on a completely different<br>
network and somehow provide a single interface for users to access<br>
their email.<br>
<br>
Does drbd typically work with a front-end system that helps to manage<br>
which system is active?<br>
<br>
Ideally I'd like a system where I can advertise a single IP address in<br>
DNS and have traffic routed to the currently active system but I don't<br>
really understand how all the pieces go together.<br>
<br>
Does drbd typically involve NFS? LVM?<br>
<br>
Is there a general overview doc that provides a description of typical<br>
configurations?<br>
<br>
What are the services that are available as open source as compared<br>
with the ones offered commercially by linbit?<br>
<br>
Thanks,<br>
Alex<br>
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</blockquote></div>