Setting up CTDB on OCFS2 and VMs ...
obnox at samba.org
Sat Dec 6 17:04:02 MST 2014
On 2014-12-06 at 15:01 -0800, Richard Sharpe wrote:
> On Sat, Dec 6, 2014 at 11:59 AM, steve <steve at steve-ss.com> wrote:
> > Now please let us talk about Setting up CTDB on OCFS2 and VMs ...
> > One way to set up an active:active 2 node cluster is to use ocfs2, drbd and
> > ctdb. We have documented it and 3 independent domains are using it. It is
> > available now. It has been tested in the field since September. That's what
> > we offer. We thought we'd mention it. It may save you a lot of time getting
> > your cluster into production. Take it or leave it. But please do not
> > misrepresent it.
> Actually, you seem to not understand what DRBD provides. What you seem
> to be describing is not an ACTIVE/ACTIVE cluster using CTDB because it
> does not provide a key feature that CTDB requires.
The blog post does in fact describe an all-active samba+ctdb
cluster with ocfs2 as a cluster file system, and drbd replicating
ofs2's storage, but without ctdb using a recovery lock for split
See my other mail for details.
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