Gluster users - Feb 2010 - two node glusterfs with afr and dedicated replication interface?

hi,

i want to setup a two node glusterfs with afr;
my servers have 4x 1gb interfaces build in, so i thought if it is 
possible to connect the two nodes together on two interfaces with 
bonding mode 0 for replication and the other two as additional bonding 
interface for redundancy to serve data to the clients?

thx

On Feb 24, 2010, at 11:44 AM, Joelly Alexander wrote:
> hi,
> 
> i want to setup a two node glusterfs with afr;
> my servers have 4x 1gb interfaces build in, so i thought if it is possible
to connect the two nodes together on two interfaces with bonding mode 0 for
replication and the other two as additional bonding interface for redundancy to
serve data to the clients?
You can do this using server-side replication. You can use the bonded interfaces
for the connections between the servers.

However, there are two problems with this kind of setup:

1) Since your clients will not have replication on their side and will only
connect
to one server, you will not have high availability. If the server that a client
has
connected to fails, the client will no longer have access to storage. You'll
have to setup
some other kind of failover to handle this.

2) Server-side replicate is not one of the officially supported configurations,
and
is not as well-tested as the others.

Vikas

I would recommend that you try running this with just single links at first
before you go to bonding.
I've been using bonding (balanced-alb - Mode 6), and I have been finding
some strange lag for "stat"
operations like "ls", etc.  I did a test with only single links and it
appears to have better performance.
If you find that you are saturating the single links, then explore the bonded
links/faster interconnects.

-----Original Message-----
From: gluster-users-bounces at gluster.org [mailto:gluster-users-bounces at
gluster.org] On Behalf Of Joelly Alexander
Sent: Wednesday, February 24, 2010 2:44 PM
To: gluster-users at gluster.org
Subject: [Gluster-users] two node glusterfs with afr and dedicated replication
interface?

hi,

i want to setup a two node glusterfs with afr;
my servers have 4x 1gb interfaces build in, so i thought if it is 
possible to connect the two nodes together on two interfaces with 
bonding mode 0 for replication and the other two as additional bonding 
interface for redundancy to serve data to the clients?

thx

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