[Gluster-users] UCARP with NFS

anthony garnier sokar6012 at hotmail.com
Thu Sep 8 13:35:25 UTC 2011


I already have those options enabled. 
But thx anyway

> From: mueller at tropenklinik.de
> To: sokar6012 at hotmail.com; gluster-users at gluster.org
> Subject: AW: [Gluster-users] UCARP with NFS
> Date: Thu, 8 Sep 2011 15:25:18 +0200
> 
> Yes,
> working for me on centos 5.6 samba/glusterfs/ext3.
> Seems to me ucarp is not configured to work master/slave:
> Master:
> 
> ID=1
> BIND_INTERFACE=eth1
> #Real IP
> SOURCE_ADDRESS=xxx.xxx.xxx.xxx
> #slaveconfig,OPTIONS="--shutdown --preempt  -b 1 -k 50"
> OPTIONS="--shutdown --preempt  -b 1"
> #Virtual IP used by ucarp
> VIP_ADDRESS="zzz.zzz.zzz.zzz"
> #Ucarp Password
> PASSWORD=yyyyyyyy
> 
> On you slave you need: OPTIONS="--shutdown --preempt  -b 1 -k 50"
> 
> Good luck
> Daniel
> 
> 
> 
> EDV Daniel Müller
> 
> Leitung EDV
> Tropenklinik Paul-Lechler-Krankenhaus
> Paul-Lechler-Str. 24
> 72076 Tübingen 
> Tel.: 07071/206-463, Fax: 07071/206-499
> eMail: mueller at tropenklinik.de
> Internet: www.tropenklinik.de 
> 
> Von: gluster-users-bounces at gluster.org
> [mailto:gluster-users-bounces at gluster.org] Im Auftrag von anthony garnier
> Gesendet: Donnerstag, 8. September 2011 15:03
> An: gluster-users at gluster.org
> Betreff: [Gluster-users] UCARP with NFS
> 
> Hi all,
> 
> I'm currently trying to deploy ucarp with GlusterFS, especially with nfs
> access.
> Ucarp works well when I ping the VIP and i shutdown Master (and then when
> the Master came back up),but I face of a problem with NFS connections.
> 
> I got a client mounted on the VIP, when the Master fall, the client switch
> automaticaly on the Slave with almost no delay, it works like a charm. But
> when the Master come back up, the mount point on the client freeze.
> I've done a monitoring with tcpdump, when the master came up, the client
> send paquets on the master but the master seems to not establish the TCP
> connection.
> 
> 
> My  volume config : 
> 
> Volume Name: hermes
> Type: Replicate
> Status: Started
> Number of Bricks: 2
> Transport-type: tcp
> Bricks:
> Brick1: ylal2950:/users/export
> Brick2: ylal2960:/users/export
> Options Reconfigured:
> performance.cache-size: 1GB
> performance.cache-refresh-timeout: 60
> network.ping-timeout: 25
> nfs.port: 2049
> 
> As Craig wrote previously, I well probed hosts and created the volume with
> their real IP, I only used the VIP with the client.
> 
> Does anyone got experience with UCARP and GlusterFS ?
> 
> Anthony 
> 
 		 	   		  
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