Matus - If you are using the Gluster native client (mount -t glusterfs ...) then ucarp/CTDB is NOT required and you should not install it. Always use the real IPs when you are mounting with 'mount -t glusterfs...'. Craig On 6/6/11 1:16 AM, bxmatus at gmail.com wrote: > Hi Craig, > > thanks for answer. I'm using replications - which is working ok, > volume is mounted using -t glusterfs parameter, does it matter ? > All nodes are using real IP's not virtual ( for probing etc ) , i'm > using virtual only for mounting volume on client. I was waiting over > 10 minutes for volume > to "wake up" but it never start to work - it never switch to another > node, even when UCARP was already pointing there, there was lot > of "recovery" messages on log but no attemt to connect to second node. > > thanks > > Matus > > > 2011/6/6 Craig Carl <ccarl at gluster.com>: >> Matus - >> >> Gluster has automatic, built-in failover if you are using replica nodes. >> ucarp is only required if you want highly available NFS mounts. >> >> To use ucarp with Gluster you should - >> 1. Install Gluster and create a replica volume. [1] >> 1. DO NOT use the virtual IPs when you peer probe or create >> the volume, that won't work. >> 2. Set the ping-timeout volume option to 25 seconds. [2] >> 2. Install and setup ucarp. >> 3. Mount your NFS clients using the VIPs. >> 4. Mount your glusterfs clients using the real IP addresses. >> >> We mostly use CTDB because it supports NFS and Samba, I can't attach a >> document here but I'll email you directly with the documentation. >> >> [1] >> http://gluster.com/community/documentation/index.php/Gluster_3.2:_Configuring_Distributed_Replicated_Volumes >> [2] >> http://gluster.com/community/documentation/index.php/Gluster_3.2:_Setting_Volume_Options >> >> Thanks, >> >> Craig >> >> -- >> Craig Carl, Senior Systems Engineer | Gluster >> 408.829.9953(PST) | http://gluster.com >> http://www.gluster.com/gluster-for-aws/ >> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE5666F925A557DD8 >> >> >> On 6/6/11 12:09 AM, bxmatus at gmail.com wrote: >>> Hello everybody. >>> >>> I have a problem setting up gluster failover funcionality. Based on >>> manual i setup ucarp which is working well ( tested with ping/ssh etc >>> ) >>> >>> But when i use virtual address for gluster volume mount and i turn off >>> one of nodes machine/gluster will freeze until node is back online. >>> >>> My virtual ip is 3.200 and machine real ip is 3.233 and 3.5. In >>> gluster log i can see: >>> >>> [2011-06-06 02:33:54.230082] I >>> [client-handshake.c:913:client_setvolume_cbk] 0-atlas-client-1: >>> Connected to 192.168.3.233:24009, attached to re >>> mote volume '/atlas'. >>> [2011-06-06 02:33:54.230116] I [afr-common.c:2514:afr_notify] >>> 0-atlas-replicate-0: Subvolume 'atlas-client-1' came back up; going >>> online. >>> [2011-06-06 02:33:54.237541] I [fuse-bridge.c:3316:fuse_graph_setup] >>> 0-fuse: switched to graph 0 >>> [2011-06-06 02:33:54.237801] I [fuse-bridge.c:2897:fuse_init] >>> 0-glusterfs-fuse: FUSE inited with protocol versions: glusterfs 7.13 >>> kernel 7.13 >>> [2011-06-06 02:33:54.238757] I [afr-common.c:836:afr_fresh_lookup_cbk] >>> 0-atlas-replicate-0: added root inode >>> [2011-06-06 02:33:54.272650] I >>> [client-handshake.c:913:client_setvolume_cbk] 0-atlas-client-0: >>> Connected to 192.168.3.5:24009, attached to remo >>> te volume '/atlas'. >>> >>> >>> Even when IP i'm using at mount is 3.200 ... Its look like that at the >>> end gluster is using real machine IP's even when i'm connecting to >>> virtual. Is there a way >>> how to turn this functionality off or it is just broken ? >>> >>> thanks for answer >>> >>> Matus >>> _______________________________________________ >>> Gluster-users mailing list >>> Gluster-users at gluster.org >>> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users >> _______________________________________________ >> Gluster-users mailing list >> Gluster-users at gluster.org >> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users >> > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
