[Users] [node-devel] GlusterFS on oVirt node

[Fabian Deutsch]

Am Donnerstag, den 24.10.2013, 07:02 -0400 schrieb Mike Burns:
> Adding to node-devel list and users list.
> 
> -- Mike
> 
> Apologies for top posting and typos.  This was sent from a mobile device.
> 
> Saša Friedrich <sasa.friedrich at bitlab.si> wrote:
> 
> Hello!
> 
> Acording to http://www.ovirt.org/Node_Glusterfs_Support glusterfs on 
> ovirt node should be supported. But I have some difficulties to 
> implement it.
> 
> 
> I installed ovirt (nested kvm - home testing) following "Up and Running 
> with oVirt 3.3) using Fedora19
> Install went well. Everything is working fine.
> 
> Now I created two hosts (nested kvm - ovirt node fc19 - just for 
> testing) and added them in oVirt.
> Super fine - working!
> 
> Now I'd like to use this hosts as glustefs nodes too. Acording to google 
> (I'm googling for two days now) I'ts possible, but I can not find any 
> usable how-to
> 
> 1. I removed these two hosts from default data center
> 2. I created new data center (type: GlusterFS)
> 3. I created new cluster (Enable Gluster Service checked)
> 4. I added host
> 5. Now I get error message in events: "Could not find gluster uuid of 
> server host1 on Cluster Cluster1."
> 
> 
> If I ssh to my host (fc19 node) glusterd.service is not running. If I 
> try to run it It returns error
> 
> here is the log:
> [2013-10-24 09:52:25.969899] I [glusterfsd.c:1910:main] 
> 0-/usr/sbin/glusterd: Started running /usr/sbin/glusterd version 3.4.0 
> (/usr/sbin/glusterd -p /run/glusterd.pid)
> [2013-10-24 09:52:25.974480] I [glusterd.c:962:init] 0-management: Using 
> /var/lib/glusterd as working directory
> [2013-10-24 09:52:25.977648] I [socket.c:3480:socket_init] 
> 0-socket.management: SSL support is NOT enabled
> [2013-10-24 09:52:25.977694] I [socket.c:3495:socket_init] 
> 0-socket.management: using system polling thread
> [2013-10-24 09:52:25.978611] W [rdma.c:4197:__gf_rdma_ctx_create] 
> 0-rpc-transport/rdma: rdma_cm event channel creation failed (No such device)
> [2013-10-24 09:52:25.978651] E [rdma.c:4485:init] 0-rdma.management: 
> Failed to initialize IB Device
> [2013-10-24 09:52:25.978667] E [rpc-transport.c:320:rpc_transport_load] 
> 0-rpc-transport: 'rdma' initialization failed
> [2013-10-24 09:52:25.978747] W [rpcsvc.c:1387:rpcsvc_transport_create] 
> 0-rpc-service: cannot create listener, initing the transport failed
> [2013-10-24 09:52:25.979890] I 
> [glusterd.c:354:glusterd_check_gsync_present] 0-glusterd: 
> geo-replication module not installed in the system
> [2013-10-24 09:52:25.980000] E [store.c:394:gf_store_handle_retrieve] 
> 0-: Unable to retrieve store handle /var/lib/glusterd/glusterd.info, 
> error: No such file or directory
> [2013-10-24 09:52:25.980026] E 
> [glusterd-store.c:1277:glusterd_retrieve_op_version] 0-: Unable to get 
> store handle!
> [2013-10-24 09:52:25.980048] E [store.c:394:gf_store_handle_retrieve] 
> 0-: Unable to retrieve store handle /var/lib/glusterd/glusterd.info, 
> error: No such file or directory
> [2013-10-24 09:52:25.980060] E 
> [glusterd-store.c:1378:glusterd_retrieve_uuid] 0-: Unable to get store 
> handle!
> [2013-10-24 09:52:25.980074] I 
> [glusterd-store.c:1348:glusterd_restore_op_version] 0-management: 
> Detected new install. Setting op-version to maximum : 2
> [2013-10-24 09:52:25.980309] E [store.c:360:gf_store_handle_new] 0-: 
> Failed to open file: /var/lib/glusterd/options, error: Read-only file system

Hey Sasa,

that looks like we are missing a couple of paths which need either be
write-able or even further more persisted.

Greetings
fabian

> 
> Acording to log /var/lib/glusterd/glusterd.info is missing and can not 
> be created because fs is mounted "ro".
> 
> 
> Now I'm stuck!
> What am I missing?
> 
> 
> tnx for help!
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