[node-devel] GlusterFS on oVirt node

Thu Oct 24 13:12:31 UTC 2013

Progress report:

I remounted fs on oVirt nodes rw, started glusterd with no errors.
Then I activated hosts in oVirt Engine. Also no errors! Yei!

Then I created volume (replication), added two bricks (oVirt nodes), and 
started volume. Seems fine. I checkd on node1:

# gluster volume info

Volume Name: data_vol
Type: Replicate
Volume ID: a1cdc762-2198-47e2-9b4a-58fd0571b269
Status: Started
Number of Bricks: 1 x 2 = 2
Transport-type: tcp
Bricks:
Brick1: 192.168.254.124:/data/gluster
Brick2: 192.168.254.141:/data/gluster
Options Reconfigured:
storage.owner-gid: 36
storage.owner-uid: 36
auth.allow: *
user.cifs: on
nfs.disable: off

WORKING!

BUT...  Now i can not create storage domain. When I hit OK button on 
"New storage domain dialog", process is running very long. Eventually 
this process stops and returns " Error while executing action Add 
Storage Connection: Network error during communication with the Host".

I'm stuck again :-(     in need for HELP!

tnx

Dne 24. 10. 2013 13:02, piše 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
>
>
> 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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