[Linux-cluster] conga bug or my mistake?

Alex linux at vfemail.net
Fri Aug 22 08:48:12 UTC 2008


On Monday 18 August 2008 17:11, Alex wrote:
> On Monday 18 August 2008 16:05, Grisha G. wrote:
> > Show us the logs from your nodes
>
> It seems really a bug. I found another post with the same problem here:
>
> http://www.mail-archive.com/linux-cluster@redhat.com/msg03911.html
>

Indeed, is a bug. See here:

https://bugzilla.redhat.com/show_bug.cgi?id=459469

They say that it has been fixed in cvs. Can somebody indicate where i can 
access conga CVS in order to see modifications and/or location of the 
proposed patch/diff?

Regards,
Alx


> Can somebody tell me how to fix?
>
> Regards,
> Alx
>
> > On Mon, Aug 18, 2008 at 1:27 PM, Alex <linux at vfemail.net> wrote:
> > > Hello all,
> > >
> > > My current setup si similar with one described here:
> > > http://sources.redhat.com/cluster/gnbd/gnbd_usage.txt
> > > excepting the fact that i'm having 3 clients and 3 gnbd servers
> > > (exporting block devices using gnbd).
> > >
> > > our gnbd servers have the following IPs: 192.168.113.6 and
> > > 192.168.113.7 our gnbd clients have the following IPs: 192.168.113.3
> > > and
> > > 192.168.113.4and 192.168.113.5
> > >
> > > On our management machine (other then above gnbd clients and servers)
> > > is running:
> > > [root at rhclm ~]# rpm -q luci
> > > luci-0.12.0-7.el5.centos.3
> > > [root at rhclm ~]#
> > >
> > > On our gnbd clients is running:
> > > [root at rs1 ~]# rpm -q ricci
> > > ricci-0.12.0-7.el5.centos.3
> > > [root at rs1 ~]#
> > >
> > > Now, i'm trying to do the following operations using conga:
> > > Cluster -> Shared Fence Devices -> Add Fence Device
> > >
> > > added successfully:
> > >
> > > Fence Type: GNBD
> > > Name: gnbd_from_shds
> > > Servers: 192.168.113.6 192.168.113.7
> > >
> > > This will add in our cluster.conf:
> > > <fencedevices>
> > >        <fencedevice agent="fence_gnbd" name="gnbd_from_shds"
> > > servers="192.168.113.6 192.168.113.7"/>
> > > </fencedevices>
> > >
> > > Let's try to use it: Cluster -> Nodes hit on 192.168.113.3 and select
> > > option
> > > "Manage Fencing for this Node" -> "Main Fencing Method" -> "Add a fence
> > > device to this level" -> select gnbd_from_shds ->  and hit "Update main
> > > fence
> > > properties"
> > >
> > > Is not working, all the time i'm getting a javascript window error
> > > saying the
> > > following:
> > >
> > > [snip]
> > > The following errors were found:
> > > An unknown device type was given: "gnbd."
> > > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > > [end snip]
> > >
> > > You see, is a dot after "gnbd" which i suppose it causing that error.
> > >
> > > How can be fixed this error?
> > >
> > > Now, I edited manually our cluster.conf as following:
> > > <clusternode name="192.168.113.3" nodeid="3" votes="1">
> > >        <fence>
> > >                <method name="1">
> > >                        <device name="gnbd_from_shds"
> > > nodename="192.168.113.3"/>
> > >                </method>
> > >        </fence>
> > > </clusternode>
> > >
> > > First Question: In docs, i cannot find any explanation about
> > > name="value" in
> > > <method> tag. As you see, value is "1": <method name="1">. Is this
> > > value valid only inside of <clusternode> section or has global
> > > semnification in cluster.conf? Can i name it for example "one" or
> > > "first_fence_method_for_this_node"?
> > >
> > > and run:
> > > [root at rs1 ~]# ccs_tool update /etc/cluster/cluster.conf
> > > Config file updated from version 28 to 29
> > >
> > > Update complete.
> > > [root at rs1 ~]#
> > >
> > > Now, i can see using conga in "Shared Fence Devices" section:
> > >
> > > Shared Fence Devices for Cluster: httpcluster
> > > Agent type: Global Network Block Device
> > > Name: gnbd_from_shds
> > > Nodes using this device for fencing: 192.168.113.3
> > >
> > > but, if i'm hitting 192.168.113.3 link, i'll get other error:
> > >
> > > Site error
> > >
> > > This site encountered an error trying to fulfill your request. The
> > > errors were:
> > >
> > > Error Type
> > >    KeyError
> > > Error Value
> > >    'fence-instance-form-gnbd'
> > > Request made at
> > >    2008/08/18 12:42:45.164 GMT+3
> > >
> > > Any ideas how to fix it? Is my mistake or is a bug in conga?
> > >
> > > Second Question: Is correct to add and use for the rest of our client
> > > nodes below sintax?
> > >
> > > For: 192.168.113.4 and 192.168.113.5 client nodes:
> > >
> > > <clusternode name="192.168.113.4" nodeid="2" votes="1">
> > >        <fence>
> > >                <method name="1">
> > >                        <device name="gnbd_from_shds"
> > > nodename="192.168.113.4"/>
> > >                </method>
> > >        </fence>
> > > </clusternode>
> > >
> > > and
> > >
> > > <clusternode name="192.168.113.5" nodeid="1" votes="1">
> > >        <fence>
> > >                <method name="1">
> > >                        <device name="gnbd_from_shds"
> > > nodename="192.168.113.5"/>
> > >                </method>
> > >        </fence>
> > > </clusternode>
> > >
> > > For conformity, i am posting below my present cluster.conf file:
> > >
> > > <?xml version="1.0"?>
> > > <cluster alias="httpcluster" config_version="29" name="httpcluster">
> > >        <fence_daemon clean_start="0" post_fail_delay="0"
> > > post_join_delay="3"/>
> > >        <clusternodes>
> > >                <clusternode name="192.168.113.5" nodeid="1" votes="1">
> > >                        <fence/>
> > >                </clusternode>
> > >                <clusternode name="192.168.113.4" nodeid="2" votes="1">
> > >                        <fence/>
> > >                </clusternode>
> > >                <clusternode name="192.168.113.3" nodeid="3" votes="1">
> > >                        <fence>
> > >                                <method name="1">
> > >                                        <device name="gnbd_from_shds"
> > > nodename="192.168.113.3"/>
> > >                                </method>
> > >                        </fence>
> > >                </clusternode>
> > >                <clusternode name="192.168.113.6" nodeid="4" votes="1">
> > >                        <fence/>
> > >                </clusternode>
> > >                <clusternode name="192.168.113.7" nodeid="5" votes="1">
> > >                        <fence/>
> > >                </clusternode>
> > >        </clusternodes>
> > >        <cman/>
> > >        <fencedevices>
> > >                <fencedevice agent="fence_gnbd" name="gnbd_from_shds"
> > > servers="192.168.113.6 192.168.113.7"/>
> > >        </fencedevices>
> > >        <rm>
> > >                <failoverdomains/>
> > >                <resources/>
> > >        </rm>
> > > </cluster>
> > >
> > > Regards,
> > > Alx
> > >
> > > --
> > > Linux-cluster mailing list
> > > Linux-cluster at redhat.com
> > > https://www.redhat.com/mailman/listinfo/linux-cluster
>
> --
> Linux-cluster mailing list
> Linux-cluster at redhat.com
> https://www.redhat.com/mailman/listinfo/linux-cluster




More information about the Linux-cluster mailing list