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[Linux-cluster] Re: Linux-cluster Digest, Vol 24, Issue 35



dear sir,

I shall want to know about basic of linux-clustering  .

reg

P.Rajeshkanna



On 4/24/06, linux-cluster-request redhat com
<linux-cluster-request redhat com> wrote:
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> Today's Topics:
>
>   1. Re: where are built GFS rpms?, and upgrade question (Jason)
>   2. different subnets/ manual fencing (wolfgang pauli)
>   3. Re: different subnets/ manual fencing (Patrick Caulfield)
>   4. Re: CS4 Update 2 / GUI problem ? (Alain Moulle)
>   5. Re: CS4 Update 2 / GUI problem ? (Alain Moulle)
>   6. Re: Re: CS4 Update 2 / GUI problem ? (James Parsons)
>   7. GFS (proftpd rodriges spb ru)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 23 Apr 2006 21:00:57 -0400
> From: Jason <jason monsterjam org>
> Subject: Re: [Linux-cluster] where are built GFS rpms?, and upgrade
>        question
> To: linux clustering <linux-cluster redhat com>
> Message-ID: <20060424010057 GA53613 monsterjam org>
> Content-Type: text/plain; charset=us-ascii
>
> On Fri, Apr 21, 2006 at 03:25:11PM -0500, John Griffin-Wiesner wrote:
> > Two questions:
> >
> > 1.  I can find src.rpm's but no built GFS rpm's for rhel 3U7.
> > I believe that should be GFS-6.0.2.30-0.  Can someone
> > tell me where those are hiding?  Or do we all have to build
> > those ourselves now?
>
> http://www.gyrate.org/archives/9
>
>
>
> ------------------------------
>
> Message: 2
> Date: Mon, 24 Apr 2006 05:59:24 +0200 (MEST)
> From: "wolfgang pauli" <ookami gmx de>
> Subject: [Linux-cluster] different subnets/ manual fencing
> To: linux-cluster redhat com
> Message-ID: <30320 1145851164 www075 gmx net>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi,
>
> I spent the whole day (sunday) trying to get this working...
> I guess these two questions might solve the issue.
>
> 1. Can I have a cluster span over more than one subnet?
>
> 2. When I try to start the cluster software, I always have to start it on
> all nodes at the same time. If I don't do it, startup will hang while
> fenced is starting up. I am using manual fencing. Probably the default
> configuration. The problem is that some of the nodes produce
> kernel-panics (when starting cman). so i would like to start the nodes
> one by one and test what the problem is.
>
> <fence_daemon post_fail_delay="5" post_join_delay="20"/>
> ...
> <clusternode name="eon" votes="1">
>  <fence>
>  <method name="1">
>  <device name="human" nodename="eon"/>
>  </method>
>  </fence>
> </clusternode>
> ...
> <fencedevices>
>  <fencedevice agent="fence_manual" name="human"/>
> </fencedevices>
>
> --
>
>
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>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 24 Apr 2006 08:24:20 +0100
> From: Patrick Caulfield <pcaulfie redhat com>
> Subject: Re: [Linux-cluster] different subnets/ manual fencing
> To: linux clustering <linux-cluster redhat com>
> Message-ID: <444C7D24 4090504 redhat com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> wolfgang pauli wrote:
> > Hi,
> >
> > I spent the whole day (sunday) trying to get this working...
> > I guess these two questions might solve the issue.
> >
> > 1. Can I have a cluster span over more than one subnet?
>
> Yes, but you'll need to configure it for multicas rather than broadcast - and
> make sure that any intervening routers are good enough.
>
> > 2. When I try to start the cluster software, I always have to start it on
> > all nodes at the same time. If I don't do it, startup will hang while
> > fenced is starting up. I am using manual fencing. Probably the default
> > configuration. The problem is that some of the nodes produce
> > kernel-panics (when starting cman).
>
> I'd like to see those please.
>
> so i would like to start the nodes
> > one by one and test what the problem is.
> >
> > <fence_daemon post_fail_delay="5" post_join_delay="20"/>
> > ...
> > <clusternode name="eon" votes="1">
> >  <fence>
> >   <method name="1">
> >   <device name="human" nodename="eon"/>
> >   </method>
> >  </fence>
> > </clusternode>
> > ...
> > <fencedevices>
> >  <fencedevice agent="fence_manual" name="human"/>
> > </fencedevices>
> >
>
>
> --
>
> patrick
>
>
>
> ------------------------------
>
> Message: 4
> Date: Mon, 24 Apr 2006 13:26:11 +0200
> From: Alain Moulle <Alain Moulle bull net>
> Subject: [Linux-cluster] Re: CS4 Update 2 / GUI problem ?
> To: linux-cluster redhat com
> Message-ID: <444CB5D3 5010408 bull net>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Thanks Jim, it was effectively the problem : the second step
> about managing the fence for each node was missing (but there
> is nothing in documentation about this step and dialog boxes ...)
>
> Another problem/question:
> when you have finished the 3 nodes cluster configuration,
> and Save the file in /etc/cluster/cluster.conf on local node,
> the Icon "Send to Cluster" is not available because the
> cs4 is not active at the moment. But with three nodes,
> even if you try to start the cs4 on this local node (where
> I've done the configuration) , it can't start alone because
> the cluster is not quorate ... and you can't start cman
> on other nodes, it seems that the start is failed because
> of no cluster.conf currently on the node.
>
> So, do we have to do manually the mkdir /etc/cluster on
> both other nodes, and scp of cluster.conf towards both nodes ?
> Or is there another tip via GUI to start the cs4 on three
> nodes despite two nodes have not yet any cluster.conf available ?
>
> Thanks
> Alain Moullé
>
>
>
>
>
>
> ------------------------------
>
> Message: 5
> Date: Mon, 24 Apr 2006 13:38:16 +0200
> From: Alain Moulle <Alain Moulle bull net>
> Subject: [Linux-cluster] Re: CS4 Update 2 / GUI problem ?
> To: linux-cluster redhat com
> Message-ID: <444CB8A8 3060502 bull net>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Alain Moulle wrote:
> > Thanks Jim, it was effectively the problem : the second step
> > about managing the fence for each node was missing (but there
> > is nothing in documentation about this step and dialog boxes ...)
> >
> > Another problem/question:
> > when you have finished the 3 nodes cluster configuration,
> > and Save the file in /etc/cluster/cluster.conf on local node,
> > the Icon "Send to Cluster" is not available because the
> > cs4 is not active at the moment. But with three nodes,
> > even if you try to start the cs4 on this local node (where
> > I've done the configuration) , it can't start alone because
> > the cluster is not quorate ... and you can't start cman
> > on other nodes, it seems that the start is failed because
> > of no cluster.conf currently on the node.
> >
> > So, do we have to do manually the mkdir /etc/cluster on
> > both other nodes, and scp of cluster.conf towards both nodes ?
> > Or is there another tip via GUI to start the cs4 on three
> > nodes despite two nodes have not yet any cluster.conf available ?
> >
> > Thanks
> > Alain Moullé
>
> More information :
>
> in fact, when I started cman on nodes without cluster/cluster.conf,
> they effectuvely (as expected) got a cluster.conf from another node
> connected, but they take the cluster.conf from another HA pair cluster,
> not from the third node of this current cluster !!!!
> So that's why the start fails ...
> Which is the algorythm of search when a node has no cluster.conf available ?
>
> Thanks
> Alain Moullé
>
>
>
>
>
>
> ------------------------------
>
> Message: 6
> Date: Mon, 24 Apr 2006 08:57:13 -0400
> From: James Parsons <jparsons redhat com>
> Subject: Re: [Linux-cluster] Re: CS4 Update 2 / GUI problem ?
> To: linux clustering <linux-cluster redhat com>
> Message-ID: <444CCB29 9060109 redhat com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Alain Moulle wrote:
>
> >Thanks Jim, it was effectively the problem : the second step
> >about managing the fence for each node was missing (but there
> >is nothing in documentation about this step and dialog boxes ...)
> >
> >Another problem/question:
> >when you have finished the 3 nodes cluster configuration,
> >and Save the file in /etc/cluster/cluster.conf on local node,
> >the Icon "Send to Cluster" is not available because the
> >cs4 is not active at the moment. But with three nodes,
> >even if you try to start the cs4 on this local node (where
> >I've done the configuration) , it can't start alone because
> >the cluster is not quorate ... and you can't start cman
> >on other nodes, it seems that the start is failed because
> >of no cluster.conf currently on the node.
> >
> >So, do we have to do manually the mkdir /etc/cluster on
> >both other nodes, and scp of cluster.conf towards both nodes ?
> >Or is there another tip via GUI to start the cs4 on three
> >nodes despite two nodes have not yet any cluster.conf available ?
> >
> Yes, Alain. Currently, you must manually scp the cluster.conf to each
> node before starting the cluster. This requirement is considered
> unacceptable, however, and ease of cluster deployment is being
> aggressively pursued in two projects here.
>
> The first is an app called deploy-tool, which pulls down the necessary
> RPMs onto the machines desired as cluster nodes, and installs them AND
> copies a preliminary cluster.conf file to each node. Finally, it starts
> the cluster service daemons on each node.
>
> The second project with ease of cluster deployment as an important
> objective is the Conga project. It will provide a remote method for
> deploying clusters, configuring and monitoring them, and even adding and
> removing nodes. It will also offer remote storage management and a few
> other fun things as well.
>
> Conga and deploy-tool are both in active development, and deploy-tool is
> being beta tested now.
>
> Regards,
>
> -Jim
>
> >
> >Thanks
> >Alain Moullé
> >
> >
> >
> >
> >--
> >Linux-cluster mailing list
> >Linux-cluster redhat com
> >https://www.redhat.com/mailman/listinfo/linux-cluster
> >
> >
>
>
>
>
> ------------------------------
>
> Message: 7
> Date: Mon, 24 Apr 2006 18:35:26 +0400
> From: <proftpd rodriges spb ru>
> Subject: [Linux-cluster] GFS
> To: linux-cluster redhat com
> Message-ID: <web-16582530 eltel net>
> Content-Type: text/plain; charset="KOI8-R"
>
> Hello.
>
> I'm use GFS only for share one iSCSI target between 2
> initiators. I'm really don't need create a cluster among
> those two nodes. I'm install GFS,GFS-kernel,fence,ccs and
> others packages, install iSCSI-initiator and even create
> gfs-file system, but then i'm going to mount gfs i received
>
> [root initiator src]# mount -t gfs /dev/sda1 /mnt/w/
> mount: Transport endpoint is not connected
>
> I haven't any idea about /etc/cluster/cluster.conf file -
> It's really necessary to create them. I'm simply want to
> share one iSCSI target between 2 hosts. Can i achive
> without creating a cluster???
>
>
>
> ------------------------------
>
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> End of Linux-cluster Digest, Vol 24, Issue 35
> *********************************************
>


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