[Linux-cluster] Cluster node hangs

[dOminic]

Hi,

Whats the msg you are getting in logs ?. It would be great if you could
attach log mesgs along with cluster.conf

-dominic


On Sun, Feb 13, 2011 at 3:49 PM, Sachin Bhugra <sachinbhugra at hotmail.com>wrote:

>  Thank for the reply and link. However, GFS2 is not listed in fstab, it is
> only handled by cluster config.
>
> ------------------------------
> Date: Sun, 13 Feb 2011 10:52:51 +0100
> From: ekuric at redhat.com
> To: linux-cluster at redhat.com
> Subject: Re: [Linux-cluster] Cluster node hangs
>
>
> On 02/13/2011 10:41 AM, Elvir Kuric wrote:
>
> On 02/13/2011 10:14 AM, Sachin Bhugra wrote:
>
> Hi ,
>
> I have setup a two node cluster in lab, with Vmware Server, and hence used
> manual fencing. It includes a iSCSI GFS2 partition and it service Apache in
> Active/Passive mode.
>
> Cluster works and I am able to relocate service between nodes with no
> issues. However, the problem comes when I shutdown the node, for testing,
> which is presently holding the service. When the node becomes unavailable,
> service gets relocated and GFS partition gets mounted on the other node,
> however it is not accessible. If I try to do a "ls/du" on GFS partition, the
> command hangs. On the other hand the node which was shutdown gets stuck at
> "unmounting file system".
>
> I tried using fence_manual -n nodename and then fence_ack_manual -n
> nodename, however it still remains the same.
>
> Can someone please help me is what I am doing wrong?
>
> Thanks,
>
>
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>
>  It would be good to see  /etc/fstab configuration used on cluster nodes.
> If /gfs partition is mounted manually it will not be unmounted correctly in
> case you restart node ( and not executing umount prior restart ), and will
> hang during shutdown/reboot process.
>
> More at:
> http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html-single/Global_File_System_2/index.html
>
>
> Edit: above link, section 3.4 Special Considerations when Mounting GFS2
> File Systems
>
>
>
> Regards,
>
> Elvir
>
>
>
>
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>
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