[Linux-cluster] Cluster node hangs
ekuric at redhat.com
Sun Feb 13 09:52:51 UTC 2011
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?
>> Linux-cluster mailing list
>> Linux-cluster at redhat.com
> 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:
Edit: above link, section 3.4Special Considerations when Mounting GFS2
> Linux-cluster mailing list
> Linux-cluster at redhat.com
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