Who take the resources?
What are you concerns about fence_scsi?
fence_scsi in redhat 5.X doesn't reboot the node, the fenced node neve release the resources
Why redhat made the qdisk as Tie-breakers and some people from support say it's one optional or some time says is not needed?
Il giorno 12 aprile 2012 17:51, Ryan O'Hara <rohara@xxxxxxxxxx> ha scritto:
On 04/12/2012 10:18 AM, emmanuel segura wrote:How? What fence agent are you using? I've used this configuration for years and never had data corruption.
That's right
you'll found your cluster partitioned and if you "<cman two_node="1"
expected_votes="1">" as redhat setting our cluster maybe you get data
corruption
What are you concerns about fence_scsi?
Because every node can operate with one vote an rich the quorum state
Forse the fencing problem redhat implement a work around as permanent
solution
fence delay for some cluster agents
For fence_scsi in Redhat 5.X the redhat support says it's ok for production
BAAAAA not tre
Can you explain why qdisk would be required?
AND i the redhat technical tells the cluster don't require the quorum disk
UMMMMMMMMMMMMM
Ryan
A qdisk is just another way to maintain quorum in cluster. there is a------------------------------
special two node cluster mode designed to allow for quorum to be maintained
by the surviving node.
<cman two_node="1" expected_votes="1">
</cman>
But it's not very clear to me what happens with fencing if both nodes
get partitioned on the network. Do they both try to fence each other off ?
--
Dan
*From:* linux-cluster-bounces@redhat.com [linux-cluster-bounces@redhat.com] *Sent:* Thursday, April 12, 2012 9:25 AM
*To:* linux clustering
*Subject:* Redhat without qdisk
Hello all List
I have a big question about qdisk in a two cluster
one of out clients has too many cluster in two nodes configuration and one
RedHat technical came to us and said that there is no need to use the
qdisk
I would to know if this is true
I really think it's a bad idea
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