Results 1 to 3 of 3

Thread: IPMI Fencing for ZCS Cluster

  1. #1
    2myhre is offline Trained Alumni
    Join Date
    Apr 2008
    Posts
    5
    Rep Power
    6

    Default IPMI Fencing for ZCS Cluster

    I recently completed the setup of a single cluster node install for ZCS. It works great if a service fails. Now the issue is loss of network connectivity. If I unplug the nic on node mail1 it immediately tries to fence node mail2. Node mail2 does the same and neither can successfully fence the other causing the process to stop.

    Is there a way out of this lovely little mess.

  2. #2
    pbruna is offline Project Contributor
    Join Date
    Feb 2006
    Posts
    90
    Rep Power
    9

    Default

    maybe with redundancy at nic level? Bonding?

  3. #3
    Klug's Avatar
    Klug is offline Moderator
    Join Date
    Mar 2006
    Location
    Beaucaire, France
    Posts
    2,292
    Rep Power
    13

    Default

    Quote Originally Posted by 2myhre View Post
    Now the issue is loss of network connectivity. If I unplug the nic on node mail1 it immediately tries to fence node mail2. Node mail2 does the same and neither can successfully fence the other causing the process to stop.
    AFAIK, this is normal.

    If node2 can not "see" node1 anymore, it will migrated the services to itself and shutdown node1. And it's obviously the same the other way round.

    As pbruna suggested, if you want to avoid loss of network connectivity between the nodes, you need to remove the SPOFs between the node... That means at least two NICs per nodes, with two network switches (on two different power supplies), etc etc etc

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. Replies: 6
    Last Post: 07-18-2010, 10:31 PM
  2. Cannot start cluster on rhel 4 with ZCS 5.0.5
    By aberkram in forum Installation
    Replies: 5
    Last Post: 06-12-2008, 09:14 AM
  3. Cluster Install Question
    By node_runner in forum Installation
    Replies: 7
    Last Post: 04-12-2008, 04:15 AM
  4. zcs Red Cat cluster (4) installation problem
    By alessio in forum Installation
    Replies: 3
    Last Post: 02-21-2008, 08:18 AM
  5. Zimbra cluster and postfix smtp_bind_address
    By Lebha in forum Administrators
    Replies: 8
    Last Post: 02-05-2008, 02:35 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •