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DEVOPSZONES

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    Cluster


    1. How to Patch a TWO-NODE Cluster ?
    2. Do I have to run "hastart" on each node to manually startup the cluster? 
    3. How do I start VCS when one node is down?  
    4. GAB Driver And VCS Seeding  
    5. VCS ports 
    6.  VCS reports a "Concurrency Violation", and tries to offline that process. What is this, and is it bad?
    7. I need to work with a resource inside a Service Group, but I don't want to cause the Group to fault. What do I need to do?  
    8. I just added a DiskGroup to VCS, and VCS offlined everything. Why?  
    9.  What is the difference between freezing the system and freezing a Group? Which is better for maintenance?
    10. Does VCS require "shared disks"? 
    11.  Can I run different versions of VCS in the same cluster?
    12. Do I need to create the same VxVM DiskGroup on both machines? 
    13. Does VCS require license keys to run? 
    14. What does autodisable mean? Why did VCS autodisable my Service Group? 
    15. Can different Resources have the same name if they are in different Service Groups? 
    16. Can I use vi to edit main.cf? 
    17. How do I add another Service Group to main.cf?  
    18. Should I put everything in one Service Group, or should I have more than one Service Group?  
    19.  Does each Service Group have its own IP and DiskGroup?
    20. What's the difference between Agents and Resources? 
    21. Is offlining a Service Group the same thing as failing it over? What does offline mean? 
    22. How do I failover a Service Group? 
    23. How can I shutdown VCS without shutting down my applications? 
    24.  How do I start VCS when one node is down? 
    25.  Do I have to run "hastart" on each node to manually startup the cluster? 
    26.  

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