IP address on the heartbeats - Veritas Cluster Server

This is a discussion on IP address on the heartbeats - Veritas Cluster Server ; Is there a benifit of putting an IP address on the heartbeat links, even though they do not need the IP stack? And does the interfaces need to be plumb if there is no IP stack....

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Thread: IP address on the heartbeats

  1. IP address on the heartbeats


    Is there a benifit of putting an IP address on the heartbeat links, even though
    they do not need the IP stack? And does the interfaces need to be plumb if
    there is no IP stack.

  2. Re: IP address on the heartbeats

    Under Solaris you need to plumb the interfaces and have an IPs assigned
    for VCS to use them. Can't speak to other OSs.

  3. Re: IP address on the heartbeats

    You need to plumb the interfaces, but IPs are not needed. At least for VCS
    1.2 and above.

    Andy


    "James Adams" wrote in message
    news:3E1D7562.F0FAE42E@compuserve.com...
    > Under Solaris you need to plumb the interfaces and have an IPs assigned
    > for VCS to use them. Can't speak to other OSs.




  4. Re: IP address on the heartbeats

    There is absolutely no need to plumb or assign IP-addresses on the NIC's
    used as private heartbeats. VCS will take care of all necessary
    configurations by itself. (This is from version 1.3 and later, don't
    know about previous versions)

    /Peter

    Bom Sander wrote:
    > Is there a benifit of putting an IP address on the heartbeat links, even though
    > they do not need the IP stack? And does the interfaces need to be plumb if
    > there is no IP stack.



  5. Re: IP address on the heartbeats

    From Veritas TechNote 235077

    This means the IP, IPMultiNIC, Network Interface Card (NIC),
    IPMultiNICB, MultiNICA and MultiNICB resources need to "see" the NIC
    interface up with an administrative IP address before these resources
    can function correctly. In the case of the MultiNICA resource, only
    the first listed interface should be configured by the operating system
    at boot. This is required so that VCS can probe and determine the
    status of the NIC, MultiNICB or MultiNICA resources when the cluster
    starts.

  6. Re: IP address on the heartbeats

    Yes, public NIC's need to be plumbed and have assigned IP-addresses to
    them, but this it not the case with the PRIVATE HEARTBEATS. This is
    because VCS uses it's LLT protocol, hence there is no need to use the
    IP-stack (i.e. no plumbed NIC's or IP-addresses). The technote below
    only describes IP based resources
    ..

    James Adams wrote:
    > From Veritas TechNote 235077
    >
    > This means the IP, IPMultiNIC, Network Interface Card (NIC),
    > IPMultiNICB, MultiNICA and MultiNICB resources need to "see" the NIC
    > interface up with an administrative IP address before these resources
    > can function correctly. In the case of the MultiNICA resource, only
    > the first listed interface should be configured by the operating system
    > at boot. This is required so that VCS can probe and determine the
    > status of the NIC, MultiNICB or MultiNICA resources when the cluster
    > starts.



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