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From rhtyd <...@git.apache.org>
Subject [GitHub] cloudstack pull request #1960: [4.11/Future] CLOUDSTACK-9782: Host HA and KV...
Date Mon, 27 Feb 2017 08:09:28 GMT
GitHub user rhtyd reopened a pull request:

    https://github.com/apache/cloudstack/pull/1960

    [4.11/Future] CLOUDSTACK-9782: Host HA and KVM HA provider

    Host-HA offers investigation, fencing and recovery mechanisms for host that for
    any reason are malfunctioning. It uses Activity and Health checks to determine
    current host state based on which it may degrade a host or try to recover it. On
    failing to recover it, it may try to fence the host.
    
    The core feature is implemented in a hypervisor agnostic way, with two separate
    implementations of the driver/provider for Simulator and KVM hypervisors. The
    framework also allows for implementation of other hypervisor specific provider
    implementation in future.
    
    The Host-HA provider implementation for KVM hypervisor uses the out-of-band
    management sub-system to issue IPMI calls to reset (recover) or poweroff (fence)
    a host.
    
    The Host-HA provider implementation for Simulator provides a means of testing 
    and validating the core framework implementation.
    
    FS: https://cwiki.apache.org/confluence/display/CLOUDSTACK/Host+HA
    
    Signed-off-by: Abhinandan Prateek <abhinandan.prateek@shapeblue.com>
    Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/shapeblue/cloudstack host-ha-master

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/cloudstack/pull/1960.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1960
    
----
commit 24ec0dd70a97be738e18cc66a6ec0401edd7f32f
Author: Rohit Yadav <rohit.yadav@shapeblue.com>
Date:   2017-02-15T12:06:18Z

    CLOUDSTACK-9782: Host HA and KVM HA provider
    
    Host-HA offers investigation, fencing and recovery mechanisms for host that for
    any reason are malfunctioning. It uses Activity and Health checks to determine
    current host state based on which it may degrade a host or try to recover it. On
    failing to recover it, it may try to fence the host.
    
    The core feature is implemented in a hypervisor agnostic way, with two separate
    implementations of the driver/provider for Simulator and KVM hypervisors. The
    framework also allows for implementation of other hypervisor specific provider
    implementation in future.
    
    The Host-HA provider implementation for KVM hypervisor uses the out-of-band
    management sub-system to issue IPMI calls to reset (recover) or poweroff (fence)
    a host.
    
    The Host-HA provider implementation for Simulator provides a means of testing
    and validating the core framework implementation.
    
    Signed-off-by: Abhinandan Prateek <abhinandan.prateek@shapeblue.com>
    Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

----


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