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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9782) Host HA
Date Mon, 27 Feb 2017 14:20:45 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15885849#comment-15885849
] 

ASF GitHub Bot commented on CLOUDSTACK-9782:
--------------------------------------------

Github user DaanHoogland commented on a diff in the pull request:

    https://github.com/apache/cloudstack/pull/1960#discussion_r103212736
  
    --- Diff: api/src/org/apache/cloudstack/api/command/admin/ha/DisableHAForZoneCmd.java
---
    @@ -0,0 +1,115 @@
    +// Licensed to the Apache Software Foundation (ASF) under one
    +// or more contributor license agreements.  See the NOTICE file
    +// distributed with this work for additional information
    +// regarding copyright ownership.  The ASF licenses this file
    +// to you under the Apache License, Version 2.0 (the
    +// "License"); you may not use this file except in compliance
    +// with the License.  You may obtain a copy of the License at
    +//
    +//   http://www.apache.org/licenses/LICENSE-2.0
    +//
    +// Unless required by applicable law or agreed to in writing,
    +// software distributed under the License is distributed on an
    +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    +// KIND, either express or implied.  See the License for the
    +// specific language governing permissions and limitations
    +// under the License.
    +
    +package org.apache.cloudstack.api.command.admin.ha;
    +
    +import com.cloud.dc.DataCenter;
    +import com.cloud.event.EventTypes;
    +import com.cloud.exception.ConcurrentOperationException;
    +import com.cloud.exception.InsufficientCapacityException;
    +import com.cloud.exception.NetworkRuleConflictException;
    +import com.cloud.exception.ResourceAllocationException;
    +import com.cloud.exception.ResourceUnavailableException;
    +import org.apache.cloudstack.acl.RoleType;
    +import org.apache.cloudstack.api.APICommand;
    +import org.apache.cloudstack.api.ApiArgValidator;
    +import org.apache.cloudstack.api.ApiConstants;
    +import org.apache.cloudstack.api.ApiErrorCode;
    +import org.apache.cloudstack.api.BaseAsyncCmd;
    +import org.apache.cloudstack.api.BaseCmd;
    +import org.apache.cloudstack.api.Parameter;
    +import org.apache.cloudstack.api.ServerApiException;
    +import org.apache.cloudstack.api.response.SuccessResponse;
    +import org.apache.cloudstack.api.response.ZoneResponse;
    +import org.apache.cloudstack.context.CallContext;
    +import org.apache.cloudstack.ha.HAConfigManager;
    +
    +import javax.inject.Inject;
    +
    +@APICommand(name = DisableHAForZoneCmd.APINAME, description = "Disables HA for a zone",
    --- End diff --
    
    naming: see disable cluster cmd


> Host HA
> -------
>
>                 Key: CLOUDSTACK-9782
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9782
>             Project: CloudStack
>          Issue Type: New Feature
>      Security Level: Public(Anyone can view this level - this is the default.) 
>            Reporter: Rohit Yadav
>            Assignee: Rohit Yadav
>             Fix For: Future, 4.11.0.0
>
>
> CloudStack lacks a way to reliably fence a host, the idea of the host-ha feature is to
provide a general purpose HA framework and implementation specific for hypervisor that can
use additional mechanism such as OOBM (ipmi based power management) to reliably investigate,
recover and fencing a host. This feature can handle scenarios associated with server crash
issues and reliable fencing of hosts and HA of VM.
> FS: https://cwiki.apache.org/confluence/display/CLOUDSTACK/Host+HA



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