zstack 版本升级

概述

今天看了下官网的zstack的安装镜像，发现2018-3-24有一次发布，由于本地是测试环境，并且我没有尝试过升级zstack，因此就打算升级一下zstack

升级前要知道的事情

首先官网上说zstack是支持两种升级方式，一种是增量升级一种是离线升级，增量方便，虽然不知道两种方式区别是什么，可是我选择了增量升级，可能就是软件源一个用线上，一个就是直接用本地的iso了吧，并且在升级前要对数据库作一个备份。还要知道一点的是，你只须要升级你的管理节点就行了，计算节点会自动升级的

备份数据库

ssh进管理节点输入下面命令dump出数据库 zstack-ctl dump_mysql

[root@MiWiFi-R1CM-srv ~]# zstack-ctl dump_mysql 
Backup mysql successfully! You can check the file at /var/lib/zstack/mysql-backup/zstack-backup-db-2018-03-26_14-22-38.gz

升级

接着wget下安装包 wget http://cdn.zstack.io/product_downloads/zstack-enterprise/enterprise2.3/ZStack-installer-2.3.0.495.bin 下载完成输入下面命令直接升级 bash ZStack-installer-2.3.0.495.bin -u 记住全程要能够连上互联网，否则使用离线升级，整个升级过程很流畅，速度也挺快，多是由于版本之间变化不大的缘故吧

[root@MiWiFi-R1CM-srv ~]# bash ZStack-installer-2.3.0.495.bin -u
 _________ _____  _    ____ _  __
|__  / ___|_   _|/ \  / ___| |/ /
  / /\___ \ | | / _ \| |   | ' / 
 / /_ ___) || |/ ___ \ |___| . \ 
/____|____/ |_/_/   \_\____|_|\_\
                                 
         ____    _____  ___  _  _   ___  ____  
__   __ |___ \  |___ / / _ \| || | / _ \| ___| 
\ \ / /   __) |   |_ \| | | | || || (_) |___ \ 
 \ V /   / __/ _ ___) | |_| |__   _\__, |___) |
  \_/   |_____(_)____(_)___(_) |_|   /_/|____/ 
                                               
 ___ _   _ ____ _____  _    _     _        _  _____ ___ ___  _   _ 
|_ _| \ | / ___|_   _|/ \  | |   | |      / \|_   _|_ _/ _ \| \ | |
 | ||  \| \___ \ | | / _ \ | |   | |     / _ \ | |  | | | | |  \| |
 | || |\  |___) || |/ ___ \| |___| |___ / ___ \| |  | | |_| | |\  |
|___|_| \_|____/ |_/_/   \_\_____|_____/_/   \_\_| |___\___/|_| \_|
                                                                   

 1. Check Repo Version:
    Check local repo version: ... PASS

 2. Check System:
    Pre-Checking: ... PASS
    Check System: ... PASS
    Update Package Repository: ... PASS

 3. Get ZStack:
    Download ZStack package: ... PASS
    Unpack ZStack package: ... PASS

 4. Upgrade ZStack:
    Upgrade apache-tomcat: ... PASS
    Upgrade zstack-ctl: ... PASS
    Install General Libraries (takes a couple of minutes): ... PASS
    Stop ZStack: ... PASS
    Upgrade ZStack: ... PASS
    Add cronjob to clean logs: ... PASS
    Enable ZStack bootstrap service: ... PASS
    Enable NTP: ... PASS
    Config zstack.properties: ... PASS
    Append iptables: ... PASS
    Install ZStack Web UI (takes a couple of minutes): ... PASS
    Start ZStack management node (takes a couple of minutes): ... PASS
    Start ZStack Web UI: ... PASS

______________________________________________________________________________________________________________________________________________________________________________________________
ZStack in /usr/local/zstack has been successfully upgraded to version: 2.3.0.495

 Management node has been started up again. You can use `zstack-ctl status` to check its status.

 zstack-ui has been upgraded.

 zstack-ui has been started up again.

 Your old zstack was saved in /usr/local/zstack/upgrade/2018-03-26-14-28-22
______________________________________________________________________________________________________________________________________________________________________________________________

并且升级的时候我还开着一些虚拟机，也没有出现一些异常

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