环境
oVrit版本: 4.4.10
oVirt image: https://mirrors.aliyun.com/ovirt/ovirt-4.4/iso/ovirt-node-ng-installer/4.4.10-2022030308/el8/ovirt-node-ng-installer-4.4.10-2022030308.el8.iso?spm=a2c6h.25603864.0.0.46c8a3e6ELIYzK
oVirt engine appliance: https://mirrors.aliyun.com/ovirt/ovirt-4.4/rpm/el8/x86_64/ovirt-engine-appliance-4.4-20220308105414.1.el8.x86_64.rpm?spm=a2c6h.25603864.0.0.3bfc4453NnSFms
virt-viewer: https://releases.pagure.org/virt-viewer/virt-viewer-x64-11.0-1.0.msi
virtio-win<windows磁盘驱动>: https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/virtio-win-0.1.229-1/
参考文档: https://www.cnovirt.com/archives/2739
交换机网口绑定请参考: https://blog.csdn.net/weixin_43667733/article/details/106363918
备注: 每个服务有2块硬盘,一块用于系统盘,一块用于glusterfs数据盘;生产环境建议系统盘做RAID 1, 两个固态硬盘做RAID 1用于GFS缓存,4块10K盘(15K SAS硬盘或SSD盘做RAID 10或RAID 5)做RAID 10;
网络环境建议最低两个1000M端口做绑定,有条件的可以上光口;注意需要先在oVirt engine管理页面做完端口绑定后再在交换机上配置物理接口端口绑定(LACP)
Node:
主机名: node100.com
IP: 192.168.5.100
子网掩码: 255.255.255.0
网关: 192.168.5.1
主机名: node101.com
IP: 192.168.5.101
子网掩码: 255.255.255.0
网关: 192.168.5.1
主机名: node102.com
IP: 192.168.5.102
子网掩码: 255.255.255.0
网关: 192.168.5.1
Engine<以虚拟机运行在node上>:
主机名: engine103.com
IP: 192.168.5.103
子网掩码: 255.255.255.0
网关: 192.168.5.1
操作步骤
oVirt节点安装请参考https://www.cnovirt.com/archives/2739,注意不需要更新系统。
在3台node主机上设置hosts解析
[root@node100 yum.repos.d]# cat /etc/hosts127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6192.168.5.100 node100.com192.168.5.101 node101.com192.168.5.102 node102.com192.168.5.103 engine103.com
将3个node节点上的/etc/yum.repos.d/文件备份到backup目录下
备注: /etc/yum.repos.d目录下建议为空,否则后续安装gfs时容易报错或执行过程卡住
[root@node100 yum.repos.d]# cd /etc/yum.repos.d[root@node100 yum.repos.d]# mkdir backup && mv *.repo backup
在其中一个node节点上设置到所有节点的ssh免密登录,此处在node100上操作
[root@node100 home]# ssh-keygenGenerating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): Created directory '/root/.ssh'.Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /root/.ssh/id_rsa. Your public key has been saved in /root/.ssh/id_rsa.pub. The key fingerprint is: SHA256:zblxgJtmcmXSzb1UJDZfW1H5QzUCLiXH6/Z+L3zJMvM root@node100.com The key's randomart image is: +---[RSA 3072]----+| ..+..++%|| o=+ o.B=|| o.=.+ +.o|| O.+ . o.|| . S * . . .|| = * || o ... .|| =o+.|| ..*Eo|+----[SHA256]-----+
将公钥复制到3个node节点上
[root@node100 home]# ssh-copy-id -i node100.com/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub"The authenticity of host 'node210.com (192.168.5.100)' can't be established. ECDSA key fingerprint is SHA256:guijB0PYTD0GEWvjAe2cIcQsFrgPqyz/RA9dBK47G0Q. Are you sure you want to continue connecting (yes/no/[fingerprint])? yes /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys root@node100.com's password: Number of key(s) added: 1Now try logging into the machine, with: "ssh 'node100.com'"and check to make sure that only the key(s) you wanted were added.[root@node100 home]# ssh-copy-id -i node101.com/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub"The authenticity of host 'node211.com (192.168.5.101)' can't be established. ECDSA key fingerprint is SHA256:+fF+ihZRIyOKRHRlxdp5W3Mjbv/GuOrhbL2Qx+TeY50. Are you sure you want to continue connecting (yes/no/[fingerprint])? yes /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys root@node101.com's password: Number of key(s) added: 1Now try logging into the machine, with: "ssh 'node101.com'"and check to make sure that only the key(s) you wanted were added.[root@node100 home]# ssh-copy-id -i node102.com/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub"The authenticity of host 'node212.com (192.168.5.102)' can't be established. ECDSA key fingerprint is SHA256:zLUCpZoeljM6hDMZJkLXs+RSBlh9O1wZ/p3ThNNPRhE. Are you sure you want to continue connecting (yes/no/[fingerprint])? yes /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys root@node102.com's password: Number of key(s) added: 1Now try logging into the machine, with: "ssh 'node102.com'"and check to make sure that only the key(s) you wanted were added.
下载ovirt-engine-appliance-4.4-20220308105414.1.el8.x86_64.rpm并安装
[root@node100 src]# pwd/data/src[root@node100 src]# lsovirt-engine-appliance-4.4-20220308105414.1.el8.x86_64.rpm[root@node100 src]# rpm -ivh ovirt-engine-appliance-4.4-20220308105414.1.el8.x86_64.rpmwarning: ovirt-engine-appliance-4.4-20220308105414.1.el8.x86_64.rpm: Header V4 RSA/SHA256 Signature, key ID fe590cb7: NOKEY Verifying... ################################# [100%]Preparing... ################################# [100%]Updating / installing... 1:ovirt-engine-appliance-4.4-202203################################# [100%]
安装完成后,通过浏览器打开这台主机的Web控制台(即Cockpit),地址为:https://192.168.5.100:9090(注意IP地址替换成你实际环境的),使用root帐号登录,如下:
进入HostedEngine页面,点击“Hyperconverged”向导的“Start”按钮,开始部署过程,会先部署Gluster再部署HostedEngine,如下:
选择“Run Gluster Wizard”向导,如下:
选中“Use same hostname for Storage and Public Network”,表示为存储网和管理网使用同一个网络,因为测试环境只配置了一个网卡,然后下面分别输入Host1、Host2、Host3的域名,如下<此处根据实际情况填写,应该为node100.com, node101.com, node102.com>:
Packages这一步不用配置,直接下一步即可,如下:
Volumes步骤保持默认,下一步,如下:
Bricks这一步中,Raid Type这里我们选择“JBOD”<即直通模式>,因为我们每台主机上的数据盘是单独的一块盘,如果实际环境中是多块盘做的Raid,那么就根据实际情况选择“Raid5或者Raid6”,Blacklist Gluster Devices这里默认选中即可,下面的Device Name注意要与你环境中的实际情况对应,这里默认是“/dev/sda”,和我们测试环境是对应的,sda是我们每台主机预留出来的一块用于部署Gluster的磁盘,后面的LV Size累加起来不能超过sda的实际大小,如果有SSD盘的话,可以使用下面的“Configuer LV Cache”配置缓存盘,本次测试环境中没有多余的SSD就不配置了,Device Name下的磁盘根据实际填写, LV Size按最小的磁盘总容量进行划分,如下:
下面执行部署过程即可了,这里选中“Enable Debug Logging”,以方便部署失败时排查错误原因,如下:
注意 在执行安装前建议查看下3个节点上的/etc/lvm/lvm.conf,大概在390行左右将filter = [“a|^/dev/disk/by-id/lvm-pv-uuid-f91KVb-cmFk-41ty-JiUE-oB6I-Tbk1-J77Y1h$|”, “r|.*|”]注释了,如下所示:
部署成功如下所示,点击”Continue to Hosted Engine Deployment”继续部署HostedEngine:
6. hosted engine部署如下,并点击下一步
7. 配置glusterfs并点击下一步
8. 点击”Finish Deployment”完成engine部署
部署成功如下所示
通过SSH连接engine服务器设置主机解析
[root@engine103 ~]# cat /etc/hosts127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6192.168.5.100 node100.com192.168.5.101 node101.com192.168.5.102 node102.com192.168.5.103 engine103.com
在C:\Windows\System32\drivers\etc\hosts中添加engine主机名解析
192.168.5.100 node100.com192.168.5.101 node101.com192.168.5.102 node102.com192.168.5.103 engine103.com
访问engine web管理页面,下载CA证书并导入为”受信任的根证书颁发机构”
点击”管理门户”
使用admin和部署engine过程设置的密码登录在”计算”->”主机”添加主机节点
点击“新建”按钮,进入新建主机弹出窗,在“常规”标签页面,输入要添加的主机的名称、主机名和root密码,在“承载的引擎”标签页面,选择“部署”(注意这里一定要选,否则HostedEngine管理虚机无法实现迁移和高可用),如下:
点确定时会弹出没有配置电源管理的提醒,这里先不配,直接点确定即可,生产环境中建议要配置电源管理,否则会影响高可用功能;使用同样的操作方法添加第三台主机;
查看执行任务ssh连接node100查看hosted engine虚拟机状态
[root@node100 ~]# hosted-engine --vm-status--== Host node100.com (id: 1) status ==-- Host ID : 1Host timestamp : 93629Score : 3400Engine status : {"vm": "up", "health": "good", "detail": "Up"}Hostname : node100.com Local maintenance : False stopped : False crc32 : 8a57c839 conf_on_shared_storage : True local_conf_timestamp : 93629Status up-to-date : True Extra metadata (valid at timestamp): metadata_parse_version=1 metadata_feature_version=1 timestamp=93629 (Tue Mar 28 13:10:40 2023) host-id=1 score=3400 vm_conf_refresh_time=93629 (Tue Mar 28 13:10:40 2023) conf_on_shared_storage=True maintenance=False state=EngineUp stopped=False --== Host node101.com (id: 2) status ==-- Host ID : 2Host timestamp : 11987Score : 3400Engine status : {"vm": "down", "health": "bad", "detail": "unknown", "reason": "vm not running on this host"}Hostname : node101.com Local maintenance : False stopped : False crc32 : 9a1bb88d conf_on_shared_storage : True local_conf_timestamp : 11987Status up-to-date : True Extra metadata (valid at timestamp): metadata_parse_version=1 metadata_feature_version=1 timestamp=11987 (Tue Mar 28 13:10:32 2023) host-id=2 score=3400 vm_conf_refresh_time=11987 (Tue Mar 28 13:10:32 2023) conf_on_shared_storage=True maintenance=False state=EngineDown stopped=False --== Host node102.com (id: 3) status ==-- Host ID : 3Host timestamp : 9503Score : 3400Engine status : {"vm": "down", "health": "bad", "detail": "unknown", "reason": "vm not running on this host"}Hostname : node102.com Local maintenance : False stopped : False crc32 : 94bb3b22 conf_on_shared_storage : True local_conf_timestamp : 9503Status up-to-date : True Extra metadata (valid at timestamp): metadata_parse_version=1 metadata_feature_version=1 timestamp=9503 (Tue Mar 28 13:10:34 2023) host-id=3 score=3400 vm_conf_refresh_time=9503 (Tue Mar 28 13:10:34 2023) conf_on_shared_storage=True maintenance=False state=EngineDown stopped=False
常见问题
在安装hosted engine过程中可能会报如下错误
解决方法:
在PrepareVM过程中,到Get local VM IP这一步时,如下:
迅速在host1主机上执行(注意最后的ip地址换成你环境中hosts1的ip):
[root@node100 ~]# ssh -L 0.0.0.0:5910:localhost:5900 192.168.5.100
需要提前安装virt-viewer,然后通过virt-viewer连接HostedEngine虚机,连接地址:vnc://192.168.0.210:5910,然后使用root帐号登录到系统中(密码为部署是所配置),将/etc/yum.repos.d/目录清空或者移动到其它目录下:
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