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Migrate OVM to OLVM

左手梦圆 2022-06-10 阅读 28
oracleolvmovmmigrateLinux系统/运维

OVM 3.3.4 to OLVM

获取OVS下vm主机信息

针对ORACLE VM Server下的testvm01进行迁移。

Migrate OVM to OLVM_oracle


迁移过程需对testvm01关机操作

Migrate OVM to OLVM_ovm_02


右键查看其VM Config File信息

Migrate OVM to OLVM_migrate_03


记录以下信息

Migrate OVM to OLVM_olvm_04


亦可通过查看vm.cfg获取相关信息

Migrate OVM to OLVM_migrate_05


生成对应xml配置文件

将所有需迁移vm主机，生成对应xml配置文件

以下为xml文件需修改部分Migrate OVM to OLVM_ovm_06


以下为xml源文件

Migrate OVM to OLVM_oracle_07


将文件复制到KVM主机



启动OVS服务器NFS服务

创建“Repository Export”

Migrate OVM to OLVM_oracle_08


检查nfs服务状态

Migrate OVM to OLVM_olvm_09


KVM服务器准备

安装所需组件

[root@ol7-kvm01 ~]# yum install oraclelinux-developer-release-el7 yum-utils -y
[root@ol7-kvm01 ~]# yum-config-manager --enable ol7_developer_kvm_utils
[root@ol7-kvm01 ~]# yum install qemu-block-curl

拷贝OLVM证书到KVM服务器

[root@ol7-kvm01 ~]# scp 192.168.137.51:/etc/pki/ovirt-engine/ca.pem /root/ca.pem


生成用于连接OLVM API的密码文件

[root@ol7-kvm01 ~]# echo "P@ss0lvm" >/tmp/ovirt-admin-password


NFS挂载

KVM主机创建对应目录并挂载

[root@ol7-kvm01 ~]# mkdir -p /OVS/Repositories/0004fb0000030000681b0d6bd6435d1b
[root@ol7-kvm01 ~]# mount -t nfs 192.168.137.183:/OVS/Repositories/0004fb0000030000681b0d6bd6435d1b /OVS/Repositories/0004fb0000030000681b0d6bd6435d1b

开始迁移

# export LIBGUESTFS_BACKEND=direct

# virt-v2v -i libvirtxml <xml-conf-generated> -o ovirt-upload -oc https://<OLVM-FQDN>/ovirt-engine/api -os <OLVM-Storage-Domain> -op <OLVM-ADMIN-PASSWORD-FILE> -of raw -oo rhv-cluster=<OLVM-CLUSTER> -oo rhv-cafile=<OLVM-CERT-FILE>

Example：

[root@ol7-kvm01 ~]# cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.137.51 ol7-olvm
192.168.137.61 ol7-kvm01
[root@ol7-kvm01 ~]# export LIBGUESTFS_BACKEND=direct
[root@ol7-kvm01 ~]# virt-v2v -i libvirtxml testvm01.xml -o ovirt-upload -oc https://ol7-olvm/ovirt-engine/api -os vmware-data -op /tmp/ovirt-admin-password -of raw -oo rhv-cluster="Default" -oo rhv-cafile=/root/ca.pem -oa preallocated

迁移完成

Migrate OVM to OLVM_ovm_10


启动验证

打开“Compute”- “Virtual Machines”编辑迁移完成vm主机

Migrate OVM to OLVM_ovm_11


核对修改vm主机名等信息

Migrate OVM to OLVM_ovm_12


启动vm主机

Migrate OVM to OLVM_olvm_13


打开Console查看启动过程

Migrate OVM to OLVM_oracle_14


Console配置

Native Client

Windows主机需下载virt-viewer-x64进行安装方能连接到Console

​​https://virt-manager.org/download/sources/virt-viewer/virt-viewer-x64-11.0-1.0.msi​​

Migrate OVM to OLVM_oracle_15


noVNC (Console Option)

下载CA证书，并安装到：受信任的根证书颁发机构

Migrate OVM to OLVM_migrate_16


修改链接console的方式

Migrate OVM to OLVM_oracle_17


OVM 3.4.x to OLVM （XML）

可根据 “6.1” 迁移方法手动修改xml文件进行迁移，以下将使用virsh生成所需对应xml文件


针对ORACLE VM Server下的ol7.1进行迁移。

Migrate OVM to OLVM_migrate_18


启动xend服务

OVS服务器，修改配置文件开启http监听端口(8000)

# vi /etc/xen/xend-config.sxp ## Uncomment specified lines
(xend-http-server yes)
(xend-unix-path /var/lib/xend/xend-socket)
(xend-port 8000)

重启“xend”及“libvirtd”服务

[root@ovms3 ~]# /etc/init.d/xend restart
[root@ovms3 ~]# /etc/init.d/libvirtd restart

KVM主机连接测试（连接到OVS）

[root@ol7-kvm01 ~]# virsh -c xen+ssh://root@192.168.137.162 list --all
root@192.168.137.162's password:
 Id Name State
--------------------------------------------------
 0 Domain-0 running
 6 0004fb0000060000c166a49d23eefc56 idle

身份验证配置

获取KVM VDSM守护进程自身份验证到OVS服务器

# sudo -u vdsm ssh-keygen
# sudo -u vdsm ssh-copy-id root@<ovm-host>
# sudo -u vdsm ssh root@<ovm-host>

Example：

Migrate OVM to OLVM_oracle_19


启动OVS服务器NFS服务

创建“Repository Export”

Migrate OVM to OLVM_ovm_20


检查nfs服务状态

Migrate OVM to OLVM_ovm_21

KVM服务器准备

安装所需组件

[root@ol7-kvm01 ~]# yum install oraclelinux-developer-release-el7 yum-utils -y
[root@ol7-kvm01 ~]# yum-config-manager --enable ol7_developer_kvm_utils
[root@ol7-kvm01 ~]# yum install qemu-block-curl

拷贝OLVM证书到KVM服务器

[root@ol7-kvm01 ~]# scp 192.168.137.51:/etc/pki/ovirt-engine/ca.pem /root/ca.pem


生成用于连接OLVM API的密码文件

[root@ol7-kvm01 ~]# echo "P@ss0lvm" >/tmp/ovirt-admin-password

NFS挂载

KVM主机创建对应目录并挂载

[root@ol7-kvm01 ~]# mkdir -p /OVS/Repositories/0004fb0000030000cfbe1e2a846ea785
[root@ol7-kvm01 ~]# mount -t nfs 192.168.137.162:/OVS/Repositories/0004fb0000030000cfbe1e2a846ea785 /OVS/Repositories/0004fb0000030000cfbe1e2a846ea785

生成xml配置文件

待迁移vm主机需为开机状态

Migrate OVM to OLVM_migrate_22


确认主机信息

Migrate OVM to OLVM_olvm_23


生成xml配置文件

# virsh -c xen+ssh://root@<ovm-host> dumpxml <vm-uuid> > <vm-name>.xml

Example：

Migrate OVM to OLVM_olvm_24


关闭需迁移主机

迁移过程需对ol7.1关机操作

Migrate OVM to OLVM_migrate_25


开始迁移

# export LIBGUESTFS_BACKEND=direct
# virt-v2v -i libvirtxml <xml-conf-generated> -o ovirt-upload -oc https://<OLVM-FQDN>/ovirt-engine/api -os <OLVM-Storage-Domain> -op <OLVM-ADMIN-PASSWORD-FILE> -of raw -oo rhv-cluster=<OLVM-CLUSTER> -oo rhv-cafile=<OLVM-CERT-FILE>

Example：

[root@ol7-kvm01 ~]# cat /etc/hosts
192.168.137.51 ol7-olvm
192.168.137.61 ol7-kvm01
[root@ol7-kvm01 ~]# export LIBGUESTFS_BACKEND=direct
[root@ol7-kvm01 ~]# virt-v2v -i libvirtxml ol7.1.xml -o ovirt-upload -oc https://ol7-olvm/ovirt-engine/api -os vmware-data -op /tmp/ovirt-admin-password -of raw -oo rhv-cluster="Default" -oo rhv-cafile=/root/ca.pem -oa preallocated

迁移完成

Migrate OVM to OLVM_ovm_26

启动验证

打开“Compute”- “Virtual Machines”编辑迁移完成vm主机

Migrate OVM to OLVM_olvm_27


核对修改vm主机名等信息

Migrate OVM to OLVM_oracle_28


启动vm主机

Migrate OVM to OLVM_migrate_29


打开Console查看启动过程

Migrate OVM to OLVM_oracle_30


Windows主机需下载virt-viewer-x64-10.0-1.0.exe进行安装方能连接到Console


至此迁移完成

Migrate OVM to OLVM_migrate_31


OVM 3.4.x to OLVM （Online）

以下将通过OLVM管理控制台连接OVM Xen进行迁移


针对ORACLE VM Server下的ol7.1进行迁移。

Migrate OVM to OLVM_ovm_32


启动xend服务

OVS服务器，修改配置文件开启http监听端口(8000)

# vi /etc/xen/xend-config.sxp ## Uncomment specified lines
(xend-http-server yes)
(xend-unix-path /var/lib/xend/xend-socket)
(xend-port 8000)

重启“xend”及“libvirtd”服务

[root@ovms3 ~]# /etc/init.d/xend restart
[root@ovms3 ~]# /etc/init.d/libvirtd restart

KVM主机连接测试（连接到OVS）

[root@ol7-kvm01 ~]# virsh -c xen+ssh://root@192.168.137.162 list --all
root@192.168.137.162's password:
 Id Name State
--------------------------------------------------
 0 Domain-0 running
 6 0004fb0000060000c166a49d23eefc56 idle

身份验证配置

获取KVM VDSM守护进程自身份验证到OVS服务器

# sudo -u vdsm ssh-keygen
# sudo -u vdsm ssh-copy-id root@<ovm-host>
# sudo -u vdsm ssh root@<ovm-host>

Example：

Migrate OVM to OLVM_migrate_33


OLVM导入VM

打开“Compute” - “Virtual Machines”

Migrate OVM to OLVM_oracle_34


Source选择“Xen”，输入OVS URL

Migrate OVM to OLVM_ovm_35


将需迁移VM选中并提交到Import列表

Migrate OVM to OLVM_oracle_36


OVM 3.4.6 to OLVM（未验证）

当前版本3.4.1验证测试失败，应是OVS版本问题，在OVS 3.4.6之后解决

​​https://support.oracle.com/epmos/faces/DocumentDisplay?_afrLoop=102049748234941&id=2608616.1&_afrWindowMode=0&_adf.ctrl-state=k2q5utsmc_104​​


OLVM服务器准备

安装必要组件

[root@ol7-olvm ~]# yum install python python-requests python-libs -y
[root@ol7-olvm ~]# yum install python-ovirt-engine-sdk4 -y

创建目录并将证书拷贝到此目录

[root@ol7-olvm ~]# mkdir migrate_vm
[root@ol7-olvm ~]# cd migrate_vm/
[root@ol7-olvm ~]# cp /etc/pki/ovirt-engine/ca.pem .

测试ssh连接到OVS和KVM主机

Migrate OVM to OLVM_ovm_37


测试登录到ovmcli

Migrate OVM to OLVM_olvm_38


上传migrate_vm.py

Migrate OVM to OLVM_oracle_39


增加执行权限

[root@ol7-olvm ~]# chmod +x /root/migrate_vm/migrate_vm.py


Migrate OVM to OLVM_olvm_40


执行迁移

Migrate OVM to OLVM_migrate_41


验证测试失败


Script usage

A sample usage of the script is as follows:


Option 1: Export the guest VM in Oracle VM and Import it in OLVM

# python migrate_vm.py
=== Welcome to guest VM migration tool ===
1.Export from OVM manager and import in OLVM

2.Already exported guest VM as Virtual appliance in OVM manager, Need to import in OLVM

3.Already placed the ova file in KVM host, Need to import in OLVM

Enter the option:1
Enter hostname/ IP address of OVM manager:<hostname/ IP address of OVM manager>
Enter the admin password:<admin password>
Succesfully accessed Oracle VM Manager <hostname/ IP address of OVM manager>
Enter Repository name:<Repository name>
Enter guest VM name:OVM
Enter Virtual Appliance Name:OVM1
OVM> exportVirtualAppliance Repository name=<Repository name> name=OVM1 vms=0004fb00000600007da1991568ddd669
Command: exportVirtualAppliance Repository name=<Repository name> name=OVM1 vms=0004fb00000600007da1991568ddd669
Status: Success
Time: 2019-11-11 21:23:26,823 IST
JobId: 1573486449082
Data:
id:1139e0e6e6 name:OVM1
OVM> Connection closed.

The guest VM is exported to Repository...


Enter hostname/IP address of Oracle VM Server:<hostname/IP address of Oracle VM Server>
Enter hostname/IP address of KVM host:<hostname/IP address of KVM host>
Enter path for placing the ova file:/home/
root@<hostname/IP address of Oracle VM Server>'s password:
root@<hostname/IP address of KVM host>'s password:
package.ova 100% 6326MB 9.6MB/s 11:01
Connection to <hostname/IP address of Oracle VM Server> closed.
The migration of ova file from OVS to KVM host completed...

Enter the Hostname/IP address of OLVM manager:<Hostname/IP address of OLVM manager>
Enter the username:admin@internal
Enter the password:<password>
Enter the VM name:<VM name>
Enter the name of KVM host as specified in OLVM GUI:<KVM host Name>
Enter the cluster name as specified in OLVM GUI:<cluster name>
Enter the Storage domain name as specified in OLVM GUI:<Storage domain name>
Enter the url for OVA file (It should be like 'ova://<path to ova file>'):ova:///home/package.ova
The VM is being imported...

Option 2: Already exported guest VM as Virtual appliance in OVM manager, Need to import in OLVM.

# python migrate_vm.py
=== Welcome to guest VM migration tool ===
1.Export from OVM manager and import in OLVM
2.Already exported guest VM as Virtual appliance in OVM manager, Need to import in OLVM

3.Already placed the ova file in KVM host, Need to import in OLVM

Enter the option:2
Enter hostname/ IP address of OVM manager:<hostname/ IP address of OVM manager>
Enter the admin password:<admin password>
Succesfully accessed Oracle VM Manager <hostname/ IP address of OVM manager>
Enter Repository name:<Repository name>
Enter Virtual Appliance ID:11d693c1b8
Enter hostname/IP address of Oracle VM Server:<hostname/IP address of Oracle VM Server>
Enter hostname/IP address of KVM host:<hostname/IP address of KVM host>
Enter path for placing the ova file:/11d693c1b8.ova
root@<hostname/IP address of Oracle VM Server>'s password:
root@<hostname/IP address of KVM host>'s password:
package.ova 100% 5847MB 246.8KB/s 6:44:17
Connection to <hostname/IP address of Oracle VM Server> closed.
The migration of ova file from OVS to KVM host completed...

Enter the Hostname/IP address of OLVM manager:<Hostname/IP address of OLVM manager>
Enter the username:admin@internal
Enter the password:<password>
Enter the VM name:<VM name>
Enter the name of KVM host as specified in OLVM GUI:<KVM host Name>
Enter the cluster name as specified in OLVM GUI:<cluster name>
Enter the Storage domain name as specified in OLVM GUI:<Storage domain name>
Enter the url for OVA file (It should be like 'ova://<path to ova file>'):ova://<path to ova file>
The VM is being imported...

Option 3: Already placed the ova file in KVM host, Need to import in OLVM.

# python migrate_vm.py
=== Welcome to guest VM migration tool ===
1.Export from OVM manager and import in OLVM
2.Already exported guest VM as Virtual appliance in OVM manager, Need to import in OLVM

3.Already placed the ova file in KVM host, Need to import in OLVM

Enter the option:3
Enter the Hostname/IP address of OLVM manager:<Hostname/IP address of OLVM manager>
Enter the username:admin@internal
Enter the password:<password>
Enter the VM name:<VM name>
Enter the name of KVM host as specified in OLVM GUI:<KVM host Name>
Enter the cluster name as specified in OLVM GUI:<cluster name>
Enter the Storage domain name as specified in OLVM GUI:<Storage domain name>
Enter the url for OVA file (It should be like 'ova://<path to ova file>'):ova://<path to ova file>
The VM is being imported...
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