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KVM Live Migration without Shared Storage

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KVM Guest VM Live Migration without Share Storage ----- Prerequisites ----- > Ruining Guest virtual machine on one of the KVM Host server. > Both the KVM Host servers are able accessible each other. > 1 Gbps Network configured on both the Host servers > Longing to the host servers with root user or normal user have sudo rights. > Make sure ssh service port is enabled on both the host and firewall. Steps to migrate gust vm ----- > Assume Guest VM runing on KVM Host1 ( I have give cls1 hostname to KVM Host1 and cls2 hostname to KVM Host 2 ) List the virtual machines ruining on cls1 server. Command :- # virsh list          ----- This command display the runing virtual machines on the host Name :- virt1      ----- This is ruining virtual machine ID :-  1               ----- This is first virtual machine on the host. ...
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Create CentOS 6 Local package and Group package Repository

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Create CentOS 6 Local package and Group package Repository. Prerequisites: > CentOS 6 .iso file or DVD. > Installed CentOS 6.5 / 6.6 x86_64 server with minimum 40 GB free disk space on / partition. > Make sure Internet is enabled on Linux server to download and install few packages. Steps to create Local package repository:  > Copy CentOS 6.5 .iso file in Linux Centos 6 x86_64 server on / partition. > Mount CentOS 6.5 .iso file ( CentOS-6.5-x86_64-bin-DVD1.iso ) to /mnt directory Command: # mount -t iso9660 -o loop /CentOS-6.5-x86_64-bin-DVD1.iso /mnt  > Install HTTP service on Linux server. Command: # yum install httpd > Start HTTP service . Command: # service httpd restart > Create Directory centos65 in /var/www/html/  Command: # mkdir /var/www/html/centos65 >  Go to /mnt/Packages directory Command: # cd /mnt/Packages > Copy all the files from Packages directory to /var/www/html/centos65/...
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Add and Remove Har drive in existing Storage Pool

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Add and Remove Hard drive in existing Storage Pool. Prerequisites. >    New Physical Hard drives are connected to the Windows 2012 server. Steps to Extend existing Storage Pool. > Loging to the Windows 2012 server with Administrator ID. > Click on Server Manager ikon on the desktop to open Server Manager application. > In Server Manager window click on File and Storage Services . > In Sub Menu select Storage Pools than select existing Storage Pool which you want to extend. In the following screen I have selected " hyper " Storage Pool to extend. Click on TASKS button and select option Add Physical Disk . > Click on the available physical disk to add in the pool and click OK to continue. > New Physical Disk is added in the Storage Pool. Steps to Reduce existing Storage Pool. > Repeat the task 1, 2 and 3 from Extend existing Storage Pool. > In Sub Menu select Storage Pools than select existing St...
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