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        <title>Xenserver 6 - Category - Chai on Tech</title>
        <link>https://posts.chaibuilds.com/categories/xenserver-6/</link>
        <description>Xenserver 6 - Category - Chai on Tech</description>
        <generator>Hugo -- gohugo.io</generator><language>en</language><copyright>This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.</copyright><lastBuildDate>Sat, 17 Mar 2018 00:00:00 &#43;0000</lastBuildDate><atom:link href="https://posts.chaibuilds.com/categories/xenserver-6/" rel="self" type="application/rss+xml" /><item>
    <title>Storage</title>
    <link>https://posts.chaibuilds.com/posts/storage/</link>
    <pubDate>Sat, 17 Mar 2018 00:00:00 &#43;0000</pubDate><guid>https://posts.chaibuilds.com/posts/storage/</guid>
    <description><![CDATA[Block Level Transfer:
Presentation of storage can be formatted and managed as local drive.
Ex: A windows host that has been given a storage from SAN identifies the storage as a local disk and host is allowed to format the disk.
In this block level storage, raw volumes of storage are created and each block can be controlled as an individual hard drive. These Blocks are controlled by server based operating systems and each block can be individually formatted with the required file system.]]></description>
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<item>
    <title>Storage Differences</title>
    <link>https://posts.chaibuilds.com/posts/storage-differences/</link>
    <pubDate>Sat, 17 Mar 2018 00:00:00 &#43;0000</pubDate><guid>https://posts.chaibuilds.com/posts/storage-differences/</guid>
    <description><![CDATA[One of the most critical, and challenging, architecture decisions an IT professional has to make is choosing a virtual server storage setup. Even with such a wide variety of choices, there isn’t a singular solution that is the absolute best for virtual servers. And because every work environment varies greatly, a data storage system that complements one solution may not work well with a different system.
Although Fibre Channel (FC) has been the primary choice for several years, network-attached storage (NAS) and iSCSI have become increasingly popular alternatives for virtualization because they provide solid performance for companies working with smaller budgets.]]></description>
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<item>
    <title>Generate new Esx certificate</title>
    <link>https://posts.chaibuilds.com/posts/generate-new-esx-certificate/</link>
    <pubDate>Thu, 04 Dec 2014 00:00:00 &#43;0000</pubDate><guid>https://posts.chaibuilds.com/posts/generate-new-esx-certificate/</guid>
    <description><![CDATA[Note: The below process works only for esx version till 4.X. Not for 5 and 5.X
Changing your host&rsquo;s network name and SSL certificate
When you first install ESXi your host will be given a hostname of &ldquo;localhost&rdquo; and domain of &ldquo;localdomain&rdquo;. You can change this at the console or with the VI client.
Using the Console 1) Press (Customize System) 2) Select Configure Management Network 3) Select DNS Configuration 4) Select the option &ldquo;Use the following DNS server addresse and hostname&rdquo; 5) In the hostname enter the hostname and domain for your host.]]></description>
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<item>
    <title>Blade server/pc and Rack server Differences</title>
    <link>https://posts.chaibuilds.com/posts/blade-serverpc-and-rack-server-differences/</link>
    <pubDate>Tue, 02 Dec 2014 00:00:00 &#43;0000</pubDate><guid>https://posts.chaibuilds.com/posts/blade-serverpc-and-rack-server-differences/</guid>
    <description><![CDATA[Blade PC/Server: Series of servers added to a chasis and inserted it in a rack in datacenter.
Here in the front view, the green rectangles are single servers. In a single case we can add multiple servers. Small green rectangles are half blade servers(where processor and ram are less) and full rectangles(processor and ram are bit more) are servers. In the right hand side pic, we can see the back side of the blade server.]]></description>
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<item>
    <title>Install RHEL 7 in XenServer</title>
    <link>https://posts.chaibuilds.com/posts/install-rhel-7-in-xenserver/</link>
    <pubDate>Mon, 01 Dec 2014 00:00:00 &#43;0000</pubDate><guid>https://posts.chaibuilds.com/posts/install-rhel-7-in-xenserver/</guid>
    <description><![CDATA[When installing RHEL 7 in xenserver, most of us might use the RHEL 6(64 bit) template. When creating vm with RHEL6 template, you need to add a word &ldquo;vnc&rdquo; at selecting the iso file step. Once the vm is up, you need to use vnc client to access that vm and configure the RHEL 7 OS. But when you follow this process, once the vm is built, you might get some error like:]]></description>
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    <title>Distributed Virtual Switch Controller DVSC</title>
    <link>https://posts.chaibuilds.com/posts/distributed-virtual-switch-controller-dvsc/</link>
    <pubDate>Mon, 24 Nov 2014 00:00:00 &#43;0000</pubDate><guid>https://posts.chaibuilds.com/posts/distributed-virtual-switch-controller-dvsc/</guid>
    <description><![CDATA[DVSC is logical centralized switch that allows you to manage the network logical switches that are on different XenServer hosts within ur enviornment from centralized location.
Distributed Virtual Switching Features:
True Network Portability Network fault tolerance Improved network security Transparent network compliance Industry standard network monitoring Comprised of 2 components:
OpenvSwitch Distributed Virtual Switch Controller what is open vswitch
Open vSwitch is a production quality, multilayer virtual switch licensed under the open source Apache 2.]]></description>
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<item>
    <title>Differences between Hub, Switch and Router</title>
    <link>https://posts.chaibuilds.com/posts/hub-switch-router/</link>
    <pubDate>Sat, 22 Nov 2014 00:00:00 &#43;0000</pubDate><guid>https://posts.chaibuilds.com/posts/hub-switch-router/</guid>
    <description><![CDATA[Hubs, switches, routers, and access points are all used to connect computers together on a network, but each of them has different capabilities.
Hubs Hubs enable computers on a network to communicate. Each computer plugs into the hub with an Ethernet cable, and information sent from one computer to another passes through the hub. A hub can’t identify the source or intended destination of the information it receives, so it sends the information to all of the computers connected to it, including the one that sent it.]]></description>
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<item>
    <title>Dynamic Memory Control (DMC)</title>
    <link>https://posts.chaibuilds.com/posts/dynamic-memory-control-dmc/</link>
    <pubDate>Sat, 22 Nov 2014 00:00:00 &#43;0000</pubDate><guid>https://posts.chaibuilds.com/posts/dynamic-memory-control-dmc/</guid>
    <description><![CDATA[XenServer DMC (sometimes known as &ldquo;dynamic memory optimization&rdquo;, &ldquo;memory overcommit&rdquo; or &ldquo;memory ballooning&rdquo;) works by automatically adjusting the memory of running VMs, keeping the amount of memory allocated to each VM between specified minimum and maximum memory values, guaranteeing performance and permitting greater density of VMs per server.
Without DMC, when a server is full, starting further VMs will fail with &ldquo;out of memory&rdquo; errors. To reduce the existing VM memory allocation and make room for more VMs you must edit each VM&rsquo;s memory allocation and then reboot the VM.]]></description>
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<item>
    <title>About VMs and Templates</title>
    <link>https://posts.chaibuilds.com/posts/about-vms-and-templates/</link>
    <pubDate>Fri, 21 Nov 2014 00:00:00 &#43;0000</pubDate><guid>https://posts.chaibuilds.com/posts/about-vms-and-templates/</guid>
    <description><![CDATA[A virtual machine (VM) is a software container (sometimes called a “guest”) that runs on a host physical computer and that behaves as if it were a physical computer itself. VMs consist of an operating system plus CPU, memory (RAM) and networking resources, and software applications.
A template is a virtual machine encapsulated into a file, making it possible to rapidly deploy new VMs. Each template contains installation metadata—the setup information needed to create a new VM with a specific guest operating system, and with the optimum storage, CPU, memory and virtual network configuration.]]></description>
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    <title>Copying VMs and Templates</title>
    <link>https://posts.chaibuilds.com/posts/copying-vms-and-templates/</link>
    <pubDate>Fri, 21 Nov 2014 00:00:00 &#43;0000</pubDate><guid>https://posts.chaibuilds.com/posts/copying-vms-and-templates/</guid>
    <description><![CDATA[You can create new VMs and templates by copying (cloning) an existing VM or template. XenServer has two mechanisms for copying VMs and templates, full copy or fast clone:
Full copy makes a complete copy of the VM’s disks. Fast clone (Copy-on-Write) writes only modified blocks to disk, using hardware-level cloning features for copying the disks from the existing VM to the new VM. This mode is only supported for file-backed VMs.]]></description>
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