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Virtual server Or Physical server

Created by : sameer kamble, IT Manager, indsoft systems  | 02 01 2011 17:23:39 +0000
Keywords : virtual private server or physical server
Activity:  655 views;  last activity : 08 12 2011 02:03:05 +0000

Virtual server technologies such as Microsoft’s Hyper-V  take a single physical server and partition it into multiple isolated virtual private servers. These isolated virtual private servers perform as though they each are an independent physical sever, complete with their own emulated hardware, operating system, init scripts, users, software, processes, filesystems, etc.

Each virtual server provides full root access so customers are not accessing a shared root directory. Because they have the look, feel, and partitioning of being an independent physical server, each VS has its own IP address, port numbers, tables, routing rules, etc. – all the characteristics and feature functionality associated with a stand-alone physical server.

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VPS Vs Physical server
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I also agree to this. VPS are attractive and reduce site wastage.
By Taniya Laskar, Project Architect, Leading IT solutions  02 03 2011 08:06:29 +0000
 
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Physical servers are good for very large sites with heavy traffic and where there is a lot of CGI/PHP or server side processing.

VPS are good for load balancing of one big site. you can easily move vps server or create vps as preplanned

But if one physical server down then bunch of vps will be down

one of the major problem in vps is, if vhd (virtual hard disk) of vps is crash then you will never recover it. its a virtual only imagination. vps is only useful when you are doing load balancing. so i recommend dont use vps for static or dynamic website or for any important application.


By sameer kamble, IT Manager, indsoft systems  02 03 2011 17:28:52 +0000
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1) HERE ONE NEEDS TO THINK LOGICALLY.  I AGREE TO SOME EXTENT THAT PHYSICAL SERVERS ARE GOOD FOR VERY LARGE SITES WITH INUNDATED FLOW OF DATA PACKETS.

2) IF ANY ORGANIZATION IS GOING TO CONFIGURE VIRTUAL SERVERS AT THEIR ORGANIZATION THEY SHOULD THINK THAT THE DATA WHAT THEY ARE GOING TO STORE SHOULD BE SAVED IN A SAFE LOCATION.  OF COURSE THERE HAS ALWAYS BEEN A MENACE OF CRASHING A HARD DISK DRIVE EVEN WITH DESKTOP SYSTEMS WHAT WE GENERALY USE AT HOMES.  THE CRASHING EVEN CHASES AN ORDINARY MAN LIKE A PREDATOR.

3) TO RESOLVE SUCH ISSUES WE OFTEN SAVE OUR FILES IN EXTENDED PARTION OF HARD DISK DRIVE. IF IN CASE, EITHER OPERATING SYSTEM CRASH OR ANY OTHER HARDWARE, THEN WE SIMPLY GO FOR REFORMATTING THE DRIVE WHICH IS BOOT PARTITION.  EVENTUALLY NOBODY IS GOING TO LOOSE THE DATA, SINCE THE DATA IS STORED IN EXTENDED PARTITION (D, E, F).     

4) SO THE SAME TRICK WILL BE USED IN VIRTUAL SERVERS ALSO.  EVEN IF THERE IS A CRASH THEN YOU CAN RECOVER IT VERY EASILY, BECAUSE VIRTUAL SERVERS TOO HAVE EXTENDED PARTITIONS.  AND WHEN IT COMES TO INSTALLING VMWARE SOFTWARE, I MEAN HOST MACHINE, IT WILL BE A SIMPLE WORKSTATION LIKE XP WHERE YOU CAN CONFIGURE MULTIPLE VIRTUAL MACHINES, BUT AGAIN YOU HAVE TO GO FOR EXTENDED DRIVE ONLY.  AS ALL VIRTUAL MACHINES NEED TO BE SAVED IN A PHYSICAL PARTITION OF HOST MACHINE (D, E, F).

5) COPY AND MOVE OPTION BOTH HELP TO TRANSFER VMWARE FROM PHYSICAL SYSTEM TO ANOTHER PHYSICAL.

 


By Sairam. M, System Administrator  | 04 23 2011 01:12:06 +0000
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everybody know benefits of virtualization so am not going to eloborate it. my suggestion is gogreen. save trees, save world, save earth. think about global warming. a humble beginning is needed.
By M. Nawaz Ahmed, Network Admin/System Admin, SAPTCO  | 02 06 2011 13:33:12 +0000
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i prefer vps
By PREMRAJ , Freelancer, Event Management  | 02 05 2011 14:10:30 +0000
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First of all you have all of the benefits of a dedicated machine such as certain types of script setups and account access; however there may be some limitations like disk space, bandwidth, and CPU and RAM usage. It gives you more control over all the aspects of your server, and gives you features which may be restricted or not available on a Shared Web Hosting plan. You also have more freedom to manage and configure them on your own. Secondly it doesn’t hurt the budget. It acts like a dedicated server but costs less. VPS is suitable for website owners that need an isolated, safe and high performance hosting environment. Having a VPS brings you custom firewalls, remote access and dedicated IP addresses, too.
By Vikas Singh, Strategy Consultant IFRS,XBRL  | 02 05 2011 14:03:33 +0000
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A server, usually a Web server, that shares computer resources with other virtual servers. In this context, the virtual part simply means that it is not a dedicated server -- that is, the entire computer is not dedicated to running the server software. Virtual Web servers are a very popular way of providing low-cost web hosting services. Instead of requiring a separate computer for each server, dozens of virtual servers can co-reside on the same computer. In most cases, performance is not affected and each web site behaves as if it is being served by a dedicated server. However, if too many virtual servers reside on the same computer, or if one virtual server starts hogging resources, Web pages will be delivered more slowly.
By Himanshu Sharma, MCA student, H.I.M.T Greater Noida  | 02 03 2011 21:18:54 +0000
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I think Taniya I also agree with your statement.
By Rathin Deb, Freelance Retail Consultant  | 02 03 2011 11:08:27 +0000
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Virtual private server (VPS) is a marketing term used by Internet hosting services to refer to a virtual machine for use exclusively by an individual customer of the service. The term is used to emphasize that the virtual machine, although running in software on the same physical computer as other customers' virtual machines, is functionally equivalent to a separate physical computer, is dedicated to the individual customer's needs, has the privacy of a separate physical computer, and can be configured to run as a server computer (i.e. to run server software). The term Virtual Dedicated Server or VDS is used less often for the same concept.

Each virtual server can run its own full-fledged operating system and can be independently rebooted.

The practice of partitioning a single server so that it appears as multiple servers has long been common practice on mainframe computers and mid-range computers such as the IBM AS/400. It has become more prevalent with the development of virtualization software and technologies for microcomputers.

 
By Nilesh Roy, CEO/MD/Director, Dishari TechnoServ  | 02 03 2011 10:14:10 +0000
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U r right Taniya.
By Diwakar Tiwari, Sr. Manager, THE Arvind LTD  | 02 03 2011 09:38:05 +0000
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The purpose behind splitting is to over come heavy traffic.Though PS is supportive,the VPS will attract those who prefer pointblank access.
By Mohammad Bakhsh, Project Leader/Managing Consultant, Freelancer  | 02 02 2011 03:59:27 +0000
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PHYSICAL SYSTEM

WINDOWS SERVER 2003 – DOMAIN CONTROLLER – DNS

IP 223.223.223.1

| (CONNECTED)

| PHYSICAL SYSTEM

WINDOWS SERVER 2003 -

DHCP

IP 223.223.223.2

| (CONNECTED)

| | PHYSICAL SYSTEM (XP)

| (HOST MACHINE FOR VIRTUAL

| SERVER) (MEMBER SERVER)

C:

BOOT PARTITION WITH VIRTUAL MACHINE SOFTWARE

223.223.223.3

D:

E:

F:

SAVE VIRTUAL MACHINES IN EXTENDED DRIVE.

VIRTUAL MACHINE WITH WINDOWS SERVER 2003 – MEMBER SERVER – AND I.I.S. (223.223.223.4)

C:

BOOT PARTITION WITH IIS SERVICE.

D:

E:

F

SAVE WEB PAGES IN THESE DRIVES.

THE ABOVE IS THE PROCEDURE TO CONFIGURE VIRTUAL MACHINE, I HAVE EXPLAINED ONLY ONE, BUT YOU CAN CONFIGURE MULTIPLE VIRTUAL MACHINES ON SINGLE PHYSICAL COMPUTER, BUT ENSURE PHYSICAL CAPACITY OF HOST MACHINE.

THANK YOU SIR.

THANKS TO TANIYA AS WELL.

HEALTH AND HAPPINESS......
By Sairam. M, System Administrator  | 07 17 2011 15:49:56 +0000
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I agree with sameer but in the end it's always a question of your needs
By ETIENNE , Senior Consultant, CyberConseil  | 02 03 2011 13:26:32 +0000
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Thanks for giving this information to me, as I don't aware of it.

Thanks , once again! Sameer.
By SHRIKANT MANOHAR DANKE, Project Manager, Phadnis Infrastructur Ltd  | 02 03 2011 09:32:27 +0000
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I agree with your point of view sameer.
By Rathin Deb, Freelance Retail Consultant  | 02 02 2011 12:31:43 +0000
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Always prefer physical servers.
By Rajeev N.Bhatt, Equity Trader, self employed  | 02 01 2011 17:38:42 +0000
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i support your views Mr.Sameer.

 
By NATTERAJA R. ARIKRISHNAN, GM-Projects, Bentec Electricals & Electronics Pvt. Ltd  | 02 01 2011 17:34:43 +0000
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