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Amazon Cloud

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    Amazon Cloud

    Little by little I have moved almost all my web development (PHP) to Amazon Cloud.

    Now I think Amazon Cloud would be a perfect environment to run Alphas Application Server to web customers and also for intranet customers. Amazon Cloud is physically in USA and in Ireland so European customers have also good response times.

    I see here a possibility to Alpha.

    The cost to run a windows 2003 or 2008 server is in small instance 0,125 per hour.

    You don't have to run the server all the time. You can terminate it and start again the server (but the physical server machine will be different)


    But I think the license system may be a problem in Alphas server to make this possible.

    Ken

    #2
    Re: Amazon Cloud

    Ken,

    Have you successfully ran Alpha WAS in the Amazon EC2 Cloud?

    If so, how does it perform?

    I am thinking of moving my MySQL servers into Amazon for better scalability and improved uptime.

    I would like to install Alpha in there too if there isn't any problems (I read about your problems with licensing).

    Comment


      #3
      Re: Amazon Cloud

      We are working on changes to the licensing system that will specifically address usage on cloud environments such as Amazon.

      Lenny Forziati
      Vice President, Internet Products and Technical Services
      Alpha Software Corporation

      Comment


        #4
        Re: Amazon Cloud

        Originally posted by jdrake View Post
        Have you successfully ran Alpha WAS in the Amazon EC2 Cloud? .
        Works out of box. Use 2003 to version 8 and 2008 to version 9 or 10.

        If you are new to cloud computing there is a learning curve but it is worth it. Check carefully the pricing system before you do any decisions. Remember there is a price for data to cloud and data from cloud and that there is no price for data between cloud computers. And remember you pay the bill of the usage.

        Also remember that the idea in cloud computing is stopping and starting instances(using scripts). If you are not going to do that there may be cheaper solutions.

        Check before also what elastic ip means and if that is suitable for your needs.

        I warn you. If you terminate you computer it is gone. You will never get it back if you did it accidentally.

        It takes time to understand that your server(s) is just single row on your monitor and how easy you can loose it.

        Ken

        Comment


          #5
          Re: Amazon Cloud

          I've been doing some research for awhile now, mostly pricing and comparing different VPS services, I don't feel comfortable with how much the standard VPS service cost compared to the services you get. Also, I don't feel comfortable with the backup plans at most VPS services.

          What really turned me onto Amazon EC2 (correct me if I'm wrong) is the snapshots you can take as a sorta backup to recreate your system in minutes if it were deleted or if you need more instances of the same thing. I think you have to treat it for what it is, you don't want to store anything on any VPS service that you don't have a good backup plan in case they lose everything.

          Another thing I like about it is that it supports Session Affinity out of the box. That way, I won't have to worry about scaling issues if they ever arise in the future.

          I'm not to worried about losing my instance right now, I'm going to get my feet wet with Amazon EC2 using MySQL to help process calculations that my current system cannot scale to during peak demand.

          Comment


            #6
            Re: Amazon Cloud

            Originally posted by jdrake View Post
            What really turned me onto Amazon EC2 (correct me if I'm wrong) is the snapshots you can take as a sorta backup to recreate your system in minutes if it were deleted or if you need more instances of the same thing.
            You are right. Go straight to ebs amis. To start a hole new server from ebs ami takes about 3-5 min and to start stopped server 1-3 min. Elastic Ip is in practice also nice feature because you can change the data server on the fly without your client will even notice it.

            Amazon quarantines 99,5 % service available time. Always remember that when you loose your server you never get it back. So it is worth to learn using S3. And do it forehand.

            I have found that Amazon is unbeatable. I use it also as development environment.

            To me the maybe hardest thing has been getting trust to the cloud. Still every morning I check do I still have all my servers on my account. Not lost anything either have any problems yet.

            One advice: Don't install any licensed(=needs activation) program to the cloud computer before you know what you are doing.

            Ken

            Comment


              #7
              Re: Amazon Cloud

              This is very interesting topic

              Always remember that when you loose your server you never get it back.
              How might you loose your server, can you please explain a little ?
              Cheers
              Mauricio

              Comment


                #8
                Re: Amazon Cloud

                On Amazon , everything is run in a sort of virtual machine. If the virtual machine instance were to stop (by you clicking the stop button or host server failure) all the data is lost from that instance unless you store an image in a separate storage space that they offer.

                I compare it to running your computer off a live cd. When you turn it off nothing is left.

                Comment


                  #9
                  Re: Amazon Cloud

                  Originally posted by jdrake View Post
                  On Amazon , everything is run in a sort of virtual machine. If the virtual machine instance were to stop (by you clicking the stop button or host server failure) all the data is lost from that instance unless you store an image in a separate storage space that they offer.

                  I compare it to running your computer off a live cd. When you turn it off nothing is left.
                  That cannot be true, we run 1000's of Virtual machines here at Microsoft. They are normal machines that you can stop and start. Just because a Virtual Machine or Host crash does not mean that all of the data is gone.

                  Comment


                    #10
                    Re: Amazon Cloud

                    Stright from the Amazon FAQ
                    Q: What happens to my data when a system terminates?
                    The data stored on a local instance store will persist only as long as that instance is alive. However, data that is stored on an Amazon EBS volume will persist independently of the life of the instance.

                    Therefore, we recommend that you should use the local instance store for temporary data and if you want to increase your data durability we recommend using Amazon EBS volumes or backing up the data to Amazon S3.

                    For your reference, an "Amazon EBS volume" is sort of like a server folder share that you can mount. An "Amazon S3" is a storage service that is independent (but integrated) of Amazon EC2.

                    Comment


                      #11
                      Re: Amazon Cloud

                      If the virtual machine instance were to stop (by you clicking the stop button or host server failure)
                      Not exactly this way. If you use ebs ami you can stop(=right syntax) the server and although the server is not physically same when you start it again it is same server with all originally data left(without any extra backups). But you must use ebs ami. If you don't use ebs ami your server can not restart. When you start your server again Its public ip address has changed. So here you need these elastic ip addresses. They are static and you can bind this new(=old) server to this elastic ip address and everything works just like before.

                      On the other hand If you terminate (=right syntax) the server then it is gone for you (without backups).

                      Ken

                      Comment


                        #12
                        Re: Amazon Cloud

                        Correct me if I'm wrong, isn't an creating an AMI just creating an image that you can store in an Amazon EBS volume?

                        Comment


                          #13
                          Re: Amazon Cloud

                          You can find here more information.

                          Ken

                          Comment

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