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    XenServer on two Dell R510's

    Scheduled Pinned Locked Moved IT Discussion
    21 Posts 4 Posters 3.6k Views
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    • scottalanmillerS
      scottalanmiller
      last edited by

      CentOS 6 is a relabeling of RHEL 6 (Red Hat Enterprise Linux.) XenCenter has a template option for installing CentOS 6 so that you don't have to go through the complete process like you would with a "random" operating system. When you select the "create new VM" option in XenCenter, look for the RHEL 6 64bit template option. This will set a bunch of the settings for you. Most importantly it will enable full paravirtualization for better performance and stability with less overhead. Otherwise full PV will be disabled.

      Mike RalstonM 1 Reply Last reply Reply Quote 0
      • scottalanmillerS
        scottalanmiller @coliver
        last edited by scottalanmiller

        @coliver said:

        ISO on a share that either XenServer can see?

        He does, there is a permanently mounted CIFS share called ISO that holds the install media.

        1 Reply Last reply Reply Quote 0
        • scottalanmillerS
          scottalanmiller @coliver
          last edited by

          @coliver said:

          Do you have a CentOS 6 (Why not 7?)

          Because it is a lab and he's learning how to build VMs. There is a template for CentOS 6 but not for CentOS 7.

          coliverC 1 Reply Last reply Reply Quote 0
          • coliverC
            coliver @scottalanmiller
            last edited by

            @scottalanmiller said:

            @coliver said:

            Do you have a CentOS 6 (Why not 7?)

            Because it is a lab and he's learning how to build VMs. There is a template for CentOS 6 but not for CentOS 7.

            Got it.

            1 Reply Last reply Reply Quote 0
            • Mike RalstonM
              Mike Ralston @scottalanmiller
              last edited by

              @scottalanmiller said:

              When you select the "create new VM" option in XenCenter, look for the RHEL 6 64bit template option.

              Why not just use the already existing CentOS 6 template?

              coliverC scottalanmillerS 2 Replies Last reply Reply Quote 0
              • coliverC
                coliver @Mike Ralston
                last edited by

                @Mike-Ralston said:

                @scottalanmiller said:

                When you select the "create new VM" option in XenCenter, look for the RHEL 6 64bit template option.

                Why not just use the already existing CentOS 6 template?

                That one I don't know, I've always used the CentOS template for this but there may be a reason to use the RHEL template.

                1 Reply Last reply Reply Quote 0
                • scottalanmillerS
                  scottalanmiller @Mike Ralston
                  last edited by

                  @Mike-Ralston said:

                  Why not just use the already existing CentOS 6 template?

                  Is there both? They would be identical. That's very silly that there are two. The two products are literally the same thing.

                  Mike RalstonM 1 Reply Last reply Reply Quote 0
                  • Mike RalstonM
                    Mike Ralston @scottalanmiller
                    last edited by

                    @scottalanmiller Well, shall I use the one purposed for CentOS?

                    scottalanmillerS 1 Reply Last reply Reply Quote 0
                    • scottalanmillerS
                      scottalanmiller @Mike Ralston
                      last edited by

                      @Mike-Ralston said:

                      @scottalanmiller Well, shall I use the one purposed for CentOS?

                      Sure, that's fine too.

                      Mike RalstonM 1 Reply Last reply Reply Quote 0
                      • Mike RalstonM
                        Mike Ralston @scottalanmiller
                        last edited by Mike Ralston

                        @scottalanmiller I selected the template for CentOS 6 64-Bit, what next?

                        1 Reply Last reply Reply Quote 0
                        • scottalanmillerS
                          scottalanmiller
                          last edited by

                          Follow the wizard. Ask when you get stuck.

                          1 Reply Last reply Reply Quote 0
                          • art_of_shredA
                            art_of_shred
                            last edited by

                            I have no memory of this place...

                            Mike RalstonM 1 Reply Last reply Reply Quote 0
                            • scottalanmillerS
                              scottalanmiller
                              last edited by

                              You'll only need a single virtual NIC for the VM.

                              Mike RalstonM 1 Reply Last reply Reply Quote 0
                              • Mike RalstonM
                                Mike Ralston @art_of_shred
                                last edited by

                                @art_of_shred xD

                                1 Reply Last reply Reply Quote 0
                                • Mike RalstonM
                                  Mike Ralston @scottalanmiller
                                  last edited by

                                  @scottalanmiller said:

                                  You'll only need a single virtual NIC for the VM.

                                  One last question, how much storage do I assign to it?

                                  scottalanmillerS 1 Reply Last reply Reply Quote 0
                                  • scottalanmillerS
                                    scottalanmiller @Mike Ralston
                                    last edited by

                                    @Mike-Ralston said:

                                    One last question, how much storage do I assign to it?

                                    My rule of thumb is 12GB for a stock Linux OS.

                                    1 Reply Last reply Reply Quote 0
                                    • art_of_shredA
                                      art_of_shred
                                      last edited by

                                      why is that your rule of thumb?

                                      1 Reply Last reply Reply Quote 0
                                      • scottalanmillerS
                                        scottalanmiller
                                        last edited by

                                        Plenty of space for a full OS, overhead for logging and normal apps. Mostly just experience.

                                        Mike RalstonM 1 Reply Last reply Reply Quote 0
                                        • Mike RalstonM
                                          Mike Ralston @scottalanmiller
                                          last edited by

                                          @scottalanmiller So, it turns out the issue I was having getting the OS installed, was that the default file path was pulling from an empty folder. I found the actual ISO's, and got two installs. One that the interns did, on CentOS 7, and one that I did, on CentOS 6.

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