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    What You Need to Know About XenServer

    IT Discussion
    xen xenserver xenorchestra ha-lizard virtualization hypervisor
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    • F
      Francesco Provino @wirestyle22
      last edited by

      @wirestyle22 in truth, you can just create an LVM volume with a filesystem upon it, store the ISOs there and mount it as a SR. The real issue is that at the reboot XS7 will stop doing consistency check of LVM. That's totally repeatable.

      1 Reply Last reply Reply Quote 0
      • olivierO
        olivier
        last edited by

        That sound really overcomplicated to serve just some ISOs. I wonder if I won't offer a "public" NFS in read only with most popular ISO, a kind of ISO as a service πŸ˜„

        F 1 Reply Last reply Reply Quote 1
        • F
          Francesco Provino @olivier
          last edited by

          @olivier I think that the right way to provide a "templatized" VM is to customize a cloud OS image via libguestfs or similar tools, going through the whole installation process is just nonsense for VMs. Poor windows users…

          olivierO 1 Reply Last reply Reply Quote 0
          • olivierO
            olivier @Francesco Provino
            last edited by

            @Francesco-Provino Solution is creating a template with CloudInit process, then Xen Orchestra can do the rest. See https://xen-orchestra.com/blog/full-cloudinit-power-in-xenserver/

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            • BRRABillB
              BRRABill
              last edited by

              My new take on XS is to not touch XS. It's like Fight Club.

              The easy way for ISOs I found was...

              a) set up a new Linux Mint VM
              b) set up an anonymous share
              c) add ISOs
              d) done

              Windows works, but it;s hard to do anonymous shares, I've always found. You could create a user, which I did initially, but I've since moved to a small Mint instance and haven't looked back.

              olivierO 1 Reply Last reply Reply Quote 1
              • F
                Francesco Provino @olivier
                last edited by

                @olivier or via cloudinit, exactly, I just forgot to add it.

                olivierO 1 Reply Last reply Reply Quote 0
                • olivierO
                  olivier @Francesco Provino
                  last edited by

                  @Francesco-Provino said in What You Need to Know About XenServer:

                  @olivier or via cloudinit, exactly, I just forgot to add it.

                  The thing is we already have CloudInit support, so it would be a shame to not using it πŸ˜›

                  1 Reply Last reply Reply Quote 1
                  • olivierO
                    olivier @BRRABill
                    last edited by

                    @BRRABill said in What You Need to Know About XenServer:

                    My new take on XS is to not touch XS. It's like Fight Club.

                    The easy way for ISOs I found was...

                    a) set up a new Linux Mint VM
                    b) set up an anonymous share
                    c) add ISOs
                    d) done

                    Windows works, but it;s hard to do anonymous shares, I've always found. You could create a user, which I did initially, but I've since moved to a small Mint instance and haven't looked back.

                    That's a way to do it also yes. In general, I've got always a physical machine (eg for backup) with enough space to do that. Doesn't require much bandwidth and power to simply share ISOs.

                    BRRABillB 1 Reply Last reply Reply Quote 1
                    • wirestyle22W
                      wirestyle22
                      last edited by

                      Thoughts @scottalanmiller ?

                      1 Reply Last reply Reply Quote 0
                      • BRRABillB
                        BRRABill @olivier
                        last edited by

                        @olivier said

                        That's a way to do it also yes. In general, I've got always a physical machine (eg for backup) with enough space to do that. Doesn't require much bandwidth and power to simply share ISOs.

                        Yeah, just giving options. πŸ™‚

                        There are many. πŸ™‚

                        Anything that can share files would work. I just find sharing files anonymously through Windows maddening.

                        olivierO 1 Reply Last reply Reply Quote 1
                        • olivierO
                          olivier @BRRABill
                          last edited by

                          @BRRABill said in What You Need to Know About XenServer:

                          @olivier said

                          That's a way to do it also yes. In general, I've got always a physical machine (eg for backup) with enough space to do that. Doesn't require much bandwidth and power to simply share ISOs.

                          Yeah, just giving options. πŸ™‚

                          There are many. πŸ™‚

                          Anything that can share files would work. I just find sharing files anonymously through Windows maddening.

                          I have no idea, last time I tried it was 10 years ago.

                          BRRABillB 1 Reply Last reply Reply Quote 0
                          • BRRABillB
                            BRRABill @olivier
                            last edited by

                            @olivier said

                            I have no idea, last time I tried it was 10 years ago.

                            It's probably why you moved on! πŸ˜‰

                            1 Reply Last reply Reply Quote 1
                            • wirestyle22W
                              wirestyle22
                              last edited by wirestyle22

                              If I shared my SSD on my desktop how would I handle the permissions for mounting in XS? I did attempt this but it failed. Granted I had to leave immediately after and didnt get the chance to troubleshoot it.

                              BRRABillB 1 Reply Last reply Reply Quote 0
                              • BRRABillB
                                BRRABill @wirestyle22
                                last edited by BRRABill

                                @wirestyle22 said in What You Need to Know About XenServer:

                                If I shared my SSD on my desktop how would I handle the permissions for mounting? I did attempt this but it failed. Granted I had to leave immediately after and didnt get the chance to troubleshoot it.

                                You could create a local account on your machine, give it access to the shared directory, and use that when you mount from XS.

                                That's what I did initially.

                                wirestyle22W 1 Reply Last reply Reply Quote 2
                                • wirestyle22W
                                  wirestyle22 @BRRABill
                                  last edited by

                                  @BRRABill said in What You Need to Know About XenServer:

                                  @wirestyle22 said in What You Need to Know About XenServer:

                                  If I shared my SSD on my desktop how would I handle the permissions for mounting? I did attempt this but it failed. Granted I had to leave immediately after and didnt get the chance to troubleshoot it.

                                  You could create a local account on your machine, give it access to the shared directory, and use that when you mount from XS.

                                  That's what I did initially.

                                  I'll give this all a go when I get home and report back. Thanks everyone!

                                  1 Reply Last reply Reply Quote 0
                                  • wirestyle22W
                                    wirestyle22
                                    last edited by wirestyle22

                                    Extremely easy install. Everything up and running. Reading/Testing more tonight. How are you guys determining the need for virtual/physical cores per server etc?

                                    dafyreD BRRABillB 2 Replies Last reply Reply Quote 0
                                    • dafyreD
                                      dafyre @wirestyle22
                                      last edited by

                                      @wirestyle22 said in What You Need to Know About XenServer:

                                      Extremely easy install. Everything up and running. Reading/Testing more tonight. How are you guys determining the need for virtual/physical cores per server etc?

                                      I think the general consensus is to start with one core and add more if performance sucks.

                                      wirestyle22W 1 Reply Last reply Reply Quote 1
                                      • wirestyle22W
                                        wirestyle22 @dafyre
                                        last edited by

                                        @dafyre said in What You Need to Know About XenServer:

                                        @wirestyle22 said in What You Need to Know About XenServer:

                                        Extremely easy install. Everything up and running. Reading/Testing more tonight. How are you guys determining the need for virtual/physical cores per server etc?

                                        I think the general consensus is to start with one core and add more if performance sucks.

                                        Virtual?

                                        coliverC dafyreD 2 Replies Last reply Reply Quote 0
                                        • coliverC
                                          coliver @wirestyle22
                                          last edited by coliver

                                          @wirestyle22 said in What You Need to Know About XenServer:

                                          @dafyre said in What You Need to Know About XenServer:

                                          @wirestyle22 said in What You Need to Know About XenServer:

                                          Extremely easy install. Everything up and running. Reading/Testing more tonight. How are you guys determining the need for virtual/physical cores per server etc?

                                          I think the general consensus is to start with one core and add more if performance sucks.

                                          Virtual?

                                          Always! You should have a reason to be physical otherwise virtual.

                                          wirestyle22W 1 Reply Last reply Reply Quote 2
                                          • dafyreD
                                            dafyre @wirestyle22
                                            last edited by

                                            @wirestyle22 Sorry, yeah.

                                            Unless you're running a lot of heavily used VMs, a dual or quadcore CPU would be fine. My box at home runs a quad core cpu and has 5 or 6 VMs on it with no issues.

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