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    Building Out XenServer 6.5 with USB Boot and Software RAID 10

    IT Discussion
    xen virtualization xenserver xenserver 6.5 how to
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    • R
      Romo
      last edited by

      Don't believe it was quite ready for him yet. At least not from only looking at the OP of this thread. @scottalanmiller hasn't yet changed several things from there

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      • D
        DustinB3403 @scottalanmiller
        last edited by

        Is mkfs.xfs not included in XenServer 6.5?

        with mkfs -help I get mkfs.ext2

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        • R
          Romo
          last edited by Romo

          No it is not there by default best option would be mkfs.ext3

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          • R
            Romo
            last edited by

            options found by default

            Screenshot from 2015-11-05 12:50:55.png

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            • S
              scottalanmiller
              last edited by

              Well that sucks. Ext3? Ugh.

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              • D
                DustinB3403
                last edited by

                Yeah I'm thinking he adjusted the command to be

                mkfs.ext3 /dev/md0
                

                And hit enter, just waiting for confirmation.

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                • S
                  scottalanmiller
                  last edited by

                  Script has been updated.

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                  • R
                    Romo
                    last edited by

                    @scottalanmiller remeber to change the line that targets devices sd[a-d] to sd[b-e],

                    There is also a typo in the last line,
                    device-config:device=/dev/md10 should be /dev/md0 following that guide

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                    • D
                      DustinB3403 @Romo
                      last edited by

                      @Romo The typo's have been addressed.

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                      • R
                        Romo @DustinB3403
                        last edited by

                        @DustinB3403 said:

                        @Romo The typo's have been addressed.

                        Great, this way more people can follow the guide 😃

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                        • D
                          DustinB3403
                          last edited by

                          We should probably make a topic on building an off-host ISO and backup target server to complement this guide here.

                          Since we've already gone full tilt with the USB mdadm RAID 10....

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                          • S
                            scottalanmiller @DustinB3403
                            last edited by

                            @DustinB3403 said:

                            We should probably make a topic on building an off-host ISO and backup target server to complement this guide here.

                            Since we've already gone full tilt with the USB mdadm RAID 10....

                            Agreed.

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                            • D
                              DustinB3403
                              last edited by

                              I'm build a XenServer right now on laptop hard drives, using this guide.

                              So it'll tie in well with Virtualize everything.

                              Scott would you start a new topic with the basics of "why everything should be virtual" reference this topic, and what the "second server" will be for.

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                              • D
                                DustinB3403
                                last edited by

                                I wonder if it's possible to put this into a executable script that could just be downloaded, and run.

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                                • S
                                  scottalanmiller @DustinB3403
                                  last edited by

                                  @DustinB3403 said:

                                  I wonder if it's possible to put this into a executable script that could just be downloaded, and run.

                                  Yes it could, that's part of the goal. We want to be able to fully automate this. In the long run you will likely want a prompt that will ask which devices to add to the array and after that it could do everything on its own.

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                                  • S
                                    stacksofplates
                                    last edited by

                                    What kind of impact does log writing have on the USB? Is that worth a concern at all?

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                                    • D
                                      DustinB3403
                                      last edited by DustinB3403

                                      It could be a concern, especially if you are producing a ton of logs.

                                      But with the second server, you could point your logs to that server.

                                      So your compute servers don't ever have to deal with a full Dom0 because of logging.

                                      The backup USB is also there in-case it gets burnt out.

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                                      • S
                                        stacksofplates @DustinB3403
                                        last edited by

                                        @DustinB3403 said:

                                        It could be a concern, especially if you are producing a ton of logs.

                                        But with the second server, you could point your logs to that server.

                                        So your compute servers don't ever have to deal with a full Dom0 because of logging.

                                        The backup USB is also there in-case it gets burnt out.

                                        I wonder if there is a way to make most/all of it run in RAM like with VMware?

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                                        • D
                                          DustinB3403
                                          last edited by

                                          There might be, but why? You want your RAM for your VM's.

                                          Just use the built in redirection to push it to an off-host server or a dedicated folder.

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                                          • S
                                            scottalanmiller @stacksofplates
                                            last edited by

                                            @johnhooks said:

                                            What kind of impact does log writing have on the USB? Is that worth a concern at all?

                                            It wears it out, send that to Loggly or ELK.

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