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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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    • DustinB3403D
      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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      • RomoR
        Romo
        last edited by Romo

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

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        • RomoR
          Romo
          last edited by

          options found by default

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

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          • scottalanmillerS
            scottalanmiller
            last edited by

            Well that sucks. Ext3? Ugh.

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            • DustinB3403D
              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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              • scottalanmillerS
                scottalanmiller
                last edited by

                Script has been updated.

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                • RomoR
                  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

                  DustinB3403D 1 Reply Last reply Reply Quote 0
                  • DustinB3403D
                    DustinB3403 @Romo
                    last edited by

                    @Romo The typo's have been addressed.

                    RomoR 1 Reply Last reply Reply Quote 0
                    • RomoR
                      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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                      • DustinB3403D
                        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....

                        scottalanmillerS 1 Reply Last reply Reply Quote 1
                        • scottalanmillerS
                          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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                          • DustinB3403D
                            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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                            • DustinB3403D
                              DustinB3403
                              last edited by

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

                              scottalanmillerS 1 Reply Last reply Reply Quote 0
                              • scottalanmillerS
                                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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                                • stacksofplatesS
                                  stacksofplates
                                  last edited by

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

                                  scottalanmillerS 1 Reply Last reply Reply Quote 0
                                  • DustinB3403D
                                    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.

                                    stacksofplatesS 1 Reply Last reply Reply Quote 1
                                    • stacksofplatesS
                                      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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                                      • DustinB3403D
                                        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.

                                        stacksofplatesS 1 Reply Last reply Reply Quote 0
                                        • scottalanmillerS
                                          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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                                          • stacksofplatesS
                                            stacksofplates @DustinB3403
                                            last edited by stacksofplates

                                            @DustinB3403 said:

                                            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.

                                            I was just thinking, it already takes up 1GB, if you could have it only take up a small amount and store it in RAM, it might be a help.

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