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    Dell PERC Question (Server Down)

    Scheduled Pinned Locked Moved IT Discussion
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    • BRRABillB
      BRRABill @scottalanmiller
      last edited by

      @scottalanmiller said

      Because you said that it was rebuilding. The PERC should remain up and viable even without disks attached to it. You can continue to manage it online through the iDRAC or a VM that isn't using those drives.

      The PERC is up. It's just the drives aren't. Certain drives aren't. The DELL 7.2K SATA drives I have in an array have not dropped off or made a peep once.

      The DRAC isn't so great at managing storage or talking to the PERC, or so I have been told. (Those the remote console is worth its weight in gold)

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

        Are you booting from SD card? That would solve the issue, right?

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

          @scottalanmiller said

          Not yet, but soon.

          And yes, I know that if I was booting off USB/SD I could have copied the VM to my other storage repository and then redid my array. 😉

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

            @BRRABill said in Dell PERC Question (Server Down):

            @scottalanmiller said

            Not yet, but soon.

            And yes, I know that if I was booting off USB/SD I could have copied the VM to my other storage repository and then redid my array. 😉

            Yes, that too. But I also mean that the array could be managed without a reboot.

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

              That's anther good reason that we don't normally think of for installing to SD/USB.

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

                @scottalanmiller said

                Yes, that too. But I also mean that the array could be managed without a reboot.

                You can install OMSA to a VM? I didn't think it would be able to access the hardware.

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

                  @BRRABill said in Dell PERC Question (Server Down):

                  @scottalanmiller said

                  Yes, that too. But I also mean that the array could be managed without a reboot.

                  You can install OMSA to a VM? I didn't think it would be able to access the hardware.

                  You install directly to XenServer's Dom0 which has hardware access.

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

                    @scottalanmiller said

                    You install directly to XenServer's Dom0 which has hardware access.

                    I was going to ask about this in my roadtrip of XS.

                    So, then how do you access it? From a web browser just like any other OMSA install?

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

                      @BRRABill said in Dell PERC Question (Server Down):

                      @scottalanmiller said

                      You install directly to XenServer's Dom0 which has hardware access.

                      I was going to ask about this in my roadtrip of XS.

                      So, then how do you access it? From a web browser just like any other OMSA install?

                      Dom0 is just an operating system, CentOS in XenServer. It would host the application as if it were installed on any other server.

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

                        @scottalanmiller said in Dell PERC Question (Server Down):

                        That's anther good reason that we don't normally think of for installing to SD/USB.

                        Did you see my post about the speed of my USB2 booted test XS. It is SO SLOW.

                        Is that normal since it is USB2?

                        Would SD be any quicker? though for the few times you update/reboot, perhaps the speed at boot/update isn't an issue.

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

                          @BRRABill said in Dell PERC Question (Server Down):

                          @scottalanmiller said in Dell PERC Question (Server Down):

                          That's anther good reason that we don't normally think of for installing to SD/USB.

                          Did you see my post about the speed of my USB2 booted test XS. It is SO SLOW.

                          Is that normal since it is USB2?

                          Would SD be any quicker? though for the few times you update/reboot, perhaps the speed at boot/update isn't an issue.

                          No, I missed it. How slow was it?

                          BRRABillB 2 Replies Last reply Reply Quote 0
                          • BRRABillB
                            BRRABill @coliver
                            last edited by

                            @coliver said

                            Dom0 is just an operating system, CentOS in XenServer. It would host the application as if it were installed on any other server.

                            I'm confused as to why it matter you can't administer it if XS boots off the same array, then.

                            I could access OMSA from my desktop browser.

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

                              @BRRABill said in Dell PERC Question (Server Down):

                              @coliver said

                              Dom0 is just an operating system, CentOS in XenServer. It would host the application as if it were installed on any other server.

                              I'm confused as to why it matter you can't administer it if XS boots off the same array, then.

                              I could access OMSA from my desktop browser.

                              If you were installing it onto an SD card or USB stick it wouldn't matter.

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

                                @scottalanmiller said

                                No, I missed it. How slow was it?

                                Pretty slow. But of course I was going from using a SSD.

                                It took the good part of an afternoon to install all the updates once I had it installed.

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                                • BRRABillB
                                  BRRABill @coliver
                                  last edited by

                                  @coliver said

                                  If you were installing it onto an SD card or USB stick it wouldn't matter.

                                  Why would that even matter? Unless we are talking some sort of destructive operation to the array...

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

                                    @BRRABill said in Dell PERC Question (Server Down):

                                    @coliver said

                                    If you were installing it onto an SD card or USB stick it wouldn't matter.

                                    Why would that even matter? Unless we are talking some sort of destructive operation to the array...

                                    I guess I'm not following, you were asking how to access something installed on Dom0. Did I misunderstand the question?

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

                                      @coliver said

                                      I guess I'm not following, you were asking how to access something installed on Dom0. Did I misunderstand the question?

                                      @scottalanmiller said you could administer the array from a VM as long as it wasn't on the same array. I didn't understand why that would matter. Obviously if you werer going to torch the array, then yes. But why else would it matter?

                                      scottalanmillerS coliverC 2 Replies Last reply Reply Quote 0
                                      • scottalanmillerS
                                        scottalanmiller @BRRABill
                                        last edited by

                                        @BRRABill said in Dell PERC Question (Server Down):

                                        @coliver said

                                        If you were installing it onto an SD card or USB stick it wouldn't matter.

                                        Why would that even matter? Unless we are talking some sort of destructive operation to the array...

                                        Right, rebooting is potentially destructive and why it is not recommended. It adds risk.

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                                        • scottalanmillerS
                                          scottalanmiller @BRRABill
                                          last edited by

                                          @BRRABill said in Dell PERC Question (Server Down):

                                          @coliver said

                                          I guess I'm not following, you were asking how to access something installed on Dom0. Did I misunderstand the question?

                                          @scottalanmiller said you could administer the array from a VM as long as it wasn't on the same array. I didn't understand why that would matter. Obviously if you werer going to torch the array, then yes. But why else would it matter?

                                          It matters for when you are NOT going to do it but just going to manage while it is rebuilding.

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                                          • DashrenderD
                                            Dashrender
                                            last edited by

                                            Changing the array doesn't required a reboot. You should be able to do that on the fly.
                                            So if you are hitting off a SD or USB you could attach to iDrac and then to the controller software, then manage the array, all while XS is up and running.

                                            BRRABillB 1 Reply Last reply Reply Quote 0
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