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    XenServer: MD RAID or not?

    IT Discussion
    xenserver md raid raid virtualization
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    • FATeknollogeeF
      FATeknollogee
      last edited by FATeknollogee

      per @BRRABill WWMLD ? (What would Mangolassi do?) {WWMLD is a trademark of @BRRABill }

      per @DustinB3403 "MD Raid is very capable and reliable (you just need to know how to manage it) Hardware RAID is the "make life simple" choice."

      Question: Can someone provide a simple, straightforward guide to setting up MD or tells us why we should take the easy way out?
      Pls don't link the other thread, it has almost 200 posts

      BRRABillB scottalanmillerS 3 Replies Last reply Reply Quote 0
      • BRRABillB
        BRRABill @FATeknollogee
        last edited by

        @FATeknollogee
        Hey that's trademarked.

        LOL. just kidding, use away!

        FATeknollogeeF 1 Reply Last reply Reply Quote 0
        • FATeknollogeeF
          FATeknollogee @BRRABill
          last edited by

          @BRRABill chk out the edit in post #1 đŸ˜ƒ

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

            @FATeknollogee said in XenServer: MD RAID or not?:

            @BRRABill chk out the edit in post #1 đŸ˜ƒ

            LOL.

            1 Reply Last reply Reply Quote 0
            • F
              Francesco Provino
              last edited by

              @FATeknollogee if you can understand italian, mine it's already out: http://www.francescoprovino.com/2016/08/22/xenserver-7-software-raid-con-mail-alert/ .

              Maybe I will translate into english, if someone in ML is interested…

              FATeknollogeeF 1 Reply Last reply Reply Quote 2
              • scottalanmillerS
                scottalanmiller @FATeknollogee
                last edited by

                @FATeknollogee said in XenServer: MD RAID or not?:

                Question: Can someone provide a simple, straightforward guide to setting up MD or tells us why we should take the easy way out?

                Because it is:

                • Easy and simple (these are big deals in IT)
                • It supports blind swapping (which isn't just really useful, it's important for being able to hand off to others, have remote hands, interns not destroying things, etc.)
                • It gives you hardware offloading (not a huge deal, but it would be wrong not to mention the extra CPU and memory benefits.)
                • It's the recommended way from Citrix / Linux Foundation. Using MD RAID is fully baked in, but from the commercial side, only hardware RAID is supported. This is minor, but worth mentioning. Citrix only feels hardware RAID is the way to go.
                • It's more standard.

                MD RAID is perfectly fine, of course. But hardware has benefits.

                1 Reply Last reply Reply Quote 2
                • scottalanmillerS
                  scottalanmiller @FATeknollogee
                  last edited by

                  @FATeknollogee said in XenServer: MD RAID or not?:

                  Pls don't link the other thread, it has almost 200 posts

                  But the other thread has the guide. The guide is the first post. The number of posts isn't really a factor. The guide should be all set for you.

                  1 Reply Last reply Reply Quote 2
                  • FATeknollogeeF
                    FATeknollogee @Francesco Provino
                    last edited by

                    @Francesco-Provino said in XenServer: MD RAID or not?:

                    @FATeknollogee if you can understand italian, mine it's already out: http://www.francescoprovino.com/2016/08/22/xenserver-7-software-raid-con-mail-alert/ .

                    Maybe I will translate into english, if someone in ML is interested…

                    I'm interested in an english version...

                    1 Reply Last reply Reply Quote 0
                    • F
                      Francesco Provino
                      last edited by

                      So, here is my article on XenServer MDADM raid: http://www.francescoprovino.com/2016/09/06/xenserver-7-software-raid-with-mail-alert/ feel free to correct my English!

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

                        From the other thread, was it determined that you could not upgrade your XS if you do this?

                        Is that correct?

                        DashrenderD 1 Reply Last reply Reply Quote 0
                        • MattSpellerM
                          MattSpeller
                          last edited by

                          WWMLD?

                          Melt while you look at it pondering what a beverage would do like a crazy person

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

                            @MattSpeller said in XenServer: MD RAID or not?:

                            WWMLD?

                            And the royalties keep a' rollin' in...

                            1 Reply Last reply Reply Quote 1
                            • DashrenderD
                              Dashrender @BRRABill
                              last edited by

                              @BRRABill said in XenServer: MD RAID or not?:

                              From the other thread, was it determined that you could not upgrade your XS if you do this?

                              Is that correct?

                              MD RAID instructions for XS 7 were released last week.

                              1 Reply Last reply Reply Quote 0
                              • DashrenderD
                                Dashrender
                                last edited by

                                @FATeknollogee
                                would you add a link to the other post to the OP?

                                FATeknollogeeF 1 Reply Last reply Reply Quote 0
                                • FATeknollogeeF
                                  FATeknollogee @Dashrender
                                  last edited by

                                  @Dashrender What link??

                                  DashrenderD 1 Reply Last reply Reply Quote 0
                                  • DashrenderD
                                    Dashrender @FATeknollogee
                                    last edited by

                                    @FATeknollogee said in XenServer: MD RAID or not?:

                                    @Dashrender What link??

                                    To the 200+ post you don't want to read. đŸ˜‰

                                    FATeknollogeeF 1 Reply Last reply Reply Quote 0
                                    • FATeknollogeeF
                                      FATeknollogee @Dashrender
                                      last edited by

                                      @Dashrender I think it's this https://mangolassi.it/topic/6675/building-out-xenserver-6-5-with-usb-boot-and-software-raid-10

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

                                        @FATeknollogee said in XenServer: MD RAID or not?:

                                        @Dashrender I think it's this https://mangolassi.it/topic/6675/building-out-xenserver-6-5-with-usb-boot-and-software-raid-10

                                        Maybe a new thread is needed đŸ™‚

                                        DashrenderD 1 Reply Last reply Reply Quote 0
                                        • FATeknollogeeF
                                          FATeknollogee
                                          last edited by

                                          Yes, to a new & "slimmed down" version of that thread

                                          1 Reply Last reply Reply Quote 0
                                          • DashrenderD
                                            Dashrender @scottalanmiller
                                            last edited by

                                            @scottalanmiller said in XenServer: MD RAID or not?:

                                            @FATeknollogee said in XenServer: MD RAID or not?:

                                            @Dashrender I think it's this https://mangolassi.it/topic/6675/building-out-xenserver-6-5-with-usb-boot-and-software-raid-10

                                            Maybe a new thread is needed đŸ™‚

                                            In looking over that thread - it says installing XS to a USB stick, then using the drives in a RAID from inside XS, but I thought @scottalanmiller has moved to saying that it's probably best for most people to not install XS to USB because the task of moving logs, etc off the USB have proven to be very challenging. Not to say it can't be done, but the difficulty is so high as to make USB a situation for experts only.

                                            scottalanmillerS 1 Reply Last reply Reply Quote 0
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