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    Installation of Xenserver at following process

    IT Discussion
    xenserver 6.5
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    • nadnerBN
      nadnerB @Lakshmana
      last edited by

      @Lakshmana said:

      yes 6 * 1.2 TB hard disk'

      Righto, as @JaredBusch and @thecreativeone91 have said, RAID 5 is asking for trouble.
      Have you been told that you must use RAID 5 or do you have a choice?

      LakshmanaL 1 Reply Last reply Reply Quote 0
      • LakshmanaL
        Lakshmana @nadnerB
        last edited by

        @nadnerB only RAID 5 and RAID1 should be used

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

          @Lakshmana said:

          Whether any issues comes while adding the RAID 5 group with xenserver.

          When you use hardware RAID the operating system and/or the hypervisor cannot see the RAID at all. All RAID arrays are the same to XenServer. Whether it is RAID 0, 1, 5, 6, 10, etc. does not matter because to XenServer it is always just "a disk" and nothing else. Always.

          So while RAID 5 is a horrible idea, as is splitting the array into two, both violating the most basic best practices and common sense, we understand that this is because your manager is sabotaging clients and that there is nothing that you can do about it, but as far as XenServer is concerned there is never a need to wonder how it will react to different RAID levels.

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

            @Lakshmana said:

            @nadnerB only RAID 5 and RAID1 should be used

            Well no, RAID 5 should never be used as is basic industry knowledge. There is a big difference between "your manager is try to sabotage a client and demands you do this" and "RAID 5 should be used." There is no circumstance, and there has not been for more than half a decade, when RAID 5 was acceptable in a newly planned array.

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

              Here is a ton of resources on understanding RAID. You can print this out for your manager (I'm assuming he doesn't know how to use email given his other technical skills) or, better, send this to the customer to help them understand just how much he is attempting to destroy their business.

              http://www.mangolassi.it/topic/121/raid-link-blast

              1 Reply Last reply Reply Quote 0
              • LakshmanaL
                Lakshmana
                last edited by

                How to enable thin provisioning after the installation of the Xenserver is done

                The local storage in the server is not able to repair as well as not able to add the new hard disk with that Why????

                ? scottalanmillerS 3 Replies Last reply Reply Quote 0
                • ?
                  A Former User @Lakshmana
                  last edited by

                  @Lakshmana check to see if a hard drive is bad

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

                    @Lakshmana said:

                    How to enable thin provisioning after the installation of the Xenserver is done

                    You already asked this question and it was answered. You already enabled it during the install and it is done. There is nothing more to do. Why are you asking this again when it was already answered and you know why?

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

                      @Lakshmana said:

                      The local storage in the server is not able to repair as well as not able to add the new hard disk with that Why????

                      This is a separate question. I would ask it in a new thread. We don't have any details here, we need to know something about your storage before answering this.

                      LakshmanaL 1 Reply Last reply Reply Quote 0
                      • LakshmanaL
                        Lakshmana @scottalanmiller
                        last edited by

                        @scottalanmiller I will ask this in another thread

                        1 Reply Last reply Reply Quote 1
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