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    Ubuntu Systemd Bad Entry

    Scheduled Pinned Locked Moved IT Discussion
    systemdubuntuvmext4smartctlerrorerrorssmartcorruptedbuffer io error on devicebuffer iodm-0
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    • DustinB3403D
      DustinB3403
      last edited by

      And the array is resilvering the now replaced disk.

      As an FYI for anyone on software RAID, the drives are organized in a manner that aligns to the SATA connections on the board.

      IE : USB boot device is SDA

      SATA1 (or 0 however it is labeled) = SDB
      SATA2 = SDC
      and so on.

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      • DustinB3403D
        DustinB3403
        last edited by

        Well at least for now, the I/O errors have stopped after I replaced the bad disk in the host array and reverted the VM.

        I'll keep an eye on it and report back if the issue comes back.

        1 Reply Last reply Reply Quote 2
        • DustinB3403D
          DustinB3403
          last edited by

          And these are back.

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

            Same disk?

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

              On the guest OS there is only 1 disk (it's presented from the array).

              I checked the smart stats on each drive and found no issues. MD was also fine.

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              • DustinB3403D
                DustinB3403
                last edited by

                0_1464262100485_XenCenterMain_2016-05-26_07-28-08.png

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                • DustinB3403D
                  DustinB3403
                  last edited by

                  0_1464262144980_XenCenterMain_2016-05-26_07-28-53.png

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                  • DustinB3403D
                    DustinB3403
                    last edited by

                    Although on a separate note..... this is a shit desktop... that is acting as the hypervisor... so errors really shouldn't surprise me.

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                    • DustinB3403D
                      DustinB3403
                      last edited by

                      All disks in the host are marked as "Old_age" so there really isn't much that I can do besides assemble something else.

                      Hopefully out of newer equipment.

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

                        Maybe I'm reading this wrong.. Smart overall-health self-assessment is passed on all drives.

                        So maybe it's just a column saying "it'll fail here"

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                        • DustinB3403D
                          DustinB3403
                          last edited by

                          I'm performing long tests on each of the drives to confirm the information I have is accurate. I'll update in ~90 minutes.

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                          • scottalanmillerS
                            scottalanmiller
                            last edited by

                            You can watch this while you wait....

                            Youtube Video

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

                              @scottalanmiller said in Ubuntu Systemd Bad Entry:

                              You can watch this while you wait....

                              Youtube Video

                              hahaha thanks...

                              You might as well have Rick Rolled me.

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

                                @DustinB3403 Rick Rolling the Moldovan way.

                                1 Reply Last reply Reply Quote 2
                                • DustinB3403D
                                  DustinB3403
                                  last edited by

                                  I'm curious as to why the VM is showing these issues, but the hypervisor isn't listing any issues at all.

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

                                    @DustinB3403 said in Ubuntu Systemd Bad Entry:

                                    I'm curious as to why the VM is showing these issues, but the hypervisor isn't listing any issues at all.

                                    My guess is a driver issue. You are not getting errors from a disk but from an abstraction of the array. So you are two interfaces separated from the actual disks.

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                                    • DustinB3403D
                                      DustinB3403
                                      last edited by

                                      I'll just dump the VM, at this point it's been 4 days without a clean backup. It's only a Ubuntu VM with an NFS/SMB share.

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                                      • DustinB3403D
                                        DustinB3403
                                        last edited by

                                        So after building a new NFS/SMB vm (and deleting the old one) the new system seems fine.

                                        Something must've got corrupted because of the smartctl errors.

                                        1 Reply Last reply Reply Quote 1
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