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    Fedora Powerloss

    IT Discussion
    fedora 27 kvm power outage
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    • thwrT
      thwr @dafyre
      last edited by thwr

      @dafyre said in Fedora Powerloss:

      @scottalanmiller said in Fedora Powerloss:

      @dafyre said in Fedora Powerloss:

      @scottalanmiller said in Fedora Powerloss:

      @thwr said in Fedora Powerloss:

      @scottalanmiller said in Fedora Powerloss:

      @emad-r said in Fedora Powerloss:

      @mattbagan said in Fedora Powerloss:

      sume, I would need to start over with the vm installs, considering they were in the middle of installing the OS. Host machine is setup with mdadm raid.

      check the file system for errors + scrub the raid array if you are paranoid

      XFS doesn't even have a filesystem check utility 🙂

      xfs_check
      http://docs.cray.com/books/S-2377-22/html-S-2377-22/z1029470303.html

      Does it actually do something? XFS famously does a placebo check.

      Yes, it actually does something. It's fixed a couple of systems here for me that wouldn't mount a data drive.

      Interesting. With XFS?

      Yepp. I know the system is XFS. I'm trying to get connected to it now, but it lost it's AD connection and I don't have a local login on it, lol.

      Can't you boot the machine using some LiveCD and alter the PAM order / add pam_unix/pam_localuser? You could also change root's password this way. This only works if the drive is not encrypted or you have the key.

      dafyreD 1 Reply Last reply Reply Quote 0
      • dafyreD
        dafyre @thwr
        last edited by

        @thwr said in Fedora Powerloss:

        @dafyre said in Fedora Powerloss:

        @scottalanmiller said in Fedora Powerloss:

        @dafyre said in Fedora Powerloss:

        @scottalanmiller said in Fedora Powerloss:

        @thwr said in Fedora Powerloss:

        @scottalanmiller said in Fedora Powerloss:

        @emad-r said in Fedora Powerloss:

        @mattbagan said in Fedora Powerloss:

        sume, I would need to start over with the vm installs, considering they were in the middle of installing the OS. Host machine is setup with mdadm raid.

        check the file system for errors + scrub the raid array if you are paranoid

        XFS doesn't even have a filesystem check utility 🙂

        xfs_check
        http://docs.cray.com/books/S-2377-22/html-S-2377-22/z1029470303.html

        Does it actually do something? XFS famously does a placebo check.

        Yes, it actually does something. It's fixed a couple of systems here for me that wouldn't mount a data drive.

        Interesting. With XFS?

        Yepp. I know the system is XFS. I'm trying to get connected to it now, but it lost it's AD connection and I don't have a local login on it, lol.

        Can't you boot the machine using some LiveCD and alter the PAM order / add pam_unix/pam_localuser? You could also change root's password this way. This only works if the drive is not encrypted or you have the key.

        Yeah, I could do that, but I like my job, lol. In an emergency that's what we do, but this isn't an emergency (the system is up, my login isn't working).

        thwrT 1 Reply Last reply Reply Quote 1
        • thwrT
          thwr @dafyre
          last edited by

          @dafyre said in Fedora Powerloss:

          @thwr said in Fedora Powerloss:

          @dafyre said in Fedora Powerloss:

          @scottalanmiller said in Fedora Powerloss:

          @dafyre said in Fedora Powerloss:

          @scottalanmiller said in Fedora Powerloss:

          @thwr said in Fedora Powerloss:

          @scottalanmiller said in Fedora Powerloss:

          @emad-r said in Fedora Powerloss:

          @mattbagan said in Fedora Powerloss:

          sume, I would need to start over with the vm installs, considering they were in the middle of installing the OS. Host machine is setup with mdadm raid.

          check the file system for errors + scrub the raid array if you are paranoid

          XFS doesn't even have a filesystem check utility 🙂

          xfs_check
          http://docs.cray.com/books/S-2377-22/html-S-2377-22/z1029470303.html

          Does it actually do something? XFS famously does a placebo check.

          Yes, it actually does something. It's fixed a couple of systems here for me that wouldn't mount a data drive.

          Interesting. With XFS?

          Yepp. I know the system is XFS. I'm trying to get connected to it now, but it lost it's AD connection and I don't have a local login on it, lol.

          Can't you boot the machine using some LiveCD and alter the PAM order / add pam_unix/pam_localuser? You could also change root's password this way. This only works if the drive is not encrypted or you have the key.

          Yeah, I could do that, but I like my job, lol. In an emergency that's what we do, but this isn't an emergency (the system is up, my login isn't working).

          If you say so 😉

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