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    Solved CentOS 7 VM will not boot

    IT Discussion
    centos centos 7 linux virtualization hyper-v hyper-v 2012 r2
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    • scottalanmillerS
      scottalanmiller
      last edited by

      What hypervisor is that?

      If the firmware failed, maybe that is the issue.

      JaredBuschJ 1 Reply Last reply Reply Quote 0
      • JaredBuschJ
        JaredBusch @scottalanmiller
        last edited by JaredBusch

        @scottalanmiller said:

        What hypervisor is that?
        If the firmware failed, maybe that is the issue.

        Hyper-V Role inside Server 2012 R2.

        I did a quick Google and did not get any results. But I had to leave for a dinner with the family and friends. Will look again tonight.

        1 Reply Last reply Reply Quote 0
        • ?
          A Former User
          last edited by

          The Panic Code refers to a IPMI (BIOS) Issue. I wonder if you could just make a new VM and attach the disk to it and boot it?

          JaredBuschJ 1 Reply Last reply Reply Quote 0
          • JaredBuschJ
            JaredBusch @A Former User
            last edited by

            @thecreativeone91 said:

            The Panic Code refers to a IPMI (BIOS) Issue. I wonder if you could just make a new VM and attach the disk to it and boot it?

            Was thinking to try that if my google fu fails later. Maybe I should just try it first.

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

              Not familiar with what might make HyperV do that 😞

              JaredBuschJ 1 Reply Last reply Reply Quote 0
              • JaredBuschJ
                JaredBusch @scottalanmiller
                last edited by

                @scottalanmiller said:

                Not familiar with what might make HyperV do that 😞

                Tried to make a new VM and just attach the VHDX with no luck.

                Created a complete VM installed CentOS and then shut down and added the old drive as a second HDD. it shows up when I check fdisk. So now to figure out how to copy the everything.

                JaredBuschJ 1 Reply Last reply Reply Quote 0
                • JaredBuschJ
                  JaredBusch @JaredBusch
                  last edited by JaredBusch

                  looks like sdb3 is not readable? sdb1 and sdb2 mounted and were readable.

                  Here is a screenshot. typo's included 🙂
                  Screen Shot 2014-08-22 at 10.31.56 PM.png

                  JaredBuschJ 1 Reply Last reply Reply Quote 0
                  • JaredBuschJ
                    JaredBusch @JaredBusch
                    last edited by

                    learning more linux.. there is the data. so how to recover.

                    Screen Shot 2014-08-22 at 10.47.59 PM.png

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                    • scottalanmillerS
                      scottalanmiller
                      last edited by

                      If you can see it like that, what is stopping you from just copying it?

                      JaredBuschJ 1 Reply Last reply Reply Quote 0
                      • JaredBuschJ
                        JaredBusch @scottalanmiller
                        last edited by

                        @scottalanmiller said:

                        If you can see it like that, what is stopping you from just copying it?

                        i copied that. now looking for the mariadb files

                        JaredBuschJ 1 Reply Last reply Reply Quote 0
                        • JaredBuschJ
                          JaredBusch @JaredBusch
                          last edited by

                          found the db files. now to figure out how to connect them

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

                            Oh database files, that sucks. What DB engine is it? MyISAM? InnoDB? Something else?

                            JaredBuschJ 1 Reply Last reply Reply Quote 0
                            • JaredBuschJ
                              JaredBusch @scottalanmiller
                              last edited by

                              @scottalanmiller said:

                              Oh database files, that sucks. What DB engine is it? MyISAM? InnoDB? Something else?

                              Wordpress database. running on centos7. so it is mariadb

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                              • scottalanmillerS
                                scottalanmiller
                                last edited by

                                MariaDB is an RDBMS. It isn't a DB engine. It uses other engines. MyISAM and InnoDB are the two most common. There is no MariaDB database engine option.

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                                • JaredBuschJ
                                  JaredBusch
                                  last edited by

                                  http://daerma.com now loads. the rest popped up the initial wordpress config. going to recopy the db files from the mysql folder

                                  JaredBuschJ 1 Reply Last reply Reply Quote 0
                                  • JaredBuschJ
                                    JaredBusch
                                    last edited by JaredBusch

                                    @JaredBusch said:

                                    http://daerma.com now loads. the rest popped up the initial wordpress config. going to recopy the db files from the mysql folder

                                    daerma.com is giving me some weird permission error too .i cannot install a plugin or theme, because it pops the FTP login info like my old install did. but I chown'd the wp directory to apache:apache. not sure what is up.

                                    scottalanmillerS 1 Reply Last reply Reply Quote 0
                                    • JaredBuschJ
                                      JaredBusch @JaredBusch
                                      last edited by JaredBusch

                                      well i have been unable to recover everything correctly by copying from the drive that was originally attached.

                                      Would it be possible to copy the boot partitions to the old drive and then try and attach it as the primary drive? That is more in depth CentOS than I know how to handle.

                                      scottalanmillerS 1 Reply Last reply Reply Quote 0
                                      • JaredBuschJ
                                        JaredBusch
                                        last edited by

                                        At this point I think i will just nuke and rebuild from scratch if I cannot copy the boot partition and have the system come back up. Going to be out all afternoon with the family so looking forward to any ideas you all come up with.

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

                                          @JaredBusch said:

                                          @JaredBusch said:

                                          http://daerma.com now loads. the rest popped up the initial wordpress config. going to recopy the db files from the mysql folder

                                          daerma.com is giving me some weird permission error too .i cannot install a plugin or theme, because it pops the FTP login info like my old install did. but I chown'd the wp directory to apache:apache. not sure what is up.

                                          With WP issues, I often just untar a fresh install over top of the old one to make sure that there is no cruft.

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

                                            @JaredBusch said:

                                            Would it be possible to copy the boot partitions to the old drive and then try and attach it as the primary drive? That is more in depth CentOS than I know how to handle.

                                            Possible but unlikely. That could be a lot of work to get working right.

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