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    XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!

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    xenserver xenserver 6.2 iscsi san
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    • scottalanmillerS
      scottalanmiller
      last edited by

      We need to see the Xen logs, too. Those are the logs with "xen" in the name.

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      • C
        CitrixNewbJD @scottalanmiller
        last edited by

        @scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

        We need to see the Xen logs, too. Those are the logs with "xen" in the name.
        I can't upload the .gz to here. Can I open the contents in wordpad? Sorry if I missed something.

        0_1482866277151_Screenshot 2016-12-27 13.17.43.png

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        • scottalanmillerS
          scottalanmiller
          last edited by

          No current logs at all?

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          • C
            CitrixNewbJD @CitrixNewbJD
            last edited by

            @CitrixNewbJD

            It ate my text. How do I display the logs to you? Sorry. A lot of new knowledge in a short period of time, combined with stress.

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            • C
              CitrixNewbJD @scottalanmiller
              last edited by

              @scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

              No current logs at all?

              0_1482866370090_Screenshot 2016-12-27 13.19.21.png

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              • C
                CitrixNewbJD @CitrixNewbJD
                last edited by

                @CitrixNewbJD

                Sorry, ate my text again. Unless I should be looking somewhere else...

                scottalanmillerS 1 Reply Last reply Reply Quote 0
                • C
                  CitrixNewbJD
                  last edited by

                  Is there any way to tell why the hosts can't even attach to their own local storage, or why it was unplugged in the first place?

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

                    @CitrixNewbJD said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                    @CitrixNewbJD

                    Sorry, ate my text again. Unless I should be looking somewhere else...

                    Get us the SMlog tail...

                    tail -n 100 SMlog
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                    • scottalanmillerS
                      scottalanmiller
                      last edited by

                      Then let's see what is in the xen folder, too.

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                      • C
                        CitrixNewbJD @scottalanmiller
                        last edited by

                        @scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                        @CitrixNewbJD said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                        @CitrixNewbJD

                        Sorry, ate my text again. Unless I should be looking somewhere else...

                        Get us the SMlog tail...

                        tail -n 100 SMlog

                        Dec 27 13:24:41 xen2 SM: [6456]   |- 5:0:0:1 sdf 8:80  failed faulty running
Dec 27 13:24:41 xen2 SM: [6456]   `- 7:0:0:1 sdl 8:176 active ready  running
Dec 27 13:24:41 xen2 SM: [6456] multipathd>
Dec 27 13:24:41 xen2 SM: [6456] MPATH:  Set val: [1, 4]
Dec 27 13:24:41 xen2 SM: [6456] Matched SCSIid, updating 360024e800070ed06000007f54dba7bfb
Dec 27 13:24:41 xen2 SM: [6456] MPATH: Updating entry for [360024e800070ed06000007f54dba7bfb], current: [0, 4]
Dec 27 13:24:41 xen2 SM: [6456] MPATH: Update done
Dec 27 13:24:41 xen2 SM: [6456] lock: closed /var/lock/sm/mpathcount2/host
Dec 27 13:24:41 xen2 SM: [6456] lock: released /var/lock/sm/mpathcount1/host
Dec 27 13:24:41 xen2 SM: [6456] lock: closed /var/lock/sm/mpathcount1/host
Dec 27 13:24:41 xen2 SM: [6579] lock: acquired /var/lock/sm/mpathcount1/host
Dec 27 13:24:41 xen2 SM: [6579] lock: released /var/lock/sm/mpathcount2/host
Dec 27 13:24:41 xen2 SM: [6579] MPATH: I get the lock
Dec 27 13:24:41 xen2 SM: [6579] Matched SCSIid, updating 360024e80007b786a000004134a9670f3
Dec 27 13:24:41 xen2 SM: [6579] MPATH: Updating entry for [360024e80007b786a000004134a9670f3], current: [2, 4]
Dec 27 13:24:41 xen2 SM: [6579] Matched SCSIid, updating 360024e800054baef0000ddd550c85082
Dec 27 13:24:41 xen2 SM: [6579] MPATH: Updating entry for [360024e800054baef0000ddd550c85082], current: [4, 4]
Dec 27 13:24:41 xen2 SM: [6579] Matched SCSIid, updating 360024e800070ed06000004314a967309
Dec 27 13:24:41 xen2 SM: [6579] MPATH: Updating entry for [360024e800070ed06000004314a967309], current: [1, 4]
Dec 27 13:24:41 xen2 SM: [6579] mpath cmd: show map 360024e800070ed06000004314a967309 topology
Dec 27 13:24:41 xen2 SM: [6663] MPATH: Trying to acquire the lock
Dec 27 13:24:41 xen2 SM: [6663] lock: tried lock /var/lock/sm/mpathcount1/host, acquired: False (exists: True)
Dec 27 13:24:41 xen2 SM: [6663] lock: tried lock /var/lock/sm/mpathcount2/host, acquired: True (exists: True)
Dec 27 13:24:41 xen2 SM: [6663] Failed to lock /var/lock/sm/mpathcount1/host on first attempt, blocked by PID 6579
Dec 27 13:24:41 xen2 SM: [6666] MPATH: Trying to acquire the lock
Dec 27 13:24:41 xen2 SM: [6666] lock: tried lock /var/lock/sm/mpathcount1/host, acquired: False (exists: True)
Dec 27 13:24:41 xen2 SM: [6666] lock: tried lock /var/lock/sm/mpathcount2/host, acquired: False (exists: True)
Dec 27 13:24:41 xen2 SM: [6666] lock: closed /var/lock/sm/mpathcount2/host
Dec 27 13:24:41 xen2 SM: [6666] lock: closed /var/lock/sm/mpathcount1/host
Dec 27 13:24:41 xen2 SM: [6579] mpath output: multipathd> 360024e800070ed06000004314a967309 dm-0 DELL,MD3000i
Dec 27 13:24:41 xen2 SM: [6579] size=1.4T features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 rdac' wp=rw
Dec 27 13:24:41 xen2 SM: [6579] |-+- policy='round-robin 0' prio=4 status=active
Dec 27 13:24:41 xen2 SM: [6579] | |- 6:0:0:1 sdi 8:128 active ghost  running
Dec 27 13:24:41 xen2 SM: [6579] | `- 4:0:0:1 sdc 8:32  failed faulty running
Dec 27 13:24:41 xen2 SM: [6579] `-+- policy='round-robin 0' prio=3 status=enabled
Dec 27 13:24:41 xen2 SM: [6579]   |- 5:0:0:1 sdf 8:80  failed faulty running
Dec 27 13:24:41 xen2 SM: [6579]   `- 7:0:0:1 sdl 8:176 active ready  running
Dec 27 13:24:41 xen2 SM: [6579] multipathd>
Dec 27 13:24:41 xen2 SM: [6579] mpath cmd: show map 360024e800070ed06000004314a967309 topology
Dec 27 13:24:41 xen2 SM: [6579] mpath output: multipathd> 360024e800070ed06000004314a967309 dm-0 DELL,MD3000i
Dec 27 13:24:41 xen2 SM: [6579] size=1.4T features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 rdac' wp=rw
Dec 27 13:24:41 xen2 SM: [6579] |-+- policy='round-robin 0' prio=4 status=active
Dec 27 13:24:41 xen2 SM: [6579] | |- 6:0:0:1 sdi 8:128 active ghost  running
Dec 27 13:24:41 xen2 SM: [6579] | `- 4:0:0:1 sdc 8:32  failed faulty running
Dec 27 13:24:41 xen2 SM: [6579] `-+- policy='round-robin 0' prio=3 status=enabled
Dec 27 13:24:41 xen2 SM: [6579]   |- 5:0:0:1 sdf 8:80  failed faulty running
Dec 27 13:24:41 xen2 SM: [6579]   `- 7:0:0:1 sdl 8:176 active ready  running
Dec 27 13:24:41 xen2 SM: [6579] multipathd>
Dec 27 13:24:41 xen2 SM: [6579] MPATH:  Set val: [2, 4]
Dec 27 13:24:41 xen2 SM: [6579] Matched SCSIid, updating 360024e800070ed06000007f54dba7bfb
Dec 27 13:24:41 xen2 SM: [6579] MPATH: Updating entry for [360024e800070ed06000007f54dba7bfb], current: [0, 4]
Dec 27 13:24:41 xen2 SM: [6579] MPATH: Update done
Dec 27 13:24:41 xen2 SM: [6579] lock: closed /var/lock/sm/mpathcount2/host
Dec 27 13:24:41 xen2 SM: [6579] lock: released /var/lock/sm/mpathcount1/host
Dec 27 13:24:41 xen2 SM: [6579] lock: closed /var/lock/sm/mpathcount1/host
Dec 27 13:24:41 xen2 SM: [6663] lock: acquired /var/lock/sm/mpathcount1/host
Dec 27 13:24:41 xen2 SM: [6663] lock: released /var/lock/sm/mpathcount2/host
Dec 27 13:24:41 xen2 SM: [6663] MPATH: I get the lock
Dec 27 13:24:41 xen2 SM: [6663] Matched SCSIid, updating 360024e80007b786a000004134a9670f3
Dec 27 13:24:41 xen2 SM: [6663] MPATH: Updating entry for [360024e80007b786a000004134a9670f3], current: [2, 4]
Dec 27 13:24:41 xen2 SM: [6663] Matched SCSIid, updating 360024e800054baef0000ddd550c85082
Dec 27 13:24:41 xen2 SM: [6663] MPATH: Updating entry for [360024e800054baef0000ddd550c85082], current: [4, 4]
Dec 27 13:24:41 xen2 SM: [6663] Matched SCSIid, updating 360024e800070ed06000004314a967309
Dec 27 13:24:41 xen2 SM: [6663] MPATH: Updating entry for [360024e800070ed06000004314a967309], current: [2, 4]
Dec 27 13:24:41 xen2 SM: [6663] mpath cmd: show map 360024e800070ed06000004314a967309 topology
Dec 27 13:24:41 xen2 SM: [6663] mpath output: multipathd> 360024e800070ed06000004314a967309 dm-0 DELL,MD3000i
Dec 27 13:24:41 xen2 SM: [6663] size=1.4T features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 rdac' wp=rw
Dec 27 13:24:41 xen2 SM: [6663] |-+- policy='round-robin 0' prio=4 status=active
Dec 27 13:24:41 xen2 SM: [6663] | |- 6:0:0:1 sdi 8:128 active ghost  running
Dec 27 13:24:41 xen2 SM: [6663] | `- 4:0:0:1 sdc 8:32  failed faulty running
Dec 27 13:24:41 xen2 SM: [6663] `-+- policy='round-robin 0' prio=3 status=enabled
Dec 27 13:24:41 xen2 SM: [6663]   |- 5:0:0:1 sdf 8:80  failed faulty running
Dec 27 13:24:41 xen2 SM: [6663]   `- 7:0:0:1 sdl 8:176 active ready  running
Dec 27 13:24:41 xen2 SM: [6663] multipathd>
Dec 27 13:24:41 xen2 SM: [6663] mpath cmd: show map 360024e800070ed06000004314a967309 topology
Dec 27 13:24:42 xen2 SM: [6663] mpath output: multipathd> 360024e800070ed06000004314a967309 dm-0 DELL,MD3000i
Dec 27 13:24:42 xen2 SM: [6663] size=1.4T features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 rdac' wp=rw
Dec 27 13:24:42 xen2 SM: [6663] |-+- policy='round-robin 0' prio=4 status=active
Dec 27 13:24:42 xen2 SM: [6663] | |- 6:0:0:1 sdi 8:128 active ghost  running
Dec 27 13:24:42 xen2 SM: [6663] | `- 4:0:0:1 sdc 8:32  failed faulty running
Dec 27 13:24:42 xen2 SM: [6663] `-+- policy='round-robin 0' prio=3 status=enabled
Dec 27 13:24:42 xen2 SM: [6663]   |- 5:0:0:1 sdf 8:80  failed faulty running
Dec 27 13:24:42 xen2 SM: [6663]   `- 7:0:0:1 sdl 8:176 active ready  running
Dec 27 13:24:42 xen2 SM: [6663] multipathd>
Dec 27 13:24:42 xen2 SM: [6663] Matched SCSIid, updating 360024e800070ed06000007f54dba7bfb
Dec 27 13:24:42 xen2 SM: [6663] MPATH: Updating entry for [360024e800070ed06000007f54dba7bfb], current: [0, 4]
Dec 27 13:24:42 xen2 SM: [6663] MPATH: Update done
Dec 27 13:24:42 xen2 SM: [6663] lock: closed /var/lock/sm/mpathcount2/host
Dec 27 13:24:42 xen2 SM: [6663] lock: released /var/lock/sm/mpathcount1/host
Dec 27 13:24:42 xen2 SM: [6663] lock: closed /var/lock/sm/mpathcount1/host
Dec 27 13:24:42 xen2 SM: [6728] MPATH: Trying to acquire the lock
Dec 27 13:24:42 xen2 SM: [6728] lock: tried lock /var/lock/sm/mpathcount1/host, acquired: True (exists: True)
Dec 27 13:24:42 xen2 SM: [6728] MPATH: I get the lock
Dec 27 13:24:42 xen2 SM: [6728] Matched SCSIid, updating 360024e80007b786a000004134a9670f3
Dec 27 13:24:42 xen2 SM: [6728] MPATH: Updating entry for [360024e80007b786a000004134a9670f3], current: [2, 4]
Dec 27 13:24:42 xen2 SM: [6728] Matched SCSIid, updating 360024e800054baef0000ddd550c85082
Dec 27 13:24:42 xen2 SM: [6728] MPATH: Updating entry for [360024e800054baef0000ddd550c85082], current: [4, 4]
Dec 27 13:24:42 xen2 SM: [6728] Matched SCSIid, updating 360024e800070ed06000004314a967309
Dec 27 13:24:42 xen2 SM: [6728] MPATH: Updating entry for [360024e800070ed06000004314a967309], current: [2, 4]
Dec 27 13:24:42 xen2 SM: [6728] mpath cmd: show map 360024e800070ed06000004314a967309 topology
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                        • C
                          CitrixNewbJD
                          last edited by

                          0_1482866750909_Screenshot 2016-12-27 13.25.40.png

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

                            @CitrixNewbJD okay, no need to look in the xen folder, that's not going to be a useful log 🙂

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                            • scottalanmillerS
                              scottalanmiller
                              last edited by

                              I'm discussing conversion options with Scale. Looks like moving the disk images over would not be too hard as long as you can pull them off of the SAN.

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                              • scottalanmillerS
                                scottalanmiller
                                last edited by

                                If you do this...

                                cd ..

                                It will take you back to the main logs. What is the output of this...

                                ls | grep -i xen
                                C 1 Reply Last reply Reply Quote 0
                                • scottalanmillerS
                                  scottalanmiller
                                  last edited by

                                  While you are working on that, this is a good time to discuss triage. In all honesty, this is an old, unmaintained cluster. What is the hardware of the compute nodes?

                                  The storage is poor. Even if we fix things, the system is very old in both software and hardware. So it's only a bandaid. Which is very doable, but it is what it is.

                                  Doing a migration, like right now, might be the logical path forward. Let's get your specs for the current cluster, concerns for a new one and discuss if that's a real possibility. Also, what is the moment to moment impact of the outage?

                                  C 1 Reply Last reply Reply Quote 1
                                  • C
                                    CitrixNewbJD @scottalanmiller
                                    last edited by

                                    @scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                                    If you do this...

                                    cd ..

                                    It will take you back to the main logs. What is the output of this...

                                    ls | grep -i xen

                                    [root@xen2 ~]# ls | grep -i xen
xen2pooldb
[root@xen2 ~]#
                                    scottalanmillerS 1 Reply Last reply Reply Quote 0
                                    • scottalanmillerS
                                      scottalanmiller @CitrixNewbJD
                                      last edited by

                                      @CitrixNewbJD said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                                      @scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                                      If you do this...

                                      cd ..

                                      It will take you back to the main logs. What is the output of this...

                                      ls | grep -i xen

                                      [root@xen2 ~]# ls | grep -i xen
xen2pooldb
[root@xen2 ~]#

                                      What does this return...

                                      pwd
                                      C 1 Reply Last reply Reply Quote 0
                                      • C
                                        CitrixNewbJD @scottalanmiller
                                        last edited by

                                        @scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                                        While you are working on that, this is a good time to discuss triage. In all honesty, this is an old, unmaintained cluster. What is the hardware of the compute nodes?

                                        The storage is poor. Even if we fix things, the system is very old in both software and hardware. So it's only a bandaid. Which is very doable, but it is what it is.

                                        Doing a migration, like right now, might be the logical path forward. Let's get your specs for the current cluster, concerns for a new one and discuss if that's a real possibility. Also, what is the moment to moment impact of the outage?

                                        I actually have a quote for a cluster from Scale that I had planned to try to push forward with the owner of the company when he returns from Europe next week. In the interest of properly giving you the information that you need, I want to be sure you're aware of that.

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

                                          @scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                                          @CitrixNewbJD said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                                          @scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                                          If you do this...

                                          cd ..

                                          It will take you back to the main logs. What is the output of this...

                                          ls | grep -i xen

                                          [root@xen2 ~]# ls | grep -i xen
xen2pooldb
[root@xen2 ~]#

                                          What does this return...

                                          pwd

                                          /root

                                          DashrenderD scottalanmillerS 2 Replies Last reply Reply Quote 0
                                          • DashrenderD
                                            Dashrender @CitrixNewbJD
                                            last edited by

                                            @CitrixNewbJD said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                                            @scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                                            @CitrixNewbJD said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                                            @scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:

                                            If you do this...

                                            cd ..

                                            It will take you back to the main logs. What is the output of this...

                                            ls | grep -i xen

                                            [root@xen2 ~]# ls | grep -i xen
xen2pooldb
[root@xen2 ~]#

                                            What does this return...

                                            pwd

                                            /root

                                            that explains a lot - I think you want to be in /var/logs

                                             cd /var/logs
                                            scottalanmillerS 1 Reply Last reply Reply Quote 0
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