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    Yes, i did reformat it(even more than once i think, last week). This
    is a pre-production system and i'm trying various options before
    moving into real life.<br>
    <br>
    <br>
    On 10/19/2011 01:19, Sunil Mushran wrote:
    <blockquote cite="mid:4E9DFB83.40603@oracle.com" type="cite">
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      Did you reformat the volume recently? or, when did you format
      last?<br>
      <br>
      On 10/18/2011 03:13 PM, Laurentiu Gosu wrote:
      <blockquote cite="mid:4E9DFA03.8030405@easic.ro" type="cite">
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        well..this is weird<br>
        ls /sys/kernel/config/cluster/CLUSTER/heartbeat/<br>
        <b>918673F06F8F4ED188DDCE14F39945F6</b>&nbsp; dead_threshold<br>
        <br>
        looks like we have different UUIDs. Where is this coming from??<br>
        <br>
        ocfs2_hb_ctl -I -u 918673F06F8F4ED188DDCE14F39945F6<br>
        918673F06F8F4ED188DDCE14F39945F6: 1 refs<br>
        <br>
        <br>
        On 10/19/2011 01:04, Sunil Mushran wrote:
        <blockquote cite="mid:4E9DF7D0.7090404@oracle.com" type="cite">Let's


          do it by hand. <br>
          rm -rf /sys/kernel/config/cluster/.../heartbeat/<b>0C4AB55FE9314FA5A9F81652FDB9B22D


          </b><br>
          <br>
          On 10/18/2011 02:52 PM, Laurentiu Gosu wrote: <br>
          <blockquote type="cite">&nbsp;ocfs2_hb_ctl -K -u
            0C4AB55FE9314FA5A9F81652FDB9B22D <br>
            ocfs2_hb_ctl: File not found by ocfs2_lookup while stopping
            heartbeat <br>
            <br>
            No improvment :( <br>
            <br>
            <br>
            On 10/19/2011 00:50, Sunil Mushran wrote: <br>
            <blockquote type="cite">See if this cleans it up. <br>
              ocfs2_hb_ctl -K -u 0C4AB55FE9314FA5A9F81652FDB9B22D <br>
              <br>
              On 10/18/2011 02:44 PM, Laurentiu Gosu wrote: <br>
              <blockquote type="cite">ocfs2_hb_ctl -I -u
                0C4AB55FE9314FA5A9F81652FDB9B22D <br>
                0C4AB55FE9314FA5A9F81652FDB9B22D: 0 refs <br>
                <br>
                <br>
                On 10/19/2011 00:43, Sunil Mushran wrote: <br>
                <blockquote type="cite">ocfs2_hb_ctl -l -u
                  0C4AB55FE9314FA5A9F81652FDB9B22D <br>
                  <br>
                  On 10/18/2011 02:40 PM, Laurentiu Gosu wrote: <br>
                  <blockquote type="cite">mounted.ocfs2 -d <br>
                    Device&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; FS&nbsp;&nbsp;&nbsp;&nbsp; Stack&nbsp;
                    UUID&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Label <br>
                    /dev/mapper/volgr1-lvol0&nbsp; ocfs2&nbsp; o2cb&nbsp;&nbsp;
                    0C4AB55FE9314FA5A9F81652FDB9B22D&nbsp; ocfs2 <br>
                    <br>
                    mounted.ocfs2 -f <br>
                    Device&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; FS&nbsp;&nbsp;&nbsp;&nbsp; Nodes <br>
                    /dev/mapper/volgr1-lvol0&nbsp; ocfs2&nbsp; ro02xsrv001 <br>
                    <br>
                    ro02xsrv001 = the other node in the cluster. <br>
                    <br>
                    By the way, there is no /dev/md-2 <br>
                    &nbsp;ls /dev/dm-* <br>
                    /dev/dm-0&nbsp; /dev/dm-1 <br>
                    <br>
                    <br>
                    On 10/19/2011 00:37, Sunil Mushran wrote: <br>
                    <blockquote type="cite">So it is not mounted. But we
                      still have a hb thread because <br>
                      hb could not be stopped during umount. The reason
                      for that <br>
                      could be the same that causes ocfs2_hb_ctl to
                      fail. <br>
                      <br>
                      Do: <br>
                      mounted.ocfs2 -d <br>
                      <br>
                      On 10/18/2011 02:32 PM, Laurentiu Gosu wrote: <br>
                      <blockquote type="cite">ls -lR
                        /sys/kernel/debug/ocfs2 <br>
                        /sys/kernel/debug/ocfs2: <br>
                        total 0 <br>
                        <br>
                        ls -lR /sys/kernel/debug/o2dlm <br>
                        /sys/kernel/debug/o2dlm: <br>
                        total 0 <br>
                        <br>
                        ocfs2_hb_ctl -I -d /dev/dm-2 <br>
                        ocfs2_hb_ctl: Device name specified was not
                        found while reading uuid <br>
                        <br>
                        There is no /dev/dm-2 mounted. <br>
                        <br>
                        <br>
                        On 10/19/2011 00:27, Sunil Mushran wrote: <br>
                        <blockquote type="cite">mount -t debugfs debugfs
                          /sys/kernel/debug <br>
                          <br>
                          Then list that dir. <br>
                          <br>
                          Also, do: <br>
                          ocfs2_hb_ctl -l -d /dev/dm-2 <br>
                          <br>
                          Be careful before killing. We want to be sure
                          that dev is not mounted. <br>
                          <br>
                          On 10/18/2011 02:23 PM, Laurentiu Gosu wrote:
                          <br>
                          <blockquote type="cite">Again&nbsp;&nbsp; the outputs: <br>
                            &nbsp;cat
/sys/kernel/config/cluster/CLUSTER/heartbeat/918673F06F8F4ED188DDCE14F39945F6/dev<br>
                            dm-2 <br>
                            ---&gt;here should be volgr1-lvol0 i guess?
                            <br>
                            <br>
                            ls -lR /sys/kernel/debug/ocfs2 <br>
                            ls: /sys/kernel/debug/ocfs2: No such file or
                            directory <br>
                            <br>
                            ls -lR /sys/kernel/debug/o2dlm <br>
                            ls: /sys/kernel/debug/o2dlm: No such file or
                            directory <br>
                            <br>
                            I think i have to enable debug first
                            somehow..? <br>
                            <br>
                            Laurentiu. <br>
                            <br>
                            On 10/19/2011 00:17, Sunil Mushran wrote: <br>
                            <blockquote type="cite">What does this
                              return? <br>
                              cat
/sys/kernel/config/cluster/CLUSTER/heartbeat/918673F06F8F4ED188DDCE14F39945F6/dev<br>
                              <br>
                              Also, do: <br>
                              ls -lR /sys/kernel/debug/ocfs2 <br>
                              ls -lR /sys/kernel/debug/o2dlm <br>
                              <br>
                              On 10/18/2011 02:14 PM, Laurentiu Gosu
                              wrote: <br>
                              <blockquote type="cite">Here is the
                                output: <br>
                                <br>
                                ls -lR /sys/kernel/config/cluster <br>
                                /sys/kernel/config/cluster: <br>
                                total 0 <br>
                                drwxr-xr-x 4 root root 0 Oct 19 00:12
                                CLUSTER <br>
                                <br>
                                /sys/kernel/config/cluster/CLUSTER: <br>
                                total 0 <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                fence_method <br>
                                drwxr-xr-x 3 root root&nbsp;&nbsp;&nbsp; 0 Oct 19 00:12
                                heartbeat <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                idle_timeout_ms <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                keepalive_delay_ms <br>
                                drwxr-xr-x 4 root root&nbsp;&nbsp;&nbsp; 0 Oct 11 20:23
                                node <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                reconnect_delay_ms <br>
                                <br>
                                /sys/kernel/config/cluster/CLUSTER/heartbeat:


                                <br>
                                total 0 <br>
                                drwxr-xr-x 2 root root&nbsp;&nbsp;&nbsp; 0 Oct 19 00:12
                                918673F06F8F4ED188DDCE14F39945F6 <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                dead_threshold <br>
                                <br>
/sys/kernel/config/cluster/CLUSTER/heartbeat/<b>918673F06F8F4ED188DDCE14F39945F6</b>:
                                <br>
                                total 0 <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                block_bytes <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                blocks <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                dev <br>
                                -r--r--r-- 1 root root 4096 Oct 19 00:12
                                pid <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                start_block <br>
                                <br>
                                /sys/kernel/config/cluster/CLUSTER/node:
                                <br>
                                total 0 <br>
                                drwxr-xr-x 2 root root 0 Oct 19 00:12
                                ro02xsrv001 <br>
                                drwxr-xr-x 2 root root 0 Oct 19 00:12
                                ro02xsrv002 <br>
                                <br>
                                /sys/kernel/config/cluster/CLUSTER/node/ro02xsrv001:


                                <br>
                                total 0 <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                ipv4_address <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                ipv4_port <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                local <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                num <br>
                                <br>
                                /sys/kernel/config/cluster/CLUSTER/node/ro02xsrv002:


                                <br>
                                total 0 <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                ipv4_address <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                ipv4_port <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                local <br>
                                -rw-r--r-- 1 root root 4096 Oct 19 00:12
                                num <br>
                                <br>
                                <br>
                                <br>
                                <br>
                                On 10/19/2011 00:12, Sunil Mushran
                                wrote: <br>
                                <blockquote type="cite">ls -lR
                                  /sys/kernel/config/cluster <br>
                                  <br>
                                  What does this return? <br>
                                  <br>
                                  On 10/18/2011 02:05 PM, Laurentiu Gosu
                                  wrote: <br>
                                  <blockquote type="cite">Hi, <br>
                                    I have a 2 nodes ocfs2 cluster
                                    running UEK 2.6.32-100.0.19.el5, <br>
                                    ocfs2console-1.6.3-2.el5,
                                    ocfs2-tools-1.6.3-2.el5. <br>
                                    My problem is that all the time when
                                    i try to run /etc/init.d/o2cb stop <br>
                                    it fails with this error: <br>
                                    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Stopping O2CB cluster CLUSTER:
                                    Failed <br>
                                    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Unable to stop cluster as
                                    heartbeat region still active <br>
                                    There is no active mount point. I
                                    tried to manually stop the
                                    heartdbeat <br>
                                    with "ocfs2_hb_ctl -K -d
                                    /dev/mapper/volgr1-lvol0 ocfs2"
                                    (after finding <br>
                                    the refs number with "ocfs2_hb_ctl
                                    -I -d /dev/mapper/volgr1-lvol0 "). <br>
                                    But even if refs number is set to
                                    zero the "heartbeat region still <br>
                                    active" occurs. <br>
                                    How can i fix this? <br>
                                    <br>
                                    Thank you in advance. <br>
                                    Laurentiu. <br>
                                    <br>
                                    <br>
                                    _______________________________________________


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                                    <br>
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