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    <div class="moz-cite-prefix">Resending it as I suppose it was not
      delievered :(<br>
    </div>
    <blockquote cite="mid:53318BE5.40600@redhat.com" type="cite">
      <meta content="text/html; charset=ISO-8859-1"
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      <div class="moz-cite-prefix">Hi Ryan/Narayan,<br>
        <br>
        Apologies for top posting.<br>
        After today's call, we had a chat with Vijay and he added a
        hint.<br>
        <br>
        You need to enable<i><b> remote-dio</b></i> for that volume that
        serves for virt-store.<br>
        &gt; gluster volume set &lt;vol-name&gt; remote-dio enable<br>
        <br>
        Hope this could solve your issue most probably.<br>
        Could you test it with this option 'on' and let us know the
        results ?<br>
        <br>
        -- sas<br>
        <br>
        On 03/20/2014 12:40 AM, Aydelott, Ryan M. wrote:<br>
      </div>
      <blockquote
        cite="mid:E036C3FD-05E9-47DF-9278-76B880E7B742@anl.gov"
        type="cite">
        <meta http-equiv="Content-Type" content="text/html;
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        So a little further down the road I have destroyed/rebuilt the
        gluster volume and restarted glusterd on each of the nodes.
        Shortly after the instances directory is created and the
        console.log file is placed, I receive the following fuse errors
        on the client:
        <div><br>
        </div>
        <div>
          <div>&nbsp;[client-rpc-fops.c:873:client3_3_writev_cbk]
            0-novashared-client-4: remote operation failed: Invalid
            argument</div>
          <div>[2014-03-19 19:06:35.326487] W
            [client-rpc-fops.c:873:client3_3_writev_cbk]
            0-novashared-client-5: remote operation failed: Invalid
            argument</div>
          <div>[2014-03-19 19:06:35.328750] W
            [fuse-bridge.c:2167:fuse_writev_cbk] 0-glusterfs-fuse:
            106504: WRITE =&gt; -1 (Invalid argument)</div>
          <div>[2014-03-19 19:06:35.328855] W
            [fuse-bridge.c:648:fuse_truncate_cbk] 0-glusterfs-fuse:
            106505: FTRUNCATE() ERR =&gt; -1 (Bad file descriptor)</div>
          <div>[2014-03-19 19:06:35.329506] W
            [fuse-bridge.c:2167:fuse_writev_cbk] 0-glusterfs-fuse:
            106507: WRITE =&gt; -1 (Bad file descriptor)</div>
          <div>[2014-03-19 19:06:35.329775] W
            [fuse-bridge.c:648:fuse_truncate_cbk] 0-glusterfs-fuse:
            106508: FTRUNCATE() ERR =&gt; -1 (Bad file descriptor)</div>
          <div>[2014-03-19 19:06:35.330495] W
            [fuse-bridge.c:2167:fuse_writev_cbk] 0-glusterfs-fuse:
            106510: WRITE =&gt; -1 (Bad file descriptor)</div>
          <div>[2014-03-19 19:06:35.330758] W
            [fuse-bridge.c:648:fuse_truncate_cbk] 0-glusterfs-fuse:
            106511: FTRUNCATE() ERR =&gt; -1 (Bad file descriptor)</div>
          <div>[2014-03-19 19:06:35.331538] W
            [fuse-bridge.c:2167:fuse_writev_cbk] 0-glusterfs-fuse:
            106513: WRITE =&gt; -1 (Bad file descriptor)</div>
          <div>[2014-03-19 19:06:35.331792] W
            [fuse-bridge.c:648:fuse_truncate_cbk] 0-glusterfs-fuse:
            106514: FTRUNCATE() ERR =&gt; -1 (Bad file descriptor)</div>
          <div><br>
          </div>
          <div><br>
          </div>
          <div>One one of the servers the normal messages apply:</div>
          <div><br>
          </div>
          <div>
            <div>[2014-03-13 21:47:33.735042] I
              [server-handshake.c:567:server_setvolume]
              0-novashared-server: accepted client from
              cm6-p-3475-2014/03/13-21:47:33:539329-novashared-client-0-0
              (version: 3.4.2)</div>
            <div>[2014-03-18 21:17:42.763044] I
              [server.c:762:server_rpc_notify] 0-novashared-server:
              disconnecting connectionfrom
              cm6-p-3475-2014/03/13-21:47:33:539329-novashared-client-0-0</div>
            <div>[2014-03-18 21:17:42.763076] I
              [server-helpers.c:729:server_connection_put]
              0-novashared-server: Shutting down connection
              cm6-p-3475-2014/03/13-21:47:33:539329-novashared-client-0-0</div>
            <div>[2014-03-18 21:17:42.763101] I
              [server-helpers.c:617:server_connection_destroy]
              0-novashared-server: destroyed connection of
              cm6-p-3475-2014/03/13-21:47:33:539329-novashared-client-0-0</div>
            <div>[2014-03-18 21:50:02.206635] I
              [server-handshake.c:567:server_setvolume]
              0-novashared-server: accepted client from
              cm6-p-5910-2014/03/18-21:50:02:8221-novashared-client-0-0
              (version: 3.4.2)</div>
            <div>[2014-03-18 21:50:23.037886] I
              [server-handshake.c:567:server_setvolume]
              0-novashared-server: accepted client from
              cm6-p-5973-2014/03/18-21:50:22:966318-novashared-client-0-0
              (version: 3.4.2)</div>
            <div>[2014-03-18 21:50:23.051419] I
              [server.c:762:server_rpc_notify] 0-novashared-server:
              disconnecting connectionfrom
              cm6-p-5973-2014/03/18-21:50:22:966318-novashared-client-0-0</div>
            <div>[2014-03-18 21:50:23.051446] I
              [server-helpers.c:729:server_connection_put]
              0-novashared-server: Shutting down connection
              cm6-p-5973-2014/03/18-21:50:22:966318-novashared-client-0-0</div>
            <div>[2014-03-18 21:50:23.051466] I
              [server-helpers.c:617:server_connection_destroy]
              0-novashared-server: destroyed connection of
              cm6-p-5973-2014/03/18-21:50:22:966318-novashared-client-0-0</div>
            <div>[2014-03-18 21:56:22.215866] I
              [server.c:762:server_rpc_notify] 0-novashared-server:
              disconnecting connectionfrom
              cm6-p-5910-2014/03/18-21:50:02:8221-novashared-client-0-0</div>
            <div>[2014-03-18 21:56:22.215898] I
              [server-helpers.c:729:server_connection_put]
              0-novashared-server: Shutting down connection
              cm6-p-5910-2014/03/18-21:50:02:8221-novashared-client-0-0</div>
            <div>[2014-03-18 21:56:22.215923] I
              [server-helpers.c:617:server_connection_destroy]
              0-novashared-server: destroyed connection of
              cm6-p-5910-2014/03/18-21:50:02:8221-novashared-client-0-0</div>
            <div>[2014-03-18 21:57:04.821397] I
              [server-handshake.c:567:server_setvolume]
              0-novashared-server: accepted client from
              cm6-p-6815-2014/03/18-21:57:04:750942-novashared-client-0-0
              (version: 3.4.2)</div>
            <div>[2014-03-19 16:48:32.135593] I
              [server.c:762:server_rpc_notify] 0-novashared-server:
              disconnecting connectionfrom
              cm6-p-6815-2014/03/18-21:57:04:750942-novashared-client-0-0</div>
            <div>[2014-03-19 16:48:32.135629] I
              [server-helpers.c:729:server_connection_put]
              0-novashared-server: Shutting down connection
              cm6-p-6815-2014/03/18-21:57:04:750942-novashared-client-0-0</div>
            <div>[2014-03-19 16:48:32.135652] I
              [server-helpers.c:617:server_connection_destroy]
              0-novashared-server: destroyed connection of
              cm6-p-6815-2014/03/18-21:57:04:750942-novashared-client-0-0</div>
            <div>[2014-03-19 16:48:47.712973] I
              [server-handshake.c:567:server_setvolume]
              0-novashared-server: accepted client from
              cm6-p-20177-2014/03/19-16:48:47:641763-novashared-client-0-0
              (version: 3.4.2)</div>
            <div>[2014-03-19 18:07:44.332240] I
              [server.c:762:server_rpc_notify] 0-novashared-server:
              disconnecting connectionfrom
              cm6-p-20177-2014/03/19-16:48:47:641763-novashared-client-0-0</div>
            <div>[2014-03-19 18:07:44.332272] I
              [server-helpers.c:729:server_connection_put]
              0-novashared-server: Shutting down connection
              cm6-p-20177-2014/03/19-16:48:47:641763-novashared-client-0-0</div>
            <div>[2014-03-19 18:07:44.332296] I
              [server-helpers.c:617:server_connection_destroy]
              0-novashared-server: destroyed connection of
              cm6-p-20177-2014/03/19-16:48:47:641763-novashared-client-0-0</div>
            <div>[2014-03-19 19:00:51.369205] I
              [server-handshake.c:567:server_setvolume]
              0-novashared-server: accepted client from
              cm6-p-21755-2014/03/19-19:00:51:286018-novashared-client-0-0
              (version: 3.4.2)</div>
          </div>
          <div><br>
          </div>
          <div><br>
          </div>
          <div>These are all on 3.4.2 with Ubuntu 13.10.&nbsp;</div>
          <div><br>
          </div>
          <div><br>
          </div>
          <div>-ryan</div>
          <div><br>
          </div>
          <div><br>
          </div>
          <div>
            <div>On Mar 19, 2014, at 11:15 AM, Carlos Capriotti &lt;<a
                moz-do-not-send="true"
                href="mailto:capriotti.carlos@gmail.com">capriotti.carlos@gmail.com</a>&gt;

              wrote:</div>
            <br class="Apple-interchange-newline">
            <blockquote type="cite">
              <div style="font-family: Helvetica; font-size: 12px;
                font-style: normal; font-variant: normal; font-weight:
                normal; letter-spacing: normal; line-height: normal;
                orphans: auto; text-align: start; text-indent: 0px;
                text-transform: none; white-space: normal; widows: auto;
                word-spacing: 0px; -webkit-text-stroke-width: 0px;">This
                rings a bell...<br>
                <br>
                I mapped a remote nfs share to one of my nodes and
                mapped the local nfs<br>
                share, to the "local" gluster volume as well and started
                to copy (with cp)<br>
                files from one mount to the other.<br>
                <br>
                Somewhere down the line all stalled, the server was
                irresponsive, even<br>
                restarting glusterd solved nothing. Had to reboot the
                nodes.<br>
                <br>
                CentOS 6.5 and Gluster 3.4.2.<br>
                <br>
                Since then, &nbsp;I haven't tried those copies, but, I also,
                I am now using the<br>
                native glusterfs client just in case.<br>
                <br>
                <br>
                <br>
                <br>
                On Wed, Mar 19, 2014 at 3:51 PM, Ray Powell &lt;<a
                  moz-do-not-send="true"
                  href="mailto:rpowell1@uchicago.edu">rpowell1@uchicago.edu</a>&gt;

                wrote:<br>
                <br>
                <blockquote type="cite">-----BEGIN PGP SIGNED
                  MESSAGE-----<br>
                  Hash: SHA512<br>
                  <br>
                  I have not seen that with the fuse client. &nbsp;I had it
                  happen repeatedly<br>
                  when we were using gluster/NFS for
                  /var/lib/nova/instances and/or<br>
                  /var/lib/nova/instances/_base. &nbsp;The access to
                  instances-XXXXXX/disk<br>
                  (or its qcow2 backing image) would hang completely or
                  be very slow<br>
                  under heavy load. &nbsp;The VM interprets the delay as a
                  problem on<br>
                  /dev/vda and remounts RO.<br>
                  <br>
                  <br>
                  On 3/18/14, 5:04 PM, Aydelott, Ryan M. wrote:<br>
                  <blockquote type="cite">I was wondering if anyone had
                    seen similar issues before, when<br>
                    booting a vm with a root volume on local disk things
                    work fine.<br>
                    <br>
                    When I try to do the same with
                    /var/lib/nova/instances mounted via<br>
                    gluster/fuse I get the following: <a
                      moz-do-not-send="true"
                      href="http://paste.ubuntu.com/7116594/">http://paste.ubuntu.com/7116594/</a><br>
                    <br>
                    I have of course insured perms were correct with
                    chown -R nova:nova<br>
                    /var/lib/nova/instances, additionally app armor is
                    completely<br>
                    unloaded/disabled.<br>
                    <br>
                    Has anyone encountered this before? Gluster version
                    is 3.4.2<br>
                    <br>
                    <br>
                    -ryan<br>
                    <br>
                    <br>
                    <br>
                    <br>
                    _______________________________________________
                    Gluster-users<br>
                    mailing list <a moz-do-not-send="true"
                      href="mailto:Gluster-users@gluster.org">Gluster-users@gluster.org</a><br>
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                      href="http://supercolony.gluster.org/mailman/listinfo/gluster-users">http://supercolony.gluster.org/mailman/listinfo/gluster-users</a><br>
                    <br>
                  </blockquote>
                  <br>
                  - --<br>
                  Raymond Powell<br>
                  Systems Administrator<br>
                  Laboratory for Advanced Computing<br>
                  University of Chicago, KCBD 10160<br>
                  900 East 57th Street<br>
                  Chicago, IL 60637<br>
                  -----BEGIN PGP SIGNATURE-----<br>
                  Version: GnuPG/MacGPG2 v2.0.22 (Darwin)<br>
                  Comment: GPGTools -<span class="Apple-converted-space">&nbsp;</span><a
                    moz-do-not-send="true" href="http://gpgtools.org/">http://gpgtools.org</a><br>
                  Comment: Using GnuPG with Thunderbird -<span
                    class="Apple-converted-space">&nbsp;</span><a
                    moz-do-not-send="true"
                    href="http://www.enigmail.net/">http://www.enigmail.net/</a><br>
                  <br>
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                  +UhAq6+74ie1MokNssB8<br>
                  =un7j<br>
                  -----END PGP SIGNATURE-----<br>
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                  Gluster-users mailing list<br>
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                  <br>
                </blockquote>
                _______________________________________________<br>
                Gluster-users mailing list<br>
                <a moz-do-not-send="true"
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            </blockquote>
          </div>
          <br>
        </div>
        <br>
        <fieldset class="mimeAttachmentHeader"></fieldset>
        <br>
        <pre wrap="">_______________________________________________
Gluster-users mailing list
<a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:Gluster-users@gluster.org">Gluster-users@gluster.org</a>
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      </blockquote>
      <br>
    </blockquote>
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