<div dir="ltr"><div><div>From gl4.dump file:<br><br>glusterd.peer4.hostname=gl5                                                        <br>glusterd.peer4.port=0                                                              <br>glusterd.peer4.state=3                                                             <br>glusterd.peer4.quorum-action=0                                                     <br>glusterd.peer4.quorum-contrib=2                                                    <br>glusterd.peer4.detaching=0                                                         <br>glusterd.peer4.locked=0                                                            <br>glusterd.peer4.rpc.peername=                                                       <br><b>glusterd.peer4.rpc.connected=0    </b>   <b>&lt;===== this indicates the gl5 is not connected with gl4, so add-brick command failed as it supposed to in this case </b>                                               <br>glusterd.peer4.rpc.total-bytes-read=0                                              <br>glusterd.peer4.rpc.total-bytes-written=0                                           <br>glusterd.peer4.rpc.ping_msgs_sent=0                                                <br>glusterd.peer4.rpc.msgs_sent=0<br><br></div>And the same goes true for gl6 as well as per this dump. So the issue is with gl4 node.<br><br></div><div>Now, in gl4&#39;s glusterd log I see the repetitive entries of following logs:<br><br>[2016-12-13 16:35:31.438462] E [name.c:262:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host gl5<br>[2016-12-13 16:35:33.440155] E [name.c:262:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host gl6<br>[2016-12-13 16:35:34.441639] E [name.c:262:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host gl5<br>[2016-12-13 16:35:36.454546] E [name.c:262:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host gl6<br>[2016-12-13 16:35:37.456062] E [name.c:262:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host gl5 <br><br></div><div>The above indicates that gl4 is not able to resolve the DNS name for gl5 &amp; gl6 where as in gl5 &amp; gl6 it could resolve for gl4. Please check your DNS configuration and see if there are any incorrect entries put up there. From our side what we need to check is why peer status didn&#39;t show both gl5 &amp; gl6 as disconnected.<br><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Dec 14, 2016 at 12:44 AM, Cedric Lemarchand <span dir="ltr">&lt;<a href="mailto:yipikai7@gmail.com" target="_blank">yipikai7@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div>Thanks Atin, the files you asked : <a href="https://we.tl/XrOvFhffGq" target="_blank">https://we.tl/XrOvFhffGq</a></div><div><div class="h5"><div><br></div><div><blockquote type="cite"><div>On 13 Dec 2016, at 19:08, Atin Mukherjee &lt;<a href="mailto:amukherj@redhat.com" target="_blank">amukherj@redhat.com</a>&gt; wrote:</div><br class="m_-2635758297168744153Apple-interchange-newline"><div><div><div>Thanks, we will get back on this. In the mean time can you please also share glusterd statedump file from both the nodes? The way to take statedump is &#39;kill -SIGUSR1 $(pidof glusterd)&#39; and the file can be found at /var/run/gluster directory.</div></div><div><br><div class="gmail_quote"><div>On Tue, 13 Dec 2016 at 22:11, Cedric Lemarchand &lt;<a href="mailto:yipikai7@gmail.com" target="_blank">yipikai7@gmail.com</a>&gt; wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class="m_-2635758297168744153gmail_msg">1. sorry, 3.9.0-1<div class="m_-2635758297168744153gmail_msg">2. no it does nothing</div><div class="m_-2635758297168744153gmail_msg">3. here they are, from gl1 to gl6 : <a href="https://we.tl/EPaMs6geoR" class="m_-2635758297168744153gmail_msg" target="_blank">https://we.tl/EPaMs6geoR</a></div></div><div style="word-wrap:break-word" class="m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg"><br class="m_-2635758297168744153gmail_msg"></div><div class="m_-2635758297168744153gmail_msg"><br class="m_-2635758297168744153gmail_msg"></div><div class="m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg"><br class="m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg"><blockquote type="cite" class="m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg">On 13 Dec 2016, at 16:49, Atin Mukherjee &lt;<a href="mailto:amukherj@redhat.com" class="m_-2635758297168744153gmail_msg" target="_blank">amukherj@redhat.com</a>&gt; wrote:</div><br class="m_-2635758297168744153gmail_msg m_-2635758297168744153m_-2010779676140610534Apple-interchange-newline"><div class="m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg">And 3. In case 2 doesn&#39;t work, please provide the glusterd log files from gl1 &amp; gl5<br class="m_-2635758297168744153gmail_msg"></div><div class="gmail_extra m_-2635758297168744153gmail_msg"><br class="m_-2635758297168744153gmail_msg"><div class="gmail_quote m_-2635758297168744153gmail_msg">On Tue, Dec 13, 2016 at 9:16 PM, Atin Mukherjee <span class="m_-2635758297168744153gmail_msg">&lt;<a href="mailto:amukherj@redhat.com" class="m_-2635758297168744153gmail_msg" target="_blank">amukherj@redhat.com</a>&gt;</span> wrote:<br class="m_-2635758297168744153gmail_msg"><blockquote class="gmail_quote m_-2635758297168744153gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg">1. Could you mention which gluster version are you running with?<br class="m_-2635758297168744153gmail_msg"></div>2. Does restarting glusterd instance on gl1 &amp; gl5 solves the issue (after removing the volume-id xattr from the bricks) ?<br class="m_-2635758297168744153gmail_msg"></div><div class="gmail_extra m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg m_-2635758297168744153m_-2010779676140610534h5"><br class="m_-2635758297168744153gmail_msg"><div class="gmail_quote m_-2635758297168744153gmail_msg">On Tue, Dec 13, 2016 at 8:56 PM, Cedric Lemarchand <span class="m_-2635758297168744153gmail_msg">&lt;<a href="mailto:yipikai7@gmail.com" class="m_-2635758297168744153gmail_msg" target="_blank">yipikai7@gmail.com</a>&gt;</span> wrote:<br class="m_-2635758297168744153gmail_msg"><blockquote class="gmail_quote m_-2635758297168744153gmail_msg" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello,<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>When I try to add 3 bricks to a working cluster composed of 3 nodes / 3 bricks in dispersed mode 2+1, it fails like this :<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>root@gl1:~# gluster volume add-brick vol1 gl4:/data/br1 gl5:/data/br1 gl6:/data/br1<br class="m_-2635758297168744153gmail_msg"><br><br>volume add-brick: failed: Pre Validation failed on gl4. Host gl5 not connected<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>However all peers are connected and there aren&#39;t networking issues :<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>root@gl1:~# gluster peer status<br class="m_-2635758297168744153gmail_msg"><br><br>Number of Peers: 5<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Hostname: gl2<br class="m_-2635758297168744153gmail_msg"><br><br>Uuid: 616f100f-a3f4-46e4-b161-<wbr>ee5db5a60e26<br class="m_-2635758297168744153gmail_msg"><br><br>State: Peer in Cluster (Connected)<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Hostname: gl3<br class="m_-2635758297168744153gmail_msg"><br><br>Uuid: acb828b8-f4b3-42ab-a9d2-<wbr>b3e7b917dc9a<br class="m_-2635758297168744153gmail_msg"><br><br>State: Peer in Cluster (Connected)<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Hostname: gl4<br class="m_-2635758297168744153gmail_msg"><br><br>Uuid: 813ad056-5e84-4fdb-ac13-<wbr>38d24c748bc4<br class="m_-2635758297168744153gmail_msg"><br><br>State: Peer in Cluster (Connected)<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Hostname: gl5<br class="m_-2635758297168744153gmail_msg"><br><br>Uuid: a7933aeb-b08b-4ebb-a797-<wbr>b8ecbe5a03c6<br class="m_-2635758297168744153gmail_msg"><br><br>State: Peer in Cluster (Connected)<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Hostname: gl6<br class="m_-2635758297168744153gmail_msg"><br><br>Uuid: 63c9a6c1-0adf-4cf5-af7b-<wbr>b28a60911c99<br class="m_-2635758297168744153gmail_msg"><br><br>State: Peer in Cluster (Connected)<br class="m_-2635758297168744153gmail_msg"><br><br> :<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>When I try a second time, the error is different :<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>root@gl1:~# gluster volume add-brick vol1 gl4:/data/br1 gl5:/data/br1 gl6:/data/br1<br class="m_-2635758297168744153gmail_msg"><br><br>volume add-brick: failed: Pre Validation failed on gl5. /data/br1 is already part of a volume<br class="m_-2635758297168744153gmail_msg"><br><br>Pre Validation failed on gl6. /data/br1 is already part of a volume<br class="m_-2635758297168744153gmail_msg"><br><br>Pre Validation failed on gl4. /data/br1 is already part of a volume<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>It seems the previous try, even if it has failed, have created the gluster attributes on file system as shown by attr on gl4/5/6 :<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Attribute &quot;glusterfs.volume-id&quot; has a 16 byte value for /data/br1<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>I already purge gluster and reformat brick on gl4/5/6 but the issue persist, any ideas ? did I miss something ?<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Some informations :<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>root@gl1:~# gluster volume info<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Volume Name: vol1<br class="m_-2635758297168744153gmail_msg"><br><br>Type: Disperse<br class="m_-2635758297168744153gmail_msg"><br><br>Volume ID: bb563884-0e2a-4757-9fd5-<wbr>cb851ba113c3<br class="m_-2635758297168744153gmail_msg"><br><br>Status: Started<br class="m_-2635758297168744153gmail_msg"><br><br>Snapshot Count: 0<br class="m_-2635758297168744153gmail_msg"><br><br>Number of Bricks: 1 x (2 + 1) = 3<br class="m_-2635758297168744153gmail_msg"><br><br>Transport-type: tcp<br class="m_-2635758297168744153gmail_msg"><br><br>Bricks:<br class="m_-2635758297168744153gmail_msg"><br><br>Brick1: gl1:/data/br1<br class="m_-2635758297168744153gmail_msg"><br><br>Brick2: gl2:/data/br1<br class="m_-2635758297168744153gmail_msg"><br><br>Brick3: gl3:/data/br1<br class="m_-2635758297168744153gmail_msg"><br><br>Options Reconfigured:<br class="m_-2635758297168744153gmail_msg"><br><br>features.scrub-freq: hourly<br class="m_-2635758297168744153gmail_msg"><br><br>features.scrub: Inactive<br class="m_-2635758297168744153gmail_msg"><br><br>features.bitrot: off<br class="m_-2635758297168744153gmail_msg"><br><br>cluster.disperse-self-heal-<wbr>daemon: enable<br class="m_-2635758297168744153gmail_msg"><br><br>transport.address-family: inet<br class="m_-2635758297168744153gmail_msg"><br><br>performance.readdir-ahead: on<br class="m_-2635758297168744153gmail_msg"><br><br>nfs.disable: on, I have the following error :<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>root@gl1:~# gluster volume status<br class="m_-2635758297168744153gmail_msg"><br><br>Status of volume: vol1<br class="m_-2635758297168744153gmail_msg"><br><br>Gluster process                             TCP Port  RDMA Port  Online  Pid<br class="m_-2635758297168744153gmail_msg"><br><br>------------------------------<wbr>------------------------------<wbr>------------------<br class="m_-2635758297168744153gmail_msg"><br><br>Brick gl1:/data/br1                         49152     0          Y       23403<br class="m_-2635758297168744153gmail_msg"><br><br>Brick gl2:/data/br1                         49152     0          Y       14545<br class="m_-2635758297168744153gmail_msg"><br><br>Brick gl3:/data/br1                         49152     0          Y       11348<br class="m_-2635758297168744153gmail_msg"><br><br>Self-heal Daemon on localhost               N/A       N/A        Y       24766<br class="m_-2635758297168744153gmail_msg"><br><br>Self-heal Daemon on gl4                     N/A       N/A        Y       1087<br class="m_-2635758297168744153gmail_msg"><br><br>Self-heal Daemon on gl5                     N/A       N/A        Y       1080<br class="m_-2635758297168744153gmail_msg"><br><br>Self-heal Daemon on gl3                     N/A       N/A        Y       12321<br class="m_-2635758297168744153gmail_msg"><br><br>Self-heal Daemon on gl2                     N/A       N/A        Y       15496<br class="m_-2635758297168744153gmail_msg"><br><br>Self-heal Daemon on gl6                     N/A       N/A        Y       1091<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Task Status of Volume vol1<br class="m_-2635758297168744153gmail_msg"><br><br>------------------------------<wbr>------------------------------<wbr>------------------<br class="m_-2635758297168744153gmail_msg"><br><br>There are no active volume tasks<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>root@gl1:~# gluster volume info<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Volume Name: vol1<br class="m_-2635758297168744153gmail_msg"><br><br>Type: Disperse<br class="m_-2635758297168744153gmail_msg"><br><br>Volume ID: bb563884-0e2a-4757-9fd5-<wbr>cb851ba113c3<br class="m_-2635758297168744153gmail_msg"><br><br>Status: Started<br class="m_-2635758297168744153gmail_msg"><br><br>Snapshot Count: 0<br class="m_-2635758297168744153gmail_msg"><br><br>Number of Bricks: 1 x (2 + 1) = 3<br class="m_-2635758297168744153gmail_msg"><br><br>Transport-type: tcp<br class="m_-2635758297168744153gmail_msg"><br><br>Bricks:<br class="m_-2635758297168744153gmail_msg"><br><br>Brick1: gl1:/data/br1<br class="m_-2635758297168744153gmail_msg"><br><br>Brick2: gl2:/data/br1<br class="m_-2635758297168744153gmail_msg"><br><br>Brick3: gl3:/data/br1<br class="m_-2635758297168744153gmail_msg"><br><br>Options Reconfigured:<br class="m_-2635758297168744153gmail_msg"><br><br>features.scrub-freq: hourly<br class="m_-2635758297168744153gmail_msg"><br><br>features.scrub: Inactive<br class="m_-2635758297168744153gmail_msg"><br><br>features.bitrot: off<br class="m_-2635758297168744153gmail_msg"><br><br>cluster.disperse-self-heal-<wbr>daemon: enable<br class="m_-2635758297168744153gmail_msg"><br><br>transport.address-family: inet<br class="m_-2635758297168744153gmail_msg"><br><br>performance.readdir-ahead: on<br class="m_-2635758297168744153gmail_msg"><br><br>nfs.disable: on<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>root@gl1:~# gluster peer status<br class="m_-2635758297168744153gmail_msg"><br><br>Number of Peers: 5<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Hostname: gl2<br class="m_-2635758297168744153gmail_msg"><br><br>Uuid: 616f100f-a3f4-46e4-b161-<wbr>ee5db5a60e26<br class="m_-2635758297168744153gmail_msg"><br><br>State: Peer in Cluster (Connected)<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Hostname: gl3<br class="m_-2635758297168744153gmail_msg"><br><br>Uuid: acb828b8-f4b3-42ab-a9d2-<wbr>b3e7b917dc9a<br class="m_-2635758297168744153gmail_msg"><br><br>State: Peer in Cluster (Connected)<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Hostname: gl4<br class="m_-2635758297168744153gmail_msg"><br><br>Uuid: 813ad056-5e84-4fdb-ac13-<wbr>38d24c748bc4<br class="m_-2635758297168744153gmail_msg"><br><br>State: Peer in Cluster (Connected)<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Hostname: gl5<br class="m_-2635758297168744153gmail_msg"><br><br>Uuid: a7933aeb-b08b-4ebb-a797-<wbr>b8ecbe5a03c6<br class="m_-2635758297168744153gmail_msg"><br><br>State: Peer in Cluster (Connected)<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>Hostname: gl6<br class="m_-2635758297168744153gmail_msg"><br><br>Uuid: 63c9a6c1-0adf-4cf5-af7b-<wbr>b28a60911c99<br class="m_-2635758297168744153gmail_msg"><br><br>State: Peer in Cluster (Connected)<br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br><br class="m_-2635758297168744153gmail_msg"><br><br>______________________________<wbr>_________________<br class="m_-2635758297168744153gmail_msg"><br><br>Gluster-users mailing list<br class="m_-2635758297168744153gmail_msg"><br><br><a href="mailto:Gluster-users@gluster.org" class="m_-2635758297168744153gmail_msg" target="_blank">Gluster-users@gluster.org</a><br class="m_-2635758297168744153gmail_msg"><br><br><a href="http://www.gluster.org/mailman/listinfo/gluster-users" rel="noreferrer" class="m_-2635758297168744153gmail_msg" target="_blank">http://www.gluster.org/<wbr>mailman/listinfo/gluster-users</a><br class="m_-2635758297168744153gmail_msg"><br><br></blockquote></div><br class="m_-2635758297168744153gmail_msg"><br class="m_-2635758297168744153gmail_msg" clear="all"><br class="m_-2635758297168744153gmail_msg"></div></div><span class="m_-2635758297168744153m_-2010779676140610534HOEnZb m_-2635758297168744153gmail_msg"><font class="m_-2635758297168744153gmail_msg" color="#888888">-- <br class="m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg m_-2635758297168744153m_-2010779676140610534m_-7665095754714168145gmail_signature" data-smartmail="gmail_signature"><div class="m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg"><br class="m_-2635758297168744153gmail_msg"></div><div class="m_-2635758297168744153gmail_msg">~ Atin (atinm)<br class="m_-2635758297168744153gmail_msg"></div></div></div></div><br><br></font></span></div><br><br></blockquote></div><br class="m_-2635758297168744153gmail_msg"><br class="m_-2635758297168744153gmail_msg" clear="all"><br class="m_-2635758297168744153gmail_msg">-- <br class="m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg m_-2635758297168744153m_-2010779676140610534gmail_signature" data-smartmail="gmail_signature"><div class="m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg"><div class="m_-2635758297168744153gmail_msg"><br class="m_-2635758297168744153gmail_msg"></div><div class="m_-2635758297168744153gmail_msg">~ Atin (atinm)<br class="m_-2635758297168744153gmail_msg"></div></div></div></div><br><br></div><br><br></div></blockquote></div><br class="m_-2635758297168744153gmail_msg"></div></div></div></blockquote></div></div><div dir="ltr">-- <br></div><div data-smartmail="gmail_signature">- Atin (atinm)</div>
</div></blockquote></div><br></div></div></div></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><br></div><div>~ Atin (atinm)<br></div></div></div></div>
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