<div dir="ltr">Hi Alastair<div><br></div><div>I apologize my email is off topic, but I also have strange issues on a volume and it happened to be volume with hot-tier attached to it in past.</div><div><br></div><div>Can you do me a favor and test something on the volume where you used to have hot-tier? </div><div><br></div><div>I'm working with RH on issue where glusterfs fuse client crashes while doing 'grep' on files. </div><div><br></div><div>Here are the steps:</div><div><br></div><div>On the volume where you had hot-tier enabled:</div><div><br></div><div><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap"># generate dataset for testing:</span></div><div><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap"><br></span></div><div><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap">mkdir </span><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap">uuid-set; </span><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap">cd </span><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap">uuid-set</span></div><div><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap">for i in $(seq 40); do uuidgen | awk {'print "mkdir "$1"; echo test >> "$1"/"$1".meta"'}; done | sh</span><br></div><div><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap"><br></span></div><div><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap"># run grep</span></div><div><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap"><br></span></div><div><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap">grep test */*.meta</span><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap"><br></span></div><div><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap"><br></span></div><div><font color="#252525" face="monospace"><span style="font-size:11.375px;white-space:pre-wrap">#Running 'grep' may crash glusterfs-client. If it doesn't crash, do the following:</span></font></div><div><font color="#252525" face="monospace"><span style="font-size:11.375px;white-space:pre-wrap"><br></span></font></div><div><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap">rsync -varP uuid-set/ uuid-set2</span><font color="#252525" face="monospace"><span style="font-size:11.375px;white-space:pre-wrap"><br></span></font></div><div><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap">grep test </span><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap">uuid-set2/</span><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap">*/*.meta</span></div><div><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap"><br></span></div><div><span style="color:rgb(37,37,37);font-family:monospace;font-size:11.375px;white-space:pre-wrap">Thank you.</span></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Oct 18, 2017 at 1:27 PM, Alastair Neil <span dir="ltr"><<a href="mailto:ajneil.tech@gmail.com" target="_blank">ajneil.tech@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">forgot to mention Gluster version 3.10.6<br></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On 18 October 2017 at 13:26, Alastair Neil <span dir="ltr"><<a href="mailto:ajneil.tech@gmail.com" target="_blank">ajneil.tech@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div>a short while ago I experimented with tiering on one of my volumes. I decided it was not working out so I removed the tier. I now have spam in the glusterd.log evert 7 seconds:<br><br>[2017-10-18 17:17:29.578327] W [socket.c:3207:socket_connect] 0-tierd: Ignore failed connection attempt on /var/run/gluster/2e3df1c501d0a<wbr>19e5076304179d1e43e.socket, (No such file or directory) <br>[2017-10-18 17:17:36.579276] W [socket.c:3207:socket_connect] 0-tierd: Ignore failed connection attempt on /var/run/gluster/2e3df1c501d0a<wbr>19e5076304179d1e43e.socket, (No such file or directory) <br>[2017-10-18 17:17:43.580238] W [socket.c:3207:socket_connect] 0-tierd: Ignore failed connection attempt on /var/run/gluster/2e3df1c501d0a<wbr>19e5076304179d1e43e.socket, (No such file or directory) <br>[2017-10-18 17:17:50.581185] W [socket.c:3207:socket_connect] 0-tierd: Ignore failed connection attempt on /var/run/gluster/2e3df1c501d0a<wbr>19e5076304179d1e43e.socket, (No such file or directory) <br>[2017-10-18 17:17:57.582136] W [socket.c:3207:socket_connect] 0-tierd: Ignore failed connection attempt on /var/run/gluster/2e3df1c501d0a<wbr>19e5076304179d1e43e.socket, (No such file or directory) <br>[2017-10-18 17:18:04.583148] W [socket.c:3207:socket_connect] 0-tierd: Ignore failed connection attempt on /var/run/gluster/2e3df1c501d0a<wbr>19e5076304179d1e43e.socket, (No such file or directory) <br><br><br></div>gluster volume status is showing the tier daemon status on all the nodes as 'N', but lists the pids of a nonexistent processes.<br><br></div>Just wondering if I messed up removing the tier?<span class="m_1052949455681415491HOEnZb"><font color="#888888"><br><br></font></span></div><span class="m_1052949455681415491HOEnZb"><font color="#888888">-Alastair<br><br></font></span></div>
</blockquote></div><br></div>
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