<div dir="ltr">Here&#39;s what I use as a user data script.    It will take all the ephemeral storage drives and create 1 large logical volume.<div><br><div><br></div><div><div>#!/bin/bash</div><div><br></div><div>VOLUMES=&quot;&quot;</div><div>for device in `curl -s <a href="http://169.254.169.254/latest/meta-data/block-device-mapping/`">169.254.169.254/latest/meta-data/block-device-mapping/`</a></div><div>do</div><div>        if [[ $device == &quot;ephemeral&quot;* ]]</div><div>        then</div><div>                block=`curl -s <a href="http://169.254.169.254/latest/meta-data/block-device-mapping/$device">169.254.169.254/latest/meta-data/block-device-mapping/$device</a> | awk -F/ &#39;{print $NF}&#39;`;</div><div>                if [[ -e /dev/$block ]]</div><div>                then</div><div><span class="" style="white-space:pre">                        </span>#if [ ! -e /mnt/$device ]</div><div><span class="" style="white-space:pre">                        </span>#then</div><div><span class="" style="white-space:pre">        </span>                #        mkfs.ext3 /dev/$block</div><div><span class="" style="white-space:pre">        </span>                #        mkdir /mnt/$device</div><div><span class="" style="white-space:pre">        </span>                #        mount /dev/$block /mnt/$device</div><div><span class="" style="white-space:pre">                        </span>#<span class="" style="white-space:pre">        </span>chmod 1777 /mnt/$device</div><div><span class="" style="white-space:pre">                        </span>#fi</div><div><span class="" style="white-space:pre">                        </span>pvcreate /dev/$block</div><div><span class="" style="white-space:pre">                        </span>VOLUMES=&quot;${VOLUMES} /dev/$block&quot;</div><div>                fi</div><div>        fi</div><div>done</div><div><br></div><div>vgcreate vg_ephemeral $VOLUMES</div><div>SIZE=`vgdisplay vg_ephemeral | grep &quot;Total PE&quot; | awk &#39;{print $3}&#39;`</div><div>lvcreate -l $SIZE vg_ephemeral -n ephemerallv</div><div>mkfs.ext3 /dev/mapper/vg_ephemeral-ephemerallv</div><div>mkdir /scratch</div><div>mount /dev/mapper/vg_ephemeral-ephemerallv /scratch</div><div>chmod 1777 /scratch</div></div><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Jun 17, 2016 at 1:53 PM, Alex Lee <span dir="ltr">&lt;<a href="mailto:simplitia@gmail.com" target="_blank">simplitia@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 dir="ltr"><div class="gmail_default" style="font-family:&quot;courier new&quot;,monospace">Dear all, </div><div class="gmail_default" style="font-family:&quot;courier new&quot;,monospace">I notice that the AMI image I&#39;m using is only 8G, however I&#39;m wondering if there is an option to add instance storage during the launch say to 100G?  </div><div class="gmail_default" style="font-family:&quot;courier new&quot;,monospace">I do have an ebs volume that I can try to remount /tmp too but I&#39;m sure if that will be properly nfs shared across the nodes, also I get a feeling that it will much slower.  </div><div class="gmail_default" style="font-family:&quot;courier new&quot;,monospace"><br></div><div class="gmail_default" style="font-family:&quot;courier new&quot;,monospace">here are what my devices look like at the moment. </div><div class="gmail_default" style="font-family:&quot;courier new&quot;,monospace"><br></div><div class="gmail_default" style="font-family:&quot;courier new&quot;,monospace"><div class="gmail_default">NAME    MAJ:MIN  RM   SIZE RO TYPE MOUNTPOINT</div><div class="gmail_default">xvda    202:0     0     8G  0 disk</div><div class="gmail_default">└─xvda1 202:1     0     8G  0 part /</div><div class="gmail_default">xvdz    202:6400  0   1.5T  0 disk /data<br></div><div class="gmail_default">xvdaa   202:6656  0   300G  0 disk</div><div><br></div><div><br></div><div>by the way what is xvdaa?  Can I use it as a /tmp space?  </div><div><br></div><div>thanks in advance! </div><span class="HOEnZb"><font color="#888888"><div>Alex</div></font></span></div>
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