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OPS235 Lab 5 - CentOS7 - HD2

96 bytes added, 10:33, 5 October 2016
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#Now issue the commands <b><code><span style="color:#3366CC;font-size:1.2em;">n</span></code></b> (new partition), <b><code><span style="color:#3366CC;font-size:1.2em;">p</span></code></b> (primary partition), <b><code><span style="color:#3366CC;font-size:1.2em;">3</span></code></b> (i.e. next available partition number). When prompted for initial block, press '''enter''' to accept the default beginning block size, and type: <b><code><span style="color:#3366CC;font-size:1.2em;">+3G</span></code></b> at ending block (create 2GB for partition) and press '''enter'''.
#At the fdisk prompt, issue the command <b><code><span style="color:#3366CC;font-size:1.2em;">p</span></code></b> to review the partition information.
#Enter the command <b><code><span style="color:#3366CC;font-size:1.2em;">w</span></code></b> to save partition table and exit (ignore WARNING message).<br><br> {{Admon/important|You MUST reboot your centos2 VM|You MUST now reboot your centos2 VM before proceeding!}} <brol><brli value="13">#You <u>'''must'''</u> '''restart''' your centos2 VM to allow changes to take effect.</li>#<li>Verify that you created this partition by issuing the following command: <b><code><span style="color:#3366CC;font-size:1.2em;">fdisk -l /dev/vda</span></code></b></li>#<li>Re-issue the '''ssm''' command. Do you see a new /dev/vda3 partition under Physical Volumes?</li>#<li>To add the newly created partition, you need to add it into LVM to be used. Issue the following command to add the partition into LVM: <br><b><code><span style="color:#3366CC;font-size:1.2em;">pvcreate /dev/vda3</span></code></b> (or ''pvcreate /dev/sda3'' ) (enter '''y''' to proceed - ignore warning)</li># <li>Issue the following command to add your new-created and formatted partition called /dev/vda3 to your volume group:<br><b><code><span style="color:#3366CC;font-size:1.2em;">vgextend centos_centos2 /dev/vda3</span></code></b></li># <li>Create a new logical volume by issuing the following command:<br><b><code><span style="color:#3366CC;font-size:1.2em;">lvcreate -L 2G -n archive centos_centos2</span></code></b></li># <li>Format your newly-created partition by issuing the command: <b><code><span style="color:#3366CC;font-size:1.2em;">mkfs -t ext4 /dev/centos_centos2/archive</span></code></b></li># <li>Issue the '''ssm list''' command to view the new physical volume and logical volume information.</li># <li>Reduce the file-size by issuing the command: <b><code><span style="color:#3366CC;font-size:1.2em;">lvreduce -r -L 0.5G centos_centos2/archive</span></code></b></li># <li>Issue the '''ssm list''' command to verify.</li># <li>Increate the file-size by issuing the command: <b><code><span style="color:#3366CC;font-size:1.2em;">lvextend -L 1G centos_centos2/archive</span></code></b></li># <li>Issue the '''ssm list''' command to verify.</li></ol>
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