lvm-story

rev 2 | foxhop | 1375973932000 | JSON

	rev 1			rev 2
	3	#. verify which devices we will work with		3	#. verify which devices we will work with
	4			4
n	5	.. code-block::	n	5	.. code-block:: bash
	6			6
	7	sudo disk -l		7	sudo disk -l
	13	#. create a physical volume on the 20G and 400G LUNs		13	#. create a physical volume on the 20G and 400G LUNs
	14			14
n	15	.. code-block::	n	15	.. code-block:: bash
	16			16
	17	sudo lvm pvcreate /dev/sdb		17	sudo lvm pvcreate /dev/sdb
	20	#. create a volume group on the 20G and 400G physical volumes		20	#. create a volume group on the 20G and 400G physical volumes
	21			21
n	22	.. code-block::	n	22	.. code-block:: bash
	23			23
	24	sudo lvm vgcreate vg1 /dev/sdb		24	sudo lvm vgcreate vg1 /dev/sdb
	28	#. create a logical volume on the new volume groups		28	#. create a logical volume on the new volume groups
	29			29
n	30	.. code-block::	n	30	.. code-block:: bash
	31			31
	32	sudo lvm lvcreate vg1 -l 100%VG --name app		32	sudo lvm lvcreate vg1 -l 100%VG --name app
	36	#. format each logical volume with ext4 filesystem		36	#. format each logical volume with ext4 filesystem
	37			37
n	38	.. code-block::	n	38	.. code-block:: bash
	39			39
	40	sudo mkfs --type=ext4 /dev/mapper/vg1-app		40	sudo mkfs --type=ext4 /dev/mapper/vg1-app
	43	#. create mount points		43	#. create mount points
	44			44
n	45	.. code-block::	n	45	.. code-block:: bash
	46			46
	47	sudo mkdir /app		47	sudo mkdir /app
	50	#. configure mount points in /etc/fstab		50	#. configure mount points in /etc/fstab
	51			51
n	52	.. code-block::	n	52	.. code-block:: bash
	53			53
	54	/dev/mapper/vg1-app /app ext4 errors=remount-ro 0 1		54	/dev/mapper/vg1-app /app ext4 errors=remount-ro 0 1
	58	#. verify fstab		58	#. verify fstab
	59			59
n	60	.. code-block::	n	60	.. code-block:: bash
	61			61
	62	sudo mount -a		62	sudo mount -a
	64	#. verify new filesystems		64	#. verify new filesystems
	65			65
n	66	.. code-block::	n	66	.. code-block:: bash
	67			67
	68	df -hal		68	df -hal
t	69		t

rev 1 | foxhop | 1375973900000 | JSON

+once upon a time we randomly needed to add two new separate lvm logical volumes
+to a server
+#. verify which devices we will work with
+    .. code-block::
+     sudo disk -l
+    We need to create physical volumes on both of these buggers
+    * /dev/sdb
+    * /dev/sdc
+#. create a physical volume on the 20G and 400G LUNs
+    .. code-block::
+     sudo lvm pvcreate /dev/sdb
+     sudo lvm pvcreate /dev/sdc
+#. create a volume group on the 20G and 400G physical volumes
+    .. code-block::
+     sudo lvm vgcreate vg1 /dev/sdb
+     sudo lvm vgcreate vg2 /dev/sdc
+#. create a logical volume on the new volume groups
+    .. code-block::
+     sudo lvm lvcreate vg1 -l 100%VG --name app
+     sudo lvm lvcreate vg2 -l 100%VG --name data
+#. format each logical volume with ext4 filesystem
+    .. code-block::
+     sudo mkfs --type=ext4 /dev/mapper/vg1-app
+     sudo mkfs --type=ext4 /dev/mapper/vg2-data
+#. create mount points
+    .. code-block::
+     sudo mkdir /app
+     sudo mkdir /data
+#. configure mount points in /etc/fstab
+    .. code-block::
+     /dev/mapper/vg1-app /app               ext4    errors=remount-ro 0       1
+     /dev/mapper/vg2-data /data             ext4    errors=remount-ro 0       1
+#. verify fstab
+    .. code-block::
+     sudo mount -a
+#. verify new filesystems
+    .. code-block::
+     df -hal