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--- linux:general:lvm [2019/03/11 14:54] – lunetikk
+++ linux:general:lvm [2019/10/23 17:50] – lunetikk
@@ Line 35: / Line 35: @@
 <code>
 pvcreate /dev/sdb1
-vgcreate data /dev/sdb1
+vgcreate datavg /dev/sdb1
-lvcreate -l 100%FREE -n backup data
+lvcreate -l 100%FREE -n backuplv datavg
-mkfs.ext3 -Ldata /dev/data/backup
+mkfs.ext3 -Lbackup /dev/datavg/backuplv
-#mkfs.xfs -Ldata /dev/data/backup
+#mkfs.xfs -Lbackup /dev/datavg/backuplv
 vi /etc/fstab
-/dev/mapper/data-backup /data                    ext3     defaults        0 0
+/dev/mapper/datavg-backuplv /data                    ext3     defaults        0 0
 </code>
@@ Line 129: / Line 129: @@
 Extend the disk (PV/VG, example above)\\
-Then extend the LV
+Then extend the LV (100% is the full VG, check the "Other commands"-section for other parameters)
 <code>
 lvextend -l +100%FREE /dev/data/backup
@@ Line 156: / Line 156: @@
 |  lvdisplay   |  show all LVs  |\\
 |  vgchange -ay <VGNAME>  |  activate LV  |\\
+|  vgextend datavg /dev/sdd  |  add disk sdd (unpartitioned) to VG datavg  |\\
 |  lvextend -L+5G /dev/data/backup  |  extend by 5GB  |\\
 |  lvextend -L 10G /dev/data/backup  |  extend to 10GB total  |\\
+|  lvcreate -L20G -n backuplv datavg  |  create LV with 20GB total  |\\
+|  lvresize -r -L+5G /dev/data/backup  |  extend by 5GB and do resize2fs/ xfs_growfs  |\\
 === Useful links ===
@@ Line 168: / Line 171: @@
 === Cant mount a logical volume ===
-== Description ==
+__**Description**__
 Mounting the device leads to the following error
@@ Line 181: / Line 184: @@
 </code>
-== Reason ==
+__**Reason**__
 Its deactivated.
@@ Line 191: / Line 194: @@
 </code>
-== Fix ==
+__**Fix**__
 Run the following command to activate it

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