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--- tech:documentation:procedures:vm:vm_disk_expansion_lvm_xfs [2009/02/05 15:12] – ccumer
+++ tech:documentation:procedures:vm:vm_disk_expansion_lvm_xfs [2010/04/27 12:44] – kohofer
@@ Line 4: / Line 4: @@
 **THEN TAKE A SNAPSHOT!!!**
-then from on the vm either create an additional partirion on the free space. The partition type us 8e
+then from on the vm either create an additional partition on the free space. The partition type is 8e
-<code>
-cfdisk /dev/sda
+  cfdisk /dev/sda
-### for example if the new partition is /dev/sda3
+# for example if the new partition is /dev/sda3
-pvcreate /dev/sda3
-</code>
+# create logical disk /dev/sda3
+# make disk visible to linux
+  partprobe
+  pvcreate /dev/sda3
+if you are running a newer kernel you can issue this command to male linux re-read the disk geometry:
+  echo "1" > /sys/class/scsi_device/<device>/device/rescan
+or assign the whole new disk to lvm assuming it's /dev/sdb
+  apt-get install scsitools
+  rescan-scsi-bus.sh
+  cfdisk /dev/sdb
-or assign the whole new disk to lvm
-<code>
-cfdisk /dev/sdb
 ### for example if the new partition is /dev/sda3
-pvcreate /dev/sdb
-</code>
+   pvcreate /dev/sdb
 now you have to extend the volgroup. use ''lvdisplay'' to see which is the name of the group, in this example it's base
-<code>
-vdisplay
+  lvdisplay
   --- Logical volume ---
   LV Name                /dev/base/root
@@ Line 78: / Line 92: @@
-</code> and we assume the new partition is /dev/sda3
+and we assume the new partition is /dev/sda3
-<code>
+  vgextend base /dev/sda3
-vgextend base /dev/sda3
-</code>
 check with ''pvscan'' if the extend was successfull
-Now we extend the "data" partition to 11.5 GB. See man lvextend for other options
+  pvscan
-<code>
+Now we extend the "data" partition to 11.5 GB. See man lvextend for other options\\
-lvextend -L 11.5G  /dev/base/data
+.5 G is the NEW total size of the disk we want to extend!
-</code>
+  lvextend -L 11.5G  /dev/base/data
+Extend with 20G
+  lvextend -L +20G  /dev/base/data
 now we have to grow the filesystem /data
-<code>
-xfs_growfs /data
+   xfs_growfs /data
-</code>
+===== For swap =====
+swapoff /dev/base/swap
+lvextend -L 3.9G /dev/base/swap
+mkswap /dev/base/swap
+swapon /dev/base/swap
+free
+Check if filesystems are ok, and only then release the snapshot
+For ext2/ext3
+  resize2fs /dev/base/data