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+# Creating an Nth disk drive for a VM
+
+```
+fallocate -l 500G /store/images/ran.psg.com.sdb
+ls -lh /store/images/ran.psg.com.sdb
+chown libvirt-qemu:mlocate /store/images/ran.psg.com.sdb
+l -lh /store/images/ran.psg.com.sdb
+chmod 600 /store/images/ran.psg.com.sdb
+```
+
+Create an xml file describing the disk
+
+```
+cat > ran.sdb.xml
+<disk type='file' device='disk'>
+        <driver name='qemu' type='raw' cache='none'/>
+        <source file='/store/images/ran.psg.com.sdb'/>
+        <target dev='vda'/>
+	</disk>
+```
+
+Attach the new store to the VM
+
+```
+virsh attach-device ran.psg.com ran.sdb.xml 
+```
+
+You will have to reboot the VM to see the device.  
+
+Then you can 
+
+```
+mkfs.ext4 /dev/vda
+```
+
+Edit /etc/fstab and mount the new volumey
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