added snapshots restoration part

Author: Milstein

docs/openstack/backup/backup-with-snapshots.md

@@ -1,4 +1,4 @@
-# Backup with snapshots and volumes
+# Backup with snapshots
 
 When you start a new instance, you can choose the Instance Boot Source from the
 following list:
@@ -87,11 +87,20 @@ Once you're logged in to NERC's Horizon dashboard, you can create a snapshot via
 the "Compute -> Instances" page by clicking on the "Create snapshot" action button
 on desired instance as shown below:
 
-![Ceate Instance Snapshot](images/create-instance-snapshot.png)
+![Create Instance Snapshot](images/create-instance-snapshot.png)
 
 ![Instance Snapshot Information](images/instance-snapshot-info.png)
 
-Once created, you can find the image listed under Images in the Horizon dashboard:
+!!! warning "Live snapshots and data consistency"
+    We call a snapshot taken against a running instance with no downtime a
+    "live snapshot". These snapshots are simply disk-only snapshots, and may be
+    inconsistent if the instance's OS is not aware of the snapshot being taken.
+
+### How to restore from Instance snapshot
+
+Once created, you can find the image listed under Images in the Horizon dashboard.
+
+Navigate to Project -> Compute -> Images.
 
 ![Snapshot Instance Created](images/instance-image-snapshot.png)
 
@@ -104,13 +113,6 @@ image, update the image metadata, or delete it:
 You can then select the snapshot when creating a new instance or directly click
 "Launch" button to use the snapshot image to launch a new instance.
 
-!!! warning "Live snapshots and data consistency"
-    We call a snapshot taken against a running instance with no downtime a
-    "live snapshot". These snapshots are simply disk-only snapshots, and may be
-    inconsistent if the instance's OS is not aware of the snapshot being taken.
-
----
-
 ## Take and use Volume Snapshots
 
 ### Volume snapshots
@@ -211,23 +213,41 @@ In the dialog box that opens, enter a snapshot name and a brief description.
 
 ![Volume Snapshot Information](images/volume-snapshot-info.png)
 
+### How to restore from Volume snapshot
+
 Once a snapshot is created, you can manage them under the Volumes menu in the
-Horizon dashboard under Volume Snapshots:
+Horizon dashboard under Volume Snapshots.
+
+Navigate to Project -> Volumes -> Snapshots.
 
 ![Volume Snapshots List](images/volume-snapshots-list.png)
 
-Create Volume from Snapshot:
+You have the option to directly launch this volume as an instance by clicking on
+the arrow next to "Create Volume" and selecting "Launch as Instance".
 
 ![Create Volume from Volume Snapshot](images/create-volume-from-volume-snapshot.png)
 
+Also it has other options i.e. to create a volume from the snapshot, edit details
+about the snapshot, delete it, or Update the snapshot metadata.
+
+Here, we will first Create Volume from Snapshot by clicking "Create Volume" button.
+
 In the dialog box that opens, enter a volume name and a brief description.
 
 ![Create Volume Popup](images/create-volume-from-volume-snapshot-info.png)
 
 Any snapshots made into volumes can be found under Volumes:
 
+Navigate to Project -> Volumes -> Volumes.
+
 ![New Volume from Volume Snapshot](images/new-volume-from-snapshot.png)
 
+Then using this newly created volume, you can launch it as an instance by clicking
+on the arrow next to "Edit Volume" and selecting "Launch as Instance" as shown
+below:
+
+![Launch an Instance from Volume](images/launch_instance_from_volume.png)
+
 !!! danger "Very Important: Requested/Approved Allocated Storage Quota and Cost"
     Keep in mind that any volumes and snapshots stored take up storage space in
     your project. You can delete any that no longer need to conserve space. Even

docs/openstack/backup/images/create-volume-from-volume-snapshot.png

@@ -20,7 +20,7 @@ Make sure you are using key forwarding as described in [Create a Key Pair](../ac
 
 ## Allocate a Floating IP
 
-Navigate to Project -> Compute -> Instances
+Navigate to Project -> Compute -> Instances.
 
 Next to Instance Name -> Click Actions dropdown arrow (far right) -> Choose
 Associate Floating IP
@@ -67,7 +67,7 @@ and you can see the floating IP is attached to your VM on the Instances page:
 You may need to disassociate a Floating IP from an instance which no longer
 needs it, so you can assign it to one that does.
 
-Navigate to Project -> Compute -> Instances
+Navigate to Project -> Compute -> Instances.
 
 Find the instance you want to remove the IP from in the list.  Click the red
 "Disassociate Floating IP" to the right.
@@ -89,7 +89,7 @@ We can release a Floating IP while disassociating it just we need to check the
 
 **OR,**
 
-Navigate to Project -> Network -> Floating IPs
+Navigate to Project -> Network -> Floating IPs.
 
 To release the floating IP address back into the floating IP pool, click the
 Release Floating IP option in the Actions column.

docs/openstack/backup/images/launch_instance_from_volume.png

@@ -32,12 +32,16 @@ The quota associated with this virtual machine will be returned to the project
 and you can review and verify that looking at your
 [OpenStack dashboard overview](../logging-in/dashboard-overview.md#compute-panel).
 
-Navigate Project > Compute > Overview
+Navigate to Project -> Compute -> Overview.
 
 If the quota does not return, please raise a ticket.
 
 ## Delete volumes and snapshots
 
+To delete volume(s), please read [this documentation](../persistent-storage/delete-volumes.md).
+
+To delete snapshot(s),
+
 ## Delete all containers and objects
 
 ## Release any Floating IPs