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Instances are virtual machines that run inside the cloud. | Instances are virtual machines that run inside the cloud. | ||
==Volumes== | ==Volumes== | ||
| − | A volume is a detachable block storage device, similar to a USB hard drive. You can attach a volume to only one instance. | + | A volume is a detachable block storage device, similar to a USB hard drive. You can attach a volume to only one instance. On the volumes page, you can click on a volume name to see more information on that volume. |
You can have up to 10 volumes with a total size of up to 400GB. | You can have up to 10 volumes with a total size of up to 400GB. | ||
Revision as of 10:58, 27 June 2017
Contents
About
This page introduces and provides details about the 'OpenStack' cloud computing platform.
Sources
See https://docs.openstack.org/
Instances
Instances are virtual machines that run inside the cloud.
Volumes
A volume is a detachable block storage device, similar to a USB hard drive. You can attach a volume to only one instance. On the volumes page, you can click on a volume name to see more information on that volume. You can have up to 10 volumes with a total size of up to 400GB.
Create a volume
- Log in to the dashboard.
- Select the appropriate project from the drop down menu at the top left.
- On the Project tab, open the Compute tab and click Volumes category.
- Click Create Volume.
- In the dialog box that opens, enter or select the following values.
- Volume Name: Specify a name for the volume.
- Description: Optionally, provide a brief description for the volume.
- Volume Source: Select one of the following options:
- No source, empty volume: Creates an empty volume. An empty volume does not contain a file system or a partition table.
- Snapshot: If you choose this option, a new field for Use snapshot as a source displays. You can select the snapshot from the list.
- Image: If you choose this option, a new field for Use image as a source displays. You can select the image from the list.
- Volume: If you choose this option, a new field for Use volume as a source displays. You can select the volume from the list. Options to use a snapshot or a volume as the source for a volume are displayed only if there are existing snapshots or volumes.
- Type: Leave this field blank.
- Size (GB): The size of the volume in gibibytes (GiB).
- Availability Zone: The only option available is Nova.
- Click Create Volume.
Images
A virtual machine image is a single file containing a virtual disk that has a bootable operating system installed on it. Images are used to create virtual machine instances within the cloud.
Access & Security
This tab on the dashboard allows you to add ssh key-pairs, and setup firewall rules.