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en:services:server_services:gwdg_cloud_server:volumes_manual [2022/01/19 11:12] – ssadegh | en:services:server_services:gwdg_cloud_server:volumes_manual [2022/09/29 09:30] (current) – [Create a Snapshot] ssadegh | ||
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+ | ====== Create and Manage Volumes ====== | ||
+ | \\ | ||
+ | This manual provide a quick help on how to create, delete, attach and detach your volume using [[https:// | ||
+ | |||
+ | **To login:** \\ | ||
+ | Authenticate using: Keystone Credentials \\ | ||
+ | Domain: gwdg \\ | ||
+ | User Name: your academic email (e.g. myname@gwdg.de) \\ | ||
+ | Password: your Password \\ | ||
+ | ===== Create a new volume ===== | ||
+ | In GWDG horizon dashboard, you can create a volume (block storage) by following these steps: | ||
+ | |||
+ | <WRAP Group> <WRAP column half> 1- From the left menu bar, select project-> | ||
+ | |||
+ | <WRAP Group> <WRAP column half> 2- Fill the displayed form with the following information: | ||
+ | |||
+ | **Please do not use any character rather than standard alphanumeric!** | ||
+ | |||
+ | * Volume Name: Specify a name for the volume. | ||
+ | * Description: | ||
+ | * Volume Source: Select "No source, empty volume" | ||
+ | * Type: Select " | ||
+ | * Size (GiB): The size of the volume in gibibytes. | ||
+ | * Availability Zone: Leave it with default value " | ||
+ | |||
+ | 3- Click " | ||
+ | |||
+ | </ | ||
+ | |||
+ | |||
+ | ===== Manage an existing volume ===== | ||
+ | <WRAP Group> <WRAP column half> There are several actions which can be applied on a volume. You can see the list of them by clicking the small arrow on the very right of each volume row. The most useful ones are described as follow. | ||
+ | |||
+ | The volume which is not attached and has no related snapshot can be deleted by **Delete Volume** . | ||
+ | |||
+ | The size of the volume which is not attached can be increased by **Extend Volume** . | ||
+ | |||
+ | The volume which is not attached can be transferred to another project by **Create Transfer** . The necessary quota in destination project should be met. The provided " | ||
+ | |||
+ | </ | ||
+ | <WRAP Group> <WRAP column half> To attach or detach a Volume to or from an instance, the **Manage Attachments** option should be used. | ||
+ | </ | ||
+ | |||
+ | <WRAP Group> <WRAP column half> | ||
+ | To attach a volume to a running instance, the following steps should be fulfilled: | ||
+ | |||
+ | * Select " | ||
+ | * On displayed form, select the intended instance from the " | ||
+ | * You can optionally change the device name. | ||
+ | * Click " | ||
+ | * Connect to your instance and run "// | ||
+ | * To format your device, execute: "// | ||
+ | * Create a directory for mounting the new storage volume: "// | ||
+ | * Mount the new volume: "// | ||
+ | * Add the mounting command to " | ||
+ | - Run "vim / | ||
+ | - Press " | ||
+ | - Add the line (change the names based on your state): "/ | ||
+ | - Press " | ||
+ | </ | ||
+ | |||
+ | <WRAP Group> <WRAP column half> | ||
+ | To detach a volume from an instance, the following steps should be fulfilled: | ||
+ | |||
+ | * Be sure that you have unmounted the Volume inside your instance. | ||
+ | * Select " | ||
+ | * Click " | ||
+ | * Confirm displayed message. | ||
+ | |||
+ | </ | ||
+ | |||
+ | ===== Create a Snapshot ===== | ||
+ | <WRAP Group> <WRAP column half> To create a snapshot, click the small arrow on the very right of each volume row and select Create Snapshot. | ||
+ | |||
+ | Define a name and optionally a description and click Create Volume Snapshot. Please check your volume and your snapshot quota to be sure that it is enough, otherwise you will get an error. | ||
+ | |||
+ | The Snapshot will be accessible from the left menu bar, project-> | ||
+ | </ | ||