«Volumes» tab¶

Creating volume¶

In general list of all volumes on control panel open volume creation wizard clicking «Create volume»:

Creating volume window¶

In window that opens, indicate:

• Volume name is an optional field, if the value is empty, the name is generated automatically;
• Description is optional field;
• Volume source, select the type of boot source;
• Type, select of a ready-made volume template. Type editing is described in the «Volume types» tab;
• Size is the amount of volume storage in gibibytes;
• Availability zone, choice is made based on the need for certain resources;
• Group, select group to which the created volume will belong;
• «Thin Volume» Flag, when choosing flag, «Thin provisioning» technology is used, which allows to use the free volume space for other needs of project.

Follow the directions, choosing options based on amount of resources available. We complete creation procedure with the «Create volume» button. After that, the correctly created volume will be displayed in the general list. Otherwise, the system will return you to the wizard window indicating the reasons for the impossibility of its creation.

After the successful creation procedure is completed, the volume may take time to finalize all systems. Ultimately, volume is displayed with the status «Active».

Volume image creating¶

This function allows to load volume to image service as an image. It is available in general list. After calling the action in the window that opens, set the name and format of the image.

Volume image creating window¶

Created image is displayed in the tab “Images” with the “Active” status.

Volume snapshot creating¶

Action is available in the general list. After calling the action, you will be prompted to specify the name and description of the snapshot; the fields are optional. If the value is empty, the name will be generated automatically.

Volume snapshot creating window¶

Confirm the snapshot creation, after which the snapshot will be displayed in the tab “Volume snapshots” with the “Available” status.

Volume backup creating¶

Action is available in the general list. After calling the action, you will be prompted to specify the name and description of the backup; the fields are optional. If the value is empty, the name will be generated automatically.

Volume backup creating window¶

Confirm the backup creation, after which the backup will be displayed in the tab “Volume backups” with the “Available” status.

Launching instance from volume¶

Function is available in the general list. It allows to create instance using the selected volume. The creation procedure is described in more detail on the page “Launching instance”.

Migration LV¶

Function provides the ability to migrate data for alogical volume on active system from current physical volume to selected one. This function is available in individual volume actions. Select the required volume and call “Migrate LV”:

Logical volume migration window¶

Select physical volume from the list of available ones for transfer and click «Migrate LV».

Convertation to mirrored volume¶

Function allows to convert standard volume to mirrored one. Mirroring technology allows to protect data in the event of a possible failure of physical disk, by saving multiple copies of files. This type is useful for protecting sensitive data in the event of possible hardware failures. This function is available in individual volume actions. Select the required volume and call “Make mirrored volume” action:

Confirmation window for converting to mirrored volume¶

After confirmation, the volume will be converted to mirrored. You can see the type of logical volume on the page with detailed information, in the tab “Overview”.

Convertation to standard volume¶

Function allows to convert mirrored volume to standard one. This function is available in individual volume actions. Select the required volume and call “Make standard volume” action:

Confirmation window for converting to standard volume¶

After confirmation, the volume will be converted to standard. You can see the type of logical volume on the page with detailed information, in the tab «Overview».

Changing volume type¶

Function allows to edit type and migration policy of the selected volume. It is available in the general list of all volumes. After calling the action in the window that opens, set the necessary parameters:

Changing volume type window¶

End the procedure with the confirmation button.

Volume extending¶

Function allows to resize the selected volume within the allocated project quota. You can resize both a volume that is not attached to the instance with the “Available” status, and a attached one with “In-use” status. After calling the action in the window that opens, set the required size:

Volume resizing window¶

End the procedure with the confirmation button.

Volume transfer start¶

Volume can be transferred from one project to another. The function is available in the general list of all volumes. After calling the action, you will be prompted to set the name of the volume transfer, the field is not required to be filled in, and if the value is empty, it will be generated automatically.

Volume transfer creation window¶

Then you need to save the ID and authorization key of created transfer:

Volume transfer details¶

End the procedure with the confirmation button.

Volume transfer acceptance¶

Function is available on the control panel in the general list of all volumes. After calling the action in the opened window, specify unique data:

Volume transfer acceptance window¶

Such as:

• Transfer ID;
• Authorization key.

You can also load the volume transfer credentials from the file obtained during the transfer creation step. We finish the procedure with the confirmation button. Then the volume will be displayed in the general list. Otherwise, the system will return you to the wizard window indicating the reasons for the impossibility of accepting the transfer of the volume.

Volumes attachment management¶

Function is available in the general list of all volumes. If there are instances in the project, it allows you to control the attachment of the selected volume to the instance:

Volumes attachment management window¶

You can select available instance in the list by one of the parameters:

• Name;
• IP address;
• Type;
• Status;
• Zone;
• Direct SCSI.

Sorting and filtering tools are implemented for each of parameters. It is also possible to sort the objects marked with check mark.

Also, depending on volume type, it is possible to connect the volume to multiple instances. The multi-mount volume type setting is described in the Administrator/Block Storage Resources/Volume Types section.

The required instance is attached using button «↑». To detach instance use «↓». End the procedure with the confirmation button.

Scheduling actions on volume¶

1. Select the required volume and call the action:

   

   Scheduled action calendar¶

   In the wizard window that opens, select the date. Highlighted days indicate the presence of planned actions on this object for the date, and blue marks indicate their number.

2. To go to the next step in the field of the selected date, click on an empty area or number. In the first case, you will be redirected to the task creation window. When you click on the number, you will be immediately prompted to select the duration:

   

   Scheduled action calendar¶

3. Specify the rest of the parameters of the scheduled action, which contain the internal tabs of the master window:

   

   Task creation window¶

   Let’s analyze their content in more detail:

   Select an action:

   • Task name is the name of the scheduled action; if empty, it will be generated automatically;

   • Action is list of available actions on the volume:

     • Create volume backup;
     • Create volume snapshot;
     • Run openstack shell command;
     • Run curl request.

     More information on the available actions can be found in the corresponding section of documentation.

   User credentials:

   • Username is the login of the user planning the action;
   • Password is password of the user planning the action;
   • Project is working project of user planning the action.

   Details:

   • Type is the type of task. Following types are distinguished:
     • Single task;
     • Repeating task.
   • Repeat, selection of values of the task execution interval. Following options are available:
     • Days;
     • Hours;
     • Minutes;
     • Working days (from Monday to Friday);
     • Days of the week;
     • Year.
   • Repeat with interval, selection of task execution interval;
   • Start date is the start date of the task in the format dd.mm.yyyy;
   • Start time is the start time of the task in the format hh.mm;
   • Time zone is the time zone according to which the task execution time is indicated;
   • End is the conditions for terminating the task. Following conditions are distinguished:
     • Never, when choosing a flag, the task becomes unlimited;
     • Max number of repetitions is limiting the number of task executions;
     • Date is the deadline for the task execution, set in the format dd.mm.yyyy.

   End the procedure with the confirmation button.

Created task is displayed in the tab «Scheduled tasks».

All available actions, not mentioned above, are performed in their master windows with prompts or have ease of management that does not need description.