Linux

Review: The New weLees Visual LVM, a new style of LVM management, has been released

Maintenance of the storage system is a daily job for system administrators. Linux provides users with a wealth of storage capabilities, and powerful built-in maintenance tools. However, these tools are hardly friendly to system administrators while generally considerable effort is required for mastery.

As a Linux built-in storage model, LVM provides users with plenty flexible management modes to fit various needs. For users who can fully utilize its functions, LVM could meet almost all needs. But the premise is thorough understanding of the LVM model, dozens of commands as well as accompanying parameters.

The graphical interface would dramatically simplify both learning curve and operation with LVM, in a similar approach as partition tools that are widely used on Windows/Linux platforms. Although scripts with commands are suitable for daily, automatic tasks, the script could not handle all functions in LVM. For instance, manual calculation and processing are still required by many tasks.

Significant effort had been spent on this problem. Nowadays, several graphical LVM management tools are already available on the Internet, some of them are built-in with Linux distributions and others are developed by third parties. But there remains a critical problem: desire for remote machines or headless servers are completely ignored.

This is now solved by Visual LVM Remote. Front end of this tool is developed based on the HTTP protocol. With any smart device that can connect to the storage server, Users can perform management operations.

Visual LVM is developed by weLees Corporation and supports all Linux distributions. In addition to working with remote/headless servers, it also supports more advanced features of LVM compared with various on-shelf graphic LVM management tools.

Dependences of Visual LVM Remote

Visual LVM Remote can work on any Linux distribution that including two components below:

UI of Visual LVM Remote

With a concise UI, partitions/physical volumes/logical volumes are displayed by disk layout. With a glance, disk/volume group information can be obtained immediately. In addition, detailed relevant information of the object will be displayed in the information bar below with the mouse hover on the concerned object.

Main layout of Visual LVM
Main layout of Visual LVM

Operations supported by Visual LVM Remote

Operations of Visual LVM Remote are grouped to 3 groups: physical volumes, volume groups, and logical volumes. All operations to these three types of objects are supported, such as creation, deletion, renaming, configuration modification, and so on.

Physical Volume operations

Create Physical Volume, Delete Physical Volume, Change configuration of Physical Volume.

The UI of change configuration of Physical Volume
The UI of change configuration of Physical Volume

 

Users can observe and modify settings of Physical Volume in straightforward manner.

Volume Group operations

Create Volume Group, Delete Volume Group, Rename Volume Group, Append Physical Volume into Volume Group, Remove Physical Volume from Volume Group, Change configuration of Volume Group, Backup Volume Group, Restore Volume Group from backup configuration file.

UI of create Volume Group operation
UI of create Volume Group operation

 

Users can set all parameters in the wizard page. All configuration parameters are displayed on the same page and all can be easily modified by the user.

UI of Restore Volume Group, use can view configuration file to confirm what he want
UI of Restore Volume Group, use can view configuration file to confirm what he want

Logical Volume Operations

Create Logical Volume, Delete Logical Volume, Rename Logical Volume, Change configuration of Logical Volume.

Resize Logical Volume
Resize Logical Volume

 

The UI for creating logical volumes of Visual LVM Remote is similar to that of PartitionMagic. Users can easily set all parameters. Size of logical volumes can be configured by dragging the mouse or simply typing.

Error operation report
Error operation report

 

In addition to performing all the operations required by LVM, Visual LVM Remote also prevents users from error settings & commands. In this way, work is dramatically simplified.

Although Visual LVM Remote is a graphical LVM management tool designed for system administrators, simplicity and ease of operation also makes it suitable for learning of LVM related knowledge. It is hoped that this tool could help users to use LVM in a more efficient way.

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