Wednesday, September 29, 2010

Linux Data Loss When Converting Virtual Disk

A virtual disk is the disk, which is the general characteristics of the hard disk is self-imitation of the hard disk, where the traditional Linux file system, there are physical disk partitions.

Since the virtual disk offers greater flexibility in data storage interfaces, users have to convert all the file systems of the department virtual disks. After conversion of the divisions in the virtual disk, you can access them only by virtual disk nodes.

Migrating to a virtual disk from the system based divisions, unplug your Linux file system on the distribution you want to convert. Then, create a simple virtual disk for each division using the Virtual Disk Manager. Assign virtual disks divisions. The divisions are automatically deleted when the virtual disks assigned to them.

When the Linux file system is the model of simple virtual disk possible transition to another pattern table is wrong without making the drive offline. Always ensure that departments do not have access during the transition process.

Just convert the divisions of the file system on the virtual disk that we must follow the steps below:

  • Unmount the file system of divisions you want to convert
  • Each disk partition, select New from the disc menu to add a simple virtual disk and distribute departmental virtual disk. Overlaps each division of simple virtual disk.
  • For each disk division, choose Edit from the menu simple and migrate disk RAID virtual disk * the desired type.
  • Use File System Manager to update the information of the mounted file system. ** Replace device nodes divvy files system with their virtual drive them.

  • This allows you to easily convert the hard disk virtual disk and can take advantage of greater flexibility and improved performance. But if the conversion process can be interrupted for any reason, such as a sudden power failure, operating system, irresponsible, operating system crashes, unexpected system shutdown or repeated, as the mounted volume, etc, we can address the critical issues loss of data.

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