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How to Recovery LVM Partitions in Linux

by anonymous

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Do you need to add a new disk to LVM volume for expanding it? Or, are you trying to add a new disk on LVM with zero redundancy? You must create complete backup of your precious data before trying out any of the above things. Adding a new disk to LVM volume and then expanding it may cause catastrophic data loss, if any of these drives fails. In case, the backup is not available, Linux Data Recovery is the only way to go.

The LVM (Logical Volume Manager) and LUKS (Linux Unified Key Setup) metadata structures are stored on original drive in Linux volume group. The journaling file system, like Ext4, move around it, as the disk space is employed or occupied.

Although the process of expanding the LVM drive is risky, it is not impossible. You can moderate the method for Ext4, LUKS, and LVM without losing your precious data. To do this, you need at least 4 storage devices, if you are expanding two hard drives.

Go through the underwritten steps to perform mitigation for the spanned LVM without losing data and requiring Linux Recovery solutions:

First of all, create the Physical Volumes.

After that, create a volume group.

Create LUKS volume on the top of Logical Volume Manager.

Create a File System and external journal.

Close all the windows and backup your hard drive data.

Note- Although, the above methods work in various situations, there is no guarantee of reliability. It is only a conscription method and can not replace complete backups.

The major advantage of the above method is that when any physical drive fails, journal is external and thus you can mount volume as read-only to backup data. This method also protects your system against metadata corruption or loss, as you should create regular backup of primary physical drive and can clone the drive.

However, if any disk fails on your system in this configuration, you encounter serious data loss situations. At this point, you need to perform Data Recovery Linux to get your mission-critical data recovered.

The recovery is best possible with the help of powerful professional Ext4 Recovery software. They are powerful enough to systematically scan the entire hard drive and extract all lost, missing, and inaccessible data from it. With simple graphical user interface and read-only conduct, they are totally easy and safe to use.

Stellar Phoenix Linux Data Recovery is the most prominent tool that ensures perfect recovery in most of the data loss scenarios. It recovers lost data from Ext4, Ext3, Ext2, FAT12, FAT16, and FAT32 file system volumes. The software is compatible with all major Linux distributions, including SUSE, RedHat, Ubuntu, Fedora, and Mandriva.

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