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This article examines the recovery of KVM/QEMU virtual disks and snapshots from a storage system built on LUKS2 and RAID 6. The focus is on determining the correct recovery sequence, safely working with physical disk images, reconstructing the RAID array, unlocking the encrypted container, locating QCOW2/RAW images, analyzing the backing chain, and restoring access to virtual machine data without modifying the original media.
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Vladimir Artiukh
Recovering data from Linux MD RAID 6, additionally protected by LUKS and fscrypt encryption, is a complex multi-layer process in which it is important to correctly determine the state of the RAID array, the sequence of disk connection, and the encryption layers. An error at any stage, from incorrectly assembling the array to attempting to mount a damaged file system, can significantly complicate subsequent recovery. This article describes a safe approach to diagnosing and reconstructing RAID 6, opening the LUKS container, and further working with data protected by fscrypt.
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Vladimir Artiukh
In this article, we will examine critical data loss scenarios on servers running Unraid OS, specifically reliable data recovery from Single Parity and Dual Parity array configurations. We will look at how to correctly connect the server’s physical drives directly to a computer and prepare them for safe scanning. We will apply specialized approaches to reconstructing damaged arrays and recovering files depending on the number of functioning disks remaining.
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Vladimir Artiukh
In this article we examine data recovery from RAID 0, 5 and 6 created on a Dell PERC H700 controller on a PowerEdge R710 server. How to recover data from RAID arrays created on a Dell PERC H700 controller, what causes can lead to information loss, and which tools can help restore access to important files even in complex cases.
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Vladimir Artiukh
In this article we will examine the process of data recovery from mdadm RAID 0, 5 and 6 arrays created in the OpenMediaVault 8.2.8 operating system. We will analyze the most common data loss scenarios: accidental file deletion via network protocols SMB, NFS or FTP, data corruption due to failure of one or more drives, server or NAS hardware failure, as well as software failures of the OpenMediaVault operating system caused by updates or critical bugs.
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Vladimir Artiukh