LVM Disaster Recovery on Desktop Computers
Introduction to LVM
What is LVM
LVM (Logical Volume Manager) originated as IBM's storage management solution for AIX. It introduces a logical abstraction layer between physical disks and partitions, allowing multiple partitions or entire disks to be combined into a single logical volume (functioning as a virtual hard drive). This approach signi ...
Posted on Wed, 13 May 2026 11:22:03 +0000 by bengaltgrs
Restoring a Degraded RAID 5 Array with MegaCLI
1. Physical Drive InventoryTo recover a RAID 5 configuration after a disk failure or hardware relocation, execute the following command to list the status of all physical drives attached to Adapter 0. Ensure that application I/O is halted during this process to prevent data corruption.MegaCli -PDList -a02. Identifying the Failed DriveScan the o ...
Posted on Tue, 12 May 2026 23:45:37 +0000 by mordeith
Mastering MySQL Binary Logs: Management, Inspection, and Selective Recovery
Core Operational Controls
The binary log captures server-side data modifications and schema changes, acting as the backbone for asynchronous replication, crash recovery, and auditing. Effective administration requires precise control over log generation, retention, and extraction workflows.
-- Query active log files along with current disk util ...
Posted on Sun, 10 May 2026 16:11:51 +0000 by skeener