Lvm Raid

Common Problems 114991

RHEL 8 XFS Filesystem Forced Read-Only After IO Error

🟡 Medium   ⏱ 5–30 min  Last verified: 11 June 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

Read more
How to Set Up ZFS on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up ZFS on RHEL 7

How to Set Up ZFS on RHEL 7 ZFS (Zettabyte File System) originated at Sun Microsystems and is widely regarded as the most feature-rich and reliable open-source file system available. It combines volume management, RAID, checksumming, copy-on-write snapshots, deduplication, and transparent compression into a single unified stack. The ZFS on Linux (ZoL) project brings these […]

Read more
How to Configure Bootlist on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Bootlist on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure bootlist on ibm aix 7.2 on IBM AIX […]

Read more
How to Monitor Disk Usage with df, du, lsblk and ncdu on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Monitor Disk Usage with df, du, lsblk and ncdu on RHEL 8

Running out of disk space is one of the most disruptive events on a Linux server, and it often happens silently until a service crashes or a write fails. Red Hat Enterprise Linux 8 ships with several tools to help you stay ahead of the problem: df for a quick filesystem overview, du for directory-level […]

Read more
How to Configure MySQL Primary-Replica Replication on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure MySQL Primary-Replica Replication on FreeBSD 12

Introduction Deploying configure mysql primary-replica replication on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

Read more
CHAT