How to Configure MariaDB Galera Cluster on RHEL 7 MariaDB Galera Cluster is a synchronous multi-primary replication solution for MariaDB. Every node in a Galera cluster can accept writes simultaneously, and changes are replicated to all other nodes before a transaction is confirmed to the client. This eliminates replication lag, prevents data loss on node […]
🟠 High ⏱ 5–30 min Last verified: 10 February 2023 Affected versions: Windows Server 2022 📖 ~2 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 […]
🟡 Medium ⏱ 5–30 min Last verified: 9 February 2023 Affected versions: Windows Server 2022 📖 ~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 […]
Introduction to Data Deduplication Data Deduplication (dedup) is a built-in storage optimization feature in Windows Server 2022 that reduces disk space consumption by identifying and eliminating duplicate data chunks across files on a volume. Rather than storing identical byte sequences multiple times, dedup stores each unique chunk once in a chunk store and replaces duplicate […]
The perf tool is a powerful Linux profiling framework built directly into the kernel, capable of sampling CPU performance counters, tracing system calls, and generating flame graphs that reveal exactly where an application spends its time. On RHEL 8, perf is packaged in the standard repositories and integrates with the kernel’s built-in performance monitoring units […]
🟡 Medium ⏱ 5–30 min Last verified: 8 February 2023 📖 ~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 […]
What Is the Volume Shadow Copy Service? The Volume Shadow Copy Service (VSS) is a Windows infrastructure component that enables the creation of consistent, point-in-time snapshots of disk volumes without requiring application downtime. Introduced in Windows Server 2003, VSS has been refined through every subsequent release and remains a cornerstone feature in Windows Server 2022. […]
🟠 High ⏱ 5–30 min Last verified: 5 February 2023 Affected versions: Windows Server 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 […]
🟠 High ⏱ 5–30 min Last verified: 3 February 2023 Affected versions: Windows Server 2022 📖 ~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-Forest Trust Types in Active Directory Active Directory supports multiple types of trust relationships that allow users in one domain or forest to access resources in another. Understanding the distinctions between trust types is essential before creating one, as the wrong type will either fail to install or fail to provide the access required. A […]
