RAID | BestHub

Qunar Tech Salon

May 13, 2024 · Operations

Root Cause Analysis of Intermittent Timeout Issues in the Sirius Service Caused by RAID Card Consistency Checks

This article details the investigation of sporadic interface timeouts in the Sirius real‑time pricing service, revealing a weekly pattern linked to RAID controller consistency checks that cause IO spikes, logback queue blockage, and ultimately Dubbo client‑side timeouts, and proposes mitigation steps and general performance‑troubleshooting guidelines.

LogbackOperationsPerformance

0 likes · 22 min read

Root Cause Analysis of Intermittent Timeout Issues in the Sirius Service Caused by RAID Card Consistency Checks

DevOps Operations Practice

Apr 1, 2024 · Fundamentals

Understanding RAID 0, RAID 1, RAID 10, and RAID 5: Features, Pros, Cons, and Usage Recommendations

This article explains the principles, advantages, disadvantages, and best‑practice recommendations for four common RAID configurations—RAID 0, RAID 1, RAID 10, and RAID 5—helping readers choose the appropriate disk‑array solution for performance and reliability needs.

Data RedundancyPerformanceRAID

0 likes · 7 min read

Understanding RAID 0, RAID 1, RAID 10, and RAID 5: Features, Pros, Cons, and Usage Recommendations

Architects' Tech Alliance

Dec 14, 2023 · Fundamentals

Understanding Disk Fault Tolerance and RAID Features

This article explains disk fault tolerance mechanisms, detailing how RAID levels (1, 5, 6, 10, 50, 60) provide redundancy, the concepts of consistency checking, hot‑spare and emergency‑spare, rebuild processes, read/write policies, power‑loss protection, striping, mirroring, external configurations, energy‑saving, and JBOD functionality.

Hot SpareRAIDRebuild

0 likes · 20 min read

Understanding Disk Fault Tolerance and RAID Features

Architects' Tech Alliance

Nov 6, 2023 · Fundamentals

Comprehensive Guide to RAID Levels: Architecture, Fault Tolerance, Performance, and Capacity

This article provides a comprehensive overview of RAID technology, explaining disk groups, virtual disks, detailed characteristics of RAID 0, 1, 1ADM, 5, 6, 10, 10ADM, 1E, 50, and 60, and compares their fault tolerance, I/O performance, and storage capacity considerations.

Data RedundancyPerformanceRAID

0 likes · 26 min read

Comprehensive Guide to RAID Levels: Architecture, Fault Tolerance, Performance, and Capacity

Architects' Tech Alliance

Nov 5, 2023 · Fundamentals

Understanding RAID Fault Tolerance, Consistency Checks, Hot Spare, Rebuild, and Data Protection Features

This article explains RAID fault‑tolerance mechanisms, consistency verification, hot‑spare and emergency backup, rebuild processes, virtual‑disk read/write policies, power‑loss protection, disk striping, mirroring, foreign configurations, power‑saving and pass‑through features, providing a comprehensive overview of modern storage system capabilities.

Disk StripingHot SpareRAID

0 likes · 16 min read

Understanding RAID Fault Tolerance, Consistency Checks, Hot Spare, Rebuild, and Data Protection Features

Architects' Tech Alliance

Oct 26, 2023 · Fundamentals

Types of Computer Storage and an Overview of RAID

The article explains the four main categories of computer storage—primary, secondary, tertiary, and offline—detailing their connection to the CPU, typical devices, the concept of direct‑attached storage, and an overview of RAID technology for performance and redundancy.

Computer StorageDirect-Attached StorageRAID

0 likes · 5 min read

Types of Computer Storage and an Overview of RAID

Ops Development Stories

Aug 17, 2023 · Operations

Understanding Server Storage Types: HDD, SSD, RAID & Network Storage Explained

This article explains the different server storage types—including mechanical HDDs, solid‑state SSDs, various interfaces, RAID arrays, and network‑attached storage—while covering their structures, performance characteristics, Linux device handling, and how to choose the right solution based on cost, capacity, speed, and reliability.

PerformanceRAIDSSD

0 likes · 9 min read

Understanding Server Storage Types: HDD, SSD, RAID & Network Storage Explained

Aikesheng Open Source Community

Aug 8, 2023 · Databases

Root Cause Analysis of MySQL Insert Latency Using blktrace and Disk I/O Monitoring

This article details a systematic investigation of MySQL insert slowdown caused by disk I/O anomalies, describing log analysis, blktrace data collection, RAID controller firmware bugs, and the final resolution through firmware upgrade, providing practical guidance for database performance troubleshooting.

Database TroubleshootingDisk I/OMySQL

0 likes · 11 min read

Root Cause Analysis of MySQL Insert Latency Using blktrace and Disk I/O Monitoring

Architects' Tech Alliance

Jul 5, 2023 · Fundamentals

Comprehensive Overview of RAID: Concepts, Implementations, and Practical Applications

This article provides a thorough introduction to RAID technology, explaining its definition, various software and hardware implementations, their advantages and disadvantages, and practical guidance for selecting the most suitable RAID solution for different storage scenarios.

RAIDdata protectionhardware RAID

0 likes · 11 min read

Comprehensive Overview of RAID: Concepts, Implementations, and Practical Applications

Architects' Tech Alliance

Jun 26, 2023 · Fundamentals

Understanding Linux Ext Filesystems, RAID, and LVM

This article explains the structure of Linux Ext (2/3/4) filesystems, detailing superblocks, inode tables and data blocks, then describes block groups, the role of superblocks, and outlines the differences between hardware and software RAID as well as the principles and risks of using LVM for flexible storage management.

LVMOperationsRAID

0 likes · 5 min read

Understanding Linux Ext Filesystems, RAID, and LVM

Architects' Tech Alliance

Jun 18, 2023 · Cloud Computing

Comparison of Three‑Replica and Dual‑RAID Distributed Storage Architectures

The article compares three‑replica and dual‑RAID distributed storage designs, detailing their architectures, bandwidth and latency impacts, failure isolation, “slow‑disk” issues, and overall performance, stability, and reliability advantages of dual‑RAID for modern cloud and hyper‑converged environments.

PerformanceRAIDcloud storage

0 likes · 7 min read

Comparison of Three‑Replica and Dual‑RAID Distributed Storage Architectures

OPPO Kernel Craftsman

Dec 9, 2022 · Operations

Factors Affecting Storage System Reliability and Related Technologies

Storage system reliability depends on both hardware and software availability and on preserving data integrity against media degradation, bit flips, external corruption, and firmware bugs, while techniques such as parity/ECC/CRC verification, RAID levels, snapshot methods, backups, continuous data protection, and specialized mechanisms like WAFL checksums and flash‑level error recovery collectively mitigate these risks.

ECCRAIDSnapshots

0 likes · 13 min read

Factors Affecting Storage System Reliability and Related Technologies

Architects' Tech Alliance

Oct 25, 2022 · Operations

Storage I/O Performance, RAID Penalties, and Bandwidth Calculation Guide

This article explains how I/O aggregation, full‑stripe writes, RAID write penalties, business I/O models (OLTP, OLAP, VDI, SPC‑1), SSD/SAS performance, FC link bandwidth, read/write ratios, sequential versus random I/O, I/O size impact, and cache acceleration affect storage system performance and capacity planning.

BandwidthFCIO models

0 likes · 17 min read

Storage I/O Performance, RAID Penalties, and Bandwidth Calculation Guide

Architects' Tech Alliance

Mar 29, 2022 · Fundamentals

Understanding Linux Ext Filesystems, RAID, and LVM

This article explains the structure of Linux Ext (2/3/4) file systems, the role of superblocks and block groups, compares hardware and software RAID, and introduces LVM as a flexible volume management solution, highlighting its benefits and potential risks.

Ext filesystemFile SystemLVM

0 likes · 5 min read

Architects' Tech Alliance

Aug 3, 2021 · Fundamentals

Fundamentals of Storage Systems: DAS, NAS, SAN, and RAID Technologies

This article provides a comprehensive overview of storage fundamentals, covering the three main storage architectures—DAS, NAS, and SAN—their advantages and limitations, followed by an in‑depth explanation of disk arrays and the various RAID levels, their principles, classifications, and practical use cases.

DASNASRAID

0 likes · 25 min read

Fundamentals of Storage Systems: DAS, NAS, SAN, and RAID Technologies

Architects' Tech Alliance

Apr 29, 2021 · Fundamentals

Understanding RAID: Hardware and Software Implementations, Benefits, and Drawbacks

This article provides a comprehensive overview of RAID technology, explaining its concepts, the differences between hardware and software RAID, various implementation methods, and the respective advantages and disadvantages for data protection and system performance.

Data RedundancyDisk ArraysRAID

0 likes · 10 min read

Understanding RAID: Hardware and Software Implementations, Benefits, and Drawbacks

DataFunTalk

Feb 8, 2021 · Big Data

Ozone: The Next‑Generation Distributed Storage System Aiming to Replace HDFS

This article explains how Apache Ozone, built on the HDDS layer, addresses the scalability, memory, and performance limitations of HDFS by splitting metadata services, using RocksDB, implementing fine‑grained locking, RAFT‑based HA, and offering rich APIs, while outlining current challenges and future roadmap.

Big DataHDDSHDFS

0 likes · 29 min read

Ozone: The Next‑Generation Distributed Storage System Aiming to Replace HDFS

Architects' Tech Alliance

Nov 26, 2020 · Fundamentals

Understanding Storage I/O Performance, RAID Write Penalties, and Business Model Characteristics

This article explains how real‑world business requirements drive storage performance configuration, details I/O aggregation and RAID write penalties, compares OLTP, OLAP, VDI and SPC‑1 workloads, and discusses the impact of SSD, SAS, FC links, cache, and RAID levels on throughput and latency.

FC bandwidthIO performanceRAID

0 likes · 19 min read

Understanding Storage I/O Performance, RAID Write Penalties, and Business Model Characteristics

Practical DevOps Architecture

Nov 8, 2020 · Operations

How to Configure BIOS and Create RAID 5 Volumes

This guide walks through entering the BIOS, selecting system settings, configuring the storage controller, creating RAID 0/1/5 volumes with specific capacities, and verifying the status of each logical volume using step‑by‑step screenshots.

BIOSOperationsRAID

0 likes · 3 min read

How to Configure BIOS and Create RAID 5 Volumes

Architects' Tech Alliance

Nov 6, 2020 · Fundamentals

Fundamentals of Server Hardware, Storage, and Network Interfaces

This article provides a comprehensive overview of server fundamentals, covering definitions, high‑performance characteristics, core components such as CPU, memory, disks and RAID, various CPU architectures, server classifications, C/S and B/S models, and detailed explanations of network interface cards, their functions, classifications, port types, and cable options.

HardwareIT fundamentalsRAID

0 likes · 6 min read

Fundamentals of Server Hardware, Storage, and Network Interfaces