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ITPUB
ITPUB
Oct 7, 2025 · Operations

100+ Essential IT Operations Checklist to Keep Your Infrastructure Running Smoothly

This comprehensive guide presents a standardized operations manual covering over one hundred core maintenance checkpoints across server hardware, network devices, storage systems, operating systems, databases, virtualization platforms, backup solutions, security appliances, and data‑center facilities, helping IT teams ensure stable and reliable service delivery.

Data centerDatabase AdministrationIT Operations
0 likes · 34 min read
100+ Essential IT Operations Checklist to Keep Your Infrastructure Running Smoothly
IT Services Circle
IT Services Circle
Sep 21, 2025 · Operations

Why WeChat Bloats Your Phone and How to Safely Clean Up Storage

Many users think WeChat stores duplicate copies of files when forwarding, causing massive storage bloat, but the app actually uses hard links to avoid redundancy; a misguided Python script can delete files by name suffixes, risking data loss, while proper cleanup involves clearing caches, managing large chat files, disabling auto‑download, and using deep clean options.

Cache CleaningPython scriptStorage Management
0 likes · 5 min read
Why WeChat Bloats Your Phone and How to Safely Clean Up Storage
Raymond Ops
Raymond Ops
Aug 14, 2025 · Operations

Master Linux Storage: Device Discovery, Mounting, Partitioning & Quotas

This guide covers essential Linux storage management techniques, including how to list devices, mount and unmount filesystems, use the find command for file searches, create and manage disk partitions, configure swap space, and set up disk quotas for user limits.

Disk QuotaMountingPartitioning
0 likes · 10 min read
Master Linux Storage: Device Discovery, Mounting, Partitioning & Quotas
Ops Community
Ops Community
Jun 21, 2025 · Operations

Master Ceph: The Ultimate Distributed Storage Operations Handbook

This guide introduces Ceph as a leading open‑source distributed storage solution, explains why enterprises choose it for scalable data platforms, and provides a comprehensive operations manual covering common tasks, troubleshooting, and advanced management to help storage engineers efficiently run Ceph clusters.

CephStorage Managementdistributed storage
0 likes · 3 min read
Master Ceph: The Ultimate Distributed Storage Operations Handbook
MaGe Linux Operations
MaGe Linux Operations
Feb 4, 2025 · Operations

Master Linux Storage Management: Devices, Mounting, Partitioning & Quotas

This guide walks through Linux storage fundamentals—including device identification, viewing, mounting (temporary and permanent), file searching, disk partitioning methods, swap setup, device removal, and disk quota configuration—providing practical commands and best‑practice tips for system administrators.

Disk QuotaMountingPartitioning
0 likes · 10 min read
Master Linux Storage Management: Devices, Mounting, Partitioning & Quotas
Big Data Technology & Architecture
Big Data Technology & Architecture
Jun 4, 2024 · Big Data

Ant Group's Data Governance Practices: Quality, Storage, and Future Directions

This article presents Ant Group's comprehensive data governance experience, covering data quality management, storage governance, architectural design, operational strategies, case studies, and forward‑looking thoughts on integrated lake‑warehouse governance, data value realization, and AI‑driven automation.

Ant GroupBig DataData Quality
0 likes · 19 min read
Ant Group's Data Governance Practices: Quality, Storage, and Future Directions
MaGe Linux Operations
MaGe Linux Operations
Dec 31, 2023 · Operations

Mastering LVM on Linux: Step‑by‑Step Guide to Create, Extend, and Manage Logical Volumes

This article provides a comprehensive, hands‑on tutorial for Linux Logical Volume Manager (LVM), covering installation environment setup, creating physical volumes, volume groups, logical volumes, extending them, resizing file systems, and adding new disks, complete with command‑line examples and explanations.

LVMLogical Volume ManagerStorage Management
0 likes · 19 min read
Mastering LVM on Linux: Step‑by‑Step Guide to Create, Extend, and Manage Logical Volumes
JD Tech
JD Tech
Dec 15, 2023 · Databases

Systematic Approach to Reducing MySQL Database Storage Costs

This article presents a comprehensive, step‑by‑step methodology for cutting MySQL storage expenses—including background analysis, challenge identification, a nine‑grid systematic framework, benefit calculation, safety and stability verification, rollout, gray‑release, and rollback—demonstrating over 50% disk space reduction while managing risk.

Cost reductionDatabase OptimizationStorage Management
0 likes · 14 min read
Systematic Approach to Reducing MySQL Database Storage Costs
Open Source Linux
Open Source Linux
Nov 23, 2023 · Operations

Mastering RAID Fault Tolerance: Consistency, Hot Spare, Rebuild & More

This article explains RAID fault tolerance mechanisms—including redundancy levels of RAID 1,5,6,10,50,60—covers consistency checks, hot‑spare and emergency backup, data reconstruction, read/write policies, power‑loss protection, striping, mirroring, foreign configurations, energy‑saving and JBOD, providing a comprehensive guide for storage administrators.

Data ProtectionRAIDStorage Management
0 likes · 15 min read
Mastering RAID Fault Tolerance: Consistency, Hot Spare, Rebuild & More
Liangxu Linux
Liangxu Linux
Nov 2, 2023 · Operations

Replace Symlinks with mount --bind: A Practical Linux Storage Trick

When a Linux application's data directory runs out of space, using mount --bind instead of layered symlinks lets you transparently redirect the directory to a larger disk, with clear steps, underlying principles, and advanced read‑only or temporary configurations.

FilesystemStorage ManagementSysadmin
0 likes · 6 min read
Replace Symlinks with mount --bind: A Practical Linux Storage Trick
Liangxu Linux
Liangxu Linux
Jul 29, 2023 · Operations

Free Up Your C Drive with Microsoft PC Manager’s 4 Simple Tools

A step‑by‑step guide shows how Windows users can safely clean a constantly full C: drive by using Microsoft PC Manager’s garbage cleaning, large‑file management, application management, and storage‑sense features, while avoiding accidental deletion of important files.

Disk CleanupStorage ManagementWindows
0 likes · 4 min read
Free Up Your C Drive with Microsoft PC Manager’s 4 Simple Tools
ITPUB
ITPUB
Apr 15, 2023 · Big Data

How Bilibili Turned Big Data Governance from Reactive to Proactive

This article details Bilibili's journey from a late‑started, reactive big‑data platform to a mature, proactive governance system that combines asset metadata, metric‑driven strategies, cost‑aware billing, and automated tooling to achieve massive storage savings and operational efficiency across the organization.

Big DataCost OptimizationData Governance
0 likes · 22 min read
How Bilibili Turned Big Data Governance from Reactive to Proactive
DataFunSummit
DataFunSummit
May 4, 2022 · Big Data

NetEase Big Data Platform: HDFS Optimization and Practices

NetEase’s senior big‑data engineer shares how the company’s large‑scale data platform leverages Hadoop, HDFS, YARN and related technologies, detailing multi‑layer architecture, cross‑cloud deployment, storage optimizations, NameNode performance enhancements, RPC prioritization, and practical lessons from operating petabyte‑scale clusters.

Cluster OptimizationHDFSStorage Management
0 likes · 23 min read
NetEase Big Data Platform: HDFS Optimization and Practices
Alibaba Cloud Native
Alibaba Cloud Native
Mar 7, 2022 · Cloud Native

How Open-Local Simplifies Kubernetes Local Storage in ACK Distro

This article explains the challenges of using local storage in Kubernetes, introduces the open‑local project and its four core components, shows how to configure NodeLocalStorageInitConfig, and provides step‑by‑step commands for provisioning, expanding, snapshotting, block‑device usage, IO throttling, temporary volumes, and monitoring within Alibaba Cloud ACK Distro.

ACK DistroCSICloud Native
0 likes · 16 min read
How Open-Local Simplifies Kubernetes Local Storage in ACK Distro
Qingyun Technology Community
Qingyun Technology Community
Nov 4, 2021 · Cloud Native

What’s New in KubeSphere 3.2.0? GPU Scheduling, Multi‑Cluster Management & More

KubeSphere 3.2.0, the latest cloud‑native distribution built on Kubernetes, introduces GPU resource scheduling and monitoring, enhanced observability with Grafana panels, multi‑cluster and multi‑tenant management, advanced storage features, a global gateway, OpenID Connect authentication, a dynamic application store, and a more independent DevOps suite, all aimed at improving user experience and operational efficiency.

Cloud NativeGPU schedulingKubernetes
0 likes · 12 min read
What’s New in KubeSphere 3.2.0? GPU Scheduling, Multi‑Cluster Management & More
OPPO Kernel Craftsman
OPPO Kernel Craftsman
Aug 20, 2021 · Mobile Development

Android Vold (Volume Daemon) Architecture and Operation Principles

Android Vold is a standalone daemon that bridges the kernel and framework, handling storage hot‑plug events such as USB, SD card, and internal partitions by receiving kernel uevents via Netlink, processing them in VolumeManager, and communicating with StorageManager through Binder to mount, encrypt, and manage file systems.

AndroidHot PlugKernel Uevent
0 likes · 8 min read
Android Vold (Volume Daemon) Architecture and Operation Principles
OPPO Kernel Craftsman
OPPO Kernel Craftsman
Jan 22, 2020 · Fundamentals

Understanding the Flash‑Friendly File System (F2FS): Design, Implementation, and Future Directions

F2FS is a log‑structured, flash‑aware file system that transforms random writes into sequential ones, uses segment‑based layout, NAT indexing, and hot‑cold data segregation with sophisticated garbage‑collection to improve SSD performance, and is now deployed in Android devices with ongoing enhancements such as online resizing and cold‑data compression.

F2FSGarbage CollectionStorage Management
0 likes · 17 min read
Understanding the Flash‑Friendly File System (F2FS): Design, Implementation, and Future Directions
Architects' Tech Alliance
Architects' Tech Alliance
Jun 2, 2017 · Operations

Overview of Major IT Management and Storage Management Software Solutions

This article provides a comprehensive overview of leading IT management and storage management software, explaining their classification by enterprise size, core monitoring, control, and automation capabilities, and detailing the features of solutions from IBM, Microsoft, HP, BMC, CA, EMC, NetApp, Hitachi, VMware, ZOHO, Symantec, SolarWinds, and open‑source tools such as Nagios, OpenNMS, and Zabbix.

Enterprise SoftwareIT ManagementStorage Management
0 likes · 16 min read
Overview of Major IT Management and Storage Management Software Solutions
Architects' Tech Alliance
Architects' Tech Alliance
Feb 10, 2017 · Industry Insights

Inside Scality Ring: How Its Scale‑Out Architecture Powers Object, File, and Block Storage

The article provides a detailed technical overview of Scality Ring 6.0, explaining its three‑layer software stack, X86‑based scale‑out hardware, diverse connectors, storage node design, management tools, routing protocol, data durability, multi‑site deployment models, and consistency guarantees.

Data DurabilityDistributed SystemsMulti-site Deployment
0 likes · 13 min read
Inside Scality Ring: How Its Scale‑Out Architecture Powers Object, File, and Block Storage
Efficient Ops
Efficient Ops
Feb 9, 2017 · Big Data

Mastering HDFS Disk Balancer: Optimize DataNode Storage in Hadoop 3

This article explains the new HDFS disk balancer feature introduced in Hadoop 3, covering its purpose, supported volume‑selection policies, step‑by‑step usage, planning and execution commands, and how it helps maintain balanced storage across DataNode disks.

Disk BalancerHDFSHadoop
0 likes · 8 min read
Mastering HDFS Disk Balancer: Optimize DataNode Storage in Hadoop 3
MaGe Linux Operations
MaGe Linux Operations
Jun 25, 2014 · Operations

Mastering Linux LVM: From Basics to Disaster Recovery Strategies

This guide introduces Linux Logical Volume Manager (LVM), explains its core concepts such as physical volumes, volume groups, and logical volumes, and provides step‑by‑step procedures for checking versions, handling common failures, and performing disaster‑recovery operations on both server and desktop systems.

LVMStorage ManagementSystem Administration
0 likes · 29 min read
Mastering Linux LVM: From Basics to Disaster Recovery Strategies