Merge pull request #32 from Namanv0509/intro-storage

Intro storage

Author: pontusringblom

content/learning-paths/090e7114-509a-4046-81f1-9c5fb8daf724/intro-storage/_index.md

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+---
+title: "INTRO Storage"
+description: "If you're seeking an entry-level understanding of Exoscale's storage solutions, our Level 100 course is an ideal starting point for non-technical individuals. This course lays the foundation for all the pertinent general and cloud storage topics. You'll dive into the advantages and considerations regarding data storage, including performance, scalability, and integrity. We'll cover essential concepts and terminology to understand storage types and capabilities and explain why efficient and secure storage is crucial in modern IT infrastructures."
+themeColor: "#3C494F"
+cardImage: ""
+courses: 7
+weight: 1
+---

content/learning-paths/090e7114-509a-4046-81f1-9c5fb8daf724/intro-storage/block-storage/_index.md

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+---
+title: "Block Storage"
+description: "A low-latency storage option that stores data in fixed-size blocks, ideal for databases and high-performance applications."
+themeColor: "#3C494F"
+cardImage: ""
+weight: 6
+---

content/learning-paths/090e7114-509a-4046-81f1-9c5fb8daf724/intro-storage/block-storage/content/benefits.md

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+---
+docType: "Chapter"
+id: "Benefits - Block Storage"
+chapterTitle: "Benefits - Block Storage"
+description: ""
+title: "Benefits - Block Storage"
+weight: 3
+---
+
+
+### **Overview**
+
+Block storage provides high-performance, flexible, and scalable solutions for applications requiring direct access to storage devices. It is well-suited for databases, virtualized environments, and other performance-critical workloads. Block storage offers several benefits compared to other storage systems.
+
+Here are some critical advantages of block storage:
+
+- Performance: Block storage provides high-performance capabilities, making it ideal for applications requiring low latency and high IOPS (Input/Output Operations Per Second). It offers direct access to data blocks, allowing efficient and fast data retrieval and processing.
+- Flexibility: Block storage is highly flexible and can be easily integrated into existing infrastructure. It can be used with various operating systems and applications, making it suitable for multiple use cases.
+- Data Consistency: Block storage ensures data consistency using techniques like write caching and synchronous replication. Data modifications are immediately reported to the storage device, providing the data is always current.
+- Scalability: Block storage systems can scale vertically by adding more storage capacity to a single device or horizontally by adding more widgets to a storage cluster. This allows for easy expansion as your storage needs grow.
+- Data Protection: Block storage offers data protection features such as RAID (Redundant Array of Independent Disks) and snapshotting. RAID provides redundancy by distributing data across multiple disks. At the same time, snapshots allow you to create point-in-time copies of your data for backup and recovery purposes.
+- Data Security: Block storage provides data security features such as rest and transit encryption. This ensures your data is protected from unauthorized access and provides additional security for sensitive information.
+- Application Compatibility: Block storage is compatible with many applications and databases that require direct access to storage devices. It allows efficient data management and supports features like data replication and clustering.
+- Data Recovery: Block storage systems offer efficient data recovery options. In case of data loss or corruption, you can restore data from backups or snapshots, minimizing downtime and ensuring business continuity.
+- Virtualization Support: Block storage is commonly used in virtualized environments. It provides storage resources to virtual machines (VMs) and allows for features like live migration and high availability.
+

content/learning-paths/090e7114-509a-4046-81f1-9c5fb8daf724/intro-storage/block-storage/content/details.md

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+---
+docType: "Chapter"
+id: "Details - Block Storage"
+chapterTitle: "Details - Block Storage"
+description: ""
+title: "Details - Block Storage"
+weight: 3
+---
+
+
+### **Explained**
+
+Block storage is a fundamental component of cloud computing infrastructure, offering a versatile and scalable solution for storing and managing data. It allows dividing data into fixed-sized blocks, which can be accessed and manipulated independently. This flexibility allows for efficient data storage and retrieval, making block storage an ideal choice for applications requiring high-performance storage, such as databases and virtual machines. By leveraging block storage, organizations can focus on their core workflows and applications without the burden of managing file storage and locations. With the ability to scale horizontally and integrate seamlessly with other cloud services, block storage empowers customers to overcome the limitations of legacy storage systems, ensuring optimal performance and cost-effectiveness at any scale.
+
+### **Definition**
+
+Block storage is an architecture that divides data into fixed-size blocks, each with a unique address. Block storage devices like hard disk and solid-state drives use block-level access protocols like iSCSI and Fibre Channel to read and write data. This storage method is ideal for low-latency, high-performance environments where data access speed is crucial. However, it can be more complex and expensive to set up initially.
+
+Critical characteristics of block storage include:
+
+- Block-level data access: Block storage systems provide direct access to the underlying storage blocks, allowing high-speed data reads and writes. This low-latency access is particularly beneficial for applications requiring rapid data access, such as databases and virtual machines.
+- File system abstraction: Block storage devices present a file system abstraction to the host operating system, meaning they appear as a traditional file system to the user. This abstraction allows users and applications to interact with the storage device using familiar file and directory structures, simplifying data storage and retrieval.
+- Data consistency: Block storage systems employ data consistency techniques, such as journaling and copy-on-write, to ensure that data remains consistent and accurate. These techniques help to prevent data corruption and loss, making block storage a reliable option for critical data storage requirements. Now that we've explained the basic capabilities of object and block storage, let's see how they go head-to-head.
+

content/learning-paths/090e7114-509a-4046-81f1-9c5fb8daf724/intro-storage/block-storage/content/use-cases.md

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+---
+docType: "Chapter"
+id: "Use Cases - Block Storage"
+chapterTitle: "Use Cases - Block Storage"
+description: ""
+title: "Use Cases - Block Storage"
+weight: 3
+---
+
+
+### **Overview**
+
+These are just a few examples of the many uses of block storage. Its versatility and scalability make it a crucial component in various IT environments, enabling efficient data storage and management for multiple applications and workloads. Block storage has many uses in cloud computing and other IT environments.
+
+Here are some example use cases for block storage:
+
+- Databases: Block storage is often used to store databases due to its high-performance capabilities. It provides the necessary speed and reliability for database operations, ensuring efficient data access and retrieval.
+- Virtual Machines: Block storage commonly stores virtual machine (VM) images and data. It allows for easy provisioning and management of VM storage, enabling organizations to scale their virtualized infrastructure as needed.
+- Applications: Many applications require persistent storage for their data. Block storage provides a reliable and scalable solution for storing application data, ensuring it is readily accessible and protected against data loss.
+- Backup and Disaster Recovery: Block storage is often used for backup and disaster recovery purposes. It allows organizations to create snapshots or replicas of their data, providing a reliable and efficient way to restore data in case of data loss or system failures.
+- Big Data Analytics: Block storage is used in big data analytics environments to store and process large volumes of data. It provides the necessary performance and scalability to handle the massive amounts of data generated by analytics workloads.
+- Content Delivery: Block storage is used in content delivery networks (CDNs) to store and deliver static content, such as images, videos, and files. It ensures fast and reliable content delivery to end-users by caching and distributing it across multiple servers.
+- High-Performance Computing: Block storage is commonly used in high-performance computing (HPC) environments to store and process large datasets. It provides the speed and reliability required for complex scientific calculations and simulations.
+

content/learning-paths/090e7114-509a-4046-81f1-9c5fb8daf724/intro-storage/file-storage/_index.md

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+---
+title: "File Storage"
+description: "A hierarchical storage method that organizes data in files and folders, suitable for shared access and traditional workloads."
+themeColor: "#3C494F"
+cardImage: ""
+weight: 4
+---

content/learning-paths/090e7114-509a-4046-81f1-9c5fb8daf724/intro-storage/file-storage/content/benefits.md

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+---
+docType: "Chapter"
+id: "Benefits - File Storage"
+chapterTitle: "Benefits - File Storage"
+description: ""
+title: "Benefits - File Storage"
+weight: 3
+---
+
+
+### **Overview**
+
+Suppose your organization requires a centralized, easily accessible, affordable way to store files and folders. In that case, file-level storage is a good approach.
+
+The benefits of file storage include the following:
+
+- Simplicity: File storage is the simplest, most familiar, and most straightforward approach to organizing files and folders on a computer’s hard drive or NAS device. You name files, tag them with metadata, and store them in folders under a hierarchy of directories and subdirectories. It is not necessary to write applications or code to access your data.
+- File Sharing: File storage is ideal for centralizing and sharing files on a Local Area Network (LAN). Files stored on a NAS device are easily accessible by any computer on the network that has the appropriate permission rights.
+- Common Protocols: File storage uses standard file-level protocols such as Server Message Block (SMB), Common Internet File System (CIFS), or Network File System (NFS). Utilize a Windows or Linux operating system (or both). Standard protocols like SMB/CIFS and NFS allow you to read and write files to a Windows-based or Linux-based server over your Local Area Network (LAN).
+- Data Protection: Storing files on a separate, LAN-connected storage device offers you a level of data protection should your network computer experience a failure. Cloud-based file storage services provide additional data protection and disaster recovery by replicating data files across multiple geographically dispersed data centers.
+- Affordability: File storage using a NAS device allows you to move files off of expensive computing hardware and onto a more affordable LAN-connected storage device. Moreover, suppose you choose to subscribe to a cloud file-storage service. In that case, you eliminate the expense of on-site hardware upgrades and the associated ongoing maintenance and operation costs.
+- Accessibility: Files stored in the cloud can be accessed from anywhere with an internet connection, making it convenient for users to retrieve their files on different devices.
+- Scalability: Cloud storage allows users to quickly scale up or down their storage capacity based on their needs. This eliminates the need to purchase additional hardware or upgrade local storage devices.
+- Data Backup and Recovery: Cloud storage providers typically offer built-in data backup and recovery features, ensuring that files are protected from hardware failures, accidents, or other forms of data loss.
+- Collaboration: Cloud storage enables seamless collaboration among users by allowing them to share files and folders with others. Multiple users can work on the same file simultaneously, making it easier to collaborate on projects.
+- Syncing: Cloud storage often includes file synchronization features, automatically updating files across multiple devices. This ensures that users always have the latest version of their files, regardless of the device they are using.
+
+

content/learning-paths/090e7114-509a-4046-81f1-9c5fb8daf724/intro-storage/file-storage/content/details.md

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+---
+docType: "Chapter"
+id: "Details - File Storage"
+chapterTitle: "Details - File Storage"
+description: ""
+title: "Details - File Storage"
+weight: 3
+---
+
+
+### **Explained**
+
+File storage has been around for considerably longer than object or block storage. It is something most people are familiar with. You name your files, place them in folders, and nest them under more folders to form a set path. This way, files are organized into a hierarchy, with directories and sub-directories. Each file also has a limited set of metadata associated with it, such as the file name, the date it was created, and the date it was last modified.
+
+Hierarchical file storage is practical for organizing structured data. This works well up to a point, but as capacity grows, the file model becomes burdensome for two reasons. First, performance suffers beyond a certain capacity. A NAS system has limited processing power, making the processor a bottleneck. Second, performance also suffers with the massive database – the file lookup tables – that accompany capacity growth.
+
+Scaling requires adding more hardware or upgrading to higher-capacity devices, which can be costly. Cloud-based file storage services offer a solution by allowing multiple users to access and share files stored in off-site data centers. With a monthly subscription fee, you can keep your files in the cloud, quickly scale up capacity, and specify performance and protection criteria. Additionally, you save on the expense of maintaining on-site hardware since the cloud service provider manages the infrastructure.
+### **Definition**
+
+File storage in the cloud refers to the practice of storing and managing files on remote servers that are accessible via the Internet. Instead of saving files on local storage devices like hard drives or USB drives, cloud storage allows users to upload and store files on servers maintained by a cloud storage provider. These files can then be accessed, shared, and synced across multiple devices and platforms.
+
+Examples of file cloud storage services include Dropbox, Google Drive, and Microsoft OneDrive. These services typically offer a certain amount of free storage, with additional storage available for a fee.
+
+- Cloud File Storage: is a method for storing data in the cloud that provides servers and applications access to data through shared file systems. This compatibility makes cloud file storage ideal for workloads that rely on shared file systems and provides simple integration without code changes.
+- Cloud File System: is a hierarchical storage system in the cloud that provides shared access to file data. Users can create, delete, modify, read, and write files, as well as organize them logically in directory trees for intuitive access.
+- Cloud File Sharing: is a service that provides simultaneous access for multiple users to a common set of files stored in the cloud. Security for online file storage is managed with user and group permissions so administrators can control access to the shared file data.
+
+### **Requirements for Cloud File Storage**
+
+An ideal file-based data storage solution in the cloud must deliver the proper performance and capacity for today while also being capable of scaling as business needs change. The solution should include the following features:
+
+- Performance: provides consistent throughput, scalable storage space, and low-latency performance
+- Security: provides network security and access control permissions for sensitive data protection
+- Affordability: pay only for capacity used with no upfront provisioning costs or licensing fees.
+- Availability: Redundancy across multiple sites and always accessible when needed.
+- Compatibility: integrates seamlessly with existing applications with no new code to write
+- Fully Managed: provides a system that can be launched in minutes with no physical hardware required or ongoing software maintenance
+
+### **Different Cloud File Storage Services**
+
+The benefits of cloud file storage are clear, but it is important to note that not all cloud file storage solutions are created equal; various solutions exist. Cloud file storage can be delivered in one of two ways:
+
+- through fully managed solutions with minimal setup and little to no maintenance or
+- through do-it-yourself solutions with separate compute, storage, software, and licensing, which require staffed expertise to configure and maintain.
+