What Is the Data Storage in Azure Called and Its Key Features

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Azure offers a robust data storage solution known as Azure Blob Storage.

Azure Blob Storage is a highly scalable object store that allows you to store and serve large amounts of unstructured data, such as images, videos, and documents, from anywhere in the world.

Azure Blob Storage is designed to handle large amounts of data, with the ability to store up to 5 TB in a single blob.

Azure Storage Options

Azure Storage Options offer a robust and scalable solution for storing and managing data in the cloud. Azure Blob Storage is a popular choice for storing unstructured data such as images, videos, and documents.

Azure Disk Storage provides a block-level storage solution for virtual machines, offering high-performance and low-latency access to data. It's ideal for applications that require high I/O throughput and low latency.

Azure File Storage is a network file system that allows you to share files across multiple virtual machines, making it a great option for distributed applications and collaboration.

Block

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Block storage is a great option for storing large files, and Azure's Block Blobs are perfect for this purpose. They can store media files, text files, documents, and binary files of up to 4000 MiB in size.

You can store up to 50,000 blocks in a single blob, and uncommitted blocks can total up to 100,000. This makes it ideal for large-scale data storage needs.

One of the key features of Block Blobs is that blocks remain uncommitted until they are saved or discarded. This allows for flexibility in how you manage your data.

Here are some key facts to keep in mind:

  • Block Blobs can store files up to 4000 MiB in size.
  • Up to 50,000 blocks can be stored in a single blob.
  • Uncommitted blocks can total up to 100,000.

Page

Page blobs are a collection of 512-byte pages used for random read and write operations.

They're particularly useful for applications that require high performance and low latency, such as real-time data processing or gaming platforms.

The total size of a page blob is 8 TiB, making it a great option for large-scale data storage needs.

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Page blobs are created by writing the maximum size a blob will grow on a page blob, which is a key difference from block blobs.

Here are some key characteristics of page blobs:

  • Collection of 512-byte pages
  • Used for random read and write operations
  • Total size: 8 TiB
  • Created by writing the maximum size a blob will grow

Overcoming SQL Drawbacks

Azure SQL Data Warehouse is designed to overcome the limitations of traditional SQL databases. It provides various migration tools to simplify the process of transferring data from on-premises or other cloud services.

Azure Data Factory, Azure Database Migration Service, and Azure Data Sync are some of the tools that make data migration a breeze. These tools reduce the complexity and time required for data migration.

To overcome the limitations on connections, Azure Data Warehouse supports dynamic scalability. This means users can independently scale compute and storage resources based on their business requirements.

Dynamic scalability enables businesses to add more resources when needed to handle increased workloads and users. This is a game-changer for businesses that experience sudden spikes in activity.

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Azure Data Warehouse provides a feature called "memory-optimized tables" to improve the performance of OLTP workloads. This feature is a significant improvement over traditional SQL databases.

PolyBase is another feature that allows users to query data stored in Hadoop or Azure Blob Storage using T-SQL commands. This feature is a major advantage for businesses that need to integrate data from multiple sources.

A unified Azure portal is available to consolidate all Azure services, including Azure Data Warehouse. This simplifies administration and reduces the need for multiple logins and interfaces.

Here are some of the tools and features that make Azure SQL Data Warehouse a powerful solution:

  • Azure Data Factory, Azure Database Migration Service, and Azure Data Sync for data migration
  • Dynamic scalability for increased connections and resources
  • Memory-optimized tables for improved OLTP performance
  • PolyBase for querying data in Hadoop or Azure Blob Storage
  • Unified Azure portal for simplified administration

About

Azure Storage Options offer a variety of features to suit different needs. Blob Storage supports Azure Data Lake Storage Gen2, a solution for cloud-based big data analytics.

Azure Data Lake Storage Gen2 provides a hierarchical file system, which is a key advantage for many users. This allows for more organized and efficient storage.

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Blob Storage offers low-cost, tiered storage, making it a cost-effective option. This means you can store data in different tiers, depending on how often you need to access it.

High availability is another benefit of Blob Storage, ensuring that your data is always accessible. This is particularly important for businesses that rely on data to operate.

Strong consistency is also a feature of Blob Storage, which means that data is always up-to-date and accurate. This is a major advantage for applications that require real-time data.

Disaster recovery capabilities are also built into Blob Storage, providing an added layer of protection for your data. This means you can rest assured that your data is safe, even in the event of an outage or disaster.

Here are the key features of Azure Data Lake Storage Gen2:

  • Low-cost, tiered storage
  • High availability
  • Strong consistency
  • Disaster recovery capabilities

Azure Queue Service

Azure Queue Service is a high-performance message buffer that acts as a broker between front-end components and the middle tier. It's a crucial component for handling unexpected peaks in demand.

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A storage queue is addressable using the subsequent URL format: https://myaccount.queue.core.windows.net/. This format allows for easy access to queues within a storage account.

Queue names must be all lowercase, and a message can have a range up to 64 KB. The maximum time-to-live for a message is any positive number or -1, indicating it doesn't expire.

The Azure Queue Service helps prevent lost stories and unresponsive applications during high demand periods. It allows front-end components to place messages into a queue, which the middle tier retrieves one at a time for processing.

At times of high demand, the queue may grow in length, but the application will remain responsive. This is especially important for a news organization with a worldwide network of journalists sending updates through a web portal and mobile app.

Azure Queue Service is a cost-effective solution for handling unexpected peaks in demand, as it doesn't require adding more instances of the website and middle tier web service. This is beneficial for organizations looking to avoid unnecessary expenses.

Azure Table Service Table

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Azure Table Service Table is a fundamental component of Azure Table Storage. It's a group of entities that can contain different sets of properties, making it easy to adapt your data as your application evolves.

A table can store any number of entities, and each entity is a collection of properties, similar to a database row. Each entity can be up to 1MB in size.

Entities in Azure Table Storage have three system properties: a partition key, a row key, and a timestamp. These system properties help with querying and inserting/updating entities.

Here are the key characteristics of an entity:

  • Partition key: helps with querying entities
  • Row key: unique identifier within a partition
  • Timestamp: system property

Entities with the same partition key are often queried more quickly and inserted/updated in atomic operations. This makes Azure Table Storage perfect for storing structured, non-relational data.

Azure Disk Storage

Azure Disk Storage is a type of block-level storage managed by Azure, used with Azure Virtual Machines.

It's similar to a physical disk in an on-premises server but virtualized. You specify the disk size, type, and provision the disk, and Azure handles the rest.

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Each disk can take one of three roles in a virtual machine: OS disk, data disk, or temporary disk.

The OS disk contains the operating system files and has a maximum capacity of 2,048 GB.

Data disks are used to store data, such as database files, website static content, or custom application code, and can have a maximum capacity of 32,767 GB.

Temporary disks are used for short-term storage applications and are local to the server, not stored in a storage account.

The number of data disks that can be added depends on the virtual machine size.

Azure Disk Storage is a good option for organizations that want to preserve data not required to be accessed from outside the virtual machine.

It's capable of "lift and shift" of applications that use native file system APIs to read and write data to persistent disks.

Here are the three types of disks in Azure Disk Storage:

  • OS disk: contains the operating system files, maximum capacity of 2,048 GB
  • Data disk: stores data, maximum capacity of 32,767 GB
  • Temporary disk: used for short-term storage applications, local to the server

Azure Security and Monitoring

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Azure Storage accounts provide several high-level security benefits for the data in the cloud, including protecting data at rest.

Protecting data in transit is also a priority, ensuring that sensitive information remains secure as it's transferred online.

To give you a better idea, here are some key security features of Azure Storage:

  • Protect the data at rest
  • Protect the data in transit
  • Control who can access data
  • Audit storage access

This means you can have peace of mind knowing your data is secure and compliant with industry standards.

Security

Azure Storage provides several high-level security benefits, including protecting data at rest and in transit. This ensures that your data is safe from unauthorized access.

Azure Storage accounts also offer control over who can access data, allowing you to specify permissions and access levels. This is especially useful for teams or organizations with sensitive information.

Data is automatically encrypted by Storage Service Encryption (SSE) with a 256-bit Advanced Encryption Standard (AES) cipher. This process incurs no additional charges and doesn't degrade performance.

Here are the key security benefits of Azure Storage:

  • Protect the data at rest
  • Protect the data in transit
  • Control who can access data
  • Audit storage access

Account Monitoring

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Azure Storage Account Monitoring is a powerful tool that helps you keep an eye on your storage account's performance and identify potential issues. It's enabled individually for each service to be monitored, and can be done from the Azure portal.

Storage Analytics logs and provides metrics data for your storage account, which you can use to trace requests, examine usage trends, and identify issues. This data is stored in an eminent blob for logging and in renowned tables for metrics.

The gathered data has a 20 TB limit, which is independent of the total limit for the storage account. This means you can store a large amount of data without worrying about hitting the storage account's overall limit.

Once you've configured your Storage Account to the Diagnostics option under the Monitoring section, you can define the type of metrics data to monitor and the retention policy for the data.

A different take: Onedrive Free Storage Limit

Azure Storage Tiers

Azure Storage Tiers offer a flexible way to store data based on its frequency of access and storage duration. There are three main tiers: Hot, Cool, and Archive.

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The Hot tier is ideal for frequently accessed data, with online access and the highest storage cost, but lowest access cost. Data that is in active use or predicted to be accessed often belongs to this tier. The storage access cost for the Hot tier is higher than the other two tiers, but access cost is low.

The Cool tier is suitable for occasionally accessed data, such as backup and disaster recovery files, infrequently used data that requires availability, and large data sets that need cost-effective storage. The Cool tier has lower storage costs and higher access costs compared to the Hot tier. Data must stay in the Cool tier for at least 30 days.

The Archive tier is designed for rarely accessed data, such as long-term backups, secondary backups, raw data, compliance data, and archival data. Data must stay in the Archive tier for at least 180 days or face an early deletion charge. The storage cost is low, but data retrieval cost is high compared to the other two tiers.

Here's a summary of the key differences between the three tiers:

Data can be changed between tiers using the REST API Set Blob Tier or the Copy Blob operation. Changing from Hot to Cool (or vice versa) or to Archive initiates changes instantly, but changing an archived blob to a Hot or Cool tier requires rehydration, which can take up to 15 hours.

Azure Storage Types

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Azure Storage provides different types of storage accounts, each with unique features and pricing models. This is crucial to consider before creating a storage account to determine the best option for your applications.

There are five main types of storage accounts in Azure: General-purpose v2 accounts, General-purpose v1 accounts, Block Blob Storage accounts, File Storage accounts, and Blob Storage accounts.

General-purpose v2 accounts are the recommended choice for most scenarios using Azure Storage, as they support blobs, files, queues, and tables.

General-purpose v1 accounts are a legacy account type that should be avoided when possible, as they are less secure and less efficient than General-purpose v2 accounts.

Block Blob Storage accounts offer premium performance characteristics for block blobs and append blobs, making them ideal for scenarios with high transaction rates or smaller object sizes.

File Storage accounts provide premium performance characteristics for files-only storage, making them suitable for enterprise or high-performance scale applications.

Here's an interesting read: Linode Block Storage

Credit: youtube.com, Azure Files vs Azure Blob Storage - Which Storage Type Do You Need?

Azure also offers four main storage types: Blobs, Queues, Tables, and Files, each optimized for different scenarios and data types.

Here is a summary of the four main storage types:

Azure Blob Storage includes three types of blobs: block blobs, append blobs, and page blobs, each serving a different purpose.

Block blobs are the most common type of blob and are used for storing large amounts of unstructured data.

Append blobs are used for logging and auditing, as they allow data to be appended to the end of the blob without overwriting the existing data.

Page blobs are used for storing large files, such as images and videos, as they allow for random access and efficient storage of large amounts of data.

Azure Blob Storage is a key component of Azure Storage, offering a scalable and secure solution for storing and retrieving data.

Additional reading: Block Level Storage

Azure Storage Advantages and Disadvantages

Azure Storage offers a range of benefits, including high scalability and performance, making it suitable for large datasets and applications.

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It also provides high availability, ensuring that data is always accessible and can be recovered in case of an outage.

One of the main advantages of Azure Storage is its ability to integrate with other Azure services, such as Azure Data Warehouse, to provide a comprehensive data storage solution.

However, like any solution, Azure Storage also has its limitations, including potential costs associated with high storage usage.

Advantages

Azure Data Warehouse is a cost-effective solution that allows businesses to pay for only the storage and processing power they need.

With Azure SQL Data Warehouse, businesses can easily scale up or down their processing power based on their needs, thanks to its scalable compute power.

Compliances are also a major advantage, as Azure Data Warehouse is compliant with industry standards and regulations such as PCI-DSS, SOX, and HIPAA.

Microsoft takes care of system management tasks, freeing up time for businesses to focus on their data analysis tasks.

The solution provides built-in security features such as Azure Threat Detection and Transparent Data Encryption (TDE) to secure data at rest.

Azure Data Warehouse can be easily integrated with other Azure services, providing businesses with a comprehensive data analysis solution.

Disadvantages

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Azure Storage can be complex to set up and manage, especially for small businesses or individuals without extensive technical expertise.

The cost of Azure Storage can add up quickly, especially if you're storing large amounts of data. Azure Blob Storage pricing, for example, is based on the amount of data stored, the number of requests made, and the type of storage used.

Security and data protection are top concerns for businesses, and Azure Storage has robust security features, but it's still vulnerable to data breaches and unauthorized access.

Azure Storage's scalability can be a double-edged sword - while it's great for handling sudden spikes in traffic, it can also lead to unnecessary costs if not managed properly.

Some features, like Azure Data Lake Storage, require specialized knowledge and expertise to use effectively.

Azure Storage's architecture can be difficult to understand and navigate, especially for those new to cloud storage solutions.

Curious to learn more? Check out: Azure Blob Storage Security

Azure Storage Resources and Next Steps

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To get started with Azure Storage, you'll need to create a storage account, which is a critical step in setting up your data storage solution.

Here are the next steps to take:

  • Create a storage account
  • Scalability and performance targets for Blob Storage

These steps will help you establish a solid foundation for your Azure Storage setup, allowing you to efficiently store and manage your data.

Resources

Resources are the building blocks of your storage solution.

The three main resources you'll work with in Azure Blob Storage are the storage account, container, and blob.

A storage account is the top-level resource that holds all your data.

You'll need to create a storage account before you can create containers and blobs.

A container is a logical grouping of blobs, similar to a folder in a file system.

You can think of a container as a way to organize your blobs for easier management.

Here are the three main resources you'll work with in Azure Blob Storage:

  • The storage account
  • A container in the storage account
  • A blob in a container

Next Steps

Now that you've learned about Azure Storage resources, it's time to take action. Create a storage account to get started.

Credit: youtube.com, 4. How to create Storage account on Azure Portal | Azure Data Engineer

You'll want to set scalability and performance targets for Blob Storage to ensure it meets your needs.

To do this, you'll need to consider factors such as storage capacity, data transfer rates, and latency. This will help you determine the right configuration for your application.

Here are some key considerations to keep in mind:

  • Storage capacity: Determine how much data you'll need to store and choose a storage account that can handle it.
  • Data transfer rates: Consider how quickly you'll need to transfer data in and out of your storage account.
  • Latency: Think about how quickly your users need to access their data.

By considering these factors, you'll be able to create a storage account that meets the scalability and performance targets for your Blob Storage needs.

Frequently Asked Questions

What are the 3 types of data that can be stored in Azure?

Azure offers three primary types of data storage: Blob Storage for unstructured data like images and videos, Table Storage for structured data, and Queue Storage for message-based data. These storage options enable efficient management of various data types in the cloud.

Is blob storage the same as S3?

Blob storage serves a similar purpose to AWS S3, but it's a unique Azure service with its own features and capabilities. If you're looking for a cloud storage solution, blob storage is definitely worth considering.

Which storage is best in Azure?

For high-performance and durability, consider Azure Premium SSD or Azure Ultra Disk Storage for your Azure Virtual Machines. These options offer industry-leading SLAs and security features.

Gilbert Deckow

Senior Writer

Gilbert Deckow is a seasoned writer with a knack for breaking down complex technical topics into engaging and accessible content. With a focus on the ever-evolving world of cloud computing, Gilbert has established himself as a go-to expert on Azure Storage Options and related topics. Gilbert's writing style is characterized by clarity, precision, and a dash of humor, making even the most intricate concepts feel approachable and enjoyable to read.

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