This limitation is due to an underlying Azure Managed disk V1 which needs a manual disk scaling operation. These scenarios include reaching, starting at, or crossing the 4096 GiB limit, such as when scaling from 2048 GiB to 8192 GiB etc. However, with the new and enhanced experience, you no longer receive that message because the server restart now happens seamlessly online, thanks to this feature.Įxception: Disk scaling operations are always online except in specific scenarios involving the 4096 GiB boundary. In the earlier experience, when you scaled the disk from 128 GiB to 1 TiB, you would receive a server restart message. The below image depicts the disk scaling experience before and after the recent improvement, highlighting the elimination of the need for a server restart during disk scaling operations.
Azure Database for PostgreSQL Flexible service has enabled this capability for all regions, allowing customers to benefit from online disk scaling without any server restarts in most cases. It is important to note that you do not need to take any action to use this feature. This improvement further strengthens the value of storage auto-grow, enabling uninterrupted availability and efficient management of storage capacity. By removing the requirement for server restarts during disk scaling operations, customers can seamlessly expand their disks online, ensuring smooth scaling without any disruptions. This enhancement brings substantial advantages to users of Azure Database for PostgreSQL Flexible Server. It relies on this feature to perform online scaling operations, ensuring uninterrupted availability of the PostgreSQL Flexible Server. Online Disk Scaling is a valuable feature that eliminates the need for server restarts and is particularly beneficial for storage auto-grow. This feature ensures that scaling operations for your PostgreSQL Flexible Server, in most cases, do not cause any downtime, with the exception mentioned below. This enhancement enables customers to expand disks online without any impact on their business operations. However, starting today, most disk scaling operations no longer need service restarts. One of the primary obstacles that Azure Database for PostgreSQL Flexible Server customers faced in the past was the need to restart servers during disk scaling operations. We will explore how these features empower you to achieve seamless scalability for your Azure PostgreSQL databases, allowing you to effectively manage your growing data storage requirements. In this blog, we will delve into the benefits and functionalities of storage auto-grow and online disk scaling. We are excited to announce that storage auto-grow and online disk scaling for Azure Database for PostgreSQL - Flexible Server - are now available in public preview across all commercial Azure regions. Storage auto-grow automatically scales the disk when storage capacity is running low, ensuring that your server always has sufficient storage without any downtime or disruptions. Online disk scaling ensures that server restart is not needed when expanding a disk, enabling seamless scalability without interruptions. To address this challenge, two important capabilities are needed, Online disk Scaling and Storage auto-grow. This often leads to the database becoming read-only, as there is no space left for new transactions. Many customers initially start with smaller databases, but as their data grows, it eventually consumes all available storage. It has become crucial to have flexible and scalable solutions in place to adapt to these evolving needs. In today's rapidly evolving digital landscape, businesses face continuously changing data storage requirements.
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