Tag Archive: NDB

NDB – PostgreSQL Database Instance Not Starting

Had a question the other day about a problem to start PostgreSQL Community Edition version 15.7 on Rocky Linux 9.4. Using the “systemctl status era_postgres.service” command provided the following output Error including “code=exited, status=203/EXEC” typically indicates something related to Security-Enhanced Linux (SELinux) and when checking the configuration, using the “getenforce” command it displayed “enforcing” meaning …

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Nutanix Database Service (NDB) Remove Nutanix Cluster

There might be situations where you need to remove a Nutanix cluster which is being managed by Nutanix Database Services (NDB). This can easily be done via via API and UI but there are certain pre-requisites that needs to be in place before you can start the process including: The NDB Server VM must not …

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Nutanix Database Service (NDB) Operating System Pacthing Rollback

Operating system patching is available via Nutanix Database Service (NDB) since version 2.5 for Linux based database servers virtual machine when running database engines Oracle, PostgreSQL, and MongoDB. I just wanted to bring to your attention some additional information that was added to the NDB User guide around operating system patching yesterday, 2023-11-15, when it …

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Nutanix Database Service (NDB) Operator for Kubernetes

You might have seen and even tried out the Nutanix Database Service (NDB) operator for Kubernetes while it’s been under development for some time and now it’s made GA. The operator provides simplified database life-cycle management to K8, can run both inside and outside of K8 and includes the following capabilities with it’s initial release: …

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NDB Quick Tip VIII – PostgreSQL EnterpriseDB

NDB currently supports PostgreSQL with both single deployment model and in a highly available deployment model.  PostgreSQL community edition (CE) is what i’m getting most questions about and what i have seen our NDB customer using the most but some customers are also using PostgreSQL EnterpriseEDB and this is also an edition which NDB supports. …

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NDB Quick Tip VII – Manage Multiple Types of MSSQL DBs

As you might be aware of NDB supports Microsoft SQL Server (MSSQL) Windows Server Failover Cluster (WSFC) based databases including both Failover Cluster Instance (FCI) and always on availability group (AAG) as well as standalone databases. See information about NDB supported configurations for MSSQL here So now on to the actual quick tip 🙂 If …

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NDB Quick Tip VI – DB Server VMs with same IP Address

Can NDB manage DB Server VMs with same IP address ? The above question has come up a few times over the past few months when discussing DBaaS with potential customers. The short answer is NO, each DB Server VM needs to have a separate IP address and to date it has never been a …

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NDB Quick Tip V – New NDB Documentation Structure

Welcome to the fifth blog post in the NDB quick tip series which will cover the NDB administration guide. Other blog posts in the Quick Tip series are: NDB Quick Tip IV – NDB Pulse Telemetry NDB Quick Tip III – Supported Functionalities per DB Engine & DB Server VM Operating System NDB Quick Tip …

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NDB Quick Tip IV – NDB Pulse Telemetry

The is the forth blog post in the NDB Quick Tip series &  will be about NDB Pulse data. Guess you’re already familiar with Nutanix Pulse data for your Nutanix clusters, right ? Other blog posts in the Quick Tip series are: NDB Quick Tip III – Supported Functionalities per DB Engine & DB Server …

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NDB Maintenance Window – Part III

This is part II of the NDB Maintenance Window blog series. See the other part(s) via: NDB Maintenance Widow – Part I NDB Maintenance Widow – Part II NDB Maintenance Window – Part III The third post about Maintenance Window will be about how to remove a DB Server VM. This can definitely be done …

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NDB – Scale Storage for a MongoDB Instance

Since a few NDB versions back it is supported to scale/increase database storage  (data, journal and log) for MongoDB instance via API and CLI, see for example NDB 2.5.1.1 Release Notes to find out NDB capabilities for a MongoDB instance including: Single instance vs Replica set Greenfield which is a DB provisioned by NDB vs …

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NDB Quick Tip III – Supported Functionalities per DB Engine & DB Server VM Operating System

The is the third blog post in the NDB Quick Tip series and this one will be about what functionalities NDB supports per DB engine & DB Server VM operating system. Other blog posts in the Quick Tip series are: NDB Quick Tip II – PostgreSQL extensions NDB Quick Tip I – API v0.9 Back …

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NDB Quick Tip II – PostgreSQL extensions

The second post in the Quick Tip series is about PostgreSQL extensions which is commonly used & it is used to add functionality & improving processes.   The first blog post in the series is available via: NDB Quick Tip I – API v0.9 With the release of NDB version 2.5, release in september 2022, …

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NDB Maintenance Window – Part II

This is part II of the NDB Maintenance Window blog series. See the other part(s) via: NDB Maintenance Widow – Part I NDB Maintenance Widow – Part II NDB Maintenance Window – Part III NDB really needs an option to add multiple DB Server VMs to a maintenance window I have seen/got the above statement/question, …

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NDB Quick Tip I – API v0.9

Have decided to start putting out short Nutanix Database Service (NDB) “quick tip” blog posts which will all be based on questions i receive when talking to colleagues, customers & partners. This first one will be about the NDB API. For those of you consuming Nutanix Database Service (NDB) via the API you’re aware of …

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NDB Maintenance Window – Part I

Lately i have received quite a few questions around the Nutanix Database Services (NDB) Maintenance Window functionality which was released with NDB version 2.5. Based on this i have decided to put together a blog series about it and this first one will cover the basics. See the other part(s) via: NDB Maintenance Widow – …

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