Systems that solve operational problems at scale.
Notes from Vignesh A S on Java, Kafka, distributed systems and AI-assisted tooling.
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Application consistent backup of Oracle database
One of our POC customers has few Oracle databases running in their datacenter, they wanted to create application-consistent backups of their Virtual machines running Oracle server using Nimesa. Read more…
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How to dump Oracle sqlplus output to a file
The SPOOL is a command causes SQLPlus to write the results to a file on the operating system. Once spool is set, SQLPlus will continue to spool the output until…
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Create Oracle database from command line
Day 2 activity of the DBA’s, after setting up the database server and configured all the required privileges and applying the patch, we will create a new database Developers and…
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How to check if the ORACLE database is in archive log mode
An Oracle database can run in one of two modes. By default, the database is created in NOARCHIVELOG mode. This command will check to see if you have altered your…
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Environment variables to set for Oracle server – Post Installation
After the successful installation of oracle, need to set some environment variables to access clients like SQLPLUS, setup the TMPDIR, ORACLE_BASE, ORACLE_HOME and add the lib to path Change the…
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AWS Storage Gateway
The data is moving to the cloud, many enterprises are moving to the cloud in full swing. Instead of refactoring the whole set of application companies start their cloud journey…
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Backup the Encrypted EBS volumes to DR Region / cross-account DR
Amazon EBS encryption offers a straight-forward encryption solution for your EBS resources that don’t require you to build, maintain, and secure your own key management infrastructure. It uses AWS Key…
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Application consistent protection of MySQL databases: Nimesa approach
Nimesa supports application-consistent backup of MSSQL databases with the recovery options from instance to table level. Recently we launched the MySQL application consistent backup to the beta customers Application consistency…
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How we recovered the Virtual Machines after the Ransomware attack
A developer identified an attack in his dev virtual machine running on datacenter, and also he found an HTML file named READ_TO_DECRYPT in his desktop Read Protect or Ship Bitcoin…
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Protect your WordPress website hosted in Amazon EC2
All websites available on the internet are vulnerable to hacking attempts, DDOS attack, Data loss, This could happen to WordPress websites as well. WordPress has core files, the wp-content folder…
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Microsoft SQL Server on Amazon RDS vs EC2
AWS offers two main options for deploying SQL Server in the cloud – Elastic Compute Cloud and Relational Database Service. I lately read a few blogs and did some searches…
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Migrate SQL Server 2012 Database to SQL Server 2019
After the availability of SQL Server 2019 and Windows Server 2019, I decided to play around with that in my lab. Microsoft, owing to the new demands and other technological…
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Registering Pure Storage array with Nimesa
Nimesa data protection for Pure Storage integrates tightly with Pure Storage’s snapshot, replication and clone capabilities. Nimesa enables admins to create fast, space-efficient, point-in-time virtual copies of applications and virtual…
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Protecting your Microsoft SQL Server databases
Microsoft SQL Server is one of the most popular enterprise database, a lot of enterprises run MS SQL Server for their mission-critical applications SQL Server database management engine is fast…
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Protection of VMware virtual machines in the backup group
Using Nimesa the Data protection software VMware Backup admins can protect the virtual machines of multiple deployments scenarios Admins can protect Individual VM on Single Datastore Multiple VM on Single…
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Change the data directory of the PostgreSQL
In ubuntu 18.04 PostgreSQL is running on the default directory /usr/lib/postgresql/ and the data directory is ‘/etc/postgresql/10/main’ To get the data directory you can run To change the data directory,…
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Grandfather-Father-Son Backup Retention
Backup rotation/retention scheme is the how long the backup is retained on the media, many techniques have evolved over time to balance the data retention and the restoration costs. Grandfather-father-son…
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AWS EBS point-in-time crash-consistent snapshot across multiple EBS volumes
Amazon EBS enables users to backup volumes ar any time using EBS snapshots, Snapshots retain the data from all completed I/O operations, allowing you to restore the volume to its…
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Storage Array Snapshots
In today’s data center industry there is a misconception about the storage snapshot as a Backup. The main one is storage snapshots are not backup, they are just point-in-time copies.…
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MySQL application consistent backup using pre and post script with Nimesa Data Protection
In recent posts, we have discussed adding your AWS account to Nimesa to do the data protection. In this post, we will discuss application-consistent backups of your MySQL on EC2…