Why Windows Server 2016 In AWS Unable To Resolve Public And Local DNS

Windows Server 2016 In AWS Unable To Resolve Public And Local DNS

Before reading further about this DNS issue, I want to clarify few things.

  • This issue happened only in AWS.
  • Windows Server 2016 has this issue.
  • On Domain Controller, I was Able to access the internet before configuring the AD/DNS.
  • On Member Server, I was able to access the internet before joining the domain.
  • Standalone Windows servers are working fine. Only the Domain Controller and the members of the domain having this problem.

Read More

Automatically Enable CDC In RDS SQL Server

Automatically Enable CDC In RDS SQL Server

AWS recently announced a new feature which will help to enable CDC in RDS SQL server on user databases. Here this the detailed blog post that explains how to enable this CDC for DMS service. CDC is an enterprise edition feature. But RDS SQL Server Standard editions are supporting CDC. The most important thing is we can use this feature to achieve the below things.

Read More

Don’t Use AWS AMI To Backup Your EC2 Database Server

Don't Use AWS AMI To Backup Your EC2 Database Server

I have started my career to handle the databases which all are in the Cloud. Most of the database servers are in AWS EC2. AMI is one the simplest and great feature to take a VM level backup and restore it when a disaster happens. But DBAs never depend on the VM or SAN backups, so I have configured native backups for all of my database servers. But I used to choose to restore the AMI whenever we need a Dev/Test server. Because restoring a huge database will take more time and its pretty expensive operation. So I just drop the existing Dev DB server and launch it from the AMI.

Read More

SSMS Hidden Feature: SHOWPLANTEXT_ALL with Results

SHOWPLANTEXT_ALL with Results

First of all, I’m seeing this feature on SSMS 17, but later I found this feature came with SSMS 2016. So if you found this already then just ignore this.
In earlier versions of SSMS, If we want to get the SHOWPLAN in TEXT or Table format then we can use the SHOWPLAN_ALL query. But it would return only the plan of the query not for the result. But in SSMS 2016 or later we can see this show plan without add any additional query and also it’ll return the result of that query.

Read More

How To Restore Corrupted System Databases

How To Restore Corrupted System Databases

Today Dec 31, Sunday. Everybody waiting for the New Year. I’m also waiting for that and enjoying the last holiday of this year. But my SQL server doesn’t like the 2018 I guess 🙁 We have migrated our SQL Datawarehouse from Datacenter to AWS. We followed block level copying method which means sent entire Disks data to AWS then create volumes from that data. We kept data and logs on different disks.

Read More

Configure Bucardo replication on CentOS

configure bucardo replication centos

I was working with a migration process to migrate the Postgresql Database from Ec2(centos) to AWS RDS. Since I did many migrations to RDS but this is my first migration with Postgresql. The challenge was the source database in Postgresql 9.2 and I wanted to 9.6 on RDS. So decided to configure bucardo replication centos.

Read More