September 17, 2019 Vignesh Sathiyanantham

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. It’s unclear from where the idea came from. Backup is a collection of data stored on (usually removable) non-volatile storage media for purposes of recovery in case the original copy of data is lost or becomes inaccessible; also called a backup copy. To be useful for recovery, a backup must be made by copying the source data image when it is in a consistent state. – The SNIA ( Storage…

August 31, 2019 Vignesh Sathiyanantham

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 instance. To know to install MySQL Server on Amazon Linux 2 on AWS Cloud click here Read here more about consistent, app-consistent, crash-consistent backup Nimesa supports pre and post script hooks to perform the specific operation before or after a backup, example if your Instance is running Oracle and you want to enable hot backup mode before performing backup you can write the script and upload to pre-script There is…

August 27, 2019 Vignesh Sathiyanantham

In my previous post, we discussed the creation of IAM user and the privilege required to protect your AWS EC2 instances. In this post, we will discuss to register the AWS account with Nimesa. Open the Nimesa web console ( refer this post for the Installation of Nimesa in your AWS account ), and log in with the credential. Then Go to “Configuration settings” > “manage platforms” In the manage platform, click on Add platform Enter the unique friendly account nameAccess Key of the IAM userSecret key Nimesa will validate the credentials, and save it in MySQL database after encrypting…

August 21, 2019 Vignesh Sathiyanantham

In my previous post, I have explained how to deploy Nimesa cloud data protection software in your AWS account. In this post, will discuss on the permission required to protect EC2 Instance and RDS Instance. Then how to create an IAM account and get the access key. To perform the Backup, Restore, DR operation, utilization details an IAM user with the required permission and programmatic access is required. Creating the IAM user with permission is very simple. I have published the JSON file with the permissions required in my public GIST. You can directly use it https://gist.github.com/asvignesh/9cd266549ea1f969e165423db380c31a Create a policy,…

August 21, 2019 Vignesh Sathiyanantham

In the recent posts, I shared about taking backup and restore of database and also discussed some of the issues I have seen in the customer environment and how I fixed those in Nimesa Software Nimesa uses cloud-native / storage native snapshot technology to provide the backup, backup copy to DR site, restore on primary, restore on secondary, power and cost management everything in a single Software suite for both public cloud and the private cloud. Currently, Nimesa is available as a community AMI in the Amazon marketplace. The AWS Marketplace is a curated digital catalog that makes it easy…

August 21, 2019 Vignesh Sathiyanantham

Recovery Point Objective (RPO) and Recovery Time Objective (RTO) are two of the most important parameters of the disaster recovery (DR) or data protection planning. These are the objectives/decision points for choosing the optimal backup software. Recovery Point Objective (RPO) Recovery Point Objective (RPO) describes up to what point in time could the business-critical data can be recovered in other words the last point where the data is in a usable format If you back up all or most of your data in regularly scheduled 24-hour increments, then in the worst-case scenario you will lose 24 hours’ worth of data….

August 21, 2019 Vignesh Sathiyanantham

Who uses MongoDB? Based on the online resource* there are 37,658 Companies using MongoDB, MongoDB is most often used by companies with 10-50 employees and 1M-10M dollars in revenue, and the market share is about 5.0% and also many financial services using the MongoDB Data is always critical whether its RDBMS or NoSQL or Flat files AWS EBS Volume Snapshot is block-level incremental snapshots, which is one of the best and efficient way to protect the Data in the EC2 environment, you might have read lots of posts, whitepapers about advantages of using the snapshot technology. But the Snapshots of…

June 28, 2019 Vignesh Sathiyanantham

Nimesa supports multiple users/tenants can be added by the Super Admin, the user can be authenticated using Local or Organization SSO LDAP Authentication methods. Nimesa supports integration with Windows Server Active Directory and Open-LDAP To use SSO with open LDAP / Microsoft ADFS : · LDAP server should be registered with an account to list and import users. · All users imported will be assigned with Admin privileges and will have full privileges to add and manage vCenter, Storage or AWS Accounts · After importing the user, the LDAP user can log in with their credential to Nimesa Note: Nimesa…

May 9, 2019 Vignesh Sathiyanantham

Changing the individual database recovery model is very simple with the Microsoft SSMS. But recently in one of our Nimesa customer environments, he had 200 databases in a non-production instance and all the databases are in the simple recovery model. That user wanted to do POC of Nimesa Application-aware backup and Point in time recovery for MS SQL database server, Log backups are not possible with the simple recovery model, so I executed a small PowerShell script which changes all the databases to the FULL recovery model from the simple recovery model Get-SqlDatabase -ServerInstance NW1\CLUST2 The above Powershell command gets…

May 2, 2019 Vignesh Sathiyanantham

Failure rate depends more on the number of disk blocks modified since the last snapshot of the EBS volume than the total size of the volume. EBS has a listed failure rate of 0.1% – 0.4% annually, compared to a commodity disk’s rate of 4%. At first glance, this appears to be great, but this is somewhat misleading as any real production setup will use some sort of RAID. Using a RAID 1 with two drives failing at 4% would give a failure rate of 0.16% annually, which appears to be line with EBS. As long as the failed drive…