Articles

• HVM vs. PV

  Full virtualization and paravirtualization (PV) are simply two types of server virtualizations. They share similar traits, such as a physical server called a host and virtual servers called guests. Wh...

• Use Dedicated Instances

  This documentation is for dedicated instances, which help with HIPAA compliance requirements by providing the option of choosing dedicated hardware for your instances. Dedicated instances Most instanc...

• Use Provisioned IOPS Volumes

  This document describes how to use the provisioned IOPS (Input/Output Operations Per Second) volumes with Engine Yard Cloud. With provisioned IOPS volumes, you can tune your EBS volumes to the perform...

• Use EBS Optimized Instances

  This document describes how to use the EBS (Elastic Block Store) optimized instances with Engine Yard Cloud. EBS optimized instances provide persistent, high-performance, high-availability block-level...

• Promote an Application Slave

  The promote an app slave feature allows you to manually initiate an application master takeover. A few reasons why you might want to initiate a takeover: Change the size of your application master by ...

• Application Master Takeover

  Before you get started, you might like to view this short video on High Availability. Takeover is the Engine Yard failover process for recovering from failure of an application master instance. Notes:...

• Add Instances to an Environment

  You can grow your environment by adding additional application, database, or utility instances as needed. This allows you the ability to scale quickly, as needed, based on your unique app and environm...

• Instance Limits for Your Account

  By default, your Engine Yard account is allocated 20 instances.  To get more instances for your account Submit a ticket with Engine Yard Support requesting more instances. Note: The standard turnaroun...

• Supported Storage Types

  Storage types determine where your data will be saved and how fast it can be retrieved. The following storage types are supported for clusters: Elastic block storage (EBS) : EBS gives you block-level ...

• Replace Degraded Instances

  Read this page if you have received notification from Engine Yard that one of your instances is degraded. What is a degraded instance? An instance is degraded when the host hardware that the instance ...