Working with /mnt size on EY Cloud

Working with /mnt size on EY Cloud

When you’re booting a new environment or adding a new cluster to a specific environment, you might want to specify a custom size for the /mnt partition or you can ignore those fields. If you specify a value on the respective field for /mnt size, the system will take such value and assign it to the /mnt partition. Otherwise, if you don’t specify a value, the system will assign 25GB.

Prerequisite:  You need the username and password for your EY Cloud account. If you do not already have this, submit a request with Engine Yard Support.

To determine if the /mnt default size works

  1. Log in to EY Cloud at http://cloud.engineyard.com.

  2. Create a new environment with the following data:

  • Todo App

  • Production

  • Passenger 4

  • Stable-v4

  • Ruby 2.1

  • RubyGems 2.4.8

  • PostgreSQL 9.4

  • US East (N. Virginia)

  • Staging Setup

  • Wait for chef to completion.

  • Verify chef runs to completion and app works as expected.

  • SSH into each instance and check the /mnt size (df -h /mnt).

  • Make sure the /mnt size is 25GB for all instances.

  • To determine if the /mnt custom size works

    1. Log in to EY Cloud at http://cloud.engineyard.com.

    2. Create a new environment with the following data:

    • Todo App

    • Production

    • Passenger 4

    • Stable-v4

    • Ruby 2.1

    • RubyGems 2.4.8

    • PostgreSQL 9.4

    • US East (N. Virginia)

    • Custom Setup

    • 1 App Instance (default size)

      • /data volume: 20GB
      • /mnt size: 10GB
    • 1 DB Instance (default size)

      • /data volume: 150GB
      • /mnt size: none (leave it in blank)
    • 1 Utility Instance (default size)

      • name: up to you
      • /data volume size: 15GB
      • /mnt size: 1GB
  • Wait for chef to completion.

  • Verify chef runs to completion and app works as expected.

  • SSH into each instance and check the /mnt size (df -h /mnt).

  • Make sure the /mnt size is 10GB for app, 25GB for DB and 1GB for utility
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