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ephemeral_lvm (18) Versions 1.0.11

Configures available ephemeral devices on a cloud server

Berkshelf/Librarian
Policyfile
Knife
cookbook 'ephemeral_lvm', '= 1.0.11'
cookbook 'ephemeral_lvm', '= 1.0.11', :supermarket
knife cookbook site install ephemeral_lvm
knife cookbook site download ephemeral_lvm
README
Dependencies
Changelog
Quality

ephemeral_lvm cookbook

Cookbook Release Build Status

This cookbook will identify the ephemeral devices available on the instance based on Ohai data. If no ephemeral devices are found, it will gracefully exit with a log message. If ephemeral devices are found, they will be setup to use LVM and a logical volume will be created, formatted, and mounted. If multiple ephemeral devices are found (e.g. m1.large on EC2 has 2 ephemeral devices with 420 GB each), they will be striped to create the LVM.

Github Repository: https://github.com/rightscale-cookbooks/ephemeral_lvm

Requirements

  • Chef 11 or higher
  • A cloud that supports ephemeral devices. Currently supported clouds: EC2, Openstack, and Google.
  • Cookbook requirements
  • Platforms
    • Ubuntu 12.04
    • CentOS 6

Usage

Place the ephemeral_lvm::default in the runlist and the ephemeral devices will be setup.

Attributes

  • node['ephemeral_lvm']['filesystem'] - the filesystem to be used on the ephemeral volume. Default: 'ext4'
  • node['ephemeral_lvm']['mount_point'] - the mount point for the ephemeral volume. Default: '/mnt/ephemeral'
  • node['ephemeral_lvm']['volume_group_name'] - the volume group name for the ephemeral LVM. Default: 'vg-data'
  • node['ephemeral_lvm']['logical_volume_size'] - the size to be used for the ephemeral LVM. Default: '100%VG' - This will use all available space in the volume group.
  • node['ephemeral_lvm']['logical_volume_name'] - the name of the logical volume for ephemeral LVM. Default: 'ephemeral0'
  • node['ephemeral_lvm']['stripe_size'] - the stripe size to be used for the ephemeral logical volume. Default: 512

Recipes

default

This recipe sets up available ephemeral devices to be an LVM device, formats it, and mounts it.

Author

Author:: RightScale, Inc. (cookbooks@rightscale.com)

Dependent cookbooks

lvm ~> 1.3.6

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

ephemeral_lvm Cookbook CHANGELOG

This file is used to list changes made in each version of the ephemeral_lvm cookbook.

v1.0.11

v1.0.10

v1.0.9

  • Run 'wipefs' on each ephemeral disk erasing any filesystem signatures, avoiding user interaction during lvm commands.

v1.0.8

  • Add testing for support of Ubuntu 14.04, CentOS 7.0, and RedHat Enterprise Linux 7.0.

v1.0.7

  • Set the fs_passno field to 0 in /etc/fstab to inform fsck that the filesystem used by the ephemeral volumes should not be checked after stop/start.

v1.0.6

  • #19: Do not automatically mount the ephemeral LVM since ephemeral volumes are actually ephemeral and will not come back after stop/start.

v1.0.5

  • Changed a misleading error message where no ephemeral disks were found.
  • Update lvm cookbook dependency to 1.1.x.

v1.0.4

  • Pull Request #13: Fixed a bug where fix_device_mapping was returning the output of Chef::Log.warn instead of nil if it could not find the ephemeral device (@autrejacoupa)

v1.0.3

  • Pull Request #9: Debian is now added as a supported platform (@drywheat)
  • Make sure cloud specific node area is available before accessing it
  • Pull Request #11: Added support for all EC2 instance types (@drywheat)

v1.0.2

  • Updated README

v1.0.1

  • Pull Request #3: Fixed a bug where log resource was used inline in a library (@juliandunn)

v1.0.0

  • Initial release

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