What’s New In OpenStack Havana

Webcast October 2013

OpenStack Compute Nova

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Nova

Lifecycle

•  Boot from image/volume/snapshot

•  Clone from image/snapshot

•  Shelve instance

nova shelve <instance_id>

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Nova

Live migration

•  Only within a single cell

•  Requires shared storage nova live-migration <instance_id> <host_id>

Complete instructions at http://bit.ly/live-migration-openstack

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Nova

Quotas

•  Edit default quota

•  Set quotas per user, rather than per tenant/project

nova-manage project quota \

--project <project name> \

--user <user name> \

--key <key for the quota to set> \

--value <value> 8

Nova

Cells and availability zones

•  No longer chosen at random

•  Scheduled the same way hosts are

•  Uses scheduler_filter_classes and scheduler_weight_classes

•  Can specify ram_by_instance_type and weight_offset

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Nova

Docker

•  Create and package an application, then run in any Docker container

•  Implemented as both a hypervisor type and a container type for Glance

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Nova

VMware

•  Cinder support

•  Ability to control clone strategy

•  Manage multiple clusters from VMware vCenter

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Nova

KVM

•  QEMU guest agent (qemu-guest-agent) nova image-meta <image_id> set hw_qemu_guest_agent=yes

•  Cinder QoS and rate limiting

•  PCI passthrough (libvirt only)

•  New virtual interface (VIF) drivers (IO Visor,

Indigo Virtual Switch, Mellanox)

•  Store images as RBD, boot from Ceph. 12

Nova

Hyper-V

•  Support for Windows Server / Hyper-V Server

2012 R2

•  Drive resizing with VHDX

•  Memory oversubscription with dynamic memory

•  Ephemeral storage

•  Ceilometer integration

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Nova

XenServer

•  Get around VHD 2000GB limit by splitting large

ephemeral disks into 1024GB or 2000GB chunks

•  Logging of a server console

•  Ability to boot VMs into a state where they are

running a Linux distribution installer, to help

users build their own custom images

•  And much, much, much more 14

Nova

Storage

•  Encryption of Cinder volumes

•  Native GlusterFS support

•  iSER support for iSCSI over TCP when using RDMA

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