Part of the "What's New in Havana" webinar, these slides explain what's new in Nova in the Havana release.

1. What’s New In
OpenStack
Havana
Webcast
October 2013

2. OpenStack Compute
Nova
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3. Nova
Lifecycle
• Boot from image/volume/snapshot
• Clone from image/snapshot
• Shelve instance
nova shelve <instance_id>
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4. 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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5. 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>
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6. 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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7. 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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8. Nova
VMware
• Cinder support
• Ability to control clone strategy
• Manage multiple clusters from VMware vCenter
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9. 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.
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10. 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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11. 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
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12. Nova
Storage
• Encryption of Cinder volumes
• Native GlusterFS support
• iSER support for iSCSI over TCP when using
RDMA
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