Red Hat NETWORK 4.0.5 - Instalační příručka Strana 20

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Support for PCI passthrough has been added to Compute, exposing a
host's physical PCI devices directly to an instance. Consequently,
instances can be given access to a host's physical PCI devices.
BZ #9 78519
Volumes attached to a specific instance can now be listed using
the new API extension 'os-extended-volumes'. Previously, all
volumes had to be iterated to identify those attached to a
specific instance. The new extension provides all attached volumes
together with the instance details.
BZ #9 78522
Feature:
Users may now stop servers they are not currently using but still
retain them in their list of servers. This is referred to as
shelving. A shelved server can be restarted using its same data,
configuration, and identity at a point in the future. While a
server is shelved, hypervisors are able to reclaim the resources
that were used by that server and use it for running other servers
if needed.
Reason:
Users would like the ability to stop servers when they do not need
them, but retain it in their list of servers and retain all data
and resources associated with it. If an instance is stopped for an
extended period of time, an operator may wish to move that
instance off of the hypervisor in order to minimize resource
usage.
BZ #9 78532
Quota usage for specific tenants is now available to
administrators through the API extension os-used-limits-for-admin.
The Compute client recognises the new syntax:
nova absolute-limits --tenant <tenant id>
BZ #9 78537
Default quotas can now be defined from the command line and
dashboard. The new defaults are stored in the database under the
class 'default', and will override any defaults specified in
nova.conf.
A nova restart is not required when the defaults are defined with
the nova client:
nova client nova quota-class-update default <key> <value>
BZ #9 78538
Quotas can now be applied to a user within a tenant. The Compute
client recognises new syntax for creating, updating, and
Red Hat Ent erprise Linux O penSt ack Plat form 4 Release Not es
16
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