diff --git a/doc/admin-guide-cloud/source/compute-flavors.rst b/doc/admin-guide-cloud/source/compute-flavors.rst index 2fbccbf77c..a067b4a042 100644 --- a/doc/admin-guide-cloud/source/compute-flavors.rst +++ b/doc/admin-guide-cloud/source/compute-flavors.rst @@ -184,8 +184,8 @@ Bandwidth I/O burst at peak speed (kilobytes). The rate is shared equally within domains connected to the network. - Below example sets network traffic bandwidth limits for existing - flavor as follow: + The example below sets network traffic bandwidth limits for existing + flavor as follows: - Outbound traffic: diff --git a/doc/admin-guide-cloud/source/compute-images-instances.rst b/doc/admin-guide-cloud/source/compute-images-instances.rst index 445ac398e1..63b13d9527 100644 --- a/doc/admin-guide-cloud/source/compute-images-instances.rst +++ b/doc/admin-guide-cloud/source/compute-images-instances.rst @@ -67,11 +67,11 @@ images, as less data needs to be copied across the network. A new empty ephemeral disk is also created, labeled ``vdb`` in this diagram. This disk is destroyed when you delete the instance. -The compute node connects to the attached ``cinder-volume`` using ISCSI. The +The compute node connects to the attached ``cinder-volume`` using iSCSI. The ``cinder-volume`` is mapped to the third disk, labeled ``vdc`` in this diagram. After the compute node provisions the vCPU and memory resources, the instance boots up from root volume ``vda``. The instance -runs, and changes data on the disks (highlighted in red on the diagram). +runs and changes data on the disks (highlighted in red on the diagram). If the volume store is located on a separate network, the ``my_block_storage_ip`` option specified in the storage node configuration file directs image traffic to the compute node. diff --git a/doc/admin-guide-cloud/source/compute-networking-nova.rst b/doc/admin-guide-cloud/source/compute-networking-nova.rst index baddd48ca6..f298301157 100644 --- a/doc/admin-guide-cloud/source/compute-networking-nova.rst +++ b/doc/admin-guide-cloud/source/compute-networking-nova.rst @@ -63,7 +63,7 @@ Flat DHCP Network Manager bridge into an Ethernet device (``flat_interface``, eth0 by default). For every instance, Compute allocates a fixed IP address and configures dnsmasq with the MAC ID and IP address for the VM. - dnsmasq does not take part in the IP address allocation process, it + Dnsmasq does not take part in the IP address allocation process, it only hands out IPs according to the mapping done by Compute. Instances receive their fixed IPs with the :command:`dhcpdiscover` command. These IPs are not assigned to any of the host's network interfaces, @@ -199,7 +199,7 @@ Reference `__, and `the dnsmasq documentation `__. -dnsmasq also acts as a caching DNS server for instances. You can specify +Dnsmasq also acts as a caching DNS server for instances. You can specify the DNS server that dnsmasq uses by setting the ``dns_server`` configuration option in :file:`/etc/nova/nova.conf`. This example configures dnsmasq to use Google's public DNS server: @@ -208,7 +208,7 @@ dnsmasq to use Google's public DNS server: dns_server=8.8.8.8 -dnsmasq logs to syslog (typically :file:`/var/log/syslog` or +Dnsmasq logs to syslog (typically :file:`/var/log/syslog` or :file:`/var/log/messages`, depending on Linux distribution). Logs can be useful for troubleshooting, especially in a situation where VM instances boot successfully but are not reachable over the network. @@ -230,7 +230,7 @@ Configure Compute to use IPv6 addresses If you are using OpenStack Compute with ``nova-network``, you can put Compute into dual-stack mode, so that it uses both IPv4 and IPv6 addresses for communication. In dual-stack mode, instances can acquire -their IPv6 global unicast address by using a stateless address +their IPv6 global unicast addresses by using a stateless address auto-configuration mechanism [RFC 4862/2462]. IPv4/IPv6 dual-stack mode works with both ``VlanManager`` and ``FlatDHCPManager`` networking modes. @@ -296,7 +296,7 @@ command: - When you use ``VlanManager``, the command increments the subnet ID to create subnet prefixes. Guest VMs use this prefix to generate - their IPv6 global unicast address. For example: + their IPv6 global unicast addresses. For example: .. code:: console @@ -476,7 +476,7 @@ instance-specific metadata. If you are running the nova-api service, you must have ``metadata`` as one of the elements listed in the ``enabled_apis`` configuration option in :file:`/etc/nova/nova.conf`. The default ``enabled_apis`` configuration setting includes the metadata -service, so you should not need to modify it. +service, so you do not need to modify it. Hosts access the service at ``169.254.169.254:80``, and this is translated to ``metadata_host:metadata_port`` by an iptables rule