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doc: Improve CloudStack RBD documentation

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Wido den Hollander 2014-03-04 22:24:36 +01:00
parent 1684f1dba4
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1 changed files with 11 additions and 10 deletions
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doc/rbd/rbd-cloudstack.rst
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@ -42,6 +42,10 @@ setup for CloudStack Primary Storage.
.. note:: We recommend installing with Ubuntu 13.04 or later so that
you can use package installation instead of having to compile
libvirt from source.
.. note:: Make sure the /tmp partition on your hypervisors is at least 25GB.
When deploying from a template from the first time /tmp will be used for
converting the template from QCOW2 to RAW for storage on RBD.
Installing and configuring QEMU for use with CloudStack doesn't require any
special handling. Ensure that you have a running Ceph Storage Cluster. Install
@ -88,8 +92,7 @@ Use the information returned by the command in the next step when adding the Pri
Add Primary Storage
===================
To add primary storage, refer to `Add Primary Storage (4.0.0)`_ or
`Add Primary Storage (4.0.1)`_. To add a Ceph block device, the steps
To add primary storage, refer to `Add Primary Storage (4.2.0)`_ to add a Ceph block device, the steps
include:
#. Log in to the CloudStack UI.
@ -108,9 +111,9 @@ include:
Create a Disk Offering
======================
To create a new disk offering, refer to `Create a New Disk Offering (4.0.0)`_ or
`Create a New Disk Offering (4.0.1)`_. Create a disk offering so that it
matches the ``rbd`` tag. The ``StoragePoolAllocator`` will choose the ``rbd``
To create a new disk offering, refer to `Create a New Disk Offering (4.2.0)`_.
Create a disk offering so that it matches the ``rbd`` tag.
The ``StoragePoolAllocator`` will choose the ``rbd``
pool when searching for a suitable storage pool. If the disk offering doesn't
match the ``rbd`` tag, the ``StoragePoolAllocator`` may select the pool you
created (e.g., ``cloudstack``).
@ -128,8 +131,6 @@ Limitations
.. _Placement Groups: ../../rados/operations/placement-groups
.. _Install and Configure QEMU: ../qemu-rbd
.. _Install and Configure libvirt: ../libvirt
.. _KVM Hypervisor Host Installation: http://cloudstack.apache.org/docs/en-US/Apache_CloudStack/4.0.0-incubating/html/Installation_Guide/hypervisor-kvm-install-flow.html
.. _Add Primary Storage (4.0.0): http://cloudstack.apache.org/docs/en-US/Apache_CloudStack/4.0.0-incubating/html/Admin_Guide/primary-storage-add.html
.. _Add Primary Storage (4.0.1): http://cloudstack.apache.org/docs/en-US/Apache_CloudStack/4.0.1-incubating/html/Admin_Guide/primary-storage-add.html
.. _Create a New Disk Offering (4.0.0): http://cloudstack.apache.org/docs/en-US/Apache_CloudStack/4.0.0-incubating/html/Admin_Guide/compute-disk-service-offerings.html#creating-disk-offerings
.. _Create a New Disk Offering (4.0.1): http://cloudstack.apache.org/docs/en-US/Apache_CloudStack/4.0.1-incubating/html/Admin_Guide/compute-disk-service-offerings.html#creating-disk-offerings
.. _KVM Hypervisor Host Installation: http://cloudstack.apache.org/docs/en-US/Apache_CloudStack/4.2.0/html/Installation_Guide/hypervisor-kvm-install-flow.html
.. _Add Primary Storage (4.2.0): http://cloudstack.apache.org/docs/en-US/Apache_CloudStack/4.2.0/html/Admin_Guide/primary-storage-add.html
.. _Create a New Disk Offering (4.2.0): http://cloudstack.apache.org/docs/en-US/Apache_CloudStack/4.2.0/html/Admin_Guide/compute-disk-service-offerings.html#creating-disk-offerings