mirror of
https://github.com/xcat2/xcat-core.git
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Refactor the overview section to create smaller
pages instead of one huge page
This commit is contained in:
Victor Hu
parent
74dbc15a11
commit
2e9a6a9855
38
docs/source/overview/architecture.rst
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38
docs/source/overview/architecture.rst
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@ -0,0 +1,38 @@
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Architecture
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============
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The following diagram shows the basic structure of xCAT:
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.. image:: Xcat-arch.png
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Mgmt Node (xCAT Management Node):
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The server which installed xCAT and is used to perform the system management for the whole cluster. Generally, the database is installed in this server to store the Definition of Compute Node; The network services like dhcpd, tftpd, httpd are enabled on this server for OS deployment.
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Service Node:
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An slave server of **Mgmt Node** to take over the system management work for part of nodes in the cluster. **Service Node** has all the functions of **Mgmt Node**, but generally it only works under **Mgmt Node**'s instruction.
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The **Service Node** is necessary only for large cluster that **Mgmt Node** cannot handle all the nodes because of the limitation of CPU, Memory or Network Bandwidth of **Mgmt Node**.
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Compute Node (Target Node):
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The target node or workload nodes in the cluster which are the targets servers of the xCAT to manage for customer.
|
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dhcpd, tftpd, httpd:
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The network services that are used to perform the OS deployment. xCAT handles these network services automatically, user does not need to configure the network services by themselves.
|
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SP (Service Processor):
|
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A hardware Module imbedded in the hardware server which is used to perform the out-of-band hardware control. e.g. the IMM or FSP
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Management network:
|
||||
It's used by the **Mgmt Node** or **Service Node** to install and manage the OS of the nodes. The MN and in-band NIC of the nodes are connected to this network. If you have a large cluster with service nodes, sometimes this network is segregated into separate VLANs for each service node. See TODO [Setting_Up_a_Linux_Hierarchical_Cluster] for details.
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Service network:
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It's used by the **Mgmt Node** or **Service Node** to control the nodes out of band via the SP. If the SPs are configured in shared mode (NIC of SP can be used to access both SP and server host), then this network can be combined with the management network.
|
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Application network:
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It's used by the applications on the **Compute Node** to communicate among each other. Usually it's an IB network.
|
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Site (Public) network:
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It's used to by user to access the management node and sometimes for the compute nodes to provide services to the site.
|
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Rest API:
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The rest api interface of xCAT which can be used by the third-party application to integrate with xCAT.
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36
docs/source/overview/differentiators.rst
Normal file
36
docs/source/overview/differentiators.rst
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@ -0,0 +1,36 @@
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Differentiators
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===============
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* xCAT Scales
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Beyond all IT budgets. 100,000s of nodes with distributed architecture.
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* Open Source
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Eclipse Public License. You can also buy support contracts.
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* Support Multiple OS
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RH, Sles, Ubuntu, Debian, CentOS, Fedora, Scientific Linux, Oracle Linux, Windows, Esxi, RHEV
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* Support Multiple Hardware
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IBM Power, IBM Power LE, x86_64
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* Support Multiple Virtulization
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IBM zVM, IBM PowerKVM, KVM, ESXI, XEN
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* Support Multiple Installation Options
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Diskful (Install to Hard Disk), Diskless (Run in memory), Cloning
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* Built in Automatic discovery
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No need to power on one machine at a time to discover. Also, nodes that fail can be replaced and back in action by just powering new one on.
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* Rest API
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Support Rest API for the third-party software to integrate.
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56
docs/source/overview/features.rst
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56
docs/source/overview/features.rst
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@ -0,0 +1,56 @@
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Features
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========
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#. Discover the hardware servers
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* Manually define
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* MTMS-based discovery
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* Switch-based discovery
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* Sequential-based discovery
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#. Execute remote system management against the discovered server
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* Remote power control
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* Remote console support
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* Remote inventory/vitals information query
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* Remote event log query
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#. Provision Operating Systems on physical (Bare-metal) or virtual machines
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* RHEL
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* SLES
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* Ubuntu
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* Debian
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* Fedora
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* CentOS
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* Scientific Linux
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* Oracle Linux
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* PowerKVM
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* Esxi
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* RHEV
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* Windows
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* AIX
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#. Provision machines in
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* Diskful (Scripted install, Clone)
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* Stateless
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#. Install and configure user applications
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* During OS install
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* After the OS install
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* HPC products - GPFS, Parallel Environment, LSF, compilers ...
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* Big Data - Hadoop, Symphony
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* Cloud - Openstack, Chef
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|
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#. Parallel system management
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* Parallel shell (Run shell command against nodes in parallel)
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* Parallel copy
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* Parallel ping
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|
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#. Integrate xCAT in Cloud
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* Openstack
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* SoftLayer
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@ -3,239 +3,15 @@ Overview
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xCAT enables you to easily manage large number of servers for any type of technical computing workload.
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xCAT is known for exceptional scaling, wide variety of supported hardware, operating systems, and virtualization platforms. And complete day0 setup capabilities.
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xCAT is known for exceptional scaling, wide variety of supported hardware and operating systems, virtualization platforms, and complete "day0" setup capabilities.
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xCAT Differentiators
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--------------------
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.. toctree::
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:maxdepth: 1
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* xCAT Scales
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|
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Beyond all IT budgets. 100,000s of nodes with distributed architecture.
|
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|
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* Open Source
|
||||
|
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Eclipse Public License. You can also buy support contracts.
|
||||
|
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* Support Multiple OS
|
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|
||||
RH, Sles, Ubuntu, Debian, CentOS, Fedora, Scientific Linux, Oracle Linux, Windows, Esxi, RHEV
|
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|
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* Support Multiple Hardware
|
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|
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IBM Power, IBM Power LE, x86_64
|
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|
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* Support Multiple Virtulization
|
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|
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IBM zVM, IBM PowerKVM, KVM, ESXI, XEN
|
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|
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* Support Multiple Installation Options
|
||||
|
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Diskful (Install to Hard Disk), Diskless (Run in memory), Cloning
|
||||
|
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* Built in Automatic discovery
|
||||
|
||||
No need to power on one machine at a time to discover. Also, nodes that fail can be replaced and back in action by just powering new one on.
|
||||
|
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* Rest API
|
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|
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Support Rest API for the third-party software to integrate.
|
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|
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Features
|
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--------
|
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|
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#. Discover the hardware servers
|
||||
|
||||
* Manually define
|
||||
* MTMS-based discovery
|
||||
* Switch-based discovery
|
||||
* Sequential-based discovery
|
||||
|
||||
#. Execute remote system management against the discovered server
|
||||
|
||||
* Remote power control
|
||||
* Remote console support
|
||||
* Remote inventory/vitals information query
|
||||
* Remote event log query
|
||||
|
||||
#. Provision Operating Systems on physical (Bare-metal) or virtual machines
|
||||
|
||||
* RHEL
|
||||
* SLES
|
||||
* Ubuntu
|
||||
* Debian
|
||||
* Fedora
|
||||
* CentOS
|
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* Scientific Linux
|
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* Oracle Linux
|
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* PowerKVM
|
||||
* Esxi
|
||||
* RHEV
|
||||
* Windows
|
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* AIX
|
||||
|
||||
#. Provision machines in
|
||||
|
||||
* Diskful (Scripted install, Clone)
|
||||
* Stateless
|
||||
|
||||
#. Install and configure user applications
|
||||
|
||||
* During OS install
|
||||
* After the OS install
|
||||
* HPC products - GPFS, Parallel Environment, LSF, compilers ...
|
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* Big Data - Hadoop, Symphony
|
||||
* Cloud - Openstack, Chef
|
||||
|
||||
#. Parallel system management
|
||||
|
||||
* Parallel shell (Run shell command against nodes in parallel)
|
||||
* Parallel copy
|
||||
* Parallel ping
|
||||
|
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#. Integrate xCAT in Cloud
|
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* Openstack
|
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* SoftLayer
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|
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Matrix of Supported OS and Hardware
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-----------------------------------
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+-------+-------+-------+-----+-------+--------+--------+--------+
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| | Power | Power | zVM | Power | x86_64 | x86_64 | x86_64 |
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| | | LE | | KVM | | KVM | Esxi |
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+=======+=======+=======+=====+=======+========+========+========+
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|RHEL | yes | yes | yes | yes | yes | yes | yes |
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| | | | | | | | |
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+-------+-------+-------+-----+-------+--------+--------+--------+
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|SLES | yes | yes | yes | yes | yes | yes | yes |
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| | | | | | | | |
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+-------+-------+-------+-----+-------+--------+--------+--------+
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|Ubuntu | no | yes | no | yes | yes | yes | yes |
|
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| | | | | | | | |
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+-------+-------+-------+-----+-------+--------+--------+--------+
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|CentOS | no | no | no | no | yes | yes | yes |
|
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| | | | | | | | |
|
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+-------+-------+-------+-----+-------+--------+--------+--------+
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|AIX | yes | no | no | no | no | no | no |
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| | | | | | | | |
|
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+-------+-------+-------+-----+-------+--------+--------+--------+
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|Windows| no | no | no | no | yes | yes | yes |
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| | | | | | | | |
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+-------+-------+-------+-----+-------+--------+--------+--------+
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|
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xCAT Architecture
|
||||
-----------------
|
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|
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The following diagram shows the basic structure of xCAT:
|
||||
|
||||
.. image:: Xcat-arch.png
|
||||
|
||||
Mgmt Node (xCAT Management Node):
|
||||
The server which installed xCAT and is used to perform the system management for the whole cluster. Generally, the database is installed in this server to store the Definition of Compute Node; The network services like dhcpd, tftpd, httpd are enabled on this server for OS deployment.
|
||||
|
||||
Service Node:
|
||||
An slave server of **Mgmt Node** to take over the system management work for part of nodes in the cluster. **Service Node** has all the functions of **Mgmt Node**, but generally it only works under **Mgmt Node**'s instruction.
|
||||
|
||||
The **Service Node** is necessary only for large cluster that **Mgmt Node** cannot handle all the nodes because of the limitation of CPU, Memory or Network Bandwidth of **Mgmt Node**.
|
||||
|
||||
Compute Node (Target Node):
|
||||
The target node or workload nodes in the cluster which are the targets servers of the xCAT to manage for customer.
|
||||
|
||||
dhcpd, tftpd, httpd:
|
||||
The network services that are used to perform the OS deployment. xCAT handles these network services automatically, user does not need to configure the network services by themselves.
|
||||
|
||||
SP (Service Processor):
|
||||
A hardware Module imbedded in the hardware server which is used to perform the out-of-band hardware control. e.g. the IMM or FSP
|
||||
|
||||
Management network:
|
||||
It's used by the **Mgmt Node** or **Service Node** to install and manage the OS of the nodes. The MN and in-band NIC of the nodes are connected to this network. If you have a large cluster with service nodes, sometimes this network is segregated into separate VLANs for each service node. See TODO [Setting_Up_a_Linux_Hierarchical_Cluster] for details.
|
||||
|
||||
Service network:
|
||||
It's used by the **Mgmt Node** or **Service Node** to control the nodes out of band via the SP. If the SPs are configured in shared mode (NIC of SP can be used to access both SP and server host), then this network can be combined with the management network.
|
||||
|
||||
Application network:
|
||||
It's used by the applications on the **Compute Node** to communicate among each other. Usually it's an IB network.
|
||||
|
||||
Site (Public) network:
|
||||
It's used to by user to access the management node and sometimes for the compute nodes to provide services to the site.
|
||||
|
||||
Rest API:
|
||||
The rest api interface of xCAT which can be used by the third-party application to integrate with xCAT.
|
||||
|
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Brief Steps to Set Up an xCAT Cluster
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-------------------------------------
|
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|
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If xCAT looks suitable for your requirement, following steps are recommended procedure to set up an xCAT cluster.
|
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|
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#. Find a server as your xCAT management node
|
||||
|
||||
The server can be a bare-metal server or a virtual machine. The major factor to select a server is the machine number of your cluster. The bigger the cluster is, the performance of server need to be better.
|
||||
|
||||
``NOTE``: The architecture of xCAT management node is recommended to be same with the target compute node in the cluster.
|
||||
|
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#. Install xCAT on your selected server
|
||||
|
||||
The server which installed xCAT will be the **xCAT Management Node**.
|
||||
|
||||
Refer to the doc: :doc:`xCAT Install Guide <../guides/install-guides/index>` to learn how to install xCAT on a server.
|
||||
|
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#. Start to use xCAT management node
|
||||
|
||||
Refer to the doc: :doc:`xCAT Admin Guide <../guides/admin-guides/index>`.
|
||||
|
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#. Discover target nodes in the cluster
|
||||
|
||||
You have to define the target nodes to the xCAT database before managing them.
|
||||
|
||||
For a small cluster (less than 5), you can collect the information of target nodes one by one and then define them manually through ``mkdef`` command.
|
||||
|
||||
For a bigger cluster, you can use the automatic method to discover the target nodes. The discovered nodes will be defined to xCAT database. You can use ``lsdef`` to display them.
|
||||
|
||||
Refer to the doc: :doc:`xCAT discovery Guide <../guides/admin-guides/manage_clusters/ppc64le/discovery/index>` to learn how to discover and define compute nodes.
|
||||
|
||||
#. Try to perform the hardware control against the target nodes
|
||||
|
||||
Now you have the node definition. Take a try to confirm the hardware control for defined nodes is working. e.g. ``rpower <node> stat``.
|
||||
|
||||
Refer to the doc: :doc:`Hardware Management <../guides/admin-guides/manage_clusters/ppc64le/management/index>` to learn how to perform the remote hardware control.
|
||||
|
||||
#. Deploy OS for the target nodes
|
||||
|
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* Prepare the OS images
|
||||
* Customize the OS images (Optional)
|
||||
* Perform the OS deployment
|
||||
|
||||
Refer to the doc: :doc:`Diskful Install <../guides/admin-guides/manage_clusters/ppc64le/diskful/index>`, :doc:`Diskless Install <../guides/admin-guides/manage_clusters/ppc64le/diskless/index>` to learn how to deploy OS for a target node.
|
||||
|
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#. Update the OS after the deployment
|
||||
|
||||
You may require to update the OS of certain target nodes after the OS deployment, try the ``updatenode`` command. ``updatenode`` command can execute the following tasks for target nodes:
|
||||
|
||||
* Install additional software/application for the target nodes
|
||||
* Sync some files to the target nodes
|
||||
* Run some postscript for the target nodes
|
||||
|
||||
Refer to the doc: :doc:`Updatenode <../guides/admin-guides/manage_clusters/ppc64le/updatenode>` to learn how to use ``updatenode`` command.
|
||||
|
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#. Run parallel commands
|
||||
|
||||
When you manage a cluster which has hundreds or thousands of nodes, you always need to do something for a bunch of nodes in parallel. xCAT has some parallel commands can help you on these task.
|
||||
|
||||
* Parallel shell
|
||||
* Parallel copy
|
||||
* parallel ping
|
||||
|
||||
Refer to the doc: :doc:`Parallel Commands <../guides/admin-guides/manage_clusters/ppc64le/parallel_cmd>` to learn how to use parallel commands.
|
||||
|
||||
#. Contribute to xCAT (Optional)
|
||||
|
||||
During your using of xCAT, if you find something (code, document ...) that can be improved and you want to contribute that to xCAT, please do that for the behalf of yours and other xCAT user's. And welcome to xCAT community!
|
||||
|
||||
Refer to the doc: :doc:`Developer Guide <../developers/index>` to learn how to contribute to xCAT community.
|
||||
|
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xCAT2 Release Information
|
||||
-------------------------
|
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|
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The following documents the releases information of xCAT and describes the supported os, hardware and features sets in each version of xCAT.
|
||||
|
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:doc:`New supported OS, Hardware and Features in xCAT2 Releases <xcat2_release>`
|
||||
differentiators.rst
|
||||
features.rst
|
||||
support_matrix.rst
|
||||
architecture.rst
|
||||
quick_start.rst
|
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xcat2_release.rst
|
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|
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|
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71
docs/source/overview/quick_start.rst
Normal file
71
docs/source/overview/quick_start.rst
Normal file
@ -0,0 +1,71 @@
|
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Quick Start Guide
|
||||
=================
|
||||
|
||||
If xCAT looks suitable for your requirement, following steps are recommended procedure to set up an xCAT cluster.
|
||||
|
||||
#. Find a server as your xCAT management node
|
||||
|
||||
The server can be a bare-metal server or a virtual machine. The major factor to select a server is the machine number of your cluster. The bigger the cluster is, the performance of server need to be better.
|
||||
|
||||
``NOTE``: The architecture of xCAT management node is recommended to be same with the target compute node in the cluster.
|
||||
|
||||
#. Install xCAT on your selected server
|
||||
|
||||
The server which installed xCAT will be the **xCAT Management Node**.
|
||||
|
||||
Refer to the doc: :doc:`xCAT Install Guide <../guides/install-guides/index>` to learn how to install xCAT on a server.
|
||||
|
||||
#. Start to use xCAT management node
|
||||
|
||||
Refer to the doc: :doc:`xCAT Admin Guide <../guides/admin-guides/index>`.
|
||||
|
||||
#. Discover target nodes in the cluster
|
||||
|
||||
You have to define the target nodes to the xCAT database before managing them.
|
||||
|
||||
For a small cluster (less than 5), you can collect the information of target nodes one by one and then define them manually through ``mkdef`` command.
|
||||
|
||||
For a bigger cluster, you can use the automatic method to discover the target nodes. The discovered nodes will be defined to xCAT database. You can use ``lsdef`` to display them.
|
||||
|
||||
Refer to the doc: :doc:`xCAT discovery Guide <../guides/admin-guides/manage_clusters/ppc64le/discovery/index>` to learn how to discover and define compute nodes.
|
||||
|
||||
#. Try to perform the hardware control against the target nodes
|
||||
|
||||
Now you have the node definition. Take a try to confirm the hardware control for defined nodes is working. e.g. ``rpower <node> stat``.
|
||||
|
||||
Refer to the doc: :doc:`Hardware Management <../guides/admin-guides/manage_clusters/ppc64le/management/index>` to learn how to perform the remote hardware control.
|
||||
|
||||
#. Deploy OS for the target nodes
|
||||
|
||||
* Prepare the OS images
|
||||
* Customize the OS images (Optional)
|
||||
* Perform the OS deployment
|
||||
|
||||
Refer to the doc: :doc:`Diskful Install <../guides/admin-guides/manage_clusters/ppc64le/diskful/index>`, :doc:`Diskless Install <../guides/admin-guides/manage_clusters/ppc64le/diskless/index>` to learn how to deploy OS for a target node.
|
||||
|
||||
#. Update the OS after the deployment
|
||||
|
||||
You may require to update the OS of certain target nodes after the OS deployment, try the ``updatenode`` command. ``updatenode`` command can execute the following tasks for target nodes:
|
||||
|
||||
* Install additional software/application for the target nodes
|
||||
* Sync some files to the target nodes
|
||||
* Run some postscript for the target nodes
|
||||
|
||||
Refer to the doc: :doc:`Updatenode <../guides/admin-guides/manage_clusters/ppc64le/updatenode>` to learn how to use ``updatenode`` command.
|
||||
|
||||
#. Run parallel commands
|
||||
|
||||
When you manage a cluster which has hundreds or thousands of nodes, you always need to do something for a bunch of nodes in parallel. xCAT has some parallel commands can help you on these task.
|
||||
|
||||
* Parallel shell
|
||||
* Parallel copy
|
||||
* parallel ping
|
||||
|
||||
Refer to the :doc:`/guides/admin-guides/manage_clusters/ppc64le/parallel_cmd` to learn how to use parallel commands.
|
||||
|
||||
#. Contribute to xCAT (Optional)
|
||||
|
||||
During your using of xCAT, if you find something (code, document ...) that can be improved and you want to contribute that to xCAT, please do that for the behalf of yours and other xCAT user's. And welcome to xCAT community!
|
||||
|
||||
Refer to the :doc:`/developers/index` to learn how to contribute to xCAT community.
|
||||
|
||||
25
docs/source/overview/support_matrix.rst
Normal file
25
docs/source/overview/support_matrix.rst
Normal file
@ -0,0 +1,25 @@
|
||||
Operating System & Hardware Support Matrix
|
||||
==========================================
|
||||
|
||||
+-------+-------+-------+-----+-------+--------+--------+--------+
|
||||
| | Power | Power | zVM | Power | x86_64 | x86_64 | x86_64 |
|
||||
| | | LE | | KVM | | KVM | Esxi |
|
||||
+=======+=======+=======+=====+=======+========+========+========+
|
||||
|RHEL | yes | yes | yes | yes | yes | yes | yes |
|
||||
| | | | | | | | |
|
||||
+-------+-------+-------+-----+-------+--------+--------+--------+
|
||||
|SLES | yes | yes | yes | yes | yes | yes | yes |
|
||||
| | | | | | | | |
|
||||
+-------+-------+-------+-----+-------+--------+--------+--------+
|
||||
|Ubuntu | no | yes | no | yes | yes | yes | yes |
|
||||
| | | | | | | | |
|
||||
+-------+-------+-------+-----+-------+--------+--------+--------+
|
||||
|CentOS | no | no | no | no | yes | yes | yes |
|
||||
| | | | | | | | |
|
||||
+-------+-------+-------+-----+-------+--------+--------+--------+
|
||||
|AIX | yes | no | no | no | no | no | no |
|
||||
| | | | | | | | |
|
||||
+-------+-------+-------+-----+-------+--------+--------+--------+
|
||||
|Windows| no | no | no | no | yes | yes | yes |
|
||||
| | | | | | | | |
|
||||
+-------+-------+-------+-----+-------+--------+--------+--------+
|
||||
@ -1,11 +1,14 @@
|
||||
xCAT2 Release Information
|
||||
=========================
|
||||
|
||||
The following table is a summary of the New Operating System, New Hardware and New features that are supported in certain xCAT release.
|
||||
|
||||
The New OS and New Hardware which listed in the table have been fully tested. The OS which comes with the same source code or Hardware comes with the same CPU should also work, but you need to try it by yourself.
|
||||
|
||||
For a complete list of new functions, bug fixes, restrictions, and known problems, refer to the individual release notes.
|
||||
|
||||
xCAT 2.10 Releases
|
||||
==================
|
||||
xCAT 2.10.x
|
||||
-----------
|
||||
|
||||
+------------------------------+---------------+-------------+----------------------------------+
|
||||
|xCAT |New OS |New |New Feature |
|
||||
@ -27,8 +30,8 @@ xCAT 2.10 Releases
|
||||
| | | |- nodeset only accecpt osimage= |
|
||||
+------------------------------+---------------+-------------+----------------------------------+
|
||||
|
||||
xCAT 2.9 Releases
|
||||
=================
|
||||
xCAT 2.9.x
|
||||
----------
|
||||
|
||||
+------------------------------+---------------+-------------+----------------------------------+
|
||||
|xCAT |New OS |New |New Feature |
|
||||
@ -58,8 +61,8 @@ xCAT 2.9 Releases
|
||||
| | | | |
|
||||
+------------------------------+---------------+-------------+----------------------------------+
|
||||
|
||||
xCAT 2.8 Releases
|
||||
=================
|
||||
xCAT 2.8.x
|
||||
----------
|
||||
|
||||
+------------------------------+---------------+-------------+----------------------------------+
|
||||
|xCAT |New OS |New |New Feature |
|
||||
@ -110,8 +113,8 @@ xCAT 2.8 Releases
|
||||
| | | |- updatenode enhancements |
|
||||
+------------------------------+---------------+-------------+----------------------------------+
|
||||
|
||||
xCAT 2.7 Releases
|
||||
=================
|
||||
xCAT 2.7.x
|
||||
----------
|
||||
|
||||
+------------------------------+---------------+-------------+----------------------------------+
|
||||
|xCAT |New OS |New |New Feature |
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user