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essential_quick_start_data_analytics_systems [2021/04/28 14:08] brandonm [Software:] Punctuation and formatting fixes |
essential_quick_start_data_analytics_systems [2021/05/19 16:03] (current) brandonm [Worker Nodes:] Word fix |
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There is also a GUI tool for adding and deleting users. The GUI can be be found in the root '' | There is also a GUI tool for adding and deleting users. The GUI can be be found in the root '' | ||
< | < | ||
- | $AddUser -g | + | $ AddUser -g |
</ | </ | ||
See [[Adding Users|Adding Users]]. | See [[Adding Users|Adding Users]]. | ||
====The Case: ==== | ====The Case: ==== | ||
- | The case has two doors on both sides and a removable front bezel. The front bezel can be " | + | The case has two doors on both sides and a removable front bezel. The front bezel can be " |
====Login Node (Main Node): ==== | ====Login Node (Main Node): ==== | ||
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The worker nodes are on blades that are behind the bezel. Blades are removed by turning off the blade power (see below), removing the cables, unscrewing the captive bolts (top and bottom), and pulling the blade out using the captive bolts. The blade positions are unique (the same blade must always be placed in the same slot, due to DHCP booting (HPC systems) or the attached HDFS drives (Hadoop systems)). | The worker nodes are on blades that are behind the bezel. Blades are removed by turning off the blade power (see below), removing the cables, unscrewing the captive bolts (top and bottom), and pulling the blade out using the captive bolts. The blade positions are unique (the same blade must always be placed in the same slot, due to DHCP booting (HPC systems) or the attached HDFS drives (Hadoop systems)). | ||
- | Node names begin with " | + | Node names begin with " |
====Networking: | ====Networking: | ||
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====Adaptive Cooling and Filters: ==== | ====Adaptive Cooling and Filters: ==== | ||
- | The nodes have adaptive cooling. There are two intake fans underneath the worker nodes pushing air up into the nodes from underneath the case. The speed of the intake fans will increase or decrease depending on the node processor temperatures. Note that all intake locations on the case have magnetic dust filters (including the bottom of the case). In dusty environments, | + | The nodes have adaptive cooling. There are two intake fans underneath the worker nodes pushing air up into the nodes from underneath the case. The speed of the intake fans will increase or decrease depending on the node processor temperatures. Note that all intake locations on the case have magnetic dust filters (including the bottom of the case). In dusty environments, |
====Monitoring: | ====Monitoring: | ||
On Hadoop systems, the [[Using the Apache Ambari Cluster Manager|Apache Ambari Cluster Manager]] provides complete node (and Hadoop) monitoring. | On Hadoop systems, the [[Using the Apache Ambari Cluster Manager|Apache Ambari Cluster Manager]] provides complete node (and Hadoop) monitoring. | ||
- | In addition, there is also a command line utility called wwtop. This utility provides a real-time " | + | In addition, there is also a command line utility called wwtop. This utility provides a real-time " |
====Additional Information: | ====Additional Information: | ||
See the rest of this manual for additional topics and information. | See the rest of this manual for additional topics and information. |