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This is a wiki home for high-performance computing at the NRAO. The area is still undergoing organizational changes but content in the Categories section is either actively maintained or will exist in coming months.


Older Areas

The following areas are not under active development but may still have useful information.

Recently changed topics across the HPC web

Listing the twelve most recent changes...

Web Topic Summary Date - UserSorted descending
HPC UsnoDifxOsPatchChecklistItemState WARNING! THIS TOPIC IS GENERATED BY System.ChecklistPlugin PLUGIN. DO NOT EDIT THIS TOPIC (except table data)! Back to the checklist topic UsnoDifxOsPatch. *cont... 2020-07-07 - 18:47 - MarkWainright
HPC UsnoDifxOsPatch2ChecklistItemState WARNING! THIS TOPIC IS GENERATED BY System.ChecklistPlugin PLUGIN. DO NOT EDIT THIS TOPIC (except table data)! Back to the checklist topic UsnoDifxOsPatch2. *con... 2020-06-24 - 11:53 - JimJacobs
HPC UsnoDifxOsPatch2 Neo Correlator Patching The patch process for the Neo correlator (installed at USNO on November 2019) is outlined below. A set of "checkboxes" is provided to assi... 2020-06-23 - 16:32 - JimJacobs
HPC UsnoDifxS1pS1tLink2 The file ~/.ssh/jjacobs s1t.config This is an instance of a user specific file to create the linkage from server 1p to server 1t. It currently hops to usno serv 1... 2020-06-17 - 18:00 - JimJacobs
HPC UsnoDifxInfiniband2 Infiniband Switches Overview The correlators use Infiniband (IB) network connections to pass data between the correlator nodes (SWCs) and also with the file serv... 2020-05-15 - 15:56 - JimJacobs
HPC UsnoDifxGbitSwitch2 Gigabit Switches Overview All hosts and devices making up the correlator are connected to the 1G Ethernet admin subnet (10.1.36) which will allow the admin serve... 2020-05-15 - 15:55 - JimJacobs
HPC UsnoDifxInfinibandSoftwareInfo2 Mellanox (Infiniband) Switch Software information * Collected 5/15/20 by Jim Jacobs data m6036 1 standalone: master show version Product name: MLNX OS... 2020-05-15 - 15:53 - JimJacobs
HPC UsnoDifxAdminSwitchSoftwareInfo Cisco Catalyst 9200L Software Information * Collected 5/15/20 by Jim Jacobs admin c9200 1#show version Cisco IOS XE Software, Version 16.09.02 Cisco IOS Softwa... 2020-05-15 - 15:38 - JimJacobs
HPC UsnoNodeBootMechanism2 Main.JimJacobs 2020 03 27 2020-03-27 - 18:29 - JimJacobs
HPC UsnoDifxLogging2 Logging Rsyslog Server 1 runs rsyslogd via the systemd rsyslog.service; the main configuration for the rsyslod is /etc/rsyslog.conf. In addtion, server 1 provide... 2020-02-25 - 18:44 - JimJacobs
HPC UsnoDifxServerDiskLayout2 Disk Layout Server Disk Partitioning The disk layout is shown below as displayed using lsblk. The two disks are partitioned somewhat in parallel although the fir... 2020-02-25 - 13:01 - JimJacobs
HPC UsnoDifxEnvSensor2 Environment Monitor The environment monitor is positioned to read the temperature and humidity via a sensor mounted above the rack containing the correlator nodes... 2020-02-18 - 16:31 - JimJacobs

More extensive change lists are available via the WebChanges topic.

HPC Web Utilities

Topic revision: r23 - 2018-10-16, MikeHatz
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