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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.

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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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