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50 recent changes in HPC Web retrieved at 19:49 (Local)
UsnoDifxNotes2
To Do $ Install DiFX on diskless: (5/22) Waiting on determining correct version of OpenMPI and specification of desired DiFX version. $ Install Nagios on servers ...
r11 - 2019-05-22 - 18:38 by JimJacobs
UsnoDifxOsPatchChecklistItemState
WARNING! THIS TOPIC IS GENERATED BY System.ChecklistPlugin PLUGIN. DO NOT EDIT THIS TOPIC (except table data)! Back to the checklist topic UsnoDifxOsPatch. *context ...
r347 - 2019-05-21 - 17:24 by JimJacobs
WebStatistics
Statistics for HPC Web Month: Topic views: Topic saves: File uploads: Most popular topic views: Top contributors for topic save and uploads: ...
r7 - 2019-05-20 - 11:25 by AdminUser
UsnoDifxComputeNodes2
Integral NICs This particular model of the Dell R640 servers have a group of four NIC ports on the back; the is an additional NIC for the iDRAC system located at the ...
NEW - 2019-05-13 - 15:46 by JimJacobs
UsnoDifxServerDiskLayout2
* The disk layout is shown below as displayed using lsblk. The two disks are partitioned somewhat in parallel although the first disk (sda) contains the the actual ...
NEW - 2019-05-13 - 14:00 by JimJacobs
CatchAndRelease
Catch and Release %TWISTY{ showlink="Show TOC" hidelink="Hide TOC" showimgright="" hideimgright="" }% TL;DR remove an OST from a pool on CV lustre ...
r12 - 2019-04-12 - 10:16 by CjAllen
UsnoDifxEnvSensor
Environment Monitor The environment monitor is positioned to read the temperature and humidity via a sensor mounted above the rack containing the correlator nodes ...
NEW - 2019-02-04 - 13:44 by JimJacobs
UsnoA7050Interfaces
usno a7050 show interfaces Ethernet1 is up, line protocol is up (connected) Hardware is Ethernet, address is 001c.7318.2adb (bia 001c.7318.2adb) Description: node ...
NEW - 2019-01-30 - 17:23 by JimJacobs
ALMABenchmarking
Points of Contact ALMA Science Tony Remijan aremijan@ ALMA Systems Mike Hatz mhatz@ Background This page establishes a set of benchmarks that can be used ...
r39 - 2018-12-11 - 21:42 by JamesRobnett
UsnoDifxOperatingSystem2
Correlator Operating System The all the computing hardware will be running a version of RHEL 7.x. Because of security issues, the installed version will track the ...
NEW - 2018-12-11 - 16:28 by JimJacobs
UsnoDifxOverview2
USNO Correlator II Overview Production Correlator The USNO uses a computing cluster built and maintained by NRAO for performing correlations using DiFX. In 2019 ...
r2 - 2018-12-11 - 15:56 by JimJacobs
UsnoDifxNetworking2
Contents Networking As of this writing the plan is to fold the new correlator into the existing correlator network layout. This will facilitate keeping the two in ...
r3 - 2018-12-11 - 13:42 by JimJacobs
UsnoDifxNetworkingDiagram2
Main.JimJacobs 2018 12 11
NEW - 2018-12-11 - 11:27 by JimJacobs
HPCSupport
GBO / LBO / JAO / NRAO HPC (High Performance Computing) Support Wiki Introduction This wiki is to track open tasks and to collect detailed logs for HPC related ...
r27 - 2018-10-22 - 10:37 by MikeHatz
WebHome
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 ...
r23 - 2018-10-16 - 12:40 by MikeHatz
UsnoDifxNagios
Nagios We install service software in /opt/services instead of the normal location. This seperates it from the OS install and allows us to re install and/or upgrade ...
r25 - 2018-04-17 - 13:11 by MarkWainright
UsnoVNC
Connecting to the USNO Using VNC * Login to usno serv 1 ext and start VNC ssh admin@usno serv 1 ext vncserver * Start VNC on local machine vncviewer via admin ...
r2 - 2018-04-17 - 11:27 by MarkWainright
UsnoSshUser
Creating a new SSH user Access to the cluster from the outside is only permitted using ssh with a public key. This page describes how to add a new account as well ...
NEW - 2017-08-09 - 15:40 by JimJacobs
AutomateLustreClientBuild
Thoughts on automating Lustre Client module builds. * Keep a copy of the current lustre package under /opt/services/lustre client on usno serv 1t. (Had to install ...
r2 - 2017-07-13 - 18:20 by JimJacobs
SmileyTestChecklistItemState
WARNING! THIS TOPIC IS GENERATED BY System.ChecklistPlugin PLUGIN. DO NOT EDIT THIS TOPIC (except table data)! Back to the checklist topic SmileyTest. context ...
NEW - 2017-05-23 - 14:58 by JimJacobs
SmileyTest
Main.JimJacobs 2017 05 23 Checkbox
NEW - 2017-05-23 - 14:55 by JimJacobs
CheckboxTest
Title One Two Main.JimJacobs 2017 05 15
NEW - 2017-05-15 - 18:53 by JimJacobs
CheckboxTestChecklistItemState
WARNING! THIS TOPIC IS GENERATED BY System.ChecklistPlugin PLUGIN. DO NOT EDIT THIS TOPIC (except table data)! Back to the checklist topic CheckboxTest. *context ...
NEW - 2017-05-15 - 18:49 by JimJacobs
HeraLibrarian
HERA Librarian software Instructions on configuring the hardware can be found at https://staff.nrao.edu/wiki/bin/view/CIS/Documentation/Herastore01 Installation ...
r2 - 2017-04-25 - 11:22 by KScottRowe
HERA
HERA * HeraLibrarian
NEW - 2017-04-24 - 10:26 by KScottRowe
FidindirectActivity
Summary of NAASC Lustre FID in direct Activation Activity This page provides a summary of the activity conducted at NAASC on Fri/Sat April 21/22, 2017. %TWISTY{ ...
NEW - 2017-04-24 - 09:55 by JessicaOtey
UsnoDifxMegaRAID
LSI MegaRAID Install The MegaRAID software installs /usr/local but we actually want it in /opt/services. So we make a symlink. $ To install the software, be ...
r5 - 2017-03-23 - 15:31 by KScottRowe
UsnoNodeBootMechanism
Node Boot Mechanism Configure BIOS $ Disable Hyper Threading: Hyper Threading is a very cheap trick to simulate dual CPUs. All it does is create a second entry ...
r5 - 2017-03-13 - 13:08 by KScottRowe
UsnoDifxDHCP
DHCP Install DHCP Retrieve DHCP from http://isc.org/products/DHCP/ The latest release as of2012 06 26is DHCP 4.2.4. Looks like they still can't write a good makefile ...
r17 - 2017-03-13 - 13:01 by KScottRowe
LustreRoundRobin
File distribution across OSTs (Applies to Lustre 2.5.3) %TWISTY{ showlink="Show TOC" hidelink="Hide TOC" showimgright="" hideimgright="" }% # There ...
r6 - 2017-03-13 - 12:00 by JessicaOtey
LustreBugABoo
Tracking Lustre Bugs %TWISTY{ showlink="Show TOC" hidelink="Hide TOC" showimgright="" hideimgright="" }% # A table of bugs we care about Link ...
r6 - 2017-03-02 - 11:23 by JessicaOtey
HPC20170301
HPC Meeting: 2017/03/01 Participants * NRAO: * David Halstead * Jessica Ottey * Patrick Murphy * Mike Hatz * James Robnett * JAO ...
NEW - 2017-03-01 - 13:47 by MaxsSimmonds
HPCMeetings
Meetings * HPC: 2017/03/01
NEW - 2017-03-01 - 13:46 by MaxsSimmonds
LustreLessons
%TWISTY{ showlink="Show TOC" hidelink="Hide TOC" showimgright="" hideimgright="" }% # Key points * Lustre clients require lustre modules, while MDSes ...
r2 - 2017-03-01 - 09:55 by JessicaOtey
NaascLustreUpgradeToaster
Naasc Lustre Upgrade 'Toaster' Notes %TWISTY{ showlink="Show TOC" hidelink="Hide TOC" showimgright="" hideimgright="" }% # What is the toaster? ...
r6 - 2017-01-28 - 11:57 by MikeHatz
UsnoDifxInstallation
Installing DiFX Quick help To get usage instructions: difxbuild h To get in line documentation printed to your terminal: difxbuild d Introduction This DiFX installation ...
r19 - 2017-01-13 - 15:23 by MarkWainright
CasaParallelTaskList
CASA Parallelization Task List Item No. System Element Description Status Prerequisites People Target Cycle Notes 1 Environment Management ...
r12 - 2017-01-12 - 10:53 by SandraCastro
NagiosOstFullness
Using Nagios to monitor OST capacity %TWISTY{ showlink="Show TOC" hidelink="Hide TOC" showimgright="" hideimgright="" }% # How to use this plugin ...
r2 - 2016-12-30 - 10:35 by JessicaOtey
Number of topics: 38
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Topic revision: r3 - 2009-10-19, CarolynWhite
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