WARNING! THIS TOPIC IS GENERATED BY System.ChecklistPlugin PLUGIN. DO NOT EDIT THIS TOPIC (except table data)! Back to the checklist topic UsnoDifxOsPatch2. *con...
USNO Maintenance Log 2 This log page allows significant maintenance/administration events to be logged for future use. The goal is to record information that migh...
KVM Console/Switchs (jhj 1/15/21) Currently two of the KVM retained from the old correlator are not on the net. These are the KVM in the second rack of SWCs and...
Environment Monitor The environment monitor is positioned to read the temperature and humidity via a sensor mounted above the rack containing the correlator nodes...
Host SSH Aliases In root's .bashrc are defined a number of aliases to make it a bit quicker to do commands to a single host. Basically it aliases the host name wi...
Ping Diskless The custom python3 utility ping diskless was originally designed to ping the SWCs to watch them through the reboot cycle. It has evolved such that ...
Nagios Nagios is a watchdog daemon that can be configured to check on various properties of a computer system and issue warnings and/or alarms if one of the prope...
Client (SWC) Installation The initial client installation was performed using the hard disk drive that came with SWC 001. The host was booted via PXE boot and the...
BGFS Installation The BGFS hosts were installed by vendor. They were then modified by us to meet the most pressing requirements (i.e., "critical" and "high" find...
Logging Rsyslog Server 1 runs rsyslogd via the systemd rsyslog.service; the main configuration for the rsyslod is /etc/rsyslog.conf. DHCP Logging DHCPD messages...
Time Service Overview Time services is provided primarily by server 1 using the chronyd daemon. The configuration file for chronyd is /etc/chrony.conf. Service...
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 i...
BGFS File Servers Overview The new correlator is using BEEGFS (bgfs) in place of Lustre to provide a high speed, high capacity file system. The bgfs servers are ...
Compute Nodes Basic System Specs The SWC (SoftWare Correlator) hosts are Dell R640 systems. These have two Intel Xeon Gold 6132 CPUs which run at 2.60 GHz; each ...
USNO Correlator Documentation Wiki This Wiki section serves as the primary documentation for the NRAO project to provide a DifX correlator to USNO. It is intentio...
Fringing Host (test cluster only) Overview In addition to the normal correlation work, some other analytical work is done. At the USNO, they have two fringing...
Infiniband Switches Overview The correlators use Infiniband (IB) network connections to pass data between the correlator nodes (SWCs) and also with the file serv...
RADIUS Service RADIUS is an authentication service often supported by simpler devices such as switches. The servers run a systemd service named radiusd that the ...
Admin Servers Introduction Each correlator has two administrative servers, server 1 and server 2. The servers are used to administer the correlator and take no d...
USNO Correlator II Overview Production Correlator The USNO uses a computing cluster built and maintained by NRAO for performing correlations using DiFX. In 2019...
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...
AIDE AIDE is a program that scans important files in the system and reports any changes in the files relative to the accepted baseline. The security STIG require...
Shutting off Nagios Alarms When a nagios problem can't be fixed right away it can get tiresome to have the alarm message coming out every hour or so. Almost the s...
Pty Allocation Problem So far, this problem has mostly occurred on server 1 on both clusters, probably because it gets the most login traffic suring maintenance. ...
Debugging SE Linux Both server 1..2 and the BGFS hosts are running SE Linux in targeted mode; the SWCs are not running SE Linux although since the images are host...
Correlator DNS Service Server Configuration Both server 1 and server 2 provide DNS service to the correlator. Server 2 should be considered a backup to server 1....
Mail Service Overview Since the correlator is effectively a compute device, very little email service is required. The only exception is that the system administ...
File Transfer From an NRAO Host The hosts on either correlator can be reached via the NRAO DNS, file transfer can be initiated from an NRAO host in a pretty stra...
Do on hosts This python script is designed to execute a command on a set of cluster hosts. It is invoked via the link do on hosts located in /opt/services/bin wh...
Host Status Tool The host status tool can be used to summarize important attributes for all hosts in the system. It is invoked by doing host status all on one of...
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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...
Mellanox (Infiniband) Switch Software information * Collected 5/15/20 by Jim Jacobs data m6036 1 standalone: master show version Product name: MLNX OS...
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...
DHCP Overview Server 1 provides DHCP service on the network admin network. The setting for the daemon are in /etc/dhcp/dhcpd.conf. The IP addresses on all of ne...
VNC and X Window Connections To launch an X application, make an ssh tunnel and then launch the X app an it'll appear locally. * ssh X J admin@usno serv 1t ...
This rule requires the installation and continuous execution of a host based intrusion detection system. The preferred package is McAfee but apparently something ...
WARNING! THIS TOPIC IS GENERATED BY System.ChecklistPlugin PLUGIN. DO NOT EDIT THIS TOPIC (except table data)! Back to the checklist topic UsnoRhel7Stig2Productio...
The STIG requires multifactor access for all privleged accounts; it mentions using two government approved mechanisms (one is CAC) as examples. It's possible that...
The twoservers do not mount any NFS volumes. The SWCs have two mounts to server 1. We'll have to see if this causes any heartburn when it's enabled on the SWCs.
None of the hosts are currently doing any packet forwarding. On the old cluster the firewall had to be modified to allow packet forwarding to support some of the ...
The tftp server package is not installed on the SWCs. On the two servers, the service file is located in /etc/systemd/system/tftp.service and this starts the serv...
The two servers need TFTP server functionality to support diskless bootup. The daemon is invoked with a root, /opt/services/tftpboot, which limits its scope. The ...
The servers provide SMTP service but act as relays so that alarm messages from within the cluster can propagate outside of the cluster to system administrators, e...
The two servers do allow remote messages over TCP. This allows them to capture syslog messages from the SWCs and other devices on the system. Thus they serve as l...
The config files for audit have changed since the STIG. They are now located in /etc/audit/rules.d though I think they're actually "compiled" into /etc/audit/audi...
Auditting is enabled on the systems and will be tweaked per STIG specs about coverage. The system must have high availability, so having a doomsday switch on audi...
There are a couple of other grub.cfg files located under /opt. These are served up to the diskless systems and are not part of the boot process for the server's t...
The hard drives on the servers have a separate partition for /var. I'm not sure that this rule applies to the diskless systems since they have no disks.
The aide program is installed on server {1,2} and the swc diskless image. Cron should run it once a day on the servers. An email message will go out to usno admin...
Mandatory multifactor authentication is likely to be problematic for the cluster both for administration and DiFX usage because both actions require easy login to...
Applying this rule will end up requiring console access to complete a reboot which is not appropriate for either a cluster and for a remotely administrated system...
Server 1 only had config file mods as expected. Server 2 has a mods to /etc/NetworkManager/dispatcher.d/20 chrony; I think a system update did this? The SWCs have...
Wiki page to track August 26/27 CHTC site visit to NRAO Date: August 26 27 2019 Locations: SO Auditorium, CV Auditorium(Monday) and ER 245 (Tuesday) Connection In...
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The commands provided are not appropriate for this system given it's version of RHEL 7.6. Use systemctl status tftp l to see that the tftp daemon is started in a...
Server 1 has tftpd installed and it's used for booting of the diskless hosts (swc xxx). It is set up to only transfer files located below /opt/services/tftpboot. ...
I believe that postfix on server 1 is configured to only relay messages from hosts on 10.1.36.* but it's not using, nor does it even show, the parameter described...
This rule is tied tightly to NTP whereas RHEL is using chrony. This will take some research, probably. Also we'llhave to find a direct, acceptable official clock ...
There is no expectation that users will receive mail on server 1. It serves as a way to forward mail off of the cluster (e.g., sending notifications back to the s...
DId cp /usr/share/doc/audit 2.8.4/rules/30 stig.rules stig.rules= to put these rules into /etc/audit/rules.d. Then restarted service using service auditd restart....
This requirement seems to be aimed at sending audit messages off the machine. However, server 1 doesn't really have anywhere to send them. This feature is more ap...
This one works pretty much as the directions describe. I suggest copying the linux image (vmlinuz...) and the ram disk image (initramfs...) and /boot/efi/EFI/redh...
Better first search is find / xdev perm 002 type f perm /111 exec ls ld {} \; more since this will only return executable files that are world writable.
The checking logic provided seems to prevent any file sharing except by group which is not really consistent with the collaborative nature of this system's usage....
Environment Monitor The environment monitor is positioned to read the temperature and humidity via a sensor mounted above the rack containing the correlator nodes...
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: ...
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...
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 th...
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 relate...
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 eith...
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 upgr...
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 a...
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 wel...
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 inst...
WARNING! THIS TOPIC IS GENERATED BY System.ChecklistPlugin PLUGIN. DO NOT EDIT THIS TOPIC (except table data)! Back to the checklist topic SmileyTest. context ...
WARNING! THIS TOPIC IS GENERATED BY System.ChecklistPlugin PLUGIN. DO NOT EDIT THIS TOPIC (except table data)! Back to the checklist topic CheckboxTest. *context...
HERA Librarian software Instructions on configuring the hardware can be found at https://staff.nrao.edu/wiki/bin/view/CIS/Documentation/Herastore01 Installation...
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{ ...
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...
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 ent...
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 mak...
Installing DiFX Quick help To get usage instructions: difxbuild h To get in line documentation printed to your terminal: difxbuild d Introduction This DiFX in...
Hi all, SInce last Wednesday (2016 12 07) we at jao started having reports of some jaopost client machines (around 10 in 4 days) that got frozen during Pipeline R...
When you log a troubleshooting request, please remember to include relevant logs: 1 MDS log as an attachment 1 OSS log(s) as an attachment 1 Client log(s...
Description NAASC MDS freezes due to being out of memory. More RAM is installed taking it from 12 GB to 48 GB. On a subsequent reboot, the MDS cannot mount the M...
Description Some CASA Pipeline jobs do not complete successfully at JAO on 64 GB cluster machines, but do on machines with more memory at JAO and the NAASC. This ...
Description Phone call from Maxs stating they were having problems with JAOPOST020 not being able to run CASA when connected to sciops lustre. Who JAO Maxs Sim...
Red Hat Network Configuration Sep. 1, 2016 krowe: We setup usno serv 1 in the test cluster to download all available updates from the Red Hat Network. This was d...
Documentation for Lustre filesystem. Very much in progress. Installation The following pages cover various steps in installation of a Lustre filesystem simil...
* Instructions down say anything about updating /etc/exports on usno serv 1{t}. They should or we should stop doing it per version (appears to be needed the way ...
Chunk Size 256 K Lard Test Results # iozone * Run iozone cd /mnt/sdc; /tmp/root/iozone3_434/src/current/iozone ec t 1 r 1M s 128g n i 0 i 1 * Result...
Chunk Size 128 K Lard Test Results # iozone * Run iozone cd /mnt/sdd; /tmp/root/iozone3_434/src/current/iozone ec t 1 r 1M s 128g n i 0 i 1 * Result...
Notes from the February 2016 patching Changes * Migrated to scripted form of patching * New version is 6.7.1.1 on all systems * Migrated Lustre servers ...
Lustre Disk Performance Tests Performance tests listed here should be done prior to creating actual Lustre filesystems. The tests are either destructive, dd and ...
Install and Configure Lustre Software Lustre Server RPM install $ Download the following RPMs, matching your lustre version, OS, and kernel. Source: Intel's ...
Installing Infiniband for Lustre Installing Mellanox switch * They do not do DHCP by default so you will need a serial console configured to 8N1 with hardwar...
CASA Parallelization Wiki area for discussion and tracking of various CASA parallelization issues and targets. Planning Information * Project Scope ...
Errata and Issues * The usno serv host may need to be able to be a mail server and devices like the PDUs can send email to it and it can relay out. Mail from ...
SMTP (sendmail) Install Sendmail We use the sendmail that comes stock with RHEL. Configure Sendmail on usno serv * servers $ edit /etc/mail/sendmail.mc: ...
DEPRECATED, WILL LIKELY DELETE This page documents creating a new USNO correlator client OS cluster image with new security RPMS. Rather than applying patches dir...
Updating the OS All work on the OS should be done on the test usno cluster at the NRAO in Socorro, NM. This way it can be tested before copied to the real USNO c...
Current Status Known Work Remaining Updated: March 2, 2015 * Environment Management Infrastructure * MPI Framework is in place. MPI rpm packages are ...
Main.SandraCastro 2015 04 13 Use Case 1: Run on a cluster, on interactive node Description Run CASA from a self contained binary package. Run CASA in parallel u...
HTTP Eventually we may want to use our regular apache/http installation but for now, I am just going to use the stock redhat for testing. $ Configure httpd: c...
TFTP Setup for Diskless Boot Enable TFTP Services on server. $ Create new tftp directory in /opt/services tree: mkdir p /opt/services/tftpboot $ edit /e...
NTP Configure Time Servers and Peers This is one of the differences between the test cluster at the NRAO/AOC and the production cluster at USNO. The test cluste...
DNS (bind) Install DNS Retrieve bind from http://www.isc.org/software/bind/ Use the latest 9.7 release. We split bind into the following directory structure to...
SSH Because of security settings by the USNO, one cannot ssh in as root. Using passwords with ssh is not allowed, only phasphrase keys can be used. Nodes (Both ...
Web Certificates The default web cert (/etc/pki/tls/certs/localhost.crt) expires 1 year after it is created which is when the machine is installed. There is a c...
Main.SandraCastro 2015 07 07 Casa HPC/Parallelization meeting agenda/minutes Thursday 09 July 2015 , ESO Centaurus, C.2.01 , 15:00 UTC How to connect ...
Main.SandraCastro 2015 06 26 CASA HPC Face2Face Meeting in Socorro Attendees ESO: Julian, Justo and Sandra NRAO: CASA team NAOJ: Kana, Takeshi STFC: Stewart Ag...
CASA HPC/Parallelization Requirements Introduction Requirements applicable to the CASA HPC Parallelization effort are described below. An iterative and increment...
Main.SandraCastro 2015 04 08 Casa HPC/Parallelization meeting agenda/minutes Thursday 09 April /2015 , ESO Centaurus, C.2.01 , 15:00 UT How to connect...
Main.SandraCastro 2015 04 08 Data set X291 with 3 EBs. Weblog is OFF for all tests. casa test 4.4.123, pipeline rev 32881, CV cluster 1 Each EB runs on a sep...
Main.SandraCastro 2015 03 31 1. ALMA MS A001_X122_X291 with 3 EBs uid___A002_X856bb8_X169d, uid___A002_X86fcfa_X66b, uid___A002_X8719c8_X27f Script is: h_init()...
Main.SandraCastro 2015 04 01 Casa HPC/Parallelization meeting agenda/minutes Thursday 2 April 2015 , ESO Centaurus, C.2.01 , 15:00 UT How to connect ...
Main.SandraCastro 2014 11 11 1 Tests using a cycle 2 data reduction script with Multi MS. The script runs the following tasks: 1 Tests using a cycle 2 data ...
Main.SandraCastro 2015 03 09 1. Running the trunk of CASA with MPI * If your desktop does not have the MPI libraries installed (NRAO computers should have the...
Main.SandraCastro 2015 01 28 ALMA pipeline script and "balanced" mode in partition 1. (6 Feb) Balanced mode with 4 subMSs, about 14Gb each. Restarted the whole ...
Tests using the maximum possible number of subMSs (all existing SPW/scan combinations) Since CASA data reduction scripts rely very commonly on SPW/scan selection ...
Main.SandraCastro 2014 12 01 Running CASA scripts using the MPI framework in the Socorro cluster This procedure will build CASA from scratch and install all the ...
Main.SandraCastro 2014 12 01 Run a cycle 2 script using lazy filler and MMS * Run partition to create 10 subMSs, which seemed to be more optimal for applycal....
Main.SandraCastro 2014 11 13 1. Tests using MMS We are running several tests on MMSs and will use this area to post some findings. None of the problems here are ...
Main.SandraCastro 2014 11 13 1. Test the pipeline using CASA's trunk build on MMSs. Seg faults on importasdm. It may have inconsistencies in the code. Need to use...
Mini TODO list *) Kumar to fix a bug in virtual model column not cleared at times *) Sanjay (with help of James R) will get a parallel run with boosted limit on f...
CASA Parallelization Decision Log A summary of recorded significant decisions at meetings for easy searching. Topic Decision Reference SimpleCluster I...
Tasks * Test power load with parrallel correlation and network tests Procedures Walter's notes are in /lustre/usno/benchmark/difx/difxspeed/Howto on correlato...
Benchmarking * UsnoDifxBenchmarkingLustre difxspeed: a new benchmarking tool A new tool, difxspeed (attached to this wiki page) has been developed that facilita...
Preferred MPI Implementation Background A preferred MPI implementation needs to be identified and incorporated into the CASA build system and development environ...
CASA Parallelization Implementation Plan Introduction The project will be approached with an iterative/incremental development model, deploying the parallelizat...
CASA Parallelization Architecture General Approach Our general approach will to be to attack the "embarrassingly parallel" portions of data reduction. That is to...
CASA Parallelization Project Scope With the expansion of the VLA and the construction of ALMA, data sets are increasing in size and data processing time is increa...
Overview Lustre OSSes were purchased from Aeon computing and come pre installed with Centos 5.9 and Lustre 1.8.9. The following are modifications to the received...
Installing RedHat Enterprise 6 Workstation on the USNO Lustre MDS Pre Installation $ Enable Virtualization: This is necessary for 64bit versions of VMware. ...
Diskless Booting of the Compute Nodes This topic discusses the configuration of the diskless network boot system proposed to be used with the USNO DifX software c...
July Lustre Installation steps Prior to Tuesday July 22nd * USNO Tasks * Identify Lustre MDS server: separately ordered Dell with 3 Hard Drives otherwis...
Cluster Scheduling Overview The NRAO has a computer cluster for running CASA. A resource manager, Torque, and a scheduling program, Maui, are required to allow ...
Casa Parallelization meeting minutes: Monday 29 July 2013 Attendees: Jeff, Jim, Kumar, James, Sanjay Status Review * Temp Lattice * Hooks are in place,...
Powering Off and On the Cluster Without Admin Access Power Down 1 Ensure that correlation is not running. 1 Power off node 001 through node 033 by holdin...
Project page to track the proof of concept to transfer data and compute jobs from the NAASC to the UVA campus grid (XSEDE), specifically to the CS and Astronomy d...
Casa Parallelization meeting minutes: Monday 3 June 2013 Attendees: Jeff, Kumar, James, Jim, Brian Review of Priorities: * Removal of Scratch Columns: ...
Casa Parallelization meeting minutes Monday August 27th Room 317, 3:30pm MDT Attendees: Targets/tasks * Benchmarks against various hardware James * U...
August 3rd 11am MDT/1pm EDT USNO Attendees: David, Nicole, Ken, Chris, Dave Hall NRAO Attendees: James, Kscott, Walter, Jeff Agenda * Budget and Production cl...
Lustre Filesystem Creation Documentation for creating MDS and OSS filesystems. Ensure the following steps have been done before proceeding * Operating systems...
Ganglia We install ganglia in /opt/services instead of the normal location. This seperates it from the OS install and allows us to re install and/or upgrade the...
USNO Difx Correlator Networks The Difx Correlator connects to 3 discrete Ethernet networks. * public network for remote access from NRAO/NM for maintenance and...
Casa Parallelization meeting minutes Monday August 13th Room 317, 3:30pm MDT Attendees: Targets/tasks * Benchmarks against various hardware James * U...
This page or subpages are intended to track Wide Area Network (WAN) performance within the NRAO, primarily for improving performance instrument data mirroring and...
Casa Parallelization meeting minutes Monday July 23rd Room 317, 3:30pm MDT Attendees: Targets/tasks * Benchmarks against various hardware James * Sta...
Install Monitoring Systems We install ganglia in /opt/services instead of the normal location. This seperates it from the OS install and allows us to re install ...
MDS Tunables OSS Tunables Read Cache filesize: Consider reducing the maximum filesize for read cache. Since Lustre is mostly supplying raw CASA data there will ...
Installing 10Gb for Lustre Configuring 10G on systems The card we use is the Solarflare SFC9020. Note that these instructions assume eth2. Assign IP address wi...
3ware Install and Configure Some of these steps may be specific to the NRAO. Setup System * Add a fixed address for aoc oss X in the 10.64.1.XXX range. Use n...
USNO Correlator schedule Monthly schedules with bulleted list at bottom of page. More target dates will be added as project progresses. Bulleted list * 2 Apr...
Lustre Server Hardware OSS server The OSS consists of the following hardware, an example spec can be found here:OSS specs.pdf * Superlogics 4U chassis, CSE...
Casa Parallelization meeting minutes Monday June 18th Room 317, 3:30pm MDT Attendees: Targets/tasks for June 18th 25th * Complete installation of test ha...
June 14th 11am MDT/1pm EDT USNO Attendees: David, Nicole, John Spitzak, Chris, Dave Hall NRAO Attendees: John, Kscott, Walter, James Agenda * Budget and Produ...
Installing web100 / ndt I chose to base my install off a standard RHEL6.2 x64 kickstart. After patching the box was running the 2.6.32 220.13.1.el6.x86_64 kernel....
Casa Parallelization meeting minutes Monday April 9th Room 317, 3:30pm MDT Attendees: Targets/tasks for April 9th April 15th * Test model data column cha...
Casa Parallelization meeting minutes Monday March 26th Room 317, 3:30pm MDT Attendees: James, Jeff, Kumar, Sanjay, Targets/tasks for March 19th to March 25th ...
Casa Parallelization meeting minutes Monday March 19th Room 317, 3:30pm MDT Attendees: Jim, Sanjay, Kumar, Bryan, Jeff, James Targets/tasks for March 19th to M...
Casa Parallelization meeting minutes Monday March 12th Room 317, 3:30pm MDT Attendees: Targets/tasks for January 27th March 4th * Test thread gridder per...
Casa Parallelization meeting minutes Monday February 27th Room 317, 3:30pm MDT Attendees: Targets/tasks for January 27th March 4th * Test thread gridder ...
Casa Parallelization meeting minutes Monday February 6th Room 317, 3:30pm MDT Attendees: Targets/tasks for January 6th February 13th Discussion/Agenda *...
Casa Parallelization meeting minutes Monday January 30th Room 317, 3:30pm MDT Attendees: Jim, James, Bryan, Kumar, Sanjay, Jeff Targets/tasks for January 30th ...
Main.DanielKlopp 2011 12 15 Comments on Content This information is provided as is in the hope that it will be helpful to some people. Be careful utilizing some...
Casa Parallelization meeting minutes Monday January 9th Room 317, 3:30pm MDT Attendees: James, Jeff, Brian, Kumar, Sanjay, Jim Targets/tasks for January 9th ...
Casa Parallelization meeting minutes Monday November 14th Room 317, 3:30pm MDT Attendees: Brian, Kumar, Sanjay, Jeff, Jim, James Targets/tasks for November 14t...
Casa Parallelization meeting minutes Monday October 17th Room 317, 3:30pm MDT Attendees: James, Jeff, Jim, Kumar, Bryan, Brian Targets/tasks for October 17th ...
Casa Parallelization meeting minutes Monday August 8th Room 317, 3:30pm MDT Attendees: Brian, Jeff, Kumar, James Targets/tasks for August 8th 14th * Conti...
Casa Parallelization meeting minutes Monday July 25th Room 317, 3:30pm MDT Attendees: Jim, Jeff, James, Justo, Kumar, Brian Targets/tasks for July 25th July ...
Lustre Overview Lustre is a parallel distributed filesystem used in most large scale computing facilities. It allows NRAO/NM desktops, public machines and clus...
Casa Parallelization meeting minutes Monday July 18th Room 317, 3:30pm MDT Attendees: Kumar, Jim, Jeff, James, Justo Targets/tasks for June 18th July 24th ...
How to make RHEL5.x x86_64 Lustre client RPMs. Download and Compile Working space and variables tmpdir="/tmp/$$" extraversion=`uname r cut d" " f2` ...
Lustre Build and Install notes Lustre build notes for building and installing Lustre servers and clients against Redhat (RHEL5.5) kernel. Get Quilt patch mana...
Casa Parallelization meeting minutes Monday June 13th Room 317, 3:30pm MDT Attendees: Jim, James, Kumar, Jeff Targets/tasks for June 13th June 19th Discussi...
Casa Parallelization meeting minutes Monday May 23rd Room 317, 3;30pm MDT Attendees: Bryan, Sanjay, Kumar, Jim, James Targets/tasks for May 23rd May 29th ...
Casa Parallelization meeting minutes Monday May 16th Room 317, 3;30pm MDT Attendees: Targets/tasks for May 16th May 23rd * Examine async thread failure p...
Casa Parallelization meeting minutes Monday April 25th Room 317, 3:30pm MDT Attendees: Jim, Jeff, James, Kumar, Bryan, Brian Targets/tasks for April 25th May...
Casa Parallelization meeting minutes Monday April 18th Room 317, 3:30pm MDT Attendees: Bryan, James, Jeff, Kumar, Sanjay, Jim Targets/tasks for April 18th A...
Casa Parallelization meeting minutes Monday April 4th Room 317, 3:30pm MDT Attendees: Bryan, Brian, Kumar, Sanjay, James, Jim Targets/tasks for April 4th Apr...
Casa Parallelization meeting minutes Monday March 28th Room 317, 3:30pm MDT Attendees: Brian, Kumar, Jeff, Jim, Sanjay, James, Dan Targets/tasks for March 28th...
Casa Parallelization meeting minutes Monday March 21st Room 317, 3:30pm MDT Attendees: Bryan, Brian, Jim, James, Sanjay, Dan Klopp Targets/tasks for March 21st...
Casa Parallelization meeting minutes Tuesday March 15th Room 317, 3:00pm MDT Attendees: Jim, Jeff, Brian, James, Sanjay, Dan Targets/tasks for March 14th Mar...
Casa Parallelization meeting minutes Monday March 7th Room 317, 3:30pm MDT Attendees: Brian, Jeff, Jim, Sanjay, James Targets/tasks for March 7th March 13th ...
Casa Parallelization meeting minutes Monday February 28th Room 317, 3:30pm MDT Attendees: James, Bryan, Jim, Sanjay, Jeff Targets/tasks for February 28th Mar...
Casa Parallelization meeting minutes Monday February 7th Room 317, 3:30pm MDT Attendees: Greg, Jim, Sanjay, Kumar, James, Jeff Targets/tasks for February 7th ...
Casa Parallelization meeting minutes Monday January 31st Room 317, 3:30pm MDT Attendees: Bryan, Brian, Jeff, Jim, Kumar, James Targets/tasks for January 31th ...
Casa Parallelization meeting minutes Monday November 22nd Room 317, 3:30pm MDT Attendees: Brian, Jim, Kumar, Sanjay, Jeff, James Targets/tasks for November 22 ...
Casa Parallelization meeting minutes Monday November 15th Room 317, 3:30pm MDT Attendees: Kumar, Jim, Brian, Jeff, Greg, James Targets/tasks for November 15 ...
Procedures IN PROGRESS awaiting test scripts In the interest of obtaining consistent results all tests should be run on the designated CASA dev node(s). * E...
Monday November 1st Room 317 Attendees: Greg, Kumar, Sanjay, Jim, James Targets/tasks for November 1 November 7 * Async I/O development plan Jeff/Jim * ...
Casa Parallelization meeting minutes Monday October 25th Room 317 Attendees: Ger, James, Kumar, Jeff, Jim, Sanjay Targets/tasks for October 25 November 31 D...
Casa Parallelization meeting minutes Tuesday October 19th Room 317 Attendees: Kumar, James, Jim, Greg, Sanjay, Bryan Targets/tasks for October 18 October 24 ...
Monday October 11th Room 317 Attendees: Kumar, Sanjay, James, Jim, Jeff, Bryan Targets/tasks for October 11 October 18 * Revise CasaParallelTaskList Jeff ...
Casa Parallelization meeting minutes Friday September 17 Attendees: James Robnett, Bryan Butler, Kumar Golap, Sanjay Bhatnagar Targets/tasks for September 17 2...
Friday September 3 Attendees: Targets/tasks for September 3 10 * Time domain partitioning in continuum imaging Kumar * Enable multiple MSes per imaging p...
Casa Parallelization meeting minutes Friday August 20 Attendees: Targets/tasks for August 20 27 * Time domain partitioning in continuum imaging Kumar * E...
Casa Parallelization meeting minutes Friday August 13 Attendees: Kumar Golap, Sanjay Bhatnagar, Brian Glendenning, James Robnett Targets/tasks for August 13 20...
Casa Parallelization meeting minutes Friday August 6 Attendees: Kumar Golap, Sanjay Bhatnagar, Bryan Butler, James Robnett Targets/tasks for August 6 13 * F...
AstroGPU 2007 About AstroGPU 2007 Workshop on General Purpose Computation on Graphics Processing Units in Astronomy and Astrophysics Institute for Advanced Study...
Notes from TeraGrid 2009 Main.AmyShelton 2009 07 14 What is TeraGrid? From their website: TeraGrid is an open scientific discovery infrastructure combining lea...
HPC Web Preferences The following settings are web preferences of the HPC web. These preferences overwrite the site level preferences in . and , and can b...
Here are some very quick notes on SC08. General Impressions: * big push for "green computing" ... looking at FLOPS per watt * Green500 extension of Top50...
Super Computing 2007 (A. Shelton's Notes) Tutorial: Introduction to Scientific Workflow Management and the Kepler System * One of the presenters mentioned t...