Research Computing At Haas - Revision history

imported>Orie: /* Bear */

2011-10-26T23:56:33Z

Bear

imported>Ed: /* Bear */

2011-10-19T18:09:39Z

Bear

imported>Ed at 17:13, 17 October 2011

2011-10-17T17:13:01Z

imported>Ed at 17:09, 17 October 2011

2011-10-17T17:09:59Z

imported>Orie: /* Bear */

2011-10-12T19:26:34Z

Bear

imported>Orie: /* Bear */

2011-10-06T04:32:15Z

Bear

imported>Orie: /* Bear */

2011-10-06T02:44:19Z

Bear

imported>Ed at 00:51, 13 July 2011

2011-07-13T00:51:29Z

imported>Ed: /* PhD-PGSQL */

2011-07-13T00:50:24Z

PhD-PGSQL

imported>Ed: /* Bsub */

2011-04-14T23:00:27Z

Bsub

@@ Line 4: / Line 4: @@
 ==Bear==
-Bear is a 8 node research computing cluster. [http://groups.haas.berkeley.edu/HCS/research_computing/research-hwsw.html The official blurb] is out of date (it still says that bear has two sets of 5 compute nodes, one set with 64Gb of RAM per node, and one with 16Gb of RAM per node). All nodes have dual core 3Ghz Xenon processors, except for cn-11 which has 16 cores.
+Bear is a 8 node research computing cluster. [http://groups.haas.berkeley.edu/HCS/research_computing/research-hwsw.html The official blurb] is out of date (it still says that bear has two sets of 5 compute nodes, one set with 64Gb of RAM per node, and one with 16Gb of RAM per node). All nodes have quad core  Xenon processors at about 3Ghz.
 To find out this information yourself (and for other reasons), you'd like to be able to shell on to a node. I currently can't (I get permission denied requests). However, you can dispatch a shell command to a node through bsub though!
@@ Line 22: / Line 22: @@
 *The login node(s) have 2 dual-core Xeon 5150 chips @2.66Ghz, with 38G of RAM
 *cn-06 to cn-10 each have 2 quad-core Xeon 5570 chips @2.93Ghz with 48G of RAM
-*cn-11 has 16 cores with 196GB of RAM
+*cn-11 has 8 physical cores (16 cores through hyperthreading) with 196GB of RAM
 Previously, we also had:

@@ Line 17: / Line 17: @@
 The IP addresses of the nodes are:
 *Bear (login node): 128.32.67.85, 128.32.67.86, 192.168.1.42, 192.168.1.43, 10.1.1.42, 10.1.1.43
-*cn-05 to 11:  10.1.1.105 to 10.1.1.111
+*cn-06 to 11:  10.1.1.105 to 10.1.1.111
 The memory and chips are:

@@ Line 4: / Line 4: @@
 ==Bear==
-Bear is a 8 node research computing cluster. [http://groups.haas.berkeley.edu/HCS/research_computing/research-hwsw.html The official blurb] says that bear has two sets of 5 compute nodes, one set with 64Gb of RAM per node, and one with 16Gb of RAM per node. Nodes have dual core 3Ghz Xenon processors.
+Bear is a 8 node research computing cluster. [http://groups.haas.berkeley.edu/HCS/research_computing/research-hwsw.html The official blurb] is out of date (it still says that bear has two sets of 5 compute nodes, one set with 64Gb of RAM per node, and one with 16Gb of RAM per node). All nodes have dual core 3Ghz Xenon processors, except for cn-11 which has 16 cores.
-To find out this information yourself (and for other reasons), you'll like to be able to shell on to a node. I currently can't (I get permission denied requests). You can dispatch a shell command to a node through bsub though!
+To find out this information yourself (and for other reasons), you'd like to be able to shell on to a node. I currently can't (I get permission denied requests). However, you can dispatch a shell command to a node through bsub though!
 The following commands are valuable:
@@ Line 17: / Line 17: @@
 The IP addresses of the nodes are:
 *Bear (login node): 128.32.67.85, 128.32.67.86, 192.168.1.42, 192.168.1.43, 10.1.1.42, 10.1.1.43
-*cn-01 to 10:  10.1.1.101 to 10.1.1.110
+*cn-05 to 11:  10.1.1.105 to 10.1.1.111
 The memory and chips are:
 *The login node(s) have 2 dual-core Xeon 5150 chips @2.66Ghz, with 38G of RAM
 *(Disabled) cn-01 to cn-05 have 2 single core Xeon chips @3.2Ghz with 16G of RAM
 '''There are three ways of using bear''':

@@ Line 1: / Line 1: @@
-Haas research computing for PhD students currently consists of '''bear''' and '''phd-pgsql'''. This page details these resources.
+Haas research computing for PhD students currently consists of '''bear.haas.berkeley.edu''' and '''postgres.haas.berkeley.edu'''. This page details these resources.
 ==Bear==
-Bear is a 12 node research computing cluster. [http://groups.haas.berkeley.edu/HCS/research_computing/research-hwsw.html The official blurb] says that bear has two sets of 5 compute nodes, one set with 64Gb of RAM per node, and one with 16Gb of RAM per node. Nodes have dual core 3Ghz Xenon processors.
+Bear is a 8 node research computing cluster. [http://groups.haas.berkeley.edu/HCS/research_computing/research-hwsw.html The official blurb] says that bear has two sets of 5 compute nodes, one set with 64Gb of RAM per node, and one with 16Gb of RAM per node. Nodes have dual core 3Ghz Xenon processors.
 To find out this information yourself (and for other reasons), you'll like to be able to shell on to a node. I currently can't (I get permission denied requests). You can dispatch a shell command to a node through bsub though!

@@ Line 22: / Line 22: @@
 *The login node(s) have 2 dual-core Xeon 5150 chips @2.66Ghz, with 38G of RAM
 *(Disabled) cn-01 to cn-05 have 2 single core Xeon chips @3.2Ghz with 16G of RAM
-*cn-06 to cn-10 have 8 quad-core Xeon 5570 chips @2.93Ghz, with 48G of RAM
+*cn-06 to cn-10 each have 2? quad-core Xeon 5570 chips @2.93Ghz with 48G of RAM
 *cn-11 has 16 cores with 196GB of RAM

@@ Line 91: / Line 91: @@
 To decide which node to target, you'll need to know who is running what where. To get this list of jobs run by '''all''' '''u'''sers you type:
   bjobs -u all
 ====Languages====

@@ Line 152: / Line 152: @@
 Remember - Bear is your R drive, so the root of bear, when you login, is the root of your R drive!
-==PhD-PGSQL==
+==Postgres.Haas.Berkeley.Edu==
-'''phd-pgsql''' is a new and experimental database server for PhD students and faculty. It hosts a copy of PostgreSQL with support for R, Perl and C++ scripting inside of the RDMS. At present the server is being tested and new users are welcome. Those with permission can see the [[Haas PhD Server Configuration]] page to view the set-up.
+'''Postgres.Haas''' is a new and experimental database server for PhD students and faculty. It hosts a copy of PostgreSQL with support for R, Perl and C++ scripting inside of the RDMS.
 Details on how to work with this server are on the [[Working with PostgreSQL]] page.

@@ Line 85: / Line 85: @@
   bkill p_id
-You can set the memory allocation and target a node. Memory is in Kb, so 48Gigs is 50331648 (48 * 1024 * 1024) and 40G is 41943040. To target a node use the -m switch and the node name. Nodes cn-06 to cn-10 apparently have 48Gb.
+You can set the memory allocation and target a node. Memory is in Kb, so 48Gigs is 50331648 (48 * 1024 * 1024) and 40G is 41943040. To target a node use the -m switch and the node name. Nodes cn-06 to cn-10 have 48Gb (see the specs above).
   bsub -M 41943040 -m cn-06 -Is "..."