Category:Kernel Category:Network Finally the Channelbonding Documentation has been rewritten. I hope its new structure helps answering the questions! Some illustr...
Cornell Speed Test Very brief test pulling /dev/zero from gridftp1.cac.cornell.edu to atlas2:/dev/null (units are bytes for tcp blocksize and MByte/s for speeds):...
This explains how to get FreeDOS working with TCP/IP and ssh. The Problem Sometimes, it is necessary to flash the BIOS, the IPMI card or to set the BIOS. For som...
Category:fai FAI is short for "Fully Automatic Installation". Installation List of important Files * /etc/fai/make fai nfsroot.conf add location of the Image...
For Users * General Introduction for Users * Useful Items * How ATLAS stores files * ErrorMessages and how to fix them (not updated) General Document...
How to use gridftp In general the remote site should be running a gsiftp server which will accept your user credentials (X.509 grid certificate). The full syntax ...
GlusterFS Abstract GlusterFS is a clustered file system capable of scaling to several peta bytes. It aggregates various storage bricks over Infiniband RDMA or TC...
Problems with h2 h2 is the machine which was up first and thus users like it and feel homely there; h1 came later and takes a bit of the load, but the main load i...
AEI/Han LDR box is 130.75.117.101 with user hanrobot. LDR is installed under /srv/LDR and before using it, you must source the appropriate files and also set the ...
A introduction to Channelbonding can be found here. Description Why? Round robin is the only way to get more than the speed of a single interface for a single T...
We have a pxe bootable live system to examine a node without touching the system on the harddrive. It is basically a self made chroot environment. usage * st...
llldd * TCP connection from CIT (or sites) to special receiver machine (possibly need root access for John Zweizig) possibly SL6???? * from there UDP multic...
ManagementSwitches Test on two kinds of management switches AlliedTelesis AT 750/48 and Linksys SRW248, both have 48 Ports 10/100T and 4 gigabit uplink ports. Al...
Myrycom Benchmarking We received two myricom NICs for evaluation 03:00.0 Ethernet controller: MYRICOM Inc. Myri 10G Dual Protocol NIC (10G PCIE 8A) These netperf ...
Category: Network NFS stays for Network File System. The available manuals are sufficient. If it does not work after following the instructions, it may help to r...
NUTTunnel This script should enable you to tunnel UDP connections from .102 to the UPS in the prototype hall: # cat nut tunnel.sh #!/bin/bash # this is ugly ...
Netcat Category:Network Netcat is a tool to generate network traffic. Send nc p sourceport destipaddr port and Recive nc l p listenport sourceipaddr port ...
Category : Network Overview NerPerf consists of two programms: * netperf, a command line tool to generate network traffic to a host * netserver, the daemon...
Category :Network Network Testing To ensure maximum network performance, we ran several tests. First only with a cable running between two nodes then with one or...
Netperf results back2back round 1 * netperf 2.4.4 (Debian) * no special compile options * no special command line options, only UDP_STREAM, TCP_STREAM, T...
Round 3 * same test as in round 2 (burst mode for TCP_RR, c C everywhere) * new this time: tso off for nic Setting eth1 tso off Setting tcp congestion c...
Netperf test with irqbalance userspace * same set up as in round 3, but with irqbalance user space daemon * virtually no change Setting eth1 tso off, ring ...
master script This script just uses dsh to call the various tests on the nodes. UDP_STREAM and TCP_STREAM are run first in single and in dual direction mode (with...
using iptables A gateway with two network cards conntects a LAN with WAN. This document describes, how to forward ports of nodes in the LAN to ports of the gatewa...
ProCurve Switch 1800 Specification Visit http://www.hp.com/rnd/products/switches/ProCurve_Switch_1800_Series/overview.htm for more detailed information on the 18...
Initial set up Nodes o460 o498 (except o467) and nodes o536/o537 are connected to TRX100 1. Nodes o499 o530 and o538 o545 are connected to TRX100 2. Plan: The EFX...