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Special Forums News, Links, Events and Announcements Software Releases - RSS News lustre 1.6.6 (Development branch) Post 302289090 by shaider on Wednesday 18th of February 2009 05:20:03 PM
Old 02-18-2009
configuring lustre1.6.6smp on Centos5.2

I'm in dire need of help. I've been assigned with this task and I have very little time and knowledge of lustre. Here's what I need to accomplish:
4 OSS's (connected to DDN controllers via 4gb fiber)
1 MDS/MGS
and 30 clients
The server hardware is as follows:
ibm e326 servers with infiniband (ib) cards

I attempted to follow the lustre manual but I'm failing at configuring lnet. I installed all the proper rpms however and added the following line to modprobe.conf:

options lnet networks=tcp0(ib0)

can someone confirm this line is correct? The infiniband interface is ib0 and we're using IP.

Secondly, what do I need to do to configure the MDS/MGS? I ran mkfs.lustre on my /dev/sda and it fails stating that it is in use by the system. Do need to create a partition? what size should I make it. If anyone out there can help I would really appreciate it!

Thanks!
 
dtest(1)							   USER COMMANDS							  dtest(1)

NAME
dtest - simple uDAPL send/receive and RDMA test SYNOPSIS
dtest [-P provider] [-b buf size] [-B burst count][-v] [-c] [-p] [-d] [-s] dtest [-P provider] [-b buf size] [-B burst count][-v] [-c] [-p] [-d] [-h HOSTNAME] DESCRIPTION
dtest is a simple test used to exercise and verify the uDAPL interfaces. At least two instantiations of the test must be run. One acts as the server and the other the client. The server side of the test, once invoked listens for connection requests, until timing out or killed. Upon receipt of a cd connection request, the connection is established, the server and client sides exchange information necessary to per- form RDMA writes and reads. OPTIONS
-P=PROVIDER use PROVIDER to specify uDAPL interface using /etc/dat.conf (default OpenIB-cma) -b=BUFFER_SIZE use buffer size BUFFER_SIZE for RDMA(default 64) -B=BURST_COUNT use busrt count BURST_COUNT for interations (default 10) -v, verbose output(default off) -c, use consumer notification events (default off) -p, use polling (default wait for event) -d, delay in seconds before close (default off) -s, run as server (default - run as server) -h=HOSTNAME use HOSTNAME to specify server hostname or IP address (default - none) EXAMPLES
dtest -P OpenIB-cma -v -s Starts a server process with debug verbosity using provider OpenIB-cma. dtest -P OpenIB-cma -h server1-ib0 Starts a client process, using OpenIB-cma provider to connect to hostname server1-ib0. SEE ALSO
dapltest(1) AUTHORS
Arlin Davis <ardavis@ichips.intel.com> BUGS
uDAPL 1.2 February 23, 2007 dtest(1)
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