[Pkg-ofed-commits] r351 - /trunk/howto/infiniband-howto.sgml

[gmpc-guest at alioth.debian.org]

Author: gmpc-guest
Date: Wed Jun  3 15:10:43 2009
New Revision: 351

URL: http://svn.debian.org/wsvn/pkg-ofed/?sc=1&rev=351
Log:
Add permissions section.

Modified:
    trunk/howto/infiniband-howto.sgml

Modified: trunk/howto/infiniband-howto.sgml
URL: http://svn.debian.org/wsvn/pkg-ofed/trunk/howto/infiniband-howto.sgml?rev=351&op=diff
==============================================================================
--- trunk/howto/infiniband-howto.sgml (original)
+++ trunk/howto/infiniband-howto.sgml Wed Jun  3 15:10:43 2009
@@ -20,8 +20,8 @@
 
 Source is kept in the SVN repository:
 
-<url url="http://svn.debian.org/wsvn/pkg-ofed/trunk"
-name="http://svn.debian.org/wsvn/pkg-ofed/trunk">
+<url url="http://svn.debian.org/wsvn/pkg-ofed/"
+name="http://svn.debian.org/wsvn/pkg-ofed/">
 
 
 <sect1>What is OFED?
@@ -538,8 +538,19 @@
 
 <sect1>Check permissions and limits
 <p>
-Uses who want to run MPI jobs will need to be placed into the rdma group to enable them to 
-have write access to /dev/infiniband/uverbs* and /dev/infiniband/rdma_cm*.
+Uses who want to run MPI jobs will need to have write permissions for the following devices:
+<tscreen>
+ /dev/infiniband/uverbs*
+/dev/infiniband/rdma_cm*
+</tscreen>
+The simplest way to do this is to add the users to the rdma group. If that is not suitiable for
+your site, you can change the permissions and ownership of these devices by editing the following
+udev rules:
+<tscreen>
+/etc/udev/rules.d/50-udev.rules
+/etc/udev/rules.d/91-permissions.rules
+</tscreen>
+
 <p>
 OpenMPI will need to pin memory. Edit /etc/security/limits.conf and add the line:
 <tscreen>
@@ -828,8 +839,8 @@
 <tscreen>
 <verb>
  cd lustre-source
- ./configure --with-o2ib=/usr/src/modules/ofa-kernel  --with-linux=/path/to/linux-2.6.22.19 \
- ... --other-options
+ ./configure --with-o2ib=/usr/src/modules/ofa-kernel  --with-linux=/path/to/patched/linux/source \
+ --other-options
 </verb>
 </tscreen>