From 3f8665d5f34fd636760dada56127ac47876d6b04 Mon Sep 17 00:00:00 2001 From: Hal Rosenstock Date: Thu, 27 Jun 2013 19:56:18 +0300 Subject: [PATCH] Add description of preloading GID and LID destination caches to acm_notes.txt Signed-off-by: Hal Rosenstock Signed-off-by: Sean Hefty --- acm_notes.txt | 16 ++++++++++++---- man/ibacm.1 | 2 +- 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/acm_notes.txt b/acm_notes.txt index 075bc6e..fac0920 100644 --- a/acm_notes.txt +++ b/acm_notes.txt @@ -119,11 +119,19 @@ the multicast group that was selected to construct or obtain path record data, which is returned to the client. The current implementation of the IB ACM has several additional restrictions: -- The ib_acm is limited in its handling of dynamic changes; - the ib_acm must be stopped and restarted if a cluster is reconfigured. -- Cached data does not timed out and is only updated if a new resolution - request is received from a different QPN than a cached request. +- The ibacm is limited in its handling of dynamic changes; + the ibacm should be stopped and restarted if a cluster is reconfigured. - Support for IPv6 has not been verified. - The number of addresses that can be assigned to a single endpoint is limited to 4. - The number of multicast groups that an endpoint can support is limited to 2. + +The ibacm contains several internal caches. These include caches for +GID and LID destination addresses. These caches can be optionally +preloaded. ibacm supports the OpenSM dump_pr plugin "full" PathRecord +format which is used to preload these caches. The file format is specified +in the ibacm_opts.cfg file via the route_preload setting which should +be set to opensm_full_v1 for this file format. Default format is +none which does not preload these caches. See dump_pr.notes.txt in dump_pr +for more information on the opensm_full_v1 file format and how to configure +OpenSM to generate this file. diff --git a/man/ibacm.1 b/man/ibacm.1 index 9df6062..ec97b35 100644 --- a/man/ibacm.1 +++ b/man/ibacm.1 @@ -152,7 +152,7 @@ preloaded. ibacm supports the OpenSM dump_pr plugin "full" PathRecord format which is used to preload these caches. The file format is specified in the ibacm_opts.cfg file via the path_rec_fmt parameter which should be set to full_opensm_v1 for this file -format. Default is none which does not preload these caches. +format. Default format is none which does not preload these caches. See dump_pr.notes.txt in dump_pr for more information on the full_opensm_v1 file format and how to configure OpenSM to generate this file. -- 2.46.0