cluster: RHEL59 - cman init: allow dlm hash table sizes to be tunable at startup

Gitweb: http://git.fedorahosted.org/git/?p=cluster.git;a=commitdiff;h=332db7754d6... Commit: 332db7754d6210991c34be056789aa1b33b26a0a Parent: 77bb92ad9dbad9c8755e45211214ab1e099cdb0e Author: Fabio M. Di Nitto <fdinitto(a)redhat.com&gt; AuthorDate: Tue Jul 24 08:55:27 2012 +0200 Committer: Fabio M. Di Nitto <fdinitto(a)redhat.com&gt; CommitterDate: Tue Jul 24 08:55:27 2012 +0200 cman init: allow dlm hash table sizes to be tunable at startup Resolves: rhbz#836963 Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com&gt; --- cman/init.d/cman | 43 ++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 42 insertions(+), 1 deletions(-) diff --git a/cman/init.d/cman b/cman/init.d/cman index 4727d22..2101eb7 100755 --- a/cman/init.d/cman +++ b/cman/init.d/cman @@ -297,6 +297,37 @@ fence_join_enabled() fi } +tune_dlm_hash_sizes() +{ + dlmdir="/sys/kernel/config/dlm/cluster" + maxloop=21 + + if [ -z "$DLM_LKBTBL_SIZE" ] && \ + [ -z "$DLM_RSBTBL_SIZE" ] && \ + [ -z "$DLM_DIRTBL_SIZE" ]; then + return 0 + fi + for i in $(seq 1 $maxloop); do + if [ -d $dlmdir ]; then + break + fi + sleep 0.5 + done + if [ "$i" = "$maxloop" ]; then + return 1 + fi + if [ -n "$DLM_LKBTBL_SIZE" ]; then + echo $DLM_LKBTBL_SIZE > $dlmdir/lkbtbl_size + fi + if [ -n "$DLM_RSBTBL_SIZE" ]; then + echo $DLM_RSBTBL_SIZE > $dlmdir/rsbtbl_size + fi + if [ -n "$DLM_DIRTBL_SIZE" ]; then + echo $DLM_DIRTBL_SIZE > $dlmdir/dirtbl_size + fi + return 0 +} + start() { echo "Starting cluster: " @@ -391,7 +422,17 @@ start() return 1 fi fi - + + echo -n " Tuning DLM... " + tune_dlm_hash_sizes + if [ $? -eq 0 ] + then + echo "done" + else + echo "failed" + return 1 + fi + return 0 }