From: Fabio M. Di Nitto fdini...@redhat.com
Resolves: rhbz#842370
Signed-off-by: Fabio M. Di Nitto fdini...@redhat.com
---
cman/init.d/cman.in | 28
cman/init.d/cman.init.defaults.in |7 +++
2 files changed, 35 insertions(+), 0 deletions(-)
diff --git a/cman/init.d/cman.in b/cman/init.d/cman.in
index 9a0d726..9de349d 100644
--- a/cman/init.d/cman.in
+++ b/cman/init.d/cman.in
@@ -110,6 +110,13 @@ fi
# DLM_CONTROLD_OPTS -- allow extra options to be passed to dlm_controld daemon.
[ -z $DLM_CONTROLD_OPTS ] DLM_CONTROLD_OPTS=
+# DLM_LKBTBL_SIZE - DLM_RSBTBL_SIZE - DLM_DIRTBL_SIZE
+# Allow tuning of DLM kernel hash table sizes.
+# do NOT change unless instructed to do so.
+[ -z $DLM_LKBTBL_SIZE ] DLM_LKBTBL_SIZE=
+[ -z $DLM_RSBTBL_SIZE ] DLM_RSBTBL_SIZE=
+[ -z $DLM_DIRTBL_SIZE ] DLM_DIRTBL_SIZE=
+
# FENCE_JOIN_TIMEOUT -- seconds to wait for fence domain join to
# complete. If the join hasn't completed in this time, fence_tool join
# exits with an error, and this script exits with an error. To wait
@@ -706,6 +713,23 @@ leave_fence_domain()
fi
}
+tune_dlm_hash_sizes()
+{
+ dlmdir=/sys/kernel/config/dlm/cluster
+
+ [ -n $DLM_LKBTBL_SIZE ] [ -f $dlmdir/lkbtbl_size ] \
+ echo $DLM_LKBTBL_SIZE $dlmdir/lkbtbl_size
+
+ [ -n $DLM_RSBTBL_SIZE ] [ -f $dlmdir/rsbtbl_size ] \
+ echo $DLM_RSBTBL_SIZE $dlmdir/rsbtbl_size
+
+ [ -n $DLM_DIRTBL_SIZE ] [ -f $dlmdir/dirtbl_size ] \
+ echo $DLM_DIRTBL_SIZE $dlmdir/dirtbl_size
+
+ return 0
+}
+
+
start()
{
currentaction=start
@@ -773,6 +797,10 @@ start()
none \
Starting dlm_controld
+ runwrap tune_dlm_hash_sizes \
+ none \
+ Tuning DLM kernel hash tables
+
runwrap start_gfs_controld \
none \
Starting gfs_controld
diff --git a/cman/init.d/cman.init.defaults.in
b/cman/init.d/cman.init.defaults.in
index 1b7913e..bbaa049 100644
--- a/cman/init.d/cman.init.defaults.in
+++ b/cman/init.d/cman.init.defaults.in
@@ -34,6 +34,13 @@
# DLM_CONTROLD_OPTS -- allow extra options to be passed to dlm_controld daemon.
#DLM_CONTROLD_OPTS=
+# DLM_LKBTBL_SIZE - DLM_RSBTBL_SIZE - DLM_DIRTBL_SIZE
+# Allow tuning of DLM kernel hash table sizes.
+# do NOT change unless instructed to do so.
+#DLM_LKBTBL_SIZE=
+#DLM_RSBTBL_SIZE=
+#DLM_DIRTBL_SIZE=
+
# FENCE_JOIN_TIMEOUT -- seconds to wait for fence domain join to
# complete. If the join hasn't completed in this time, fence_tool join
# exits with an error, and this script exits with an error. To wait
--
1.7.7.6
