From 5fc6885af28d4c64cc73a61a1cde9e5584201a6a Mon Sep 17 00:00:00 2001
From: Jose Rojas <jmrojas2332@gmail.com>
Date: Thu, 24 Sep 2020 19:49:37 -0500
Subject: [PATCH] MCOL-4314 shared storage manager prevent data corruption on
 init

---
 oam/install_scripts/mariadb-columnstore-start.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/oam/install_scripts/mariadb-columnstore-start.sh b/oam/install_scripts/mariadb-columnstore-start.sh
index 733ed4fdf..aaeaacd7e 100644
--- a/oam/install_scripts/mariadb-columnstore-start.sh
+++ b/oam/install_scripts/mariadb-columnstore-start.sh
@@ -5,7 +5,7 @@
 # prevent nodes using shared storage manager from stepping on each other when initializing
 # flock will open up an exclusive file lock to run atomic operations
 exec {fd_lock}>/var/lib/columnstore/storagemanager/storagemanager-lock
-flock -x "$fd_lock"
+flock -n "$fd_lock" || exit 0
 
 /bin/systemctl start mcs-workernode
 /bin/systemctl start mcs-controllernode