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MCOL-4314 Related. Add shared dbroot1 synchronization

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This commit is contained in:
Jose Rojas
2020-10-01 15:48:27 -05:00
parent d4b33b072e
commit 49e3d76db1
1 changed files with 10 additions and 1 deletions
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11
oam/install_scripts/columnstore-post-install.in
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@@ -318,12 +318,21 @@ if [ $? -eq 0 ] && [ $(running_systemd) -eq 0 ]; then
chown -R mysql:mysql /var/lib/columnstore/storagemanager chown -R mysql:mysql /var/lib/columnstore/storagemanager
IFLAG=/var/lib/columnstore/storagemanager/storagemanager-lock IFLAG=/var/lib/columnstore/storagemanager/storagemanager-lock
# prevent nodes using shared storage manager from stepping on each other when initializing # shared dbroot1 synchronization
# prevents dbbuilder from processing simultaneously on two or more nodes
exec {fd_lock}>/var/lib/columnstore/data1/dbroot1-lock
flock -x "$fd_lock"
# shared storagemanager data corruption prevention
# intially, a node is in a single node setting and takes ownership of storagemanager
# prevent nodes using shared storage manager from stepping on each other
# if storagemanager-lock already exists, we have already initialized # if storagemanager-lock already exists, we have already initialized
if [ ! -e $IFLAG ]; then if [ ! -e $IFLAG ]; then
echo "Populating the engine initial system catalog." echo "Populating the engine initial system catalog."
systemctl start mariadb-columnstore systemctl start mariadb-columnstore
fi fi
flock -u "$fd_lock"
fi fi
if [ $stop_mysqld -eq 1 ];then if [ $stop_mysqld -eq 1 ];then