Please check the execution process for errors?
try the server to do a snapshot backup and then operate
/etc/init.d/mysqld stop
cd /www/server/data/
mv ibdata1 /tmp/ibdata1.bak5
mv ib_logfile0 /tmp/ib_logfile0.bak5
mv ib_logfile1 /tmp/ib_logfile1.bak5
/etc/init.d/mysqld restart