Data from truncated CF reappears after server restart

// Run Stress Tool to generate 10 keys, 1 column
stress --operation=INSERT -t 2 --num-keys=50 --columns=20 --consistency-level=QUORUM --average-size-values --replication-factor=3 --create-index=KEYS --nodes=cathy1,cathy2

// Verify 50 keys in CLI
use Keyspace1; 
list Standard1; 

// TRUNCATE CF in CLI
use Keyspace1;
truncate counter1;
list counter1;

// Run stress tool and verify creation of 1 key with 10 columns
stress --operation=INSERT -t 2 --num-keys=1 --columns=10 --consistency-level=QUORUM --average-size-values --replication-factor=3 --create-index=KEYS --nodes=cathy1,cathy2

// Verify 1 key in CLI
use Keyspace1; 
list Standard1; 

// Restart all three nodes

// You will see 51 keys in CLI
use Keyspace1; 
list Standard1;