void initMetrics() {
    metrics = rocksDBMetricsFactory.create(metricsSystem, configuration, getDB(), stats);
  }
Parse RocksDBException and wrap in StorageException

@param ex RocksDBException
@param defaultSegments segments requested to open
@param ignorableSegments segments which are ignorable if not present
@return StorageException wrapping the RocksDB Exception
plugins/rocksdb/src/main/java/org/hyperledger/besu/plugin/services/storage/rocksdb/segmented/RocksDBColumnarKeyValueStorage.java