* @return The maximum number of retries for failed blocks, or
* <code>-1</code> for unlimited retries, or <code>-2</code> if the
* number of retries could not be parsed
* @return The maximum number of retries for failed blocks, or
* <code>-1</code> for unlimited retries, or <code>-2</code> if the
* number of retries could not be parsed