2 ms·

If you don't test your backups, then they're not backups.

• jjn2009 9y ago
  yup, the assertion that both failing is highly unlikely is under the assumption that you are checking the status of each copy regularly.
  • cm2187 9y ago
    In fact for any disk, it is important to have a script that reads all the data at least every couple of months. It will force the bad sectors to be identified or to be notified you have a bad disk before things get worse.