sentences:  Advantages include lower power consumption than standard RAID levels, the ability to use multiple hard drives with differing sizes to their full capacity and in the event of multiple concurrent hard drive failures (exceeding the redundancy), only losing the data stored on the failed hard drives compared to standard RAID levels which offer striping in which case all of the data on the array is lost when more hard drives fail than the redundancy can handle.In OpenBSD, CRYPTO is an encrypting discipline for the softraid subsystem.It encrypts data on a single chunk to
  provide for data confidentiality.