When a power outage happens during the writing of a disc block, the block may only be partly written. Assume the detection of partly written blocks. A atomic block write is one in which the disc block...

Extracted text: When a power outage happens during the writing of a disc block, the block may only be partly written. Assume the detection of partly written blocks. A atomic block write is one in which the disc block is either completely written or not written at all (i.e., there are no partial writes). With the following RAID techniques, propose ways to achieve the effect of atomic block writes. Work on failure recovery should be included in your plans. 1st-tier RAID (mirroring)