Preserving data risls consistency safety c/c 花5 Data consistency Risks of data loss and corruption ②Data consistency oChecksums ●Block checksums Data safety Conclusion chsum block 9/43 S.Ponce-CERNPreserving data 9 / 43 S. Ponce - CERN risks consistency safety c/c cksum block Data consistency 1 Risks of data loss and corruption 2 Data consistency Checksums Block checksums 3 Data safety 4 Conclusion