Distributed storage systems can support cabinet-level security, that is, by configuring the EC redundancy mechanism, N data blocks and M check blocks are stored in different cabinets. It can allow M…

Distributed storage systems can support cabinet-level security, that is, by configuring the EC redundancy mechanism, N data blocks and M check blocks are stored in different cabinets. It can allow M nodes or M hard disks to fail, and the system can still read and write data normally without interrupting business.