Air Raid Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2704 Accepted Submission(s): 1762 Problem Description Consider a town where all the streets are one-way and each street leads from on…
RAID: old Redundant Arrays of Inexpensive Disks (廉价磁盘冗余阵列) new Redundant Arrays of Independent Disks (独立磁盘冗余阵列) Berkeley: A case for Redundent Arrays of Inexpensive Disks RAID 功能: 提高IO能力:磁盘并行读写: 提高耐用性:磁盘冗余来实现.但是raid不能取代数据备份,raid只是减少磁盘对于数据的影响.人为操作数据无法…