| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a memory system for quickening the retrieval processing of a management table, and for reducing memory quality required for the creation of the management table. <P>SOLUTION: This memory system is provided with: a forward-lookup first management table for managing information including second logical unit positions obtained by dividing second and third storage parts in first logical unit positions by fourth unit and link information to the entry of a second logical address; a forward-lookup second management table having a plurality of management tables for managing information including third logical unit positions obtained by dividing the second storage part in the first logical unit position of the second storage part by fifth unit and link information to the index of the fourth management table; a backward-lookup third management table for managing information including information related with the second logical address used by the second and the third storage parts; and a fourth management table for managing information including the third logical address by storing the link information to the third logical address of the second management table by third logical unit position in the first logical unit position of the second storage part. <P>COPYRIGHT: (C)2009,JPO&INPIT |
