Patent ID: 6026463
Filing Date: 2000-02-15
Classification: G06F,G11B

Abstract:
A method of storing data on a disk storage device comprising:receiving a data transfer command that includes data and a logical address;determining whether the logical address is within a first logical address range or a second logical address range,wherein the first logical address range has a corresponding first physical address range and the second logical address range has a corresponding second physical address range,wherein data is transferred at a plurality of rates, including a first, higher data transfer rate and a second, lower data transfer rate, and wherein data having a logical address in the first logical address range is deemed not to require the first higher data transfer rate; andif the logical address is within the first logical address range or the second logical address range, thenperforming a standard logical to physical translation on the logical address to produce a corresponding physical address; andperforming a substitution translation on the corresponding physical address;such that data having a logical address within the first logical address range is stored in the second physical address range and data having a logical address within the second logical address range is stored in the first physical address range.