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Increasing spare space in memory to extend lifetime of memory

A technology of memory and storage device, applied in the field of memory

Inactive Publication Date: 2010-12-22
SEAGATE TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the prior art, more data is written due to the collection of old data (eg, garbage) than the amount of data written by the host computer

Method used

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  • Increasing spare space in memory to extend lifetime of memory
  • Increasing spare space in memory to extend lifetime of memory
  • Increasing spare space in memory to extend lifetime of memory

Examples

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Embodiment Construction

[0021] Figure 1A A method 110 for extending memory lifetime is shown, according to one embodiment. Increase the spare space of the memory as shown in the figure. See operation 112. In addition, since the spare space in the memory is increased, the lifetime of the memory can be extended. See operation 114.

[0022] In the context of this specification, the lifetime of a memory may include any duration of time during which the memory exhibits any desired degree of availability. For example, in various embodiments, such lifetimes may include, but are not limited to, expected lifetimes, actual lifetimes, estimated lifetimes, and the like. Furthermore, availability may refer to any availability-related parameter, such as the percentage of components (eg, blocks, units, etc.) still operable, their memory or reliability of components, and / or other parameters related thereto.

[0023] Also, in the context of this specification, a spare space of a memory refers to any space (eg, b...

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PUM

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Abstract

A system, method, and computer program product are provided for extending a lifetime of memory. In operation, spare space in memory is increased. Additionally, a lifetime of the memory is extended, as a result of increasing the spare space in the memory.

Description

technical field [0001] The present invention relates to memories, and more particularly to memories having a finite lifetime. Background technique [0002] In the prior art, memory systems include non-volatile memory (eg, flash memory, etc.), which must be erased before writing. Specifically, when a portion of the stored data changes, the entire corresponding block of memory is read, then that block is erased, and the data is edited to reflect the change, after which the entire block of memory can be written with new data . Therefore, for example, when writing to a 4KB page of the memory, it is necessary to write to 512KB of the memory. [0003] Some prior art techniques have been developed for sequentially grouping data writes, thereby reducing the need for the amount of data that must be written. However, this technique has drawbacks in systems with pervasive random writes (eg, in database systems, etc.). [0004] Furthermore, some prior art techniques have addressed t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/00
CPCG06F2212/1044G06F2212/401G06F2212/1036G06F12/0246G06F2212/7206G06F2212/7204G06F2212/7205G06F3/0616G06F3/064G06F3/0644G06F3/0679G06F3/0608G06F3/0641G06F3/0659
Inventor 拉多斯拉夫·达尼拉克
Owner SEAGATE TECH LLC