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Electronic storage system utilizing a predetermined flag for subsequent processing of each predetermined portion of data requested to be stored in the storage system
US9348704B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9348704-B2 |
| Application number | US-201314426790-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 24, 2013 |
| Priority date | Dec 24, 2013 |
| Publication date | May 24, 2016 |
| Grant date | May 24, 2016 |
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- Title
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Abstract
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A storage system 100 includes a storage apparatus 125 and a storage controller 115 configured to control the storage apparatus. The storage controller adds a predetermined flag 425 to every predetermined size of data requested by a host computer to be written to the storage system, and stores the resultant data in a cache memory 278 C. Upon detecting a predetermined trigger for saving, the storage controller stores, in a nonvolatile memory 284 , data with the flag added thereto out of the data stored in the cache memory. The storage controller detects, as unsaved data information 620 , a data size and a storage location for data with no flag added thereto out of the data on the cache memory, and stores the detected unsaved data information in the nonvolatile memory in association with the data with the flag added thereto.
First claim
Opening claim text (preview).
The invention claimed is: 1. A storage system coupled to a host computer, comprising: a storage apparatus configured to store data written by a host computer; and a storage controller configured to control the storage apparatus, the storage controller including a microprocessor, a cache memory used by the microprocessor, and a nonvolatile memory coupled to the cache memory, wherein the storage controller is configured to: add a predetermined flag to every predetermined siz…
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Physics · mapped topic
Physics · mapped topic
- G06F11/1451Primary
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
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- What does patent US9348704B2 cover?
- A storage system 100 includes a storage apparatus 125 and a storage controller 115 configured to control the storage apparatus. The storage controller adds a predetermined flag 425 to every predetermined size of data requested by a host computer to be written to the storage system, and stores the resultant data in a cache memory 278 C. Upon detecting a predetermined trigger for saving,…
- Who is the assignee on this patent?
- Hitachi Ltd
- What technology area does this patent fall under?
- Primary CPC classification G06F11/1451. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue May 24 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).