DE69127895T2 - Logisches spurschreibzuordnungssystem für paralleles plattenlaufwerksmatrixdatenspeicherungsuntersystem - Google Patents

Logisches spurschreibzuordnungssystem für paralleles plattenlaufwerksmatrixdatenspeicherungsuntersystem

Info

Publication number
DE69127895T2
DE69127895T2 DE69127895T DE69127895T DE69127895T2 DE 69127895 T2 DE69127895 T2 DE 69127895T2 DE 69127895 T DE69127895 T DE 69127895T DE 69127895 T DE69127895 T DE 69127895T DE 69127895 T2 DE69127895 T2 DE 69127895T2
Authority
DE
Germany
Prior art keywords
data storage
disk drive
virtual
storage subsystem
writing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69127895T
Other languages
English (en)
Other versions
DE69127895T4 (de
DE69127895D1 (de
Inventor
Charles Milligan
George Rudeseal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Storage Technology Corp
Original Assignee
Storage Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24026794&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69127895(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Storage Technology Corp filed Critical Storage Technology Corp
Application granted granted Critical
Publication of DE69127895T2 publication Critical patent/DE69127895T2/de
Publication of DE69127895T4 publication Critical patent/DE69127895T4/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1076—Parity data used in redundant arrays of independent storages, e.g. in RAID systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2094—Redundant storage or storage space
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2002—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant
    • G06F11/2007—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant using redundant communication media
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2002—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant
    • G06F11/2007—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant using redundant communication media
    • G06F11/201—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant using redundant communication media between storage system components
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2089—Redundant storage control functionality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
    • G06F3/0671—In-line storage system
    • G06F3/0673—Single storage device
DE69127895T 1990-04-16 1991-04-05 Logisches spurschreibzuordnungssystem für paralleles plattenlaufwerksmatrixdatenspeicherungsuntersystem Expired - Lifetime DE69127895T4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/509,484 US5124987A (en) 1990-04-16 1990-04-16 Logical track write scheduling system for a parallel disk drive array data storage subsystem
PCT/US1991/002358 WO1991016711A1 (en) 1990-04-16 1991-04-05 Logical track write scheduling system for a parallel disk drive array data storage subsystem

Publications (2)

Publication Number Publication Date
DE69127895T2 true DE69127895T2 (de) 1998-04-02
DE69127895T4 DE69127895T4 (de) 1998-07-16

Family

ID=24026794

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69127895A Expired - Fee Related DE69127895D1 (de) 1990-04-16 1991-04-05 Logisches spurschreibzuordnungssystem für paralleles plattenlaufwerksmatrixdatenspeicherungsuntersystem
DE69127895T Expired - Lifetime DE69127895T4 (de) 1990-04-16 1991-04-05 Logisches spurschreibzuordnungssystem für paralleles plattenlaufwerksmatrixdatenspeicherungsuntersystem

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69127895A Expired - Fee Related DE69127895D1 (de) 1990-04-16 1991-04-05 Logisches spurschreibzuordnungssystem für paralleles plattenlaufwerksmatrixdatenspeicherungsuntersystem

Country Status (8)

Country Link
US (1) US5124987A (de)
EP (1) EP0526487B1 (de)
JP (1) JP3302688B2 (de)
AT (1) ATE159110T1 (de)
AU (1) AU654482B2 (de)
CA (1) CA2080579C (de)
DE (2) DE69127895D1 (de)
WO (1) WO1991016711A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19903963B4 (de) * 1998-06-03 2007-06-14 Mitsubishi Denki K.K. Datenübertragungsanordnung und -verfahren

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AU654482B2 (en) 1994-11-10
EP0526487A1 (de) 1993-02-10
CA2080579C (en) 2000-01-25
WO1991016711A1 (en) 1991-10-31
DE69127895T4 (de) 1998-07-16
JP3302688B2 (ja) 2002-07-15
AU7651391A (en) 1991-11-11
CA2080579A1 (en) 1991-10-17
US5124987A (en) 1992-06-23
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