JPS5797158A - Space assigning method of magnetic disk device - Google Patents

Space assigning method of magnetic disk device

Info

Publication number
JPS5797158A
JPS5797158A JP55173083A JP17308380A JPS5797158A JP S5797158 A JPS5797158 A JP S5797158A JP 55173083 A JP55173083 A JP 55173083A JP 17308380 A JP17308380 A JP 17308380A JP S5797158 A JPS5797158 A JP S5797158A
Authority
JP
Japan
Prior art keywords
staging
space
access
pack
mass storage
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.)
Pending
Application number
JP55173083A
Other languages
Japanese (ja)
Inventor
Hajime Sugiura
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP55173083A priority Critical patent/JPS5797158A/en
Publication of JPS5797158A publication Critical patent/JPS5797158A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

PURPOSE:To equalize a load of each staging back, by monitoring the number of times of access to each staging pack, and assigning a space to a staging pack whose number of times of access is few. CONSTITUTION:A CPU1 accesses plural stage packs 2-1-2-n through a staging discontroller 3. A space of staging packs 2-1-2-n is assigned by a mass storage controller 4. Whenever the CPU1 requests an input or an output to a stage pack system, one of I/O counters 23-1-23-n is counted up. The mass storage controller 4 reads these counting values. In this way, the mass storage controller 4 always monitors the number of times of access of each staging pack 2-1-2-n, and assigns a space to a stage pack whose number of times of access is few.
JP55173083A 1980-12-10 1980-12-10 Space assigning method of magnetic disk device Pending JPS5797158A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55173083A JPS5797158A (en) 1980-12-10 1980-12-10 Space assigning method of magnetic disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55173083A JPS5797158A (en) 1980-12-10 1980-12-10 Space assigning method of magnetic disk device

Publications (1)

Publication Number Publication Date
JPS5797158A true JPS5797158A (en) 1982-06-16

Family

ID=15953886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55173083A Pending JPS5797158A (en) 1980-12-10 1980-12-10 Space assigning method of magnetic disk device

Country Status (1)

Country Link
JP (1) JPS5797158A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0659957A (en) * 1991-06-27 1994-03-04 Digital Equip Corp <Dec> Filing system for storing data and method for allocating memory space

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0659957A (en) * 1991-06-27 1994-03-04 Digital Equip Corp <Dec> Filing system for storing data and method for allocating memory space

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