10.chap10 file systemsimlementation

CHÖÔNG 10: HIEÄN THÖÏC HEÄ THOÁNG FILE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],CAÁU TRUÙC ÑÓA CÖÙNG

CAÁU TRUÙC HEÄ THOÁNG FILE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MINH HOÏA CAÁU TRUÙC HEÄ THOÁNG FILE

CAÁP PHAÙT VUØNG LÖU TRÖÕ LIEÂN TUÏC ( C ontiguous Allocation ) ` ,[object Object],[object Object],[object Object],[object Object],[object Object]

CAÁP PHAÙT VUØNG LÖU TRÖÕ THEO LIEÂN KEÁT ( Linked Allocation ) ,[object Object],[object Object],[object Object]

FILE ALLOCATION TABLE (FAT) ,[object Object],[object Object]

CAÁP PHAÙT VUØNG LÖU TRÖÕ THEO CHÆ SOÁ ( Indexed Allocation ) ,[object Object],[object Object]

LÖU TRÖÕ BAÛNG CHÆ SOÁ CUÛA FILE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

HEÄ THOÁNG FILE CUÛA UNIX ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

CAÁU TRUÙC I-NODE CUÛA BSD UNIX ,[object Object]

I-NODE CUÛA THÖ MUÏC ,[object Object],[object Object],Os02 21 Os01 20 hung 15 .. 2 . 10 Teân file / thö muïc con Chæ soá i-node usr 12 home 10 etc 5 .. 2 . 2 Teân file / thö muïc con Chæ soá i-node

QUAÛN LYÙ VUØNG TROÁNG (1/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

QUAÛN LYÙ VUØNG TROÁNG (2/2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],1 4 3 2 5 8 7 6 9 12 11 10 13 16 15 14 17 20 19 18 17 18 Vuøng troáng Vuøng ñaõ caáp phaùt 17

ÑOÄ HIEÄU QUAÛ/ HIEÄU SUAÁTÛ CUÛA HEÄ THOÁNG FILE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SAO LÖU VAØ PHUÏC HOÀI DÖÕ LIEÄU ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

RAID ( Redundant Array of Inexpensive Disks ) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

RAID-0 ,[object Object],[object Object],[object Object],[object Object]

BAØI TAÄP ,[object Object],[object Object],[object Object]

10.chap10 file systemsimlementation

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