Yog hais tias lub qhov rais tau kuaj ib tug nyuaj tsav teeb meem ...

Nyob rau hauv lub ntiaj teb no, peb yog tag nrho cov nyob rau ntaub ntawv. Nyeem cov xov xwm, saib movies, mloog suab paj nruag, thiab lwm yam Tag nrho cov uas nyiam peb, thiab zoo li peb, peb ua raws li nyob rau hauv lub zog drives ntawm peb computers thiab laptops. Yog, thiab ris nrog nqi lus no kuj muab muaj. Tam sim no los yog yav tom ntej, txhua txhua tsav nyuab yuav emit ominous clicks, rattles los yog squeaks, thiab ces tsis kam mus ua hauj lwm. Lub saddest tshaj plaws nyob rau hauv no - tsis muaj nqi hauv cov ntaub ntawv, uas tsis yog ib txwm tau mus zoo. Yog li ntawd, peb yuav tsis nco, thaum txoj kev no yog cia li pib. Feem ntau koj lub cev hais tias lub qhov rais tau kuaj ib tug nyuaj tsav teeb meem.

Yog hais tias koj pom xws li ib tug lus, nws yuav ua tau ib tug ntau yam ntawm kho vajtse tsis ua hauj lwm rau ib los yog ntau hard disk drives. Lawv tawg (phem) hard drive sectors uas muaj arisen raws li ib tug tshwm sim ntawm kev puas tsuaj rau lub teeb taw tes ntawm cov phiaj. lawv kuj yuav tsum tau puas vim lub fact tias rau lawv yog tsis muaj kev koom tes saib. Yuav ua li cas yog nws manifested? Koj yuav pom ib tug tsis ruaj tsis khov thiab kom cia koj disk yuav tseg sau uas tsis tshwm sim rau nws. Kho nyuaj tsav nyob rau hauv cov ntaub ntawv no yuav los thaiv lub software puas chaw thiab redirect rau muaj qhov chaw ntawm lub hard drive.

Yog hais tias muaj yog ib tug loj tus naj npawb ntawm phem sectors, thiab tej zaum pops ib cov lus hais tias qhov rais tau kuaj ib tug nyuaj tsav teeb meem, peb ntseeg tau pom zoo kom hais tias raws li sai li sai tau los hloov tus tshiab ntaus ntawv, thaum tsis nco qab kom txuag tau tus nqi lus. Yog hais tias cov ntaub ntawv yuav tsis tsum nyeem, hu rau lub chaw muab kev pab. Muaj, nrog rau cov kev pab tshwj xeeb software thiab kho vajtse tshuab, nrhiav cov ntaub ntawv tsis. Nws yog tsis tsim nyog los kho HDD tus kheej txhais tes. Qhov no yuav tsuas ua qhov teeb meem zuj zus.

Mus tom ntej. Lwm vim li cas yog vim li cas tej zaum koj yuav pom ib cov lus uas lub qhov rais tau kuaj ib tug nyuaj tsav teeb meem, tej zaum nws yuav tsis ua hauj lwm ntawm lub magnetic hau. Nws plays lub luag hauj lwm ntawm cov ntaub ntawv txawj nyeem ntawv nrog pancakes magnetized nyuaj tsav. Qhov no yog facilitated los ntawm ib tug ntau yam ntawm cov neeg kho tshuab kev puas tsuaj rau tus ntaus ntawv, xws li shocks los yog ntog los ntawm ib tug zoo kawg siab. Cov tsos mob yog raws li nram no: Thaum lub zog tsav yuav tsum launched, koj yuav hnov cov incessant clicking. Qhov no yog vim lub fact tias lub taub hau yog tsis muaj peev xwm mus ntes servorazmetku. Raws li ib tug tshwm sim, nws yuav rov qab mus rau lub sab saum toj ntawm lub pancake. Qhov no yog hu ua recalibration.

Yog kho xwb los ntawm lub tsev rau kev hloov ntawm magnetic hau rau tib yam nkaus. Nws feem ntau yog yuav siv sij hawm nrog tib yam li pub. Tom qab lub lag luam no yuav tsum nqa tawm sector-raws li daim ntawv ntawm ib tug ib txwm nyuaj tsav, tab sis nws tseem tsis muab tej yam guarantees uas koj Operating System yuav pab tau koj txhais cov ntaub ntawv los koj ntaus ntawv.

Ntawm chav kawm, ib qhov system cov lus hais tias qhov rais tau kuaj ib tug nyuaj tsav teeb meem yuav tau tshwm sim rau lwm yam yog vim li cas. Nyob rau hauv txhua rooj plaub, peb yuav tsum tsis txhob hnov qab tias cov ntaub ntawv tsim nyog yuav tsum tau khaws cia raws li ib tug thaub qab rau tej yam ntxiv ntaus ntawv.