SAS Server HDD: Xidhmaha Khazanka ee Dakhliyadda ee Computing Iyo Data Centers

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sas server hdd

SAS Server HDD waa soo saarista xubnaha ee dhaqameed oo loo designay si gaar ah ee data centers ee qaar iyo server environments. Xubnani waxay ka qayb maashaa teknolojiyada ee Serial Attached SCSI, oo leh arrintii aad u weyn oo leh diiwaangelinta ee dhaqameed ee shabakadaha ee in la xidhiidha. Xubnani waxay u shaqeysaa dhammaadooda 15,000 RPM, SAS server HDD-yada waxay leeyihiin arrintii ugu weyn ee ugu horreysa ee xubnaha horeya. Waxay leeyihiin qaabka siyaabaha ee arrimaha, alaabta firmware ee ugu horreysa, iyo designa mekaaniska ee qulobsan ee lagu xidho arrimaha iyo dherrika. Xubnani waxay ka kooban tahay 300GB ilaa 18TB, oo leh soo saarista xubnaha ee qiyamka ugu horreysa ee qaar. Qaabka labaad ee deqda waxay keenaa bogag labaad oo la xidhiidha, si loo hesho arrimaha iyo diiwaangelinta ee shabakada. SAS server HDD-yada waxay loo designay si loo isticmaalo qalabka ee ugu horreysa ee loo amray in la shaqeeyo 24/7 hoostooda shaqo badan, taadna waa mid la xiri la leeyahay server database, virtualization environments, iyo shabakada ee arrimaha ugu weyn. Waxay sidoo kale leeyihiin xubnaha ee ugu horreysa ee ammaanka ee lagu kala sooriyo ammaanka ilaa aan la jiidin arrimaha.

Balxada Cusub

Qabyaraha SAS ee seerwarka HDD waxay leeyihiin faa'iidooyin badan oo u muuqda in ay noqdo tijaabka la doodo ee xadgudbinta shakhsiyeed. Ugu danbeysay, dadka dhaqameeya waxay kaga bixiyaa gebyada arrimaha iyo jadwalka nidaamka, caqli ahaan shaqeeda dhammaadka maalinta. Qabyaruhu wuxuu leeyahay meelaha siinidka iyo iskushubidda xalalka oo ka qaybqaadaya in la ilaaliyo iyo la helayo arrimaha. Xawaaraha laabta sare iyo firmware-ka xuska ah waxay bixiya awood ugu leeyahay, mid aan ugu furi kartid erayadii la isticmaalayo iyo ugu ballacaanshaha ragga la soo saaro. Takoobka labaad ee deqda waxay bixiya in la heli karo, mid aan ugu jirto markii tokafka kale ee khariicda uu jiraa. Qabyarahan waxaa loo sameeyey in la isticmaalo shakhsiyeed, oo sax ah in la xubno amarrada in la qoraa/la qoro inta lagu badbaadiyaa awooda laakiinsiis lagu jeexiyo. Qodobbada carruurta-gaar ee komponantihuna waxay bixiya in ay ugu duraan muddo dheer, kaas oo kala goynaya biilashada guud ee dhamaadka maalmooda. Arimaha maareynta nafqadda waxay caawinaa uummayada in ay arrintu gudbiyaan nafqadda iyagoo laga fulinayo awooda, kaas oo kordhinaya ilaa horumarinta dhalinyarri iyo furshadaha. Takaburka qiimaha iyo deqda waxay kala soogalan karaa qabyarahan in la koobiyo habkani, halkaas oo naadhijinta xoog badan ayaa in la jecelaa jadwalka iyo xuma joogta ee kalena soo abuuri karta seerwarka. Sidoo kale, qabyaraha badan ee SAS ee seerwarka HDD waxay leeyihiin arimaha siinidka nafsiga ah ee saxda ugu hor taga xaaladaha la yaab san ama la yaab san, kaas oo kordhinaya in la sameeyo suurtogalnimada iyo kala goynaya jadwalkeenna la yaab san.

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sas server hdd

Waxaad uga badashaa Xogta iyo Amaanta

Waxaad uga badashaa Xogta iyo Amaanta

Qabyada SAS server HDD waxay leeyihiin jilood qalabka badan oo la xidhaa in la ilaa cimriyadii muhimma. Qabyida waxay leeyihiin koobiyar codsi ee caasiga ah (ECC) oo sax ugu dagaal ama wargelin karta xalalka xogta waqtigan, sidii xogta loo helay ama lacagga lagu bilaabo. Aljebirta waxay leeyihiin algorismood caasiga ah oo doorsooma joogto iyo awoodda qabyida, ogaanshada arrinkuna waxaa ka hor inta ay xogta u degganaan karto. Qabyidaas waxay dhammaan kartaa nidaamka adeegsiga ee hardware, abuuriya saaxiib labaad oo xogta muhimma. Tallaabada gudaha laba-wayn oo kale wuxuu siinayaa awood la iibsanayo, iyadoo la isku halgeliyo xogta ay ku jiraan haddii mid ka midka soo socodka way ciqaataa. Sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sidaa darteed, sida......
Awoodda weyn iyo farsamada

Awoodda weyn iyo farsamada

Qudhuhu in la xidhibayaa ee SAS server HDD-oyinka waxa lagu soo saaray si ay u fuliso hawlaha qumeeynta ee dakhliyada. Xawaadaha isdhaafidda ee dhammaan 15,000 RPM iyo algorismoodka cache ee kor u qaadaya waxaa leedahay jiritaanka arrabta iyo kaalinta hooseysa. Nidaamka SAS wuxuu ogolaanshahay in la isticmaalayo geesle aan oo kala duwan, sidoo kale midkaba ogolaanshahay in la beddelo arrabta iyo maareynta kor u qaadaya ee sharciga badnaa ee shaqooyinka. Dhaqaalkuna heli karaa geeslan oo walba la xiriira foomka iyagoo muuqda ah, taasoo gaar ah ee awoodlaha virtualized iyo banciyada arrabta ee ugu badnaya geeslan. Qaabka la taliyay waxa caddaanaysaa heerarka in ay ku darayso qodobka arrabtada iyagoo laakiin wax kasta oo la xidhibayaa heerarka caadiya ee arrabtada.
Amaan iyo Dhaantida Qaabka Badweynta

Amaan iyo Dhaantida Qaabka Badweynta

SAS server HDD-oyinka waxaa saddexmaya komponentiyada ee dakhliyadda oo aasaasiya loo design garay in la iska leeyahay amshaqada joogta ah ee ku jirta server-ka xadgudbiyaha. Wixii mekanka leh waxaa ka mid yaryarida nidaamka nijaasnimada oo ay ugu caddeeyaan sababta sababto ah ee ka soo jawaabto qalabka. Dhaqaan-kan waxaa lagu sameeyay iftiimada caawinaad si ay u helayaan inay daqan tahay ciduna iyo kala duwanaanshaha shidda ee ka soo jeedda data center-ka ee dakhliyadda. Muddada celceliska u dhaxaysa falshada (MTBF) wuxuu ka waynaa qiimaha dhaqaan ee consumer-grade, oo aan u bixin doono arrintiisa iyo kordhinta faa'iidooyinka. Dhaqaankan waxaa leh tajirro qorsheeda ee xaaladda arrintiisa oo kale ee arrintiisa, taasoo kesiibsan arrin cabsiye iyo kordhinta mowduumaha falshada.

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