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Test IDE hardova 01/2003
23.01.2003.
    « Prev  : Stranica 1 od 4 :  Next »      By ::  Ozren Žagmešter 
- Uvod, buka i grijanje -

Nakon duže pauze odlučili smo se ponovo pozabaviti IDE hard diskovima koji se vrte na 7200rpm. Još u jesen smo planirali napraviti ovakav test, ali nam to nije uspjelo zbog prezauzetosti poslom našeg sada već bivšeg člana ekipe (msvrtana - pogledajte Hall of Fame u "O Nama"). Kako se stanje lagera hard diskova stalno mijenja, skupili smo što se skupiti dalo. Tako smo neke diskove nabavili lokalno, a neke su nam poslali na testiranje sami proizvođači. Moramo napomenuti da je ovo test performansi diskova jer njihovu pouzdanost nismo uspjeli isprobati u tako kratkom vremenu (diskovi su u prosjeku u našim rukama bili oko tjedan dana). Da su bili i mjesec-dva, opet to ne bi bilo dovoljno. Objektivno gledavši trebalo bi diskove mučiti jedno šest mjeseci da se vidi da li su pouzdani ili ne, a čak ni onda ne bi bili 100% sigurni. Zato u uvid u to kako korisnici vide proizvođače diskova dajemo sliku naše nedavne ankete:

Rezultat naše ankete

U Hrvatskoj najviše ljudi vjeruju Seagateu što smatramo ispravnim. Dobili smo na kratko i uvid u statistike kvarova nekih naših tvrtki i po njima se vidi da sa Seagate diskovima stvarno ima najmanje problema. Na drugom mjestu u anketi je Maxtor kojeg više drži dobra reputacija iz prošlosti nego trenutna pouzdanost. Nakon toga dolazi Western Digital koji je prije par godina bio sinonim za lošu kvalitetu, ali se u zadnje vrijeme osjetno popravio. IBM je tek na četvrtom mjestu što ne čudi nakon debakla s 75GXP i 60GXP diskovima koji su se kvarili/kvare kao blesavi (jedina iznimka je vjerojatno 75GXP disk u našem serveru koji bez prestanka radi već više od dvije godine - svaka mu čast!). IBM se puno popravio s 120GXP serijom, a po svemu sudeći 180GXP je još bolja serija. No, trebat će vremena dok se loš imidž popravi u očima kupaca i dok se ne vidi stvarna pouzdanost 120GXP-a i 180GXP-a. U međuvremenu se IBM "riješio" svoje storage divizije tako da je zajedno s Hitachiom formirao tvrtku "Hitachi Global Storage Technologies". Za sada se može reći da je IBM i dalje tu jer su svi zaposlenici IBM storage divizije sada zaposlenici nove kompanije. Na dnu je Fujitsu, tamo gdje mu je i mjesto - njihov debakl s milijunima neispravnih diskova dugo će se pamtiti. Ono kratko vremena što smo diskove imali u svojim rukama iskoristili smo najbolje što se moglo - napravili smo par skripti koje bi konstantno kopirale podatke po disku. U periodu od tjedan dana, koliko su diskovi u prosjeku bili u našim rukama, niti jedan disk se nije pokvario.

Diskovi koje smo isprobali:

  • IBM 180GXP 60GB IC35L060AVV207-0 (2MB cache - modeli od 90GB nadalje sa sufiksom "-1" imaju 8MB cachea)
  • Seagate Barracuda ATA IV 60GB ST360021A (2MB cache)
  • Seagate Barracuda ATA V 60GB ST360015A (2MB cache)
  • Maxtor DiamondMax Plus 9 60GB 6Y060L0 (2MB cache - modeli od 80GB nadalje s oznakom "P0" umjesto "L0" imaju 8MB cachea, a postoje i SerialATA modeli s oznakom M0 koji svi imaju 8MB)
  • WD 800BB 80GB WD800BB-00CAA1 (2MB cache)
  • WD 400JB 40GB WD400JB-00CRA1 (8MB cache)
  • WD 800JB 80GB WD800JB-00CRA1 (8MB cache).

Probali smo doći i do kojeg SerialATA diska, no nije nam uspjelo - nismo ih našli kod nas, a Seagate nam je poslao standardnu ATA-100 varijantu svog 'Cuda ATA V diska iako smo ih lijepo molili da nam pošalju SerialATA varijantu. Bilo bi zgodno da smo uspjeli, ali što se može.

Što se glasnoće diskova tiče, nismo ih mjerili nekom aparaturom, ali naše izvježbane uši dale su sljedeće rezultate - najtiši disk je IBM 180GXP kojeg onda prate Seagate Barracude pa Maxtor. WD diskovi su bili najglasniji, no na sreću niti jedan nije bio preglasan. Što se temperature grijanja tiče, to smo mogli izmjeriti i rezultati su sljedeći (uz sobnu temperaturu od 24C):

Disk
Temperatura (C)
IBM 180GXP 60GB
46.3
Seagate Barracuda ATA IV
43.2
Seagate Barracuda ATA V
43.9
Maxtor DiamondMax Plus 9
44.5
WD 800BB
43.5
WD 400JB i 800JB
39.8

Kao što vidimo, WD JB diskovi se najmanje griju, nakon njih slijede Barracuda, a najtopliji disk je IBM 180GXP. Vrijeme je da se pozabavimo performansama.



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