Ezinyangeni ezimbalwa ezedlule, uRadix ube nethuba lokusebenza namadrayivu e-Seagate EXOS akamuva, aklanyelwe imisebenzi yezinga lebhizinisi. Isici sabo esihlukile sisesisetshenziswa se-hybrid drive - sihlanganisa ubuchwepheshe bama-hard drive ajwayelekile (okugcina okuyinhloko) namadrayivu aqinile (okugcina idatha eshisayo).
Sesivele saba nolwazi oluhle sisebenzisa amadrayivu ayi-hybrid asuka e-Seagate njengengxenye yamasistimu ethu - eminyakeni embalwa edlule sasebenzisa isixazululo sesikhungo sedatha esizimele kanye nozakwethu ovela e-South Korea. Kwabe sekusetshenziswa ibhentshimakhi ye-Oracle Orion ezivivinyweni, futhi imiphumela yayingekho ngaphansi kwama-All-Flash arrays.
Kulesi sihloko sizobheka ukuthi amadrayivu e-Seagate EXOS anobuchwepheshe be-TurboBoost aklanywa kanjani, ahlole amandla awo emisebenzi engxenyeni yebhizinisi, nokusebenza kokuhlola ngaphansi kwemithwalo exubile.
Imisebenzi yesigaba sebhizinisi
Kunobubanzi obuzinzile noma obuncane bemisebenzi engabekwa njengemisebenzi yokugcinwa kwedatha engxenyeni yebhizinisi (noma yebhizinisi). Lokhu ngokwesiko kufaka phakathi: ukusebenza kwezinhlelo ze-CRM nezinhlelo ze-ERP, ukusebenza kwamaseva e-imeyili namafayela, ukwenza isipele kanye nokusebenza ngokubona. Kusukela kumbono wesistimu yesitoreji, ukuqaliswa kwemisebenzi enjalo kubonakala ngokugeleza komthwalo oxubile, okunobukhulu obucacile bezicelo ezingahleliwe.
Ngaphezu kwalokho, izindawo ezidinga izinsiza ezifana ne-multidimensional analytics OLAP (Online Analytical Processing) kanye nokucubungula umsebenzi wesikhathi sangempela (OLTP, Online Transaction Processing) ziyathuthuka esigabeni sebhizinisi. Okuhlukile kwabo ukuthi bathembele kakhulu ekusebenzeni kokufunda kunasemisebenzini yokubhala. Umsebenzi abawenzayo—ukusakazwa kwedatha okujulile okunosayizi abancane bebhulokhi—kudinga ukusebenza okuphezulu okuvela ohlelweni.
Indima yayo yonke le misebenzi ikhula ngokushesha. Ayayeka ukuba amabhulokhi asizayo ezinqubweni zokudala inani futhi adlulele esigabeni sezingxenye ezibalulekile zomkhiqizo. Ezinhlotsheni eziningi zebhizinisi, lokhu kuba yingxenye ebalulekile yokwakha inzuzo yokuncintisana kanye nokusimama kwemakethe. Ngokulandelayo, lokhu kwandisa kakhulu izidingo zengqalasizinda ye-IT yezinkampani: imishini yobuchwepheshe kufanele inikeze inani eliphezulu lokuphuma kanye nesikhathi esincane sokuphendula. Ukuze uqinisekise ukusebenza okudingekayo ezimweni ezinjalo, khetha amasistimu e-All-Flash noma amasistimu okulondoloza ayingxube nge noma ukukhathala.
Ngaphezu kwalokho, kunesinye isici sengxenye yebhizinisi - izidingo eziqinile zokwenza kahle kwezomnotho. Kusobala ukuthi akuzona zonke izinhlaka zezinkampani ezingakwazi ukuthenga nokugcinwa kahle kwe-All-Flash arrays, ngakho izinkampani eziningi kufanele ziyeke ukusebenza kancane, kodwa zithenge izixazululo ezingabizi kakhulu. Lezi zimo zishintsha kakhulu ukugxila kwemakethe kuzixazululo ezixubile.
Isimiso se-Hybrid noma ubuchwepheshe be-TurboBoost
Umgomo wokusebenzisa ubuchwepheshe obuxubene manje usuyaziwa kubabukeli abaningi. Ukhuluma ngethuba lokusebenzisa ubuchwepheshe obuhlukene ukuze uthole izinzuzo ezengeziwe kumphumela wokugcina. Amasistimu okugcina ama-Hybrid ahlanganisa amandla amadrayivu e-solid-state kanye nama-hard drive akudala. Ngenxa yalokho, sithola isisombululo esilungiselelwe, lapho ingxenye ngayinye isebenza khona nomsebenzi wayo: i-HDD isetshenziselwa ukugcina inani elikhulu ledatha, futhi i-SSD isetshenziselwa ukugcina okwesikhashana "idatha eshisayo".
Ngokusho , esifundeni se-EMEA cishe u-45.3% wemakethe wakhiwe izinhlelo zokugcina eziyingxube. Lokhu kuthandwa kunqunywa yiqiniso lokuthi, naphezu kokuqhathanisa ukusebenza, izindleko zezinhlelo ezinjalo ziphansi kakhulu kunezixazululo ezisekelwe ku-SSD, futhi intengo ye-IOps ngayinye isala ngemuva ngama-oda amaningana wobukhulu.
Umgomo ofanayo we-hybrid ungasetshenziswa ngokuqondile ezingeni lokushayela. I-Seagate yaba ngowokuqala ukusebenzisa lo mbono ngendlela yemidiya ye-SSHD (Solid State Hybrid Drive). Ama-disc anjalo athole ukuthandwa okuhlobene emakethe yabathengi, kodwa awavamile kakhulu esigabeni se-b2b.
Isizukulwane samanje salobu buchwepheshe e-Seagate singena ngaphansi kwegama lezentengiso i-TurboBoost. Engxenyeni yebhizinisi, inkampani isebenzisa ubuchwepheshe be-TurboBoost kulayini we-Seagate EXOS wokushayela, okukhulise ukwethembeka kanye nenhlanganisela efanele yokusebenza nokusebenza kahle. Isistimu yokugcina ehlanganiswe ngesisekelo samadiski anjalo, ngokwezici zayo zokugcina, izohambisana nokucushwa kwe-hybrid, kuyilapho ukugcinwa kwesikhashana kwedatha "eshisayo" kwenzeka ezingeni ledrayivu futhi kwenziwa ngokusebenzisa amakhono e-firmware.
Amadrayivu e-Seagate EXOS asebenzisa i-16 GB eyakhelwe ngaphakathi eMLC (Enterpise Multi-Level Cell) inkumbulo ye-NAND yenqolobane ye-SSD yasendaweni, enomthombo wokubhala kabusha ophakeme kakhulu kune-MLC yengxenye yomthengi.
Usizo olwabiwe
Ngemva kokuthola amadrayivu e-Seagate EXOS 8E10 24000 TB angu-1.2 esinawo, sinqume ukuhlola ukusebenza kwawo njengengxenye yesistimu yethu ngokusekelwe ku-RAIDIX 4.7.
Ngaphandle, idrayivu enjalo ibukeka njenge-HDD ejwayelekile: ikesi lensimbi elingu-2,5-intshi elinelebula enophawu kanye nezimbobo ezijwayelekile zokubopha.
Idrayivu ifakwe isixhumi esibonakalayo se-3 Gb/s SAS12, esivumela ukuthi isebenze kahle nezilawuli ezimbili zesistimu yokugcina. Kuhle futhi ukuqaphela ukuthi lesi sixhumi esibonakalayo sinokujula komugqa okukhulu kune-SATA3.
Qaphela ukuthi kusukela ekubukeni kokuphatha, i-disk enjalo ohlelweni lwesitoreji ibonakala iyindawo eyodwa lapho indawo yokugcina ingahlukaniswa khona ezindaweni ze-HDD ne-SSD. Lokhu kuqeda isidingo se-software ye-SSD cache futhi kwenza ukucushwa kwesistimu kube lula.
Njengesimo sokufaka isicelo sesixazululo esenziwe ngomumo, kucatshangelwe ukusebenza ngomthwalo ovela kuzicelo zezinkampani ezijwayelekile.
Inzuzo eyinhloko elindelekile ohlelweni lokulondoloza oludaliwe ukusebenza kahle kokusebenza emithwalweni exubile enobuningi bokusebenza kokufunda. Izinhlelo ze-RAIDIX zokulondoloza ezichazwe ngesofthiwe zinikeza ukusebenza okuphezulu komthwalo wokusebenza olandelanayo, kuyilapho i-Seagate ishayela ngobuchwepheshe be-TurboBoost isiza ekuthuthukiseni ukusebenza komthwalo wokusebenza okungahleliwe.
Esimeni esikhethiwe, kubukeka kanjena: ukusebenza kahle kwemithwalo engahleliwe evela kudathabhethi neminye imisebenzi yohlelo lokusebenza kuzoqinisekiswa izakhi ze-SSD, futhi imininingwane yesoftware izovumela ukugcina isivinini esikhulu sokucubungula imithwalo elandelanayo kusuka ekutholeni isizindalwazi noma ukulayishwa kwedatha.
Ngesikhathi esifanayo, lonke uhlelo lubukeka lukhangayo ngokwenani nokusebenza: amadrayivu ayingxube ayingxube angabizi (okuhlobene ne-All-Flash) ahlangana kahle nokuguquguquka nokusebenza kahle kwezindleko zezinhlelo zokugcina ezichazwe yisoftware ezakhelwe ku-hardware yeseva ejwayelekile.
Ukuhlolwa kokusebenza
Ukuhlola kwenziwe kusetshenziswa insiza ye-fio v3.1.
Ukulandelana kokuhlolwa kwe-fio bude beminithi lemicu engama-32 nokujula komugqa okungu-1.
Umsebenzi oxubile: 70% ufundiwe futhi u-30% ubhale.
Vimba usayizi ukusuka ku-4k ukuya ku-1MB.
Layisha endaweni engu-130 GB.
Inkundla yeseva
I-AIC HA201-TP (ucezu olu-1)
CPU
I-Intel Xeon E5-2620v2 (2 ama-pcs.)
RAM
128GB
I-adaptha ye-SAS
I-LSI SAS3008
Imishini yokugcina
I-Seagate EXOS 10E24000 (8 ama-pcs.)
Ileveli yohlelo
I-RAID 6
Imiphumela yokuhlola
Isistimu esekelwe ku-RAIDIX 4.7 enamadrayivu angu-8 e-Seagate EXOS 10e2400 ibonisa ukusebenza okuphelele okungafika ku-220 IOps yokufunda/ukubhala ngebhulokhi engu-000k.
isiphetho
Amadrayivu anobuchwepheshe be-TurboBoost avula amathuba amasha kubasebenzisi nabakhiqizi besistimu yokugcina. Ukusebenzisa inqolobane ye-SSD yendawo kukhulisa kakhulu ukusebenza kwesistimu ngokukhuphuka kancane kwezindleko zokuthenga amadrayivu.
Ukuhlolwa kwamadrayivu e-Seagate kwenziwa ngaphakathi ibonise izinga eliphezulu lokusebenza ngokuzethemba kuphethini yomthwalo oxubile (70/30), ilingisa izimfuneko ezilinganiselwe zemisebenzi esetshenzisiwe esigabeni sebhizinisi. Ngesikhathi esifanayo, ukusebenza kwafinyelelwa izikhathi ezingu-150 ngaphezu kwamanani omkhawulo wamadrayivu e-HDD. Kuyaphawuleka lapha ukuthi izindleko zokuthenga izinhlelo zokugcina zalokhu kucushwa cishe zingu-60% wezindleko zesixazululo esiqhathaniswa ne-All-Flash.
Izinkomba ezibalulekile
- Izinga lokuhluleka kwediski lonyaka lingaphansi kuka-0.44%
- 40% ishibhile kunezixazululo ze-All-Flash
- Izikhathi ezingu-150 ngokushesha kune-HDD
- Kufika ku-220 IOps kumadrayivu angu-000
Source: www.habr.com