Sannu duka! Tare da wannan labarin, AERODISK yana buɗe bulogi akan Habré. Huraira, yan uwa!
Abubuwan da suka gabata akan Habré sun tattauna tambayoyi game da gine-gine da tsarin tsarin ajiya na asali. A cikin wannan labarin za mu yi la'akari da tambayar da ba a riga an rufe ta ba, amma sau da yawa ana tambaya - game da rashin haƙuri na tsarin ajiya na AERODISK ENGINE. Ƙungiyarmu za ta yi duk abin da zai tabbatar da cewa tsarin ajiya na AERODISK ya daina aiki, watau. karya shi.
Ya faru da cewa labarai game da tarihin kamfaninmu, game da samfuranmu, da kuma misalin aiwatar da nasara sun riga sun rataye akan Habré, wanda don haka. Godiya da yawa ga abokan aikinmu - TS Solution da kamfanonin Softline.
Don haka, ba zan horar da dabarun sarrafa kwafin-manna ba, amma kawai zan samar da hanyoyin haɗin kai zuwa asalin waɗannan labaran:
Ina kuma so in raba albishir. Amma zan fara, ba shakka, tare da matsalar. Mu, a matsayinmu na matashin dillali, a tsakanin sauran farashi, muna fuskantar kullun tare da gaskiyar cewa yawancin injiniyoyi da masu gudanarwa ba su san yadda ake sarrafa tsarin ajiyar mu yadda ya kamata ba.
A bayyane yake cewa sarrafa yawancin tsarin ajiya yana kama da kusan iri ɗaya daga ra'ayin mai gudanarwa, amma kowane masana'anta yana da halayensa. Kuma ba mu kasance togiya a nan.
Don haka, don sauƙaƙe aikin horar da ƙwararrun IT, mun yanke shawarar sadaukar da wannan shekara don samun ilimi kyauta. Don yin wannan, a cikin manyan biranen Rasha da yawa muna buɗe hanyar sadarwa ta Cibiyar Kwarewa ta AERODISK, wanda duk wani ƙwararren ƙwararren ƙwararren fasaha zai iya yin kwas kwata-kwata kyauta kuma ya karɓi takardar shedar sarrafa tsarin ajiyar AERODISK ENGINE.
A cikin kowace Cibiyar Ƙwararrun Ƙwararrun za mu shigar da cikakkiyar alamar demo daga tsarin ajiya na AERODISK da uwar garken jiki, wanda malaminmu zai gudanar da horon fuska da fuska. Za mu buga jadawalin aiki na Cibiyoyin Kwarewa a kan bayyanar su, amma mun riga mun bude cibiyar a Nizhny Novgorod kuma birnin Krasnodar na gaba. Kuna iya yin rajista don horarwa ta amfani da hanyoyin haɗin da ke ƙasa. Ga sanannun bayanai a halin yanzu game da birane da kwanakin:
- Nizhny Novgorod (AN BUDE - za ku iya yin rajista a nan );
Har zuwa 16 ga Afrilu, 2019, kuna iya ziyartar cibiyar a kowane lokaci na aiki, kuma a ranar 16 ga Afrilu, 2019, za a shirya babban kwas na horo. - Krasnodar (AN BUDE BA da daɗewa ba - za ku iya yin rajista a nan );
Daga 9 ga Afrilu zuwa 25 ga Afrilu, 2019, za ku iya ziyartar cibiyar a kowane lokaci na aiki, kuma a ranar 25 ga Afrilu, 2019, za a shirya babban kwas na horo. - Екатеринбург (BUDE BA jima, bi bayanan da ke kan gidan yanar gizon mu ko a Habré);
Mayu-Yuni 2019. - Новосибирск (bi bayanin akan gidan yanar gizon mu ko a Habré);
Oktoba 2019. - Красноярск (bi bayanin akan gidan yanar gizon mu ko a Habré);
Nuwamba 2019
Kuma, ba shakka, idan Moscow ba ta da nisa daga gare ku, to, a kowane lokaci za ku iya ziyarci ofishinmu a Moscow kuma ku sha irin wannan horo.
Duka. Mun gama da talla, bari mu matsa zuwa fasaha!
A kan Habré za mu buga labaran fasaha akai-akai game da samfuranmu, gwaje-gwajen lodi, kwatancen, fasalin amfani da aiwatarwa masu ban sha'awa.
Gwajin haɗari na tsarin ajiya na AERODISK ENGINE N2, gwajin ƙarfi
Saurara! Bayan karanta labarin, za ku iya cewa: da kyau, ba shakka, mai sayarwa zai duba kansa domin duk abin da ke aiki "tare da bang," yanayin greenhouse, da dai sauransu. Zan amsa: babu irin wannan! Ba kamar masu fafatawa na kasashen waje ba, muna nan, kusa da ku, kuma koyaushe kuna iya zuwa wurinmu (a cikin Moscow ko kowane kwamitin tsakiya) kuma ku gwada tsarin ajiyar mu ta kowace hanya. Don haka, ba shi da ma'ana sosai a gare mu mu daidaita sakamakon zuwa kyakkyawan hoto na duniya, saboda Muna da sauƙin dubawa. Ga waɗanda suka yi kasala don tafiya kuma ba su da lokaci, za mu iya tsara gwaji mai nisa. Muna da lab na musamman don wannan. Tuntube mu.
ACHTUNG-2! Wannan gwajin ba gwajin kaya bane, saboda a nan mun damu ne kawai game da haƙurin kuskure. A cikin makonni biyu, za mu shirya tsayin daka mai ƙarfi kuma za mu gudanar da gwajin lodi na tsarin ajiya, buga sakamakon anan (ta hanyar, an karɓi buƙatun gwaje-gwaje).
Don haka, bari mu je karya shi.
Gwajin tsayawa
Matsayinmu ya ƙunshi kayan masarufi masu zuwa:
- 1 x Aerodisk Engine N2 tsarin ajiya (2 masu sarrafawa, 64GB cache, 8xFC tashar jiragen ruwa 8Gb/s, 4xEthernet tashar jiragen ruwa 10Gb/s SFP +, 4xEthernet tashar jiragen ruwa 1Gb/s); Ana shigar da fayafai masu zuwa a cikin tsarin ajiya:
- 4 x SAS SSD diski 900 GB;
- 12 x SAS 10k fayafai 1,2 TB;
- 1 x Sabar ta jiki tare da Windows Server 2016 (2xXeon E5 2667 v3, 96GB RAM, 2xFC tashar jiragen ruwa 8Gb/s, 2xEthernet tashar jiragen ruwa 10Gb/s SFP +);
- 2 x SAN 8G sauya;
- 2 x LAN 10G sauya;
Mun haɗa uwar garken zuwa tsarin ajiya ta hanyar sauyawa ta hanyar FC da 10G Ethernet. Tsarin tsaye yana ƙasa.
Abubuwan da muke buƙata, kamar MPIO da iSCSI initiator, ana shigar dasu akan Windows Server.
An saita yankuna a kan maɓallan FC, ana saita VLAN masu dacewa akan maɓallan LAN, kuma an shigar da MTU 9000 akan tashoshin ajiya, masu sauyawa, da mai watsa shiri (yadda ake yin duk wannan an bayyana shi a cikin takaddunmu, don haka ba za mu bayyana ba. wannan tsari a nan).
Hanyar Gwaji
Shirin gwajin hatsarin shine kamar haka:
- Duba gazawar FC da Ethernet tashoshin jiragen ruwa.
- Duba gazawar wutar lantarki.
- Duban gazawar mai sarrafawa.
- Duban gazawar faifai a cikin rukuni/pool.
Dukkanin gwaje-gwaje za a yi su a ƙarƙashin yanayin ɗimbin nauyin roba, wanda shirin IOMETER za mu samar. A layi daya, za mu yi gwaje-gwaje iri ɗaya, amma ƙarƙashin sharuɗɗan kwafin manyan fayiloli zuwa tsarin ajiya.
Tsarin IOmeter shine kamar haka:
- Karanta/Rubuta - 70/30
- Block - 128k (mun yanke shawarar wanke tsarin ajiya a cikin manyan tubalan)
- Adadin zaren - 128 (wanda yayi kama da nauyin mai amfani)
- Cikakken Random
- Yawan Ma'aikata - 4 (2 na FC, 2 na iSCSI)
Jarabawar tana da manufofi masu zuwa:
- Tabbatar cewa nauyin roba da tsarin kwafi ba zai katse ko haifar da kurakurai a ƙarƙashin yanayi daban-daban na gazawa ba.
- Tabbatar cewa tsarin canza tashar jiragen ruwa, masu sarrafawa, da dai sauransu isasshe ne mai sarrafa kansa kuma baya buƙatar ayyukan gudanarwa idan akwai gazawa (wato, lokacin gazawar, babu maganar gazawar, ba shakka).
- Tabbatar cewa bayanan da ke cikin rajistan ayyukan an nuna su daidai.
Ana shirya tsarin mai watsa shiri da ajiya
Mun saita hanyar shiga toshewa akan tsarin ajiya ta amfani da tashoshin FC da Ethernet (FC da iSCSI, bi da bi). Mutanen daga TS Solution sun bayyana dalla-dalla yadda ake yin wannan a cikin labarin da ya gabata (). Kuma, ba shakka, babu wanda ya soke littattafai da darussa.
Mun kafa ƙungiyar matasan ta amfani da duk abubuwan da muke da su. 2 SSD disks an ƙara su zuwa cache, 2 SSD diski an ƙara su azaman ƙarin matakin ajiya (Tier kan layi). Mun tattara 12 SAS10k tuki zuwa cikin RAID-60P (tsari uku) don bincika gazawar tuki guda uku a cikin rukunin lokaci ɗaya. An bar faifai ɗaya don sauyawa ta atomatik.
Mun haɗa LUNs guda biyu (ɗaya ta FC, ɗaya ta iSCSI).
Wanda ya mallaki LUNs biyu shine mai sarrafa Injin-0
Bari mu fara gwajin
Muna kunna IOMETER tare da saitin da ke sama.
Muna yin rikodin fitarwa na 1.8 GB/s da latency na 3 millise seconds. Babu kurakurai (Total Error Count).
A lokaci guda kuma, daga gida "C" na mai masaukinmu, a layi daya muna fara kwafin manyan fayiloli 100GB guda biyu zuwa FC da iSCSI ajiya LUNs (drives E da G a cikin Windows), ta hanyar amfani da wasu hanyoyin sadarwa.
A sama shine tsarin kwafi zuwa LUN FC, ƙasa zuwa iSCSI.
Gwaji #1: Kashe tashoshin I/O
Muna kusanci tsarin ajiya daga baya)))) kuma tare da ɗan motsi na hannu muna fitar da duk igiyoyin FC da Ethernet 10G daga mai sarrafa Injin-0. Kamar dai mace mai tsabta tare da mop ta bi ta kuma ta yanke shawarar wanke bene daidai inda snot ke kwance kuma igiyoyin suna kwance (watau mai sarrafawa har yanzu yana aiki, amma tashar I / O ta mutu).
Bari mu kalli IOMETER da kwafi fayiloli. Abubuwan da aka samar sun ragu zuwa 0,5 GB/s, amma da sauri ya koma matakin da ya gabata (a cikin kusan daƙiƙa 4-5). Babu kurakurai.
Kwafi fayiloli bai tsaya ba, akwai raguwar saurin gudu, amma ba shi da mahimmanci ko kaɗan (daga 840 MB/s ya ragu zuwa 720 MB/s). Kwafa bai tsaya ba.
Muna duba rajistan tsarin ajiya kuma mu ga saƙo game da rashin samun tashar jiragen ruwa da ƙaura ta atomatik na ƙungiyar.
Kwamitin bayanai kuma ya gaya mana cewa komai ba shi da kyau sosai tare da tashoshin FC.
Tsarin ajiya ya tsira daga gazawar tashoshin I/O nasara.
Gwaji No. 2. Kashe mai sarrafa ajiya
Kusan nan da nan (bayan mun dawo da igiyoyin a cikin tsarin ajiya) mun yanke shawarar gama kashe tsarin ta hanyar cire mai sarrafawa daga chassis.
Muna sake kusanci tsarin ajiya daga baya (muna son shi))) kuma a wannan lokacin muna fitar da mai sarrafa injin-1, wanda a wannan lokacin shine mai RDG (wanda ƙungiyar ta koma).
Halin da ake ciki a IOmeter shine kamar haka. I/O ya tsaya na kusan daƙiƙa 5. Kurakurai ba sa tarawa.
Bayan daƙiƙa 5, I/O ya ci gaba da kusan kayan aiki iri ɗaya, amma tare da latencies na millise seconds 35 (an gyara latency bayan kusan mintuna biyu). Kamar yadda ake iya gani daga hotunan kariyar kwamfuta, jimlar ƙidayar kurakurai ita ce 0, wato, babu kurakuran rubutu ko karantawa.
Bari mu dubi kwafin fayilolin mu. Kamar yadda kuke gani, ba a katse shi ba, an sami ɗan raguwar aikin, amma gabaɗaya komai ya koma daidai ~ 800 MB/s.
Muna zuwa tsarin ajiya kuma mu ga la'ana a cikin bayanan bayanan cewa babu mai sarrafa Injin-1 (ba shakka, mun kashe shi).
Mun kuma ga irin wannan shigarwa a cikin rajistan ayyukan.
Mai kula da ajiyar ma'aji ya tsira daga gazawar nasara.
Gwaji No. 3: Cire haɗin wutar lantarki.
Kamar dai, mun sake fara kwafi fayiloli, amma ba mu daina IOMETER ba.
Muna ja na'urar samar da wutar lantarki.
An ƙara wani faɗakarwa zuwa tsarin ajiya a cikin bayanan bayanan.
Hakanan a cikin menu na firikwensin mun ga cewa na'urori masu auna firikwensin da aka fitar da wutar lantarki sun zama ja.
Tsarin ajiya yana ci gaba da aiki. Rashin gazawar na'urar samar da wutar lantarki ba ta kowace hanya ta shafi aikin tsarin ajiya; daga ra'ayi na mai watsa shiri, saurin kwafin da alamun IOMETER sun kasance ba canzawa.
Gwajin gazawar wutar lantarki ya wuce nasara.
Kafin gwaji na ƙarshe, mun yanke shawarar dawo da tsarin ajiyar kayan aiki kaɗan, mayar da na'ura mai sarrafawa da na'ura mai ba da wutar lantarki, sannan kuma mu sanya igiyoyi a cikin tsari, wanda tsarin ajiya ya sanar da mu da farin ciki tare da alamar koren a cikin sashin lafiyarsa. .
Gwaji No. 4. Rashin gazawar diski uku a cikin rukuni
Kafin wannan gwajin, mun yi ƙarin matakin shiri. Gaskiyar ita ce, tsarin ajiya na ENGINE yana ba da abu mai amfani sosai - manufofin sake ginawa daban-daban. TS Magani ya rubuta game da wannan fasalin a baya, amma bari mu tuna ainihin sa. Mai gudanar da ajiya zai iya ƙayyade fifiko don rabon albarkatu yayin sake ginawa. Ko dai a cikin hanyar aikin I/O, wato, sake ginawa yana ɗaukar lokaci mai tsawo, amma babu raguwar aikin. Ko kuma a cikin hanyar sake gina sauri, amma za a rage yawan aiki. Ko madaidaicin zaɓi. Tunda aikin ajiya a lokacin sake gina rukunin faifai koyaushe ciwon kai ne na admin, za mu gwada manufar tare da nuna son kai ga aikin I/O kuma a kashe saurin sake ginawa.
Yanzu bari mu bincika gazawar faifai. Hakanan muna ba da damar yin rikodin zuwa LUNs (fiyiloli da IOMETER). Tun da muna da rukuni mai sau uku (RAID-60P), wannan yana nufin cewa tsarin dole ne ya jure rashin nasarar diski uku, kuma bayan gazawar, maye gurbin atomatik dole ne ya yi aiki, faifan ɗaya dole ne ya maye gurbin ɗaya daga cikin waɗanda suka gaza. a cikin RDG, kuma dole ne a fara sake ginawa a kai.
Fara. Da farko, ta hanyar ƙwaƙwalwar ajiyar ajiya, bari mu haskaka faifan diski da muke son cirewa (don kada mu ɓace da cire diski na atomatik).
Muna duba nuni akan hardware. Komai yayi kyau, muna ganin fayafai masu haske guda uku.
Kuma mun ciro wadannan faifai guda uku.
Bari mu ga abin da ke kan mai masaukin baki. Kuma a can ... babu wani abu na musamman da ya faru.
Alamar kwafi (sun fi girma fiye da farkon, saboda cache ya dumi) kuma IOMETER ba sa canzawa sosai lokacin cire diski kuma fara sake ginawa (a cikin 5-10%).
Bari mu dubi abin da ke kan tsarin ajiya.
A matsayin kungiyar, mun ga cewa an fara aikin sake fasalin kuma an kusa kammalawa.
A cikin kwarangwal na RDG zaka iya ganin cewa diski 2 suna cikin ja, kuma an riga an maye gurbin daya. Disk ɗin maye gurbin atomatik baya nan; ya maye gurbin faifai na uku da ya gaza. Sake ginawa ya ɗauki mintuna da yawa, rubuta fayiloli lokacin da faifai 3 ba su katse ba, kuma aikin I/O bai canza sosai ba.
Gwajin gazawar faifai tabbas ya wuce nasara.
ƙarshe
A wannan gaba, mun yanke shawarar dakatar da tashin hankali ga tsarin ajiya. Bari mu taƙaita:
- Binciken gazawar tashar jiragen ruwa FC - nasara
- Binciken gazawar tashar tashar Ethernet - nasara
- Binciken gazawar mai sarrafawa - nasara
- Gwajin gazawar wutar lantarki - Nasara
- Duba gazawar faifai a rukunin rukuni - nasara
Babu wani daga cikin gazawar da ya dakatar da yin rikodi ko haifar da kurakurai a cikin nauyin roba; ba shakka, an sami buga wasan kwaikwayon (kuma mun san yadda za mu shawo kan shi, wanda za mu yi nan ba da jimawa ba), amma idan aka ba da cewa waɗannan seconds ne, yana da karɓuwa sosai. Ƙarshe: rashin haƙuri ga duk abubuwan da ke cikin tsarin ajiya na AERODISK ya yi aiki a matakin, babu maki na gazawa.
Babu shakka, a cikin talifi ɗaya ba za mu iya gwada duk yanayin rashin nasara ba, amma mun yi ƙoƙari mu rufe waɗanda suka fi shahara. Don haka, da fatan za a aiko da ra'ayoyinku, shawarwarin wallafe-wallafen nan gaba da kuma, ba shakka, isassun zargi. Za mu yi farin cikin tattauna (ko mafi kyau tukuna, zo horo, Na kwafi jadawalin kawai idan)! Har sai sabbin gwaje-gwaje!
- Nizhny Novgorod (AN BUDE - za ku iya yin rajista a nan );
Har zuwa 16 ga Afrilu, 2019, kuna iya ziyartar cibiyar a kowane lokaci na aiki, kuma a ranar 16 ga Afrilu, 2019, za a shirya babban kwas na horo. - Krasnodar (AN BUDE BA da daɗewa ba - za ku iya yin rajista a nan );
Daga 9 ga Afrilu zuwa 25 ga Afrilu, 2019, za ku iya ziyartar cibiyar a kowane lokaci na aiki, kuma a ranar 25 ga Afrilu, 2019, za a shirya babban kwas na horo. - Екатеринбург (BUDE BA jima, bi bayanan da ke kan gidan yanar gizon mu ko a Habré);
Mayu-Yuni 2019. - Новосибирск (bi bayanin akan gidan yanar gizon mu ko a Habré);
Oktoba 2019. - Красноярск (bi bayanin akan gidan yanar gizon mu ko a Habré);
Nuwamba 2019
source: www.habr.com