{"id":30987,"date":"2019-10-31T21:38:45","date_gmt":"2019-10-31T18:38:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/kak-razvernut-sap-hana-razbiraem-raznye-metody\/"},"modified":"2019-10-31T21:38:45","modified_gmt":"2019-10-31T18:38:45","slug":"kak-razvernut-sap-hana-razbiraem-raznye-metody","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/kak-razvernut-sap-hana-razbiraem-raznye-metody","title":{"rendered":"Cum s\u0103 implementa\u021bi SAP HANA: analiz\u0103m diferitele metode","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>SAP HANA este o baz\u0103 de date in-memory popular\u0103, care include servicii de stocare (Data Warehouse) \u0219i analize, un software intermediar integrat, un server de aplica\u021bii \u0219i o platform\u0103 pentru configurarea sau dezvoltarea de noi utilitare. Prin eliminarea \u00eent\u00e2rzierilor tradi\u021bionale ale bazelor de date, SAP HANA poate cre\u0219te semnificativ performan\u021ba sistemelor, procesarea tranzac\u021biilor (OLTP) \u0219i analiza de afaceri (OLAP).<\/p>\n<p><img decoding=\"async\" alt=\"Cum s\u0103 implementa\u021bi SAP HANA: analiz\u0103m diferitele metode\" src=\"\/wp-content\/uploads\/2019\/04\/5a8353544ad8e5153ffccb99a988126a.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSAP HANA poate fi desf\u0103\u0219urat\u0103 \u00een modurile Appliance \u0219i TDI (vorbind despre medii productive). Fiecare variant\u0103 are cerin\u021be specifice din partea produc\u0103torului. \u00cen aceast\u0103 postare, vom discuta despre avantajele \u0219i dezavantajele diferitelor op\u021biuni, precum \u0219i despre proiectele noastre reale cu SAP HANA pentru ilustrare.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nSAP HANA este compus\u0103 din 3 componente principale \u2013 host, instan\u021b\u0103 \u0219i sistem.<\/p>\n<p><i>Gazd\u0103<\/i> \u2014 este serverul sau mediu opera\u021bional pentru func\u021bionarea bazei de date SAP HANA. Componentele sale obligatorii sunt CPU, RAM, stocare, re\u021bea \u0219i sistem de operare. Hostul ofer\u0103 linkuri c\u0103tre directoarele de instalare, date, jurnale sau direct c\u0103tre stocare. De asemenea, stocarea pentru instalarea SAP HANA nu trebuie s\u0103 fie situat\u0103 pe host. Dac\u0103 sistemul are mai multe hosturi, va fi necesar\u0103 fie o stocare comun\u0103, fie una accesibil\u0103 pe cerere de la toate hosturile.<\/p>\n<p><i>Instan\u021b\u0103 <\/i>\u2014 este un set de componente sistemice SAP HANA instalate pe un singur host. Componentele principale sunt Index Server \u0219i Name Server. Primul, cunoscut \u0219i sub numele de \u201eserver de lucru\u201d, prelucreaz\u0103 cererile, gestioneaz\u0103 stoc\u0103rile de date actuale \u0219i nucleele bazei de date. Name Server stocheaz\u0103 informa\u021bii despre topologia instal\u0103rii SAP HANA \u2014 despre locul unde func\u021bioneaz\u0103 componentele \u0219i ce date se afl\u0103 pe <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/dts-dronten\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2463\">server<\/a>.<\/p>\n<p><i>Sistem<\/i> \u2014 este o sau mai multe instan\u021be cu acela\u0219i num\u0103r. Practic, este un element separat, care poate fi inclus, exclus sau copiat (creat o copie de rezerv\u0103). Datele sunt distribuite \u00een memoria diferitelor servere care constituie sistemul SAP HANA.<\/p>\n<p><img decoding=\"async\" alt=\"Cum s\u0103 implementa\u021bi SAP HANA: analiz\u0103m diferitele metode\" src=\"\/wp-content\/uploads\/2019\/04\/246df7b6496b789561afdc5e72029166.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nSistemul poate fi configurat ca fiind monohost (o instan\u021b\u0103 pe un singur host) sau multihost distribuit (mai multe instan\u021be SAP HANA distribuite pe mai multe hosturi, fiecare host av\u00e2nd o instan\u021b\u0103). \u00cen sistemele multihost, fiecare instan\u021b\u0103 trebuie s\u0103 aib\u0103 acela\u0219i num\u0103r. Sistemul SAP HANA este identificat prin System ID (SID) \u2013 un num\u0103r unic format din trei caractere alfanumerice.<\/p>\n<h2>Virtualizarea SAP HANA<\/h2>\n<p>\nUna dintre principalele restric\u021bii ale SAP HANA este suportul pentru doar un singur sistem \u2014 o singur\u0103 instan\u021b\u0103 cu un SID unic al serverului. Pentru a utiliza mai eficient hardware-ul sau pentru a reduce num\u0103rul de servere \u00een centrul de date, se poate folosi virtualizarea. Astfel, alte peisaje pot coexista pe un singur server cu sisteme care au cerin\u021be mai mici (sisteme neproductive). Pentru un server de rezerv\u0103 HA\/DR, virtualizarea poate \u00eembun\u0103t\u0103\u021bi viteza de comutare \u00eentre ma\u0219inile virtuale productive \u0219i neproductive.<\/p>\n<p>SAP HANA include suport pentru hypervisor-ul VMWare ESX. Aceasta \u00eenseamn\u0103 c\u0103 diferite sisteme SAP HANA \u2013 instala\u021bii SAP HANA cu diverse numere SID \u2013 pot coexista pe un singur host (server fizic comun) \u00een diferite ma\u0219ini virtuale. Fiecare ma\u0219in\u0103 virtual\u0103 trebuie s\u0103 func\u021bioneze \u00eentr-un sistem de operare suportat.<\/p>\n<p>Pentru medii productive, virtualizarea SAP HANA are restric\u021bii semnificative:<\/p>\n<ul>\n<li>scalarea Scale-out nu este suportat\u0103 \u2013 virtualizarea poate fi utilizat\u0103 doar cu sisteme Scale-Up, fie ele BwoH\/DM\/SoH sau \u201epur\u201d SoH;\n<\/li>\n<li>virtualizarea trebuie s\u0103 se fac\u0103 conform regulilor stabilite pentru dispozitive Appliance sau TDI;\n<\/li>\n<li>\u00een General Availability (GA) poate exista doar o ma\u0219in\u0103 virtual\u0103 \u2014 companiile care doresc s\u0103 utilizeze virtualizarea cu medii productive HANA trebuie s\u0103 participe \u00een programul Controlled Availability cu SAP.\n<\/li>\n<\/ul>\n<p>\n\u00cen medii neproductive, unde restric\u021biile enumerate nu exist\u0103, virtualizarea poate fi utilizat\u0103 pentru a optimiza utilizarea echipamentului.<\/p>\n<h2>Topologiile SAP HANA<\/h2>\n<p>\nS\u0103 trecem la implementarea SAP HANA. Aici sunt definite dou\u0103 topologii.<\/p>\n<ul>\n<li>Scale-up \u2013 un singur server mare. Pe m\u0103sur\u0103 ce cre\u0219te baza de date HANA, cre\u0219te \u0219i serverul: se m\u0103re\u0219te num\u0103rul de CPU \u0219i cantitatea de memorie. \u00cen solu\u021biile cu High Availability (HA) \u0219i Disaster Recovery (DR), serverele de rezerv\u0103 sau de failover trebuie s\u0103 corespund\u0103 specifica\u021biilor serverelor productive.\n<\/li>\n<li>Scale-out \u2013 \u00eentreaga capacitate a sistemului SAP HANA este distribuit\u0103 pe mai multe servere identice. Serverul Master con\u021bine informa\u021bii pentru Index Server \u0219i Name Server. Serverele Slave nu con\u021bin aceste date \u2014 cu excep\u021bia serverului care preia func\u021biile Master \u00een cazul unei defectiuni a serverului principal. Serverele de lucru (Index Servers) gestioneaz\u0103 segmentele de date care le sunt atribuite \u0219i r\u0103spund la cereri. Serverele Name \u0219tiu cum sunt distribuite datele \u00eentre serverele de lucru. \u00cen cazul cre\u0219terii HANA, un nod suplimentar este ad\u0103ugat. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/\"   title=\"al configura\u021biei serverului\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"994\">al configura\u021biei serverului<\/a> \u00cen aceast\u0103 topologie este suficient s\u0103 ave\u021bi un nod de rezerv\u0103 pentru a asigura securitatea \u00eentregului server.\n<\/li>\n<\/ul>\n<p>\n<img decoding=\"async\" alt=\"Cum s\u0103 implementa\u021bi SAP HANA: analiz\u0103m diferitele metode\" src=\"\/wp-content\/uploads\/2019\/04\/eee0e0fa20a2249fdfc251d4578deb6d.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h2>Cerin\u021bele SAP pentru hardware<\/h2>\n<p>\nSAP are cerin\u021be obligatorii pentru hardware-ul dedicat HANA. Acestea se refer\u0103 la medii productive \u2013 pentru non-prod sunt suficiente caracteristicile minime. Iat\u0103 cerin\u021bele pentru medii productive:<\/p>\n<ul>\n<li>CPU Intel Xeon v5 (SkyLake) \/ 8880 \/ 90 \/ 94 v4 (Broadwell)\n<\/li>\n<li>de la 128 GB RAM pentru aplica\u021bii BW cu 2 CPU, 256 GB cu 4+ CPU;\n<\/li>\n<\/ul>\n<p><\/p>\n<h2>Implementarea SAP HANA \u00een modurile Appliance \u0219i TDI<\/h2>\n<p>\nAcum s\u0103 trecem la practic\u0103 \u0219i s\u0103 discut\u0103m despre cum s\u0103 implement\u0103m SAP HANA \u00een modurile Appliance \u0219i TDI. Vom folosi platformele noastre SAP HANA pe baza serverelor BullSequana S \u0219i Bullion S, care sunt certificate SAP pentru a func\u021biona \u00een aceste moduri.<\/p>\n<p>Un scurt ghid despre produse. BullSequana S bazat pe Intel Xeon Scalable include diferite modele, cu p\u00e2n\u0103 la 32 CPU \u00eentr-un singur server. Serverul este construit pe o structur\u0103 modular\u0103, care asigur\u0103 scalabilitate p\u00e2n\u0103 la 32 CPU \u0219i acela\u0219i num\u0103r de unit\u0103\u021bi de procesare grafic\u0103. Memoria RAM variaz\u0103 de la 64 GB la 48 TB. Printre caracteristicile BullSequana S se num\u0103r\u0103 suportul pentru AI corporativ pentru o performan\u021b\u0103 \u00eembun\u0103t\u0103\u021bit\u0103, accelerarea analizei datelor, avansarea calculului \u00een memorie \u0219i modernizarea prin virtualizare \u0219i tehnologii cloud.<\/p>\n<p>Bullion S sunt livrate cu CPU din familia Intel Xeon E7 v4. Num\u0103rul maxim de procesoare este de 16. RAM-ul este scalabil de la 128 GB la 24 TB. O gam\u0103 larg\u0103 de func\u021bii RAS asigur\u0103 un nivel ridicat de disponibilitate pentru infrastructuri critice precum SAP HANA. Bullion S sunt potrivite pentru consolidarea masiv\u0103 a datacentrelor, pentru lucrul cu aplica\u021bii In-Memory, migrarea de mainframe-uri sau sisteme \u00eenvechite.<\/p>\n<h2>SAP HANA Appliance<\/h2>\n<p>\nAppliance \u2013 o solu\u021bie preconfigurat\u0103, care include un server, stocare \u0219i un pachet de software pentru implementare \u201ela cheie\u201d, cu suport centralizat \u0219i un nivel de performan\u021b\u0103 convenit. Aici, HANA este furnizat\u0103 sub form\u0103 de hardware \u0219i software preconfigurat, complet integrat \u0219i certificat. Dispozitivul \u00een modul Appliance este gata pentru instalarea \u00een centrele de date, iar sistemul de operare, SAP HANA \u0219i (dac\u0103 este necesar) o instan\u021b\u0103 suplimentar\u0103 VMWare sunt deja configurate \u0219i instalate.<\/p>\n<p>Certificarea SAP stabile\u0219te un nivel garantat de performan\u021b\u0103, precum \u0219i modelul CPU, volumul RAM \u0219i stocarea. Dup\u0103 certificare, modificarea configura\u021biei f\u0103r\u0103 a pierde garan\u021bia nu este permis\u0103. Pentru scalarea platformei HANA, SAP ofer\u0103 trei op\u021biuni.<\/p>\n<ul>\n<li><b>Scale-Up BWoH\/DM\/SoH <\/b>\u2013 scalare vertical\u0103, care este potrivit\u0103 pentru sisteme unice (un SID). Cre\u0219terea dispozitivelor Appliance se face cu 256\/384 GB, \u00eencep\u00e2nd cu versiunea SAP HANA SPS 11. Aceast\u0103 propor\u021bie arat\u0103 volumul maxim, suportat de un singur CPU, \u0219i este comun\u0103 pentru \u00eentreaga list\u0103 a dispozitivelor Appliance certificate. Appliance BWoH\/DM\/SoH cu scalare vertical\u0103 este optim pentru aplica\u021biile BW on HANA (BWoH), Data Mart (DM) \u0219i aplica\u021biile SAP Suite on HANA (SoH).\n<\/li>\n<li><b>Scale-Up SoH<\/b> \u2014 este o variant\u0103 u\u0219or modificat\u0103 a modelului anterior, cu un num\u0103r mai mic de restric\u021bii privind volumul RAM. Este \u00een continuare un server scalabil vertical, dar volumul maxim de RAM pe 2 procesoare este deja de 1536 GB (p\u00e2n\u0103 la versiunea SPS11) \u0219i 3 TB (SPS12+). Potrivit doar pentru SoH.\n<\/li>\n<li><b>Scale-Out <\/b>\u2013 este o variant\u0103 cu scalare orizontal\u0103, un sistem care suport\u0103 configura\u021bii multi-server. Scalarea orizontal\u0103 este optim\u0103 pentru BW \u0219i \u2013 cu unele restric\u021bii \u2013 pentru SoH.\n<\/li>\n<\/ul>\n<p>\n\u00cen serverele BullSequana S \u0219i Bullion S, scalarea vertical\u0103 este principal\u0103, deoarece are mai pu\u021bine restric\u021bii opera\u021bionale \u0219i necesit\u0103 mai pu\u021bin\u0103 administrare. Pentru modul Appliance exist\u0103 o gam\u0103 larg\u0103 de dispozitive diferite.<\/p>\n<p><img decoding=\"async\" alt=\"Cum s\u0103 implementa\u021bi SAP HANA: analiz\u0103m diferitele metode\" src=\"\/wp-content\/uploads\/2019\/04\/d8f02c6692cc80599e34c8dee35d37d0.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Solu\u021biile BullSequana S pentru SAP HANA \u00een modul Appliance<\/i><\/p>\n<p><img decoding=\"async\" alt=\"Cum s\u0103 implementa\u021bi SAP HANA: analiz\u0103m diferitele metode\" src=\"\/wp-content\/uploads\/2019\/04\/a2e4a31d160618680b79a19244a5dc71.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n*Optional E7-8890\/94v4<br \/>\n<i>Solu\u021biile Bullion S pentru SAP HANA \u00een modul Appliance<\/i><\/p>\n<p>Toate solu\u021biile Bull \u00een modul Appliance, \u00eencep\u00e2nd cu versiunea SAP HANA SPS 12, sunt certificate. Echipamentul este instalat \u00een rack standard de 19 inci 42U, cu dou\u0103 surse de alimentare \u2014 PDU interne. Serverele certificate de SAP sunt:<\/p>\n<ul>\n<li>BullSequana S cu Intel Xeon Skylake 8176, 8176M, 8180, 8180M (procesorul cu litera \u201eM\u201d suport\u0103 module de memorie de 128 GB). \u00cen ceea ce prive\u0219te raportul pre\u021b-calitate, cele mai bune op\u021biuni sunt cele cu Intel 8176.\n<\/li>\n<li>Bullion S cu Intel Xeon E7-8880 v4, 8890 \u0219i 8894. \n<\/li>\n<\/ul>\n<p>\nSistemul de stocare conecteaz\u0103 direct serverul prin porturile FC, astfel c\u0103 switch-urile SAN nu sunt necesare. Acestea pot fi utile pentru accesul la sistemele conectate la LAN sau SAN.<\/p>\n<p>Iat\u0103 un exemplu de configura\u021bie a sistemului de stocare EMC Unity 450F \u00een setup-ul nostru:<\/p>\n<ul>\n<li>\u00cen\u0103l\u021bime: 5U (DPE 3U (25\u00d72,5\" HDD\/SSD) + DAE 2U (25\u00d72,5\" HDD\/SSD))\n<\/li>\n<li>Controlere: 2\n<\/li>\n<li>Discuri: de la 6 la 250 SAS SSD, de la 600 GB la 15,36 TB fiecare\n<\/li>\n<li>RAID: nivel 5 (8+1), 4 grupuri RAID\n<\/li>\n<li>Interfa\u021b\u0103: 4 FC pe controler, fiecare de 8 sau 16 Gbit\/s\n<\/li>\n<li>Software: Unisphere Block Suite\n<\/li>\n<\/ul>\n<p>\nAppliance-ul este o op\u021biune fiabil\u0103 pentru desf\u0103\u0219urare, dar are un dezavantaj major: <i>pu\u021bin\u0103 libertate \u00een configurarea hardware-ului.<\/i>\u00cen plus, o astfel de op\u021biune poate necesita modific\u0103ri \u00een procesele departamentului IT. <\/p>\n<h2>SAP HANA TDI<\/h2>\n<p>\nAlternativa la Appliance este modul TDI (Tailored Data center Integration), \u00een care se pot alege produc\u0103tori \u0219i componente specifice pentru infrastructur\u0103 \u00een func\u021bie de cerin\u021bele clientului \u2013 \u021bin\u00e2nd cont de sarcinile realizate \u0219i de \u00eenc\u0103rc\u0103tura de lucru. De exemplu, SAN-ul poate fi reutilizat \u00een data center, \u00een timp ce unele discuri sunt destinate instal\u0103rii HANA.<\/p>\n<p>Comparativ cu Appliance, \u00een modul TDI utilizatorul beneficiaz\u0103 de mult mai mult\u0103 libertate pentru a respecta cerin\u021bele. Aceasta simplific\u0103 semnificativ integrarea HANA \u00een data center \u2014 se poate construi o infrastructur\u0103 personalizat\u0103. De exemplu, se poate varia tipul \u0219i num\u0103rul de procesoare \u00een func\u021bie de \u00eenc\u0103rcare.<\/p>\n<p><img decoding=\"async\" alt=\"Cum s\u0103 implementa\u021bi SAP HANA: analiz\u0103m diferitele metode\" src=\"\/wp-content\/uploads\/2019\/04\/593bf3943fc2db5b1556b61111c6516e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nPentru calcularea capacit\u0103\u021bilor, se recomand\u0103 utilizarea SAP Quick Sizer \u2014 un instrument simplu care ofer\u0103 cerin\u021bele pentru CPU \u0219i memorie \u00een func\u021bie de diferite sarcini de lucru \u00een SAP HANA. Apoi, pentru planificarea peisajului IT, se poate apela la SAP Active Global Support. Dup\u0103 aceasta, partenerul hardware al SAP HANA transform\u0103 rezultatele calculelor \u00een diferite configura\u021bii posibile ale sistemului \u2014 at\u00e2t pe hardware de v\u00e2rf, c\u00e2t \u0219i pe echipamente mai simple. \u00cen modul TDI pentru servere, <i>se permite utilizarea CPU Intel E7, inclusiv Intel Broadwell E7 \u0219i Skylake-SP (Platinum, Gold, Silver cu 8 sau mai multe nuclee pe procesor), precum \u0219i IBM Power8.<\/i>\/9.<\/p>\n<p>Serverele sunt livrate f\u0103r\u0103 sistem de stocare, switch-uri \u0219i rack-uri, dar cerin\u021bele hardware r\u0103m\u00e2n acelea\u0219i ca \u00een modul Appliance \u2014 acelea\u0219i noduri unice, solu\u021bii de scalare vertical\u0103 sau orizontal\u0103. SAP cere ca <i>au fost utilizate doar servere, sisteme de stocare \u0219i comutatoare certificate<\/i>, dar nu este o problem\u0103 \u2014 majoritatea produc\u0103torilor au practic toat\u0103 echipamentele certificate.<\/p>\n<p><i>Verificarea performan\u021bei trebuie efectuat\u0103 cu ajutorul testelor HWCCT (Hardware Configuration Check Tool)<\/i>, care permit verificarea respect\u0103rii anumitor KPI SAP. \u0218i exist\u0103 o cerin\u021b\u0103 care nu este legat\u0103 de hardware: <i>HANA, sistemul de operare \u0219i hypervisorul (op\u021bional) trebuie s\u0103 fie instalate de speciali\u0219ti certifica\u021bi SAP<\/i>. Numai sistemele care respect\u0103 toate regulile enumerate pot beneficia de suportul SAP legat de performan\u021b\u0103.<\/p>\n<p>Gama de servere BullSequana S \u00een modul TDI este similar\u0103 cu gama \u00een modul Appliance, dar f\u0103r\u0103 sisteme de stocare, comutatoare \u0219i rack. La acestea se pot conecta orice sisteme de stocare din lista certificat\u0103 SAP \u2014 VNX, XtremIO, NetApp \u0219i altele. De exemplu, dac\u0103 VNX5400 respect\u0103 cerin\u021bele de performan\u021b\u0103 SAP HANA, se poate conecta sistemul de stocare Dell EMC Unity 450F ca parte a configura\u021biei TDI. Dac\u0103 este necesar, se instaleaz\u0103 adaptoare FC (1 sau 10 Gbps), precum \u0219i switch-uri Ethernet.<\/p>\n<p>Acum, pentru a v\u0103 oferi o imagine mai clar\u0103 a modurilor descrise, v\u0103 vom povesti despre c\u00e2teva dintre cazurile noastre reale.<\/p>\n<h2>Appliance + TDI: HANA pentru magazinul online <\/h2>\n<p>\nMagazinul online Mall.cz, parte a grupului Mall, a fost fondat \u00een anul 2000. Are filiale \u00een Cehia, Slovacia, Polonia, Ungaria, Slovenia, Croa\u021bia \u0219i Rom\u00e2nia. Este cel mai mare magazin online din \u021bar\u0103, v\u00e2nz\u00e2nd p\u00e2n\u0103 la 75 de mii de produse pe zi, iar venitul s\u0103u pe parcursul anului 2017 a fost de aproximativ 280 milioane de euro.<\/p>\n<p>Actualizarea infrastructurii centrului de date a fost necesar\u0103 din cauza migra\u021biei c\u0103tre SAP HANA. Dimensiunea estimat\u0103 era de 2\u00d76 TB pentru mediu prod \u0219i 6 TB pentru medii test\/dev. \u00cen acela\u0219i timp, era nevoie de o solu\u021bie de recuperare \u00een caz de urgen\u021b\u0103 pentru mediul productiv SAP HANA \u00eentr-un cluster activ-activ.<\/p>\n<p>La momentul anun\u021b\u0103rii licita\u021biei, clientul avea un sistem pentru SAP bazat pe servere standard \u0219i blade. Dou\u0103 centre de date, situate la aproximativ 10 km distan\u021b\u0103 unul de cel\u0103lalt, erau echipate cu diverse sisteme de stocare - IBM SVC, HP \u0219i Dell. Sistemele cheie func\u021bionau \u00een modul de recuperare \u00een caz de dezastre.<\/p>\n<p>Ini\u021bial, clientul a solicitat o solu\u021bie certificat \u00een modul Appliance pentru SAP HANA pentru toate sistemele (medii de produc\u021bie \u0219i test\/dev) cu cre\u0219teri de p\u00e2n\u0103 la 12 TB. Dar din cauza restric\u021biilor bugetare, au \u00eenceput s\u0103 analizeze alte op\u021biuni - de exemplu, un num\u0103r mai mare de CPU cu module de RAM de capacitate mai mic\u0103 (module de 64 GB \u00een loc de module de 128 GB). \u00cen plus, pentru optimizarea costurilor, s-a luat \u00een considerare utilizarea unui storage comun pentru mediile de produc\u021bie \u0219i test\/dev.<\/p>\n<p><img decoding=\"async\" alt=\"Cum s\u0103 implementa\u021bi SAP HANA: analiz\u0103m diferitele metode\" src=\"\/wp-content\/uploads\/2019\/04\/6a940195ec78a4785fd1ba3658b5dc78.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nS-a convenit asupra a 4 CPU \u0219i 6 TB RAM pentru mediu de produc\u021bie, cu posibilitate de extindere. Pentru mediile test\/dev \u00een modul TDI, s-a decis s\u0103 se utilizeze CPU-uri mai ieftine - s-a ajuns la 8 CPU \u0219i 6 TB RAM. Din cauza unui num\u0103r mai mare de func\u021bii solicitate de client - replicare, backup, medii comune de produc\u021bie \u0219i test\/dev pe un al doilea site - s-a folosit un sistem de stocare DellEMC Unity \u00een configura\u021bie full-flash, \u00een loc de discuri interne. \u00cen plus, clientul a solicitat o solu\u021bie de recuperare de urgen\u021b\u0103 bazat\u0103 pe replicarea sistemului HANA (HSR) cu un nod de quorum pe un al treilea site.<\/p>\n<p>Configurarea final\u0103 pentru mediu Prod a constat dintr-un server BullSequana S400 cu Intel Xeon P8176M (28 de nuclee, 2.10 GHz, 165 W) \u0219i 6 TB RAM. Sistemul de stocare - Unity 450F 10x 3.84 TB. \u00cen scopuri de disaster recovery pentru mediu Prod, s-a utilizat BullSequana S400 cu Intel Xeon P8176M (28 de nuclee, 2.10 GHz, 165 W) \u0219i 6 TB RAM. Pentru mediu test\/dev, s-a ales serverul BullSequana S800 cu Intel Xeon P8153 (16 nuclee, 2.00 GHz, 125 W) \u0219i 6 TB RAM plus sistemul de stocare Unity 450F 15x 3.84 TB. Ca parte a solu\u021biei de quorum, serverele aplica\u021biilor (solu\u021bia VxRail) \u0219i solu\u021bia de backup (DataDomain) au fost instalate \u0219i configurate de speciali\u0219tii no\u0219tri.<\/p>\n<p><img decoding=\"async\" alt=\"Cum s\u0103 implementa\u021bi SAP HANA: analiz\u0103m diferitele metode\" src=\"\/wp-content\/uploads\/2019\/04\/67a8053fcb304c539e159cdb76ead125.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Echipamentele sunt preg\u0103tite pentru viitoare upgrade-uri. Clientul a\u0219teapt\u0103 o cre\u0219tere a dimensiunii HANA \u00een 2019 \u0219i va trebui doar s\u0103 instaleze modulele noi \u00een rack-uri.<\/i><\/p>\n<h2>Appliance: HANA pentru un mare integrator \u00een domeniul turismului <\/h2>\n<p>\nDe data aceasta, clientul nostru este un mare furnizor de servicii IT care dezvolt\u0103 solu\u021bii tehnologice pentru companiile din turism. Clientul a lansat un proiect ambi\u021bios SAP HANA pentru implementarea unui nou sistem de facturare. A fost necesar\u0103 o solu\u021bie \u00een modul Appliance cu 8 TB RAM pentru mediile de produc\u021bie \u0219i PreProd. Conform recomand\u0103rilor SAP, clientul a ales op\u021biunea cu scalare vertical\u0103.<\/p>\n<p>Obiectivul principal a fost implementarea unei infrastructuri hardware bazate pe dispozitive certificate \u00een modul Appliance pentru SAP HANA. Criteriile prioritare au fost eficien\u021ba costurilor, performan\u021ba ridicat\u0103, posibilitatea de scalare \u0219i disponibilitatea mare a datelor.<\/p>\n<p>Am propus \u0219i implementat o solu\u021bie certificat\u0103 SAP, care include dou\u0103 servere Bullion S16 \u2013 pentru medii Prod \u0219i PreProd. Echipamentul func\u021bioneaz\u0103 pe procesoare Intel Xeon E7-v4 8890 (24 de nuclee, 2.20 GHz, 165 W) \u0219i este echipat cu 16 TB RAM. Pentru BW \u0219i medii Dev\/Test am instalat nou\u0103 servere Bullion S4 (22 de nuclee, 2.20 GHz, 150 W) cu c\u00e2te 4 TB RAM. Ca sistem de stocare a fost utilizat\u0103 solu\u021bia hibrid\u0103 EMC Unity.<\/p>\n<p>Aceast\u0103 solu\u021bie ofer\u0103 suport pentru scalarea tuturor elementelor dispozitivului \u2013 de exemplu, p\u00e2n\u0103 la 16 socluri cu CPU Intel Xeon E7-v4. Administrarea \u00een aceast\u0103 configura\u021bie este simplificat\u0103 \u2013 \u00een special pentru reconfigurarea sau \u00eemp\u0103r\u021birea serverului \u00een parti\u021bii.<\/p>\n<h2>Appliance + TDI: HANA pentru metalurgi<\/h2>\n<p>\nGMC \u201eNornickel\u201d \u2013 unul dintre cei mai mari produc\u0103tori de nichel \u0219i paladiu \u2013 a decis s\u0103 \u00ee\u0219i actualizeze platforma hardware SAP HANA pentru a asigura func\u021bionarea aplica\u021biilor de afaceri esen\u021biale \u0219i proiectelor. A fost necesar\u0103 extinderea peisajului existent \u00een ceea ce prive\u0219te puterea de calcul. Una dintre condi\u021biile principale impuse de client a fost disponibilitatea ridicat\u0103 a platformei \u2013 \u00een ciuda limit\u0103rilor hardware.<\/p>\n<p><img decoding=\"async\" alt=\"Cum s\u0103 implementa\u021bi SAP HANA: analiz\u0103m diferitele metode\" src=\"\/wp-content\/uploads\/2019\/04\/4c1a9930e1c5e3dbe71443e5e1d1da7e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPentru medii productive am utilizat serverul Bullion S8 \u0219i sistemul de stocare \u00een modul SAP HANA Appliance. Pentru HA \u0219i platformele test\/dev, am desf\u0103\u0219urat solu\u021bia \u00een modul TDI. Am folosit un server Bull Bullion S8, dou\u0103 Bull Bullion S6 \u0219i un sistem de stocare hibrid. Aceast\u0103 combina\u021bie a permis cre\u0219terea semnificativ\u0103 a vitezei de operare a aplica\u021biilor din peisajul SAP, sporind puterea de calcul \u0219i resursele de stocare a datelor, minimiz\u00e2nd \u00een acela\u0219i timp costurile opera\u021bionale. De asemenea, este important c\u0103 clientul a avut posibilitatea de scalare p\u00e2n\u0103 la 16 CPU.<\/p>\n<h2>V\u0103 invit\u0103m la Forumul SAP<\/h2>\n<p>\n\u00cen aceast\u0103 postare am discutat despre desf\u0103\u0219urarea SAP HANA \u00een diferite moduri \u0219i am \u00eencercat s\u0103 eviden\u021biem avantajele \u0219i dezavantajele op\u021biunilor disponibile. Dac\u0103 ave\u021bi \u00eentreb\u0103ri legate de implementarea SAP HANA, vom fi bucuro\u0219i s\u0103 r\u0103spundem la acestea \u00een comentarii.<\/p>\n<p>Cei interesa\u021bi de solu\u021biile Bull \u0219i de posibilit\u0103\u021bile de implementare sub SAP HANA sunt invita\u021bi la cel mai mare eveniment SAP al anului: pe 17 aprilie la Moscova va avea loc Forumul SAP 2019. V\u0103 a\u0219tept\u0103m la standul nostru din zona IoT: vom \u00eemp\u0103rt\u0103\u0219i multe informa\u021bii interesante \u0219i vom organiza numeroase premii.<\/p>\n<p>Ne vedem la forum!<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/bull\/blog\/446858\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>SAP HANA \u2014 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u0430\u044f in-memory \u0421\u0423\u0411\u0414, \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0430\u044f \u0441\u0435\u0440\u0432\u0438\u0441\u044b \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449 (Data Warehouse) \u0438 \u0430\u043d\u0430\u043b\u0438\u0442\u0438\u043a\u0438, \u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u043e\u0435 \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u043e\u0435 \u041f\u041e, \u0441\u0435\u0440\u0432\u0435\u0440 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443 \u0434\u043b\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u0438\u043b\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043d\u043e\u0432\u044b\u0445 \u0443\u0442\u0438\u043b\u0438\u0442. \u0417\u0430 \u0441\u0447\u0435\u0442 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0437\u0430\u0434\u0435\u0440\u0436\u0435\u043a \u0442\u0440\u0430\u0434\u0438\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0421\u0423\u0411\u0414 \u0441 SAP HANA \u043c\u043e\u0436\u043d\u043e \u0441\u0438\u043b\u044c\u043d\u043e \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c, \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 (OLTP) \u0438 \u0431\u0438\u0437\u043d\u0435\u0441-\u0430\u043d\u0430\u043b\u0438\u0442\u0438\u043a\u0443 (OLAP). \u0420\u0430\u0437\u0432\u0435\u0440\u043d\u0443\u0442\u044c SAP HANA \u043c\u043e\u0436\u043d\u043e \u0432 \u0440\u0435\u0436\u0438\u043c\u0430\u0445 Appliance \u0438 TDI (\u0435\u0441\u043b\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":22963,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-30987","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"SAP HANA \u2014 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u0430\u044f in-memory \u0421\u0423\u0411\u0414, 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