{"id":95981,"date":"2020-10-06T01:43:06","date_gmt":"2020-10-05T23:43:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/opyt-smeny-sap-hostinga-kak-migrirovat-sistemy-chtoby-ne-bylo-muchitelno-bolno"},"modified":"2020-10-06T01:43:06","modified_gmt":"2020-10-05T23:43:06","slug":"opyt-smeny-sap-hostinga-kak-migrirovat-sistemy-chtoby-ne-bylo-muchitelno-bolno","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/opyt-smeny-sap-hostinga-kak-migrirovat-sistemy-chtoby-ne-bylo-muchitelno-bolno","title":{"rendered":"Experien\u021ba schimb\u0103rii hostingului SAP: cum s\u0103 migrezi sistemele f\u0103r\u0103 a suferi dureros","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Experien\u021ba schimb\u0103rii hostingului SAP: cum s\u0103 migrezi sistemele f\u0103r\u0103 a suferi dureros\" src=\"\/wp-content\/uploads\/2020\/10\/573a399cc8d2c0e30cd97478bfcfcbca.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSe poate? Desigur, migrarea sistemelor SAP este un proces complex \u0219i laborios, pentru succesul c\u0103ruia este esen\u021bial\u0103 colaborarea eficient\u0103 a tuturor participan\u021bilor. Iar dac\u0103 migrarea se desf\u0103\u0219oar\u0103 \u00eentr-un interval scurt de timp, sarcina devine cu mult mai complicat\u0103. Nu to\u021bi sunt preg\u0103ti\u021bi pentru asta. Pot exista mai multe motive. De exemplu, procesul este \u00een sine lung \u0219i organizatoric complicat. \u00cen plus, exist\u0103 riscul unor opriri neplanificate ale sistemelor. Sau clien\u021bii nu sunt siguri c\u0103, dup\u0103 o astfel de opera\u021biune, vor ob\u021bine beneficii pe m\u0103sura eforturilor depuse. Cu toate acestea, exist\u0103 \u0219i excep\u021bii. <br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nSub acest articol, v\u0103 vom povesti despre dificult\u0103\u021bile cu care se confrunt\u0103 clien\u021bii \u00een timpul migra\u021biei \u0219i \u00eentre\u021binerii sistemelor SAP, vom discuta de ce stereotipurile nu corespund \u00eentotdeauna realit\u0103\u021bii \u0219i vom \u00eemp\u0103rt\u0103\u0219i un caz \u00een care am reu\u0219it s\u0103 migr\u0103m sistemele clientului \u00eentr-o nou\u0103 infrastructur\u0103 \u00een doar pu\u021bin peste trei luni. <\/p>\n<h3>Hosting pentru sistemele SAP<\/h3>\n<p>\nAcum cinci ani, era greu de imaginat c\u0103 clien\u021bii vor \u00eencepe s\u0103 utilizeze masiv resursele de hosting pentru aplica\u021bii SAP. \u00cen majoritatea cazurilor, acestea erau implementate pe premise proprii. Totu\u0219i, odat\u0103 cu dezvoltarea modelului de outsourcing \u0219i a pie\u021bei serviciilor cloud, percep\u021bia clien\u021bilor a \u00eenceput s\u0103 se schimbe. Care sunt argumentele care influen\u021beaz\u0103 alegerea cloud-ului pentru SAP?<\/p>\n<ul>\n<li>Pentru \u00eencep\u0103tori, care doar planific\u0103 implementarea SAP, infrastructura cloud este practic o alegere standard - scalabilitatea resurselor \u00een func\u021bie de nevoile curente ale sistemului \u0219i nevoia de a nu devia resursele pentru dezvoltarea competen\u021belor non-core.<\/li>\n<li>\u00cen companiile cu un peisaj sistemic complex, prin intermediul hosting-ului sistemelor SAP, CIO-urile ajung la un nivel calitativ diferit de gestionare a riscurilor, deoarece partenerul este responsabil pentru SLA.<\/li>\n<li>Al treilea dintre cele mai frecvente argumente este costul ridicat al construirii infrastructurii pentru implementarea scenariilor de disponibilitate ridicat\u0103 \u0219i DR.<\/li>\n<li>Factorul 2027 - \u00eencetarea suportului pentru sistemele \u00eenvechite anun\u021bat\u0103 de furnizor \u00een 2027. Aceasta \u00eenseamn\u0103 migrarea bazei de date pe HANA, ceea ce implic\u0103 cheltuieli pentru modernizare \u0219i achizi\u021bionarea de noi capabilit\u0103\u021bi computa\u021bionale.<\/li>\n<\/ul>\n<p>\nPia\u021ba de hosting SAP din Rusia poate fi considerat\u0103 acum destul de matur\u0103. Acest lucru ofer\u0103 oportunit\u0103\u021bi largi pentru clien\u021bii care doresc s\u0103 \u00ee\u0219i schimbe platformele de hosting. Totu\u0219i, astfel de proiecte pot justifica temerile afacerilor din cauza complexit\u0103\u021bii procesului de migra\u021bie. Acest aspect impune clien\u021bilor s\u0103 aib\u0103 cerin\u021be ridicate fa\u021b\u0103 de furnizorii de servicii, care trebuie nu doar s\u0103 aib\u0103 competen\u021be excep\u021bionale \u00een hosting \u0219i suport pentru sistemele SAP, ci \u0219i o experien\u021b\u0103 de succes \u00een domeniul migra\u021biei. <\/p>\n<h3>Care sunt dificult\u0103\u021bile schimb\u0103rii hostingului SAP? <\/h3>\n<p>\nExist\u0103 diferite tipuri de hosting. Neconformitatea cu nivelul de servicii declarat, numeroase \u00abdaruri\u00bb \u0219i asteriscuri cu condi\u021bii fine, limit\u0103rile resurselor \u0219i capacit\u0103\u021bilor, <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/\"   title=\"furnizor de g\u0103zduire\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1214\">furnizor de g\u0103zduire<\/a>, lipsa flexibilit\u0103\u021bii \u00een comunicarea cu clientul, birocra\u021bia, limit\u0103rile tehnice, competen\u021ba sc\u0103zut\u0103 a speciali\u0219tilor din suportul tehnic, precum \u0219i multe alte nuan\u021be \u2014 sunt doar o mic\u0103 parte din capcanele cu care se pot confrunta clien\u021bii \u00een procesul exploat\u0103rii sistemelor lor de afaceri \u00een infrastructuri externalizate. Adesea, pentru client, toate acestea r\u0103m\u00e2n \u00een umbr\u0103, \u00een h\u0103\u021bi\u0219ul unui contract complex, \u0219i ies la iveal\u0103 abia \u00een procesul utiliz\u0103rii serviciilor. <\/p>\n<p>La un moment dat, devine evident pentru client c\u0103 nivelul de servicii pe care \u00eel prime\u0219te este departe de a\u0219tept\u0103rile sale. Acest lucru devine un catalizator pentru c\u0103utarea solu\u021biilor pentru a remedia situa\u021bia \u0219i, \u00een cazul e\u0219ecului, c\u00e2nd problemele se acumuleaz\u0103 p\u00e2n\u0103 la un punct critic \u0219i devin dureroase, se trece la ac\u021biuni active \u00een vederea explor\u0103rii unor op\u021biuni alternative \u00een direc\u021bia schimb\u0103rii furnizorului de servicii.<\/p>\n<p>De ce am\u00e2n\u0103 p\u00e2n\u0103 \u00een ultimul moment? Motivul este simplu \u2014 procesul de transfer al sistemelor pentru clien\u021bi nu este \u00eentotdeauna transparent \u0219i clar. Clientului \u00eei este greu s\u0103 evalueze riscurile reale asociate cu procesul de migra\u021bie. Se poate spune c\u0103 migrarea pentru clien\u021bi este un fel de cutie neagr\u0103: nu se \u0219tie pre\u021bul, timpul de inactivitate a sistemelor, riscurile \u0219i cum s\u0103 le managezi, \u0219i, \u00een general, este \u00eentunecos \u0219i \u00eenfrico\u0219\u0103tor. Aici este o problem\u0103: dac\u0103 nu reu\u0219e\u0219te, capetele vor c\u0103dea at\u00e2t la lideri, c\u00e2t \u0219i la executan\u021bi.<\/p>\n<p>SAP \u2014 este un sistem de nivel enterprise, complex \u0219i, ca s\u0103 fiu sincer, nu tocmai ieftin. Implementarea, adaptarea \u0219i \u00eentre\u021binerea acestuia implic\u0103 bugete considerabile, iar disponibilitatea \u0219i func\u021bionarea corect\u0103 depind de via\u021ba opera\u021bional\u0103 a \u00eentreprinderii. Acum imagina\u021bi-v\u0103 consecin\u021bele opririi unei mari produc\u021bii. Acestea sunt pierderi financiare ce pot fi exprimate \u00een cifre cu multe zerouri, precum \u0219i riscuri reputa\u021bionale \u0219i altele, cel pu\u021bin la fel de semnificative. <\/p>\n<p>S\u0103 analiz\u0103m dificult\u0103\u021bile care pot ap\u0103rea \u00een fiecare etap\u0103 prin cazul de migrare a sistemelor SAP pentru unul dintre clien\u021bii no\u0219tri. <\/p>\n<h3>Preg\u0103tire \u0219i proiectare<\/h3>\n<p>\nMigrarea este o formul\u0103 cu multe componente diverse. \u0218i unul dintre cele mai importante este etapa de proiectare \u0219i preg\u0103tire a infrastructurii \u021bint\u0103 (noi). <\/p>\n<p>A trebuit s\u0103 ne aprofund\u0103m \u00een implementarea existent\u0103 a sistemelor, \u00een arhitectura acestora. \u00cen infrastructura \u021bint\u0103, am repetat unele solu\u021bii existente, \u00een alte momente le-am completat \u0219i \u00eembun\u0103t\u0103\u021bit, iar \u00een unele cazuri am reproiectat, g\u00e2ndit \u0219i ales solu\u021bii pentru asigurarea redundan\u021bei \u0219i disponibilit\u0103\u021bii, precum \u0219i am consolidat toate resursele c\u00e2t mai mult posibil.<\/p>\n<p>\u00cen procesul de proiectare, au fost efectuate multe exerci\u021bii diverse, care, \u00een cele din urm\u0103, ne-au permis s\u0103 ne preg\u0103tim c\u00e2t mai bine pentru migrare \u0219i s\u0103 lu\u0103m \u00een considerare toate nuan\u021bele \u0219i capcanele posibile (despre care vom discuta mai t\u00e2rziu).<\/p>\n<p>Ce am ob\u021binut \u00een rezultat \u2014 o infrastructur\u0103 de cloud privat proiectat\u0103 individual pe baza centrului nostru de date:<\/p>\n<ul>\n<li>servere fizice dedicate pentru SAP HANA; <\/li>\n<li>platform\u0103 de virtualizare VMware pentru serverele de aplica\u021bii \u0219i serviciile de infrastructur\u0103;<\/li>\n<li>canale de comunica\u021bie duplicate \u00eentre centrele de date pentru L2 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/vpn\/\"   title=\"VPN\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"135\">VPN<\/a>;<\/li>\n<li>dou\u0103 stoc\u0103ri de date principale pentru separarea produsului \u0219i \u00abaltor\u00bb;<\/li>\n<li>SRK bazat pe Veritas Netbackup cu un server dedicat, raft de discuri \u0219i bibliotec\u0103 de benzi.<\/li>\n<\/ul>\n<p>\n<img decoding=\"async\" alt=\"Experien\u021ba schimb\u0103rii hostingului SAP: cum s\u0103 migrezi sistemele f\u0103r\u0103 a suferi dureros\" src=\"\/wp-content\/uploads\/2020\/10\/737d05a99e17a99fe67b8fc196f40c1e.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nIat\u0103 cum am implementat toate acestea din punct de vedere tehnic. <\/p>\n<h3>SAP<\/h3>\n<p><\/p>\n<ul>\n<li>Pentru a utiliza eficient r\u0103d\u0103cinile pentru HANA productive, am folosit discuri comune f\u0103r\u0103 replicarea sistemului de baze de date prin intermediul SAP. Totul a fost \u00eencapsulat \u00eentr-un cluster Active-Standby SUSE HAE bazat pe Pacemaker. Da, timpul de recuperare este pu\u021bin mai lung dec\u00e2t cu replicarea, dar ob\u021binem o economisire a spa\u021biului de stocare \u00een dou\u0103 ori \u0219i, ca urmare, o economisire a bugetului clientului. <\/li>\n<li>\u00cen medii de preproductie, clusterele HANA au fost abandonate, dar configura\u021bia de produc\u021bie a fost replicat\u0103 tehnic. <\/li>\n<li>Mediile de testare \u0219i cele de dezvoltare au fost distribuite pe mai multe servere f\u0103r\u0103 clustere \u00een configura\u021bia MCOS.<\/li>\n<li>Toate serverele de aplica\u021bii au fost virtualizate \u0219i plasate \u00een VMware.<\/li>\n<\/ul>\n<p><\/p>\n<h3>Re\u021bele<\/h3>\n<p><\/p>\n<ul>\n<li>Contururile re\u021belelor de gestionare \u0219i cele productive au fost fizic separate folosind stive de comutatoare, \u00eendrept\u00e2nd re\u021belele productive spre centrul de date al clientului.<\/li>\n<li>S-a prev\u0103zut un num\u0103r suficient de interfe\u021be de re\u021bea pentru a nu amesteca volume mari de trafic.<\/li>\n<li>Pentru transmiterea datelor de la sistemele de stocare, au fost realizate fabrici FC SAN clasice.<\/li>\n<\/ul>\n<p><\/p>\n<h3>Sisteme de stocare<\/h3>\n<p><\/p>\n<ul>\n<li>Sarcina productiv\u0103 \u0219i preproductiv\u0103 a SAP a fost p\u0103strat\u0103 pe un array all-flash.<\/li>\n<li>Mediile de testare pentru dezvoltatori \u0219i serviciile infrastructurii au fost plasate pe un array hibrid separat.<\/li>\n<\/ul>\n<p><\/p>\n<h3>SRK<\/h3>\n<p><\/p>\n<ul>\n<li>A fost realizat pe baza Veritas Netbackup.<\/li>\n<li>Am ad\u0103ugat c\u00e2teva scripturi \u00eencorporate pentru a face backup configura\u021biilor MCOS.<\/li>\n<li>Copiile operative au fost plasate pe un raft de discuri pentru o recuperare rapid\u0103, iar pentru stocarea pe termen lung folosim benzi. <\/li>\n<\/ul>\n<p><\/p>\n<h3>Monitorizare<\/h3>\n<p><\/p>\n<ul>\n<li>Toate hardware-urile, sistemele de operare \u0219i SAP au fost integrate \u00een Zabbix. <\/li>\n<li>Am creat numeroase tablouri de bord utile \u00een Grafana. <\/li>\n<li>\u00cen cazul unui alert, Zabbix poate genera o cerere \u00een sistemul de gestionare a incidentelor, care la noi este implementat \u00een Jira. De asemenea, informa\u021bia este dublat\u0103 \u00eentr-un canal Telegram.<\/li>\n<\/ul>\n<p><\/p>\n<h3>Telegram<\/h3>\n<p>\n<img decoding=\"async\" alt=\"Experien\u021ba schimb\u0103rii hostingului SAP: cum s\u0103 migrezi sistemele f\u0103r\u0103 a suferi dureros\" src=\"\/wp-content\/uploads\/2020\/10\/1dd829950ceadcb2541dc96912850e67.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3>Starea general\u0103 a HANA <\/h3>\n<p>\n<img decoding=\"async\" alt=\"Experien\u021ba schimb\u0103rii hostingului SAP: cum s\u0103 migrezi sistemele f\u0103r\u0103 a suferi dureros\" src=\"\/wp-content\/uploads\/2020\/10\/754b658441da1903a179f4b62041af45.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Starea serverului de aplica\u021bii SAP:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Experien\u021ba schimb\u0103rii hostingului SAP: cum s\u0103 migrezi sistemele f\u0103r\u0103 a suferi dureros\" src=\"\/wp-content\/uploads\/2020\/10\/bc9ff5a68fd285e477a1c3978275c086.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3>Serviciile de infrastructur\u0103<\/h3>\n<p><\/p>\n<ul>\n<li>Pentru a gestiona spa\u021biile interne de nume, am ridicat un cluster de servere DNS, care se sincronizeaz\u0103 cu serverele clientului. <\/li>\n<li>Am realizat un server de fi\u0219iere separat pentru schimbul de date. <\/li>\n<li>Pentru a stoca diverse configura\u021bii, am ad\u0103ugat Gitlab. <\/li>\n<li>Pentru informa\u021bii sensibile, am ales HashiCorp Vault.<\/li>\n<\/ul>\n<p><\/p>\n<h3>Procesul de migrare<\/h3>\n<p>\n\u00cen general, procesul de migrare const\u0103 \u00een urm\u0103toarele etape:<\/p>\n<ul>\n<li>preg\u0103tirea toat\u0103 documenta\u021bia de proiect necesar\u0103;<\/li>\n<li>negocieri cu furnizorul actual \u2014 rezolvarea problemelor organiza\u021bionale;<\/li>\n<li>achizi\u021bia, livrarea \u0219i instalarea echipamentului nou pentru proiect;<\/li>\n<li>migrarea de testare \u0219i ajustarea procesului;<\/li>\n<li>transferul sistemelor, migrarea real\u0103.<\/li>\n<\/ul>\n<p>\nLa sf\u00e2r\u0219itul lunii octombrie 2019, am semnat un contract, dup\u0103 care am proiectat arhitectura, iar dup\u0103 aprobarea acesteia de c\u0103tre client am comandat echipamentele necesare. <\/p>\n<p>Ceea ce trebuie s\u0103 fie prioritizat este termenul de livrare al echipamentului. \u00cen medie, livrarea hardware-ului certificat pentru SAP NAHA, care corespunde cerin\u021belor furnizorului de software pentru platformele hardware, dureaz\u0103 \u00eentre 10 \u0219i 12 s\u0103pt\u0103m\u00e2ni. Iar av\u00e2nd \u00een vedere sezonalitatea (implementarea proiectului coincide exact cu anul nou), acest termen ar putea s\u0103 se extind\u0103 cu \u00eenc\u0103 o lun\u0103. Prin urmare, a fost necesar s\u0103 acceler\u0103m procesul: am colaborat cu distribuitorul-furnizor \u0219i am negociat livr\u0103ri accelerate cu avioanele (\u00een loc de rute terestre \u0219i maritime).<\/p>\n<p>Lunile noiembrie \u0219i decembrie au fost dedicate preg\u0103tirii pentru migrarea \u0219i ob\u021binerii unei p\u0103r\u021bi din echipament. Preg\u0103tirea a fost realizat\u0103 pe un stand de testare \u00een cloud-ul nostru public, unde am exersat to\u021bi pa\u0219ii esen\u021biali \u0219i am identificat posibilele dificult\u0103\u021bi \u0219i probleme:<\/p>\n<ul>\n<li>am preg\u0103tit un plan detaliat de interac\u021biune a participan\u021bilor din echipele proiectului, cu timpi specifica\u021bi minut cu minut;<\/li>\n<li>am construit un stand de testare pentru baza de date \u0219i serverele aplica\u021biilor aproximativ la fel ca \u00een infrastructura \u021bint\u0103;<\/li>\n<li>am configurat canalele de comunicare necesare \u0219i serviciile infrastructurale pentru a verifica func\u021bionarea integr\u0103rilor;<\/li>\n<li>am exersat scenarii de cutover;<\/li>\n<li>cloud-ul ne-a ajutat, de asemenea, s\u0103 form\u0103m \u0219abloane virtuale pre-configurate, pe care ulterior le-am importat \u0219i desf\u0103\u0219urat \u00een peisajul \u021bint\u0103. <\/li>\n<\/ul>\n<p>\nCu pu\u021bin timp \u00eenainte de s\u0103rb\u0103torile de Anul Nou, a sosit prima parte a echipamentului. Acest lucru ne-a permis s\u0103 desf\u0103\u0219ur\u0103m o parte din sisteme pe hardware-ul real. Deoarece nu a sosit tot echipamentul, am conectat echipamente temporare, pentru care am reu\u0219it s\u0103 negoci\u0103m cu v\u00e2nz\u0103torul \u0219i distribuitorii. Restul infrastructurii \u021bint\u0103 l-am primit deja \u00een etapa final\u0103.<br \/>\nPentru a termina la timp, inginerii no\u0219tri au trebuit s\u0103 sacrifice vacan\u021bele de Anul Nou \u0219i s\u0103 \u00eenceap\u0103 lucrul la preg\u0103tirea infrastructurii \u021bint\u0103 pe 2 ianuarie, \u00een plin v\u00e2rtej al s\u0103rb\u0103torilor. Da, astfel de situa\u021bii se mai \u00eent\u00e2mpl\u0103, c\u00e2nd este vorba de un termen limit\u0103 \u0219i nu sunt alte op\u021biuni. Era \u00een joc func\u021bionalitatea sistemelor de care depind activit\u0103\u021bile \u00eentreprinderii.<\/p>\n<p>Ordinea general\u0103 a migra\u021biei a fost urm\u0103toarea: mai \u00eent\u00e2i \u2013 sistemele cele mai pu\u021bin critice (peisajul de dezvoltare, peisajul de testare), apoi \u2013 sistemele productive. Etapa final\u0103 a migra\u021biei a avut loc la sf\u00e2r\u0219itul lunii ianuarie \u0219i \u00eenceputul lunii februarie.<\/p>\n<p><img decoding=\"async\" alt=\"Experien\u021ba schimb\u0103rii hostingului SAP: cum s\u0103 migrezi sistemele f\u0103r\u0103 a suferi dureros\" src=\"\/wp-content\/uploads\/2020\/10\/154fa75c3b3083f05305c9a6b05e9c75.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nProcesul de migrare a fost detaliat cu precizie. Acesta este un plan cutover cu o list\u0103 a tuturor sarcinilor, timpul de execu\u021bie \u0219i persoanele responsabile. To\u021bi pa\u0219ii au fost deja exersa\u021bi \u00een migrarea de test, astfel c\u0103 \u00een migrarea real\u0103 a fost necesar doar s\u0103 se urmeze planul \u0219i s\u0103 se coordoneze procesul. <\/p>\n<p><img decoding=\"async\" alt=\"Experien\u021ba schimb\u0103rii hostingului SAP: cum s\u0103 migrezi sistemele f\u0103r\u0103 a suferi dureros\" src=\"\/wp-content\/uploads\/2020\/10\/022611d5583bff79ad69d785f7099cef.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nMigrarea a fost realizat\u0103 sistematic \u00een mai multe etape. Fiecare etap\u0103 a avut c\u00e2te dou\u0103 sisteme. <\/p>\n<p>Rezultatul sprintului de trei luni a fost un sistem complet func\u021bional \u00een Data Center KROK. \u00cen general, rezultatul pozitiv a fost ob\u021binut datorit\u0103 muncii colaborative, contribu\u021bia \u0219i d\u0103ruirea tuturor participan\u021bilor la proces fiind maxime.<\/p>\n<h3>Rolul clientului \u00een proiect<\/h3>\n<p>\nA comunica cu furnizorul pe care clientul nostru \u00eel p\u0103r\u0103sea a fost o provocare. Este de \u00een\u021beles, deoarece ei erau ultimii pe lista celor interesa\u021bi de finalizarea cu succes a proiectului. Clientul a preluat sarcinile de escaladare \u0219i gestionare a tuturor problemelor de comunicare, reu\u0219ind s\u0103 fac\u0103 acest lucru \u00een propor\u021bie de 100500%. Pentru aceasta \u00eei mul\u021bumim separat. F\u0103r\u0103 o astfel de participare activ\u0103 \u00een proces, rezultatul proiectului ar fi putut fi foarte diferit. <\/p>\n<p>Din cauza formaliz\u0103rii proceselor de c\u0103tre fostul furnizor, gestionarea infrastructurii era realizat\u0103 de speciali\u0219ti care erau, \u00een sens literal, departe de problemele clientului lor la acel moment. De exemplu, procesul de export al acelea\u0219i baze de date putea dura \u00eentre o or\u0103 \u0219i cinci. Atunci p\u0103rea c\u0103 este o magie, un secret care nu ni s-a deschis. Probabil, inginerii de suport tehnic se dedicau medita\u021biei, uit\u00e2nd c\u0103 undeva \u00een Rusia deadline-urile se apropie, inginerii f\u0103r\u0103 salate de Cr\u0103ciun, iar clientul pl\u00e2nge \u0219i sufer\u0103...<\/p>\n<h3>Concluziile proiectului<\/h3>\n<p>\nCoroana migra\u021biei a fost transferul sistemelor \u00een \u00eentre\u021binere. <\/p>\n<p>Acum oferim un serviciu de tip one-stop pentru solicit\u0103rile clientului \u0219i acoperim \u00eentregul volum de sarcini referitoare la \u00eentre\u021binerea componentelor infrastructurii \u0219i SAP basis \u00eempreun\u0103 cu partenerul nostru \u2014 itelligence. Clientul tr\u0103ie\u0219te \u00een cloud privat de \u0219ase luni. Iat\u0103 statistica incidentelor de serviciu \u00een aceast\u0103 perioad\u0103:<\/p>\n<ul>\n<li>90 de incidente (20% rezolvate f\u0103r\u0103 implicarea clientului)<\/li>\n<li>Rezolvate \u00een cadrul SLA \u2013 100%<\/li>\n<li>Opriri neplanificate ale sistemelor \u2013 0<\/li>\n<\/ul>\n<p>\nDac\u0103 ave\u021bi sarcini similare cu cele ale clientului nostru \u0219i dori\u021bi s\u0103 afla\u021bi mai multe despre cum s\u0103 le rezolva\u021bi, scrie\u021bi: ahaidukov@croc.ru<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/croccloudteam\/blog\/521006\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0418\u043b\u0438 \u043c\u043e\u0436\u043d\u043e? \u041a\u043e\u043d\u0435\u0447\u043d\u043e, \u043c\u0438\u0433\u0440\u0430\u0446\u0438\u044f SAP-\u0441\u0438\u0441\u0442\u0435\u043c \u2014 \u044d\u0442\u043e \u0441\u043b\u043e\u0436\u043d\u044b\u0439 \u0438 \u043a\u0440\u043e\u043f\u043e\u0442\u043b\u0438\u0432\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441, \u0434\u043b\u044f \u0443\u0441\u043f\u0435\u0445\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0432\u0430\u0436\u043d\u0430 \u0441\u043b\u0430\u0436\u0435\u043d\u043d\u0430\u044f \u0440\u0430\u0431\u043e\u0442\u0430 \u0432\u0441\u0435\u0445 \u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u043e\u0432. \u0410 \u0435\u0441\u043b\u0438 \u043c\u0438\u0433\u0440\u0430\u0446\u0438\u044f \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u0432 \u0441\u0436\u0430\u0442\u044b\u0435 \u0441\u0440\u043e\u043a\u0438 \u2014 \u0437\u0430\u0434\u0430\u0447\u0430 \u043c\u043d\u043e\u0433\u043e\u043a\u0440\u0430\u0442\u043d\u043e \u0443\u0441\u043b\u043e\u0436\u043d\u044f\u0435\u0442\u0441\u044f. \u041d\u0435 \u0432\u0441\u0435 \u0440\u0435\u0448\u0430\u044e\u0442\u0441\u044f \u043d\u0430 \u044d\u0442\u043e. \u041f\u0440\u0438\u0447\u0438\u043d \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u0441\u0430\u043c \u043f\u043e \u0441\u0435\u0431\u0435 \u0434\u043b\u0438\u0442\u0435\u043b\u0435\u043d \u0438 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u043e\u043d\u043d\u043e \u0441\u043b\u043e\u0436\u0435\u043d. \u041f\u043b\u044e\u0441 \u0435\u0441\u0442\u044c \u0440\u0438\u0441\u043a \u043d\u0435\u0437\u0430\u043f\u043b\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043f\u0440\u043e\u0441\u0442\u043e\u0435\u0432 \u0441\u0438\u0441\u0442\u0435\u043c. \u0418\u043b\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":95982,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-95981","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=\"\u0418\u043b\u0438 \u043c\u043e\u0436\u043d\u043e?\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/opyt-smeny-sap-hostinga-kak-migrirovat-sistemy-chtoby-ne-bylo-muchitelno-bolno\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"ro_RO\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u041e\u043f\u044b\u0442 \u0441\u043c\u0435\u043d\u044b SAP-\u0445\u043e\u0441\u0442\u0438\u043d\u0433\u0430: \u043a\u0430\u043a \u043c\u0438\u0433\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u044b, \u0447\u0442\u043e\u0431\u044b \u043d\u0435 \u0431\u044b\u043b\u043e \u043c\u0443\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0431\u043e\u043b\u044c\u043d\u043e | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0418\u043b\u0438 \u043c\u043e\u0436\u043d\u043e?\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/opyt-smeny-sap-hostinga-kak-migrirovat-sistemy-chtoby-ne-bylo-muchitelno-bolno\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-10-05T23:43:06+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-10-05T23:43:06+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Experien\u021ba schimb\u0103rii g\u0103zduirii SAP: cum s\u0103 migrezi sistemele f\u0103r\u0103 a suferi | ProHoster","description":"Sau este posibil?","canonical_url":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/opyt-smeny-sap-hostinga-kak-migrirovat-sistemy-chtoby-ne-bylo-muchitelno-bolno","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"ro_RO","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041e\u043f\u044b\u0442 \u0441\u043c\u0435\u043d\u044b SAP-\u0445\u043e\u0441\u0442\u0438\u043d\u0433\u0430: \u043a\u0430\u043a \u043c\u0438\u0433\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u044b, \u0447\u0442\u043e\u0431\u044b \u043d\u0435 \u0431\u044b\u043b\u043e \u043c\u0443\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0431\u043e\u043b\u044c\u043d\u043e | ProHoster","og:description":"\u0418\u043b\u0438 \u043c\u043e\u0436\u043d\u043e?","og:url":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/opyt-smeny-sap-hostinga-kak-migrirovat-sistemy-chtoby-ne-bylo-muchitelno-bolno","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-10-05T23:43:06+00:00","article:modified_time":"2020-10-05T23:43:06+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"95981","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 10:54:37","updated":"2026-02-09 15:40:49","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/posts\/95981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/comments?post=95981"}],"version-history":[{"count":2,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/posts\/95981\/revisions"}],"predecessor-version":[{"id":158458,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/posts\/95981\/revisions\/158458"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/media\/95982"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/media?parent=95981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/categories?post=95981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/tags?post=95981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}