{"id":213,"date":"2013-06-17T12:48:13","date_gmt":"2013-06-17T10:48:13","guid":{"rendered":"http:\/\/e3mag.com\/?p=213"},"modified":"2019-04-01T10:57:19","modified_gmt":"2019-04-01T08:57:19","slug":"regarder-en-arriere-et-aller-de-lavant","status":"publish","type":"post","link":"https:\/\/e3mag.com\/fr\/regarder-en-arriere-et-aller-de-lavant\/","title":{"rendered":"Regarder en arri\u00e8re et aller de l'avant"},"content":{"rendered":"<p>Le site <span id=\"urn:local-text-annotation-ijc8w29d4ld1ealgiq3hbk5pxn266vaa\" class=\"textannotation disambiguated wl-thing\">Virtualisation<\/span> sur la base de SAN et NAS, que le <span id=\"urn:local-text-annotation-u7n2mvt4mynqh52dmc7ydrw44ycdsb35\" class=\"textannotation disambiguated wl-organization\">Intel<\/span>-<span id=\"urn:local-text-annotation-vpwn1o8faxftaoh3r452jfcjubk75hx3\" class=\"textannotation disambiguated wl-thing\">Virtualisation<\/span> dans l'environnement SAP Enterprise, \u00e9tait consid\u00e9r\u00e9e comme l'innovation du nouveau mill\u00e9naire.<\/p>\n<p>Le site <span id=\"urn:local-text-annotation-ai9f0vblqysug1rf5k5ze34ej3ez3odx\" class=\"textannotation disambiguated wl-organization\">Intel<\/span>-<span id=\"urn:local-text-annotation-59cd46y1iqde81yk0zklfg1p1kxpn5c2\" class=\"textannotation disambiguated wl-thing\">Serveur<\/span>-<span id=\"urn:local-text-annotation-9ozc17p0d98op1njaabzwub00k69cxj5\" class=\"textannotation disambiguated wl-thing\">Virtualisation<\/span> n'en \u00e9tait qu'\u00e0 ses balbutiements ; les serveurs blade<span id=\"urn:local-text-annotation-8lwhgqhladuxkfel5j5g4ce3ukj0e0df\" class=\"textannotation disambiguated wl-thing\">Infrastructures<\/span> \u00e9taient le summum - avec une empreinte mat\u00e9rielle faible \u00e0 l'\u00e9poque.<\/p>\n<p>Pas de v\u00e9ritable jalon d'une v\u00e9ritable <span id=\"urn:local-text-annotation-f6fq6zjs4k6di3e20syhe9ov4n6ytjpc\" class=\"textannotation disambiguated wl-thing\">Serveur<\/span>-<span id=\"urn:local-text-annotation-pqumqp6zg4pke4wynuntibj5xc8nka43\" class=\"textannotation disambiguated wl-thing\">Virtualisation<\/span> \u00e0 l'\u00e9poque.<\/p>\n<p>La possibilit\u00e9 de d\u00e9coupler les services SAP de l'OS proprement dit a \u00e9t\u00e9 au centre des d\u00e9bats.<\/p>\n<p>Surtout les syst\u00e8mes de stockage<span id=\"urn:local-text-annotation-txzv2lecyp2z2395i1bdetu585jnr8mn\" class=\"textannotation disambiguated wl-thing\">Virtualisation<\/span> a permis cette \u00e9volution. Elle constituait en quelque sorte un point fixe permettant de garder toutes les informations centr\u00e9es.<\/p>\n<p>Ainsi, les services SAP ont \u00e9t\u00e9 en mesure d'acc\u00e9der sur un pied d'\u00e9galit\u00e9 aux <span id=\"urn:local-text-annotation-zrng4ykd4jr7eijo420ndirtvfft4ij5\" class=\"textannotation disambiguated wl-thing\">Serveur<\/span> d'acc\u00e9der \u00e0 la base de donn\u00e9es.<\/p>\n<p><strong>Objectif du concept :<\/strong> de centraliser les modifications locales n\u00e9cessaires \u00e0 l'OS, telles que <span id=\"urn:local-text-annotation-cshgxeaimmuyen6q8b38oh0un8wz487v\" class=\"textannotation disambiguated wl-thing\">LDAP<\/span> ou la logique de montage.<\/p>\n<p>Tout ce dont une application SAP avait besoin \u00e9tait stock\u00e9 dans un point central ; il \u00e9tait donc d\u00e9coupl\u00e9 du syst\u00e8me d'exploitation proprement dit.<\/p>\n<p><strong>L'effet :<\/strong> une charge de travail d\u00e9pla\u00e7able sur chaque <span id=\"urn:local-text-annotation-9cioijrruixzdpxfm0m1qdrhudd3gxwg\" class=\"textannotation disambiguated wl-thing\">Serveur<\/span>int\u00e9gr\u00e9 dans une application SAP<span id=\"urn:local-text-annotation-adkitilo0ruzsywa2yokmxqzgu9zmayn\" class=\"textannotation disambiguated wl-thing\">Infrastructure<\/span>. Et ce, avec l'avantage de simplifier et de r\u00e9duire les d\u00e9penses li\u00e9es au remplacement du syst\u00e8me SAP, aux mises \u00e0 jour du syst\u00e8me d'exploitation, \u00e0 la maintenance du mat\u00e9riel, \u00e0 la cr\u00e9ation de copies du syst\u00e8me ou au clonage du syst\u00e8me.<\/p>\n<h3>Des unit\u00e9s logiques plut\u00f4t que physiques<\/h3>\n<p>Gr\u00e2ce \u00e0 la <span id=\"urn:local-text-annotation-medocfasp5jsqpkf1dmp3v7dypzvs2zj\" class=\"textannotation disambiguated wl-organization\">Intel<\/span>-<span id=\"urn:local-text-annotation-asefqf110257tgav7332khxep0ihjeqc\" class=\"textannotation disambiguated wl-thing\">Virtualisation<\/span> a \u00e9t\u00e9 bas\u00e9e sur la physique <span id=\"urn:local-text-annotation-aiseubp66hnuqsojkdecn7q0ym41wm0h\" class=\"textannotation disambiguated wl-thing\">Serveurs<\/span> sur <span id=\"urn:local-text-annotation-t0xi4tnt29mtc7tqmvwjpefhys3ivvpv\" class=\"textannotation disambiguated wl-organization\">VMware<\/span> un autre degr\u00e9 de libert\u00e9 a \u00e9t\u00e9 gagn\u00e9.<\/p>\n<p>Ainsi, l'approche de SAP Adaptive Computing - en quelque sorte le pr\u00e9curseur de SAP <span id=\"urn:local-text-annotation-ih4kgnui2w61lto36h6kp85xi7v7u7ku\" class=\"textannotation disambiguated wl-thing\">Le cloud computing<\/span> - d'autres capacit\u00e9s ont \u00e9t\u00e9 ajout\u00e9es, comme la migration en direct.<\/p>\n<p>Auparavant, il \u00e9tait demand\u00e9 d'arr\u00eater les services SAP lors de la maintenance du mat\u00e9riel.<\/p>\n<p><strong>C'est clair :<\/strong> L'extraction des ressources d\u00e9coulait de la valeur ajout\u00e9e <span id=\"urn:local-text-annotation-quavn67kg1citog1vap1pwygog0y7a4u\" class=\"textannotation disambiguated wl-organization\">Intel<\/span>-<span id=\"urn:local-text-annotation-pwbrkv8xvj1k914egdduzgrinajgbaj7\" class=\"textannotation disambiguated wl-organization\">VMware<\/span>-<span id=\"urn:local-text-annotation-xjnuk0fb7ksfi5g9g1969h5xrs4f3qlb\" class=\"textannotation disambiguated wl-thing\">Virtualisation<\/span>.<\/p>\n<p><strong>Parce que<\/strong> Le syst\u00e8me ne d\u00e9pend plus d'unit\u00e9s physiques, mais d\u00e9sormais d'unit\u00e9s logiques.<\/p>\n<p>Dans le monde actuel, en fait, la <span id=\"urn:local-text-annotation-c94psdabxoug02gfu0095p7srdxjcpmu\" class=\"textannotation disambiguated wl-thing\">Virtualisation<\/span> avec <span id=\"urn:local-text-annotation-q3w9cyd68yk6r0m2dmbjhcwtx9qrdak5\" class=\"textannotation disambiguated wl-organization\">VMware<\/span> intrins\u00e8quement d\u00e9velopp\u00e9e.<\/p>\n<p>SAP en interne ont \u00e9t\u00e9 <span id=\"urn:local-text-annotation-k9ikys76htpj9ibzzp46d2olynqlrisq\" class=\"textannotation disambiguated wl-thing\">Suse<\/span> et <span id=\"urn:local-text-annotation-gm7wfjn1286x3z8c4asood0e6fp2r22c\" class=\"textannotation disambiguated wl-organization\">VMware<\/span> pour la conception du mat\u00e9riel<span id=\"urn:local-text-annotation-oag5mn5n9j96k2fhafhzeam3xuwfno7g\" class=\"textannotation disambiguated wl-thing\">Virtualisation<\/span> de contribuer \u00e0 faire avancer les choses - \u00e9galement dans le contexte du SAP Cloud Computing avec diff\u00e9rentes <span id=\"urn:local-text-annotation-mscq8xcdlgf9a32zf9wkw71hxkheikw5\" class=\"textannotation disambiguated wl-thing\">Cloud computing<\/span>-comme SAP Private Cloud.<\/p>\n<h3>Pourquoi int\u00e9grer Linux en particulier ?<\/h3>\n<p>Du point de vue th\u00e9matique, il faut voir qu'il est immens\u00e9ment important de pouvoir utiliser le d\u00e9couplage de la logique d'application SAP de l'OS ou du syst\u00e8me d'exploitation comme fonctionnalit\u00e9 standard.<\/p>\n<p>Sous Unix\/Linux, elle est int\u00e9gr\u00e9e d'embl\u00e9e.<\/p>\n<p>Suivre le rythme en fonction des exigences \u00e9tait et reste donc une entreprise relativement facile avec l'utilisation de Linux.<\/p>\n<p>Cela concerne \u00e9galement l'impl\u00e9mentation - notamment en ce qui concerne les t\u00e2ches : mise en place initiale, maintien de la flexibilit\u00e9 ou minimisation du patching.<\/p>\n<h3>Haute disponibilit\u00e9 -<span id=\"urn:local-text-annotation-whka21h0vwq8nak28j3fwqhhlbtnh4fb\" class=\"textannotation disambiguated wl-thing\">Cluster<\/span>-int\u00e9gration<\/h3>\n<p>On peut dire que le concept de LVM et Linux s'accordent de mani\u00e8re id\u00e9ale ; si l'on veut : un tandem parfait.<\/p>\n<p>Alors que pour Windows, l'approche est plut\u00f4t de conserver les ressources en local. Parce qu'\u00e0 l'origine, le bureau \u00e9tait au centre des pr\u00e9occupations de Windows.<\/p>\n<p>Concr\u00e8tement, le registre, par exemple, conserve les applications en local, ce qui a pour cons\u00e9quence que l'\u00e9laboration du concept, l'impl\u00e9mentation, l'exploitation et la maintenance n\u00e9cessitent parfois des d\u00e9penses massives pour acc\u00e9der aux goodies que Linux a pour ainsi dire d\u00e9j\u00e0 dans le ventre.<\/p>\n<p>Et pour assurer une haute disponibilit\u00e9 correspondante, par exemple dans le cloud priv\u00e9 SAP, le SAP Linux-Lab a mis en place les <span id=\"urn:local-text-annotation-ezjt7d6ygqn9gmfaqk822sqgysm9ixpz\" class=\"textannotation disambiguated wl-thing\">Architecture de r\u00e9f\u00e9rence<\/span> de la librairie partag\u00e9e.<\/p>\n<p><strong>L'accent ici :<\/strong> une HA-<span id=\"urn:local-text-annotation-gt8x56jnv8vgrv363qxmqct5o65xxi1u\" class=\"textannotation disambiguated wl-thing\">Cluster<\/span>-int\u00e9gration dans SAP LVM. L\u00e0 aussi, le <span id=\"urn:local-text-annotation-fagzwwna3xfr1v9ppnjglqgxmnoohw0i\" class=\"textannotation disambiguated wl-thing\">Suse<\/span> a jou\u00e9 un r\u00f4le d\u00e9terminant avec l'extension HA.<\/p>\n<p>Les clients peuvent s'appuyer sur une solution de clustering qui correspond \u00e0 la norme d\u00e9finie par SAP. <span id=\"urn:local-text-annotation-03chwbg4ts887y3uvp4urxm92j0k19jf\" class=\"textannotation disambiguated wl-thing\">Architecture de r\u00e9f\u00e9rence<\/span> et qui, en outre, suit la strat\u00e9gie SAP<span id=\"urn:local-text-annotation-bs2ng72zv9y682zf1jjrsadgunnyixh4\" class=\"textannotation disambiguated wl-thing\">LVM<\/span>-Il est \u00e9galement pris en charge par SAP Solution Manager.<\/p>\n<p><strong>Conclusion :<\/strong> Depuis plus de dix ans, elle accompagne <span id=\"urn:local-text-annotation-rg36yq64aaqw04r75mdrqo61ixvzxpm3\" class=\"textannotation disambiguated wl-thing\">Suse<\/span> Linux de l'ACC via <span id=\"urn:local-text-annotation-zsinuvr8n1h7xkvjnflcny7ah1j3kj7u\" class=\"textannotation disambiguated wl-thing\">LVM<\/span> et donc le <span id=\"urn:local-text-annotation-knmx7dw0tq1ol9npbbf3seqfh78tm1xl\" class=\"textannotation disambiguated wl-thing\">Le cloud computing<\/span> d'aujourd'hui et de demain.<\/p>\n<p>Ainsi, les clients existants de SAP qui utilisent Linux ne peuvent plus utiliser le SAP <span id=\"urn:local-text-annotation-g65i2myg27ocmvo6qhr6dw0v8lf5164c\" class=\"textannotation disambiguated wl-thing\">Le cloud computing<\/span> l\u00e9ger.<\/p>","protected":false},"excerpt":{"rendered":"<p>Le cloud computing SAP est en marche. Saviez-vous que le SAP Cloud Enabler LVM est historiquement d\u00e9riv\u00e9 de l'Adaptive Computing Controller, ou ACC, dont la premi\u00e8re mise en \u0153uvre a eu lieu au tournant du mill\u00e9naire sous Suse Linux ? Il vaut la peine de jeter un coup d'\u0153il en arri\u00e8re pour aiguiser son regard vers l'avenir.<\/p>","protected":false},"author":10,"featured_media":2830,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","footnotes":""},"categories":[24,7,1476],"tags":[66,82],"coauthors":[25625],"class_list":["post-213","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","category-meinung","category-mag1307","tag-suse","tag-suse-linux","pmpro-has-access"],"acf":[],"featured_image_urls_v2":{"full":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",1000,431,false],"thumbnail":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux-150x150.jpg",150,150,true],"medium":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",400,172,false],"medium_large":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux-768x331.jpg",768,331,true],"large":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",1000,431,false],"image-100":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux-100x43.jpg",100,43,true],"image-480":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux-480x207.jpg",480,207,true],"image-640":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux-640x276.jpg",640,276,true],"image-720":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux-720x310.jpg",720,310,true],"image-960":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux-960x414.jpg",960,414,true],"image-1168":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",1000,431,false],"image-1440":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",1000,431,false],"image-1920":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",1000,431,false],"1536x1536":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",1000,431,false],"2048x2048":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",1000,431,false],"trp-custom-language-flag":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",18,8,false],"bricks_large_16x9":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",1000,431,false],"bricks_large":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",1000,431,false],"bricks_large_square":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",1000,431,false],"bricks_medium":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",600,259,false],"bricks_medium_square":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux.jpg",600,259,false],"profile_24":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux-24x24.jpg",24,24,true],"profile_48":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux-48x48.jpg",48,48,true],"profile_96":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux-96x96.jpg",96,96,true],"profile_150":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux-150x150.jpg",150,150,true],"profile_300":["https:\/\/e3mag.com\/wp-content\/uploads\/2016\/11\/Linux-300x300.jpg",300,300,true]},"post_excerpt_stackable_v2":"<p>Das SAP Cloud Computing schl\u00e4gt auf. Haben Sie gewusst, dass sich der SAP Cloud Enabler LVM historisch vom Adaptive Computing Controller, kurz: ACC, ableiten l\u00e4sst \u2013 dessen Erstimplementierung zum Jahrtausendwechsel unter Suse Linux stattfand? Ein Blick zur\u00fcck lohnt, um den Blick voraus zu sch\u00e4rfen.<\/p>\n","category_list_v2":"<a href=\"https:\/\/e3mag.com\/fr\/categorie\/avis\/linux\/\" rel=\"category tag\">Linux Kolumne<\/a>, <a href=\"https:\/\/e3mag.com\/fr\/categorie\/avis\/\" rel=\"category tag\">Die Meinung der SAP-Community<\/a>, <a href=\"https:\/\/e3mag.com\/fr\/categorie\/mag1307\/\" rel=\"category tag\">MAG 13-07<\/a>","author_info_v2":{"name":"Friedrich Krey, Suse","url":"https:\/\/e3mag.com\/fr\/author\/friedrich-krey-suse\/"},"comments_num_v2":"0 commentaire","_links":{"self":[{"href":"https:\/\/e3mag.com\/fr\/wp-json\/wp\/v2\/posts\/213","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/e3mag.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/e3mag.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/e3mag.com\/fr\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/e3mag.com\/fr\/wp-json\/wp\/v2\/comments?post=213"}],"version-history":[{"count":0,"href":"https:\/\/e3mag.com\/fr\/wp-json\/wp\/v2\/posts\/213\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/e3mag.com\/fr\/wp-json\/wp\/v2\/media\/2830"}],"wp:attachment":[{"href":"https:\/\/e3mag.com\/fr\/wp-json\/wp\/v2\/media?parent=213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/e3mag.com\/fr\/wp-json\/wp\/v2\/categories?post=213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/e3mag.com\/fr\/wp-json\/wp\/v2\/tags?post=213"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/e3mag.com\/fr\/wp-json\/wp\/v2\/coauthors?post=213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}