{"id":442,"date":"2014-04-04T10:00:19","date_gmt":"2014-04-04T08:00:19","guid":{"rendered":"http:\/\/www.virtualementvotre.ch\/blog\/?p=442"},"modified":"2014-07-13T15:21:38","modified_gmt":"2014-07-13T13:21:38","slug":"vmware-evc","status":"publish","type":"post","link":"https:\/\/www.virtualementvotre.ch\/blog\/2014\/04\/04\/vmware-evc\/","title":{"rendered":"VMware EVC (Enhanced vMotion Compatibility)"},"content":{"rendered":"<p>Bonjour,<\/p>\n<p>VMware propose la fonctionnalit\u00e9 du vMotion, depuis 2002 et je ne vous fais pas l\u2019affront de vous expliquer quel est sa fonction\u2026<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/vMotion.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-443\" src=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/vMotion.png?resize=530%2C249\" alt=\"vMotion\" width=\"530\" height=\"249\" srcset=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/vMotion.png?w=948&amp;ssl=1 948w, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/vMotion.png?resize=300%2C140&amp;ssl=1 300w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><\/a><\/p>\n<p>Pour l\u2019utiliser, il y a quelques pr\u00e9requis \u00e0 respecter, notamment un r\u00e9seau d\u00e9di\u00e9 et surtout des CPUs de m\u00eame g\u00e9n\u00e9ration et constructeur.<\/p>\n<p>C\u2019est l\u00e0, que rentre en jeu l\u2019EVC (Enhanced vMotion Compatibility), fonctionnalit\u00e9 propos\u00e9e d\u00e8s la version ESXi\/ESX 3.5 Update 2 et int\u00e9gr\u00e9e dans les clusters.<\/p>\n<p>Lorsque l\u2019on met en place une infrastructure vSphere, les ESXi ont fatalement la m\u00eame g\u00e9n\u00e9ration de CPU, mais lorsque l\u2019on veut rajouter des serveurs, quelques mois ou ann\u00e9es, plus tards, il est quasi impossible de trouver des CPUs identiques.<\/p>\n<p>C\u2019est l\u00e0 que l\u2019on va avoir l\u2019utilit\u00e9 de l\u2019EVC. Il va vous permettre de cr\u00e9er un filtre, appliqu\u00e9 aux VMs, permettant de masquer les fonctionnalit\u00e9s non pr\u00e9sentes, dans les CPUs les plus anciens.<\/p>\n<p>Ces instructions offre une acc\u00e9l\u00e9ration notamment avec la cryptographie AES.<\/p>\n<p>Voici les instructions nouvelles selon les g\u00e9n\u00e9rations.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_generation1.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-447\" src=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_generation1.png?resize=530%2C343\" alt=\"EVC_generation\" width=\"530\" height=\"343\" srcset=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_generation1.png?w=666&amp;ssl=1 666w, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_generation1.png?resize=300%2C194&amp;ssl=1 300w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><\/a><\/p>\n<p>Pour plus de d\u00e9tails sur les fonctions int\u00e9gr\u00e9es, voici un KB de VMware:<\/p>\n<p><a title=\"EVC KB instructions\" href=\"http:\/\/kb.vmware.com\/selfservice\/microsites\/search.do?language=en_US&amp;cmd=displayKC&amp;externalId=1003212\" target=\"_blank\">http:\/\/kb.vmware.com\/selfservice\/microsites\/search.do?language=en_US&amp;cmd=displayKC&amp;externalId=1003212<\/a><\/p>\n<p>Pour connaitre les types d\u2019EVC applicables, il suffit de regarder dans le summary du serveur ESXi.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_server.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-445\" src=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_server.png?resize=530%2C430\" alt=\"EVC_server\" width=\"530\" height=\"430\" srcset=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_server.png?w=765&amp;ssl=1 765w, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_server.png?resize=300%2C243&amp;ssl=1 300w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><\/a><\/p>\n<p>Avec le bon filtre, on ne bloque strictement aucune fonction. Vous pouvez donc le laisser en permanence ou l\u2019activer \u00e0 chaud, le moment venu.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_Config.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-450\" src=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_Config.png?resize=530%2C591\" alt=\"EVC_Config\" width=\"530\" height=\"591\" srcset=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_Config.png?w=561&amp;ssl=1 561w, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_Config.png?resize=268%2C300&amp;ssl=1 268w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><\/a><\/p>\n<p>Il existe une analyse sur les impacts de ces filtres, lorsqu\u2019ils brident des fonctions.<\/p>\n<p><a href=\"http:\/\/www.vmware.com\/files\/pdf\/techpaper\/VMware-vSphere-EVC-Perf.pdf\">http:\/\/www.vmware.com\/files\/pdf\/techpaper\/VMware-vSphere-EVC-Perf.pdf<\/a><\/p>\n<p>On remarque que principalement seules les instructions de cryptage sont r\u00e9ellement impact\u00e9es.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_AESalgorithmTest1.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-448\" src=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_AESalgorithmTest1.png?resize=530%2C334\" alt=\"EVC_AESalgorithmTest\" width=\"530\" height=\"334\" srcset=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_AESalgorithmTest1.png?w=824&amp;ssl=1 824w, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/EVC_AESalgorithmTest1.png?resize=300%2C189&amp;ssl=1 300w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><\/a><\/p>\n<p>Cette fonction est donc pratique, dans le cadre de migration de cluster, au niveau des serveurs, mais je ne vous conseil pas de rester dans cet \u00e9tat, si vous pouvez l\u2019\u00e9viter. Certaines fonctions pourraient \u00eatre sensiblement acc\u00e9l\u00e9r\u00e9es, une fois le filtre d\u00e9sactiv\u00e9 ou configur\u00e9 au niveau des CPUs r\u00e9cents.<\/p>\n<p>Bon vMotion\u00a0!<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bonjour, VMware propose la fonctionnalit\u00e9 du vMotion, depuis 2002 et je ne vous fais pas l\u2019affront de vous expliquer quel est sa fonction\u2026 Pour l\u2019utiliser, il y a quelques pr\u00e9requis \u00e0 respecter, notamment un r\u00e9seau d\u00e9di\u00e9 et surtout des CPUs de m\u00eame g\u00e9n\u00e9ration et constructeur. C\u2019est l\u00e0, que rentre en jeu l\u2019EVC (Enhanced vMotion Compatibility), fonctionnalit\u00e9 propos\u00e9e d\u00e8s la version <a class=\"more-link\" href=\"https:\/\/www.virtualementvotre.ch\/blog\/2014\/04\/04\/vmware-evc\/\">Continue reading <span class=\"screen-reader-text\">  VMware EVC (Enhanced vMotion Compatibility)<\/span><span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":443,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[9,3],"tags":[434,425,424,433,431,429,430,427,432,426,428],"class_list":["post-442","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-virtualisation","category-vmware","tag-cpu-generation","tag-enhanced-vmotion-compatibility","tag-evc","tag-ivy-bridge","tag-merom","tag-nehalem","tag-penryn","tag-performances","tag-sandy-bridge","tag-vmotion","tag-westmere"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/04\/vMotion.png?fit=948%2C445&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p4KzU1-78","jetpack-related-posts":[{"id":138,"url":"https:\/\/www.virtualementvotre.ch\/blog\/2012\/09\/18\/vsphere-5-1-whats-new\/","url_meta":{"origin":442,"position":0},"title":"vSphere 5.1 What&#8217;s New","author":"Cedric Megroz","date":"18\/09\/2012","format":false,"excerpt":"Bonjour, VMware a sorti, depuis quelques jours, la version vSphere 5.1. Premier point et pas des moindres, la fin de la limitation vRAM au niveau des licences, c\u2019est une bonne nouvelle, seul la version gratuite VMware Hyperviseur est limit\u00e9e \u00e0 32 GB de RAM physique utilisable. Elle est compos\u00e9e de\u2026","rel":"","context":"In &quot;STOCKAGE&quot;","block_context":{"text":"STOCKAGE","link":"https:\/\/www.virtualementvotre.ch\/blog\/category\/stockage\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2012\/09\/MonsterVM.png?fit=1200%2C632&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2012\/09\/MonsterVM.png?fit=1200%2C632&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2012\/09\/MonsterVM.png?fit=1200%2C632&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2012\/09\/MonsterVM.png?fit=1200%2C632&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2012\/09\/MonsterVM.png?fit=1200%2C632&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":81,"url":"https:\/\/www.virtualementvotre.ch\/blog\/2011\/07\/13\/vsphere-5-whats-new\/","url_meta":{"origin":442,"position":1},"title":"vSphere 5 What&#8217;s new","author":"Cedric Megroz","date":"13\/07\/2011","format":false,"excerpt":"Bonjour, VMware a annonc\u00e9 les premi\u00e8res updates de logiciels li\u00e9s \u00e0 l\u2019arriv\u00e9e de vSphere 5. Premiers produits annonc\u00e9s : VMware Site Recovery Manager 5 Outil de DRP, pour une reprise rapide de votre production virtualis\u00e9e, il propose comme nouvelles fonctionnalit\u00e9s : VMware vSphere Replication qui supprime l\u2019utilisation de la r\u00e9plication\u2026","rel":"","context":"In &quot;VIRTUALISATION&quot;","block_context":{"text":"VIRTUALISATION","link":"https:\/\/www.virtualementvotre.ch\/blog\/category\/virtualisation\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.virtualgeek.ch\/blog\/wp-content\/uploads\/2011\/07\/44-1024x569.png?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.virtualgeek.ch\/blog\/wp-content\/uploads\/2011\/07\/44-1024x569.png?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.virtualgeek.ch\/blog\/wp-content\/uploads\/2011\/07\/44-1024x569.png?resize=525%2C300 1.5x"},"classes":[]},{"id":103,"url":"https:\/\/www.virtualementvotre.ch\/blog\/2011\/10\/09\/le-vmfs-5\/","url_meta":{"origin":442,"position":2},"title":"Le VMFS 5","author":"Cedric Megroz","date":"09\/10\/2011","format":false,"excerpt":"Bonjour, \u00a0 Le VMFS ou Virtual Machine File System a \u00e9t\u00e9 d\u00e9velopp\u00e9 d\u00e8s le d\u00e9but, par VMware, afin d\u2019offrir un syst\u00e8me de fichier de cluster. Il permet de g\u00e9rer les lock sur les fichiers, tout en offrant la possibilit\u00e9 de partager son espace de stockage \u00e0 une multitude d\u2019hyperviseur, en\u2026","rel":"","context":"In &quot;STOCKAGE&quot;","block_context":{"text":"STOCKAGE","link":"https:\/\/www.virtualementvotre.ch\/blog\/category\/stockage\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.virtualgeek.ch\/blog\/wp-content\/uploads\/2011\/10\/vmfs64TB.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":155,"url":"https:\/\/www.virtualementvotre.ch\/blog\/2013\/02\/09\/ajout-de-drivers-dans-limage-dinstallation-desxi\/","url_meta":{"origin":442,"position":3},"title":"Ajout de drivers dans l&#8217;image d&#8217;installation d&#8217;ESXi","author":"Cedric Megroz","date":"09\/02\/2013","format":false,"excerpt":"Bonjour, Lorsque l'on commence un projet de virtualisation, un des premiers points est de valider le support du hardware qui compose le futur serveur ESXi. http:\/\/www.vmware.com\/resources\/compatibility\/search.php Il existe plusieurs cat\u00e9gories de composants pour la validation, c\u2019est dans ces menus que l\u2019on va retrouver \u00e9galement la validation, des baies de stockage,\u2026","rel":"","context":"In &quot;VIRTUALISATION&quot;","block_context":{"text":"VIRTUALISATION","link":"https:\/\/www.virtualementvotre.ch\/blog\/category\/virtualisation\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2013\/02\/ImageBuilder.png?fit=489%2C286&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":762,"url":"https:\/\/www.virtualementvotre.ch\/blog\/2014\/10\/27\/vsphere-5-5-u2\/","url_meta":{"origin":442,"position":4},"title":"vSphere 5.5 U2","author":"Cedric Megroz","date":"27\/10\/2014","format":false,"excerpt":"Bonjour, \u00a0 Une fois de plus, VMware a repouss\u00e9 la sortie de la version 6, au profit d\u2019un second update de la version 5.5. Pour cet update, pas de nouvelle fonctionnalit\u00e9, mais quelques correctifs et ajout de support. En r\u00e9sum\u00e9\u00a0: Support des produits vCloud 5.8 Support des OS Red Hat\u2026","rel":"","context":"In &quot;VIRTUALISATION&quot;","block_context":{"text":"VIRTUALISATION","link":"https:\/\/www.virtualementvotre.ch\/blog\/category\/virtualisation\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":174,"url":"https:\/\/www.virtualementvotre.ch\/blog\/2013\/10\/21\/migration-de-rdm-raw-device-mapping\/","url_meta":{"origin":442,"position":5},"title":"Migration de RDM (Raw Device Mapping)","author":"Cedric Megroz","date":"21\/10\/2013","format":false,"excerpt":"Bonjour, \u00a0 Lors de mon dernier projet, j\u2019ai d\u00fb migrer des VMs sur une infrastructure NetApp en NFS. Le client avait cr\u00e9\u00e9 plusieurs VMs avec RDM en physical compatibility, pour stocker les donn\u00e9es, ce qui emp\u00eachait une migration en Storage vMotion. Trop souvent l'utilisation des RDM est justifi\u00e9e par de\u2026","rel":"","context":"In &quot;VIRTUALISATION&quot;","block_context":{"text":"VIRTUALISATION","link":"https:\/\/www.virtualementvotre.ch\/blog\/category\/virtualisation\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/posts\/442","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/comments?post=442"}],"version-history":[{"count":8,"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/posts\/442\/revisions"}],"predecessor-version":[{"id":686,"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/posts\/442\/revisions\/686"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/media\/443"}],"wp:attachment":[{"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/media?parent=442"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/categories?post=442"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/tags?post=442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}