{"id":817,"date":"2014-12-01T10:00:15","date_gmt":"2014-12-01T09:00:15","guid":{"rendered":"http:\/\/www.virtualementvotre.ch\/blog\/?p=817"},"modified":"2014-11-30T22:01:50","modified_gmt":"2014-11-30T21:01:50","slug":"backup-cbt-corrompus-apres-lextension-dun-vmdk","status":"publish","type":"post","link":"https:\/\/www.virtualementvotre.ch\/blog\/2014\/12\/01\/backup-cbt-corrompus-apres-lextension-dun-vmdk\/","title":{"rendered":"Backup CBT corrompus apr\u00e8s l&#8217;extension d&#8217;un VMDK"},"content":{"rendered":"<p>Bonjour,<\/p>\n<p>Un nouveau bug a \u00e9t\u00e9 d\u00e9tect\u00e9 li\u00e9 au Virtual Disk Development Kit (VDDK), plus pr\u00e9cis\u00e9ment, \u00e0 la fonction <span style=\"font-family: Courier New;\">QueryChangedDiskAreas()<\/span>.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/11\/CBT.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-819\" src=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/11\/CBT.png?resize=530%2C227\" alt=\"CBT\" width=\"530\" height=\"227\" srcset=\"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/11\/CBT.png?w=654&amp;ssl=1 654w, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/11\/CBT.png?resize=300%2C128&amp;ssl=1 300w\" sizes=\"auto, (max-width: 530px) 100vw, 530px\" \/><\/a><\/p>\n<p>Cette corruption apparait lors d&#8217;une augmentation de taille d&#8217;un VMDK et que l&#8217;on passe les limites suivantes:<br \/>\n2^7 \u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0 128GB<br \/>\n2^8 \u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0 256GB<br \/>\n2^9 \u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0 512GB<br \/>\n2^10\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0 1024GB<br \/>\n2^11\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0 2048GB<br \/>\n2^12\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0 4096GB&#8230;<\/p>\n<p>Lors de la requ\u00eate, li\u00e9e \u00e0 cet API, et pour autant que l&#8217;on ait agrandi le VMDK et pass\u00e9 ces limites, on va avoir une corruption des informations de secteur de disques, du VMDK et perdre le cas \u00e9ch\u00e9ant, des donn\u00e9es de sauvegardes.<\/p>\n<p>Pour r\u00e9gler le probl\u00e8me:<\/p>\n<ul>\n<li>Turn off CBT<\/li>\n<li>Take a snapshot (Does suspend\/resume)<\/li>\n<li>Delete the snapshot (To recover space and performance)<\/li>\n<li>Turn on CBT<\/li>\n<li>Take a snapshot (Again with the suspend\/resume)<\/li>\n<li>Delete the snapshot.<\/li>\n<\/ul>\n<p>Il existe un scripte Powershell qui va vous faciliter la vie.<a title=\"Powershell r\u00e9solution probl\u00e8me CBT\" href=\"http:\/\/poshcode.org\/4149\" target=\"_blank\"> Ici<\/a><\/p>\n<p>Sinon Veeam a fait le travaille pour vous, comme d\u2019habitude, ils sont les premiers \u00e0 r\u00e9agir <a title=\"Veeam KB\" href=\"http:\/\/www.veeam.com\/kb1940\" target=\"_blank\">KB1940<\/a><\/p>\n<p>Voici la KB de VMware, d\u00e9crivant le probl\u00e8me <a title=\"VMware KB\" href=\"http:\/\/kb.vmware.com\/selfservice\/microsites\/search.do?language=en_US&amp;cmd=displayKC&amp;externalId=2090639\" target=\"_blank\">KB2090639<\/a><\/p>\n<p>Donc, pas besoin de faire cette action, sur toutes vos VMs, mais il ne sera pas \u00e9vident de retrouver les VMs impact\u00e9es, notamment sur les grosses infrastructures.<\/p>\n<p>Bonne recherche.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bonjour, Un nouveau bug a \u00e9t\u00e9 d\u00e9tect\u00e9 li\u00e9 au Virtual Disk Development Kit (VDDK), plus pr\u00e9cis\u00e9ment, \u00e0 la fonction QueryChangedDiskAreas(). Cette corruption apparait lors d&#8217;une augmentation de taille d&#8217;un VMDK et que l&#8217;on passe les limites suivantes: 2^7 \u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0 128GB 2^8 \u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0 256GB 2^9 \u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0 512GB 2^10\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0 1024GB 2^11\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0 2048GB <a class=\"more-link\" href=\"https:\/\/www.virtualementvotre.ch\/blog\/2014\/12\/01\/backup-cbt-corrompus-apres-lextension-dun-vmdk\/\">Continue reading <span class=\"screen-reader-text\">  Backup CBT corrompus apr\u00e8s l&#8217;extension d&#8217;un VMDK<\/span><span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":819,"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":[15,9,3],"tags":[549,550,146,542,547,552,554,553,543,548,546,551,545,544],"class_list":["post-817","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stockage","category-virtualisation","category-vmware","tag-256-gb","tag-512-gb","tag-cbt","tag-changed-block-tracking","tag-corruption-backup","tag-desactiver-cbt","tag-extension-disques-virtuels","tag-extension-vmdk","tag-kb2090639","tag-limite-128-gb","tag-querychangeddiskareas","tag-resolution-script-powershell","tag-vddk-api","tag-virtual-disk-development-kit"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2014\/11\/CBT.png?fit=654%2C280&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p4KzU1-db","jetpack-related-posts":[{"id":122,"url":"https:\/\/www.virtualementvotre.ch\/blog\/2012\/02\/11\/backup-dinfrastructures-virtuelles\/","url_meta":{"origin":817,"position":0},"title":"Backup d&#8217;infrastructures virtuelles","author":"Cedric Megroz","date":"11\/02\/2012","format":false,"excerpt":"Bonjour, Afin de r\u00e9pondre \u00e0 une question sur le groupe Linkedin, voici une petite introduction aux solutions de backup d\u2019infrastructures virtuelles. \u00a0 Dans le cadre des backups d\u2019infrastructures virtuelles, il existe plusieurs possibilit\u00e9s qui vont d\u00e9pendre de votre architecture informatique et des contraintes l\u00e9gales. \u00a0 Traditionnellement, l\u2019agent du logiciel 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\/02\/DGRM_vSphere_ConsolidatedBackup.gif?fit=350%2C267&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":76,"url":"https:\/\/www.virtualementvotre.ch\/blog\/2011\/04\/03\/le-vaai-et-les-primitives\/","url_meta":{"origin":817,"position":1},"title":"Le VAAI et les primitives","author":"Cedric Megroz","date":"03\/04\/2011","format":false,"excerpt":"Depuis la version vSphere, VMware a offert la possibilit\u00e9 d\u2019utiliser diff\u00e9rentes vAPI notamment au niveau du stockage. Une des premi\u00e8res int\u00e9grations a \u00e9t\u00e9 celle de VCB (VMware Consolidate Backup), dans les logiciels de Backup, afin de sauvegarder les VMs au niveau du VMDK, et de permettre des full et file\u2026","rel":"","context":"In &quot;STOCKAGE&quot;","block_context":{"text":"STOCKAGE","link":"https:\/\/www.virtualementvotre.ch\/blog\/category\/stockage\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":166,"url":"https:\/\/www.virtualementvotre.ch\/blog\/2013\/09\/09\/vsphere-5-5-whats-new\/","url_meta":{"origin":817,"position":2},"title":"vSphere 5.5 what\u2019s new","author":"Cedric Megroz","date":"09\/09\/2013","format":false,"excerpt":"Bonjour, Contrairement \u00e0 ce qui \u00e9tait pr\u00e9vu, la version 6 de vSphere , VMware n\u2019a sorti qu\u2019une update mineur avec la version vSphere 5.5. \u00a0 Les nouvelles fonctionnalit\u00e9s propos\u00e9es ne justifiaient, effectivement pas, une nouvelle version et VMware a peut \u00eatre d\u00e9cid\u00e9 de changer son cycle de version, en passant\u2026","rel":"","context":"In &quot;VIRTUALISATION&quot;","block_context":{"text":"VIRTUALISATION","link":"https:\/\/www.virtualementvotre.ch\/blog\/category\/virtualisation\/"},"img":{"alt_text":"CertifMap","src":"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2013\/09\/CertifMap.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2013\/09\/CertifMap.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2013\/09\/CertifMap.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":174,"url":"https:\/\/www.virtualementvotre.ch\/blog\/2013\/10\/21\/migration-de-rdm-raw-device-mapping\/","url_meta":{"origin":817,"position":3},"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":[]},{"id":136,"url":"https:\/\/www.virtualementvotre.ch\/blog\/2012\/06\/25\/vmware-site-recovery-manager-partie-2\/","url_meta":{"origin":817,"position":4},"title":"VMware Site Recovery Manager (partie 2)","author":"Cedric Megroz","date":"25\/06\/2012","format":false,"excerpt":"Bonjour, \u00a0 Suite aux articles introduisant les notions de DRP (ici) et sur Site Recovery Manager (ici), je vais aborder les nouvelles fonctionnalit\u00e9s de SRM 5. \u00a0 Comme indiqu\u00e9 dans l\u2019article pr\u00e9c\u00e9dent, VMware a offert une solution de r\u00e9plication, int\u00e9gr\u00e9 \u00e0 SRM, permettant de se d\u00e9tacher de toutes contraintes li\u00e9es\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\/2012\/06\/SRMvSphereReplication4.png?fit=883%2C543&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2012\/06\/SRMvSphereReplication4.png?fit=883%2C543&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2012\/06\/SRMvSphereReplication4.png?fit=883%2C543&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2012\/06\/SRMvSphereReplication4.png?fit=883%2C543&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":151,"url":"https:\/\/www.virtualementvotre.ch\/blog\/2012\/12\/07\/vsphere-data-protection-vdp\/","url_meta":{"origin":817,"position":5},"title":"vSphere Data Protection vDP","author":"Cedric Megroz","date":"07\/12\/2012","format":false,"excerpt":"Bonjour, Dans la s\u00e9rie, je me mets \u00e0 utiliser mon vSphere Web Client, j\u2019ai fait des tests avec vDP, le nouvel outil de backup propos\u00e9 par VMware et utilisable uniquement avec le web client. VDR (VMware Data Recovery) n\u2019ayant pas donn\u00e9 de bons r\u00e9sultats (surtout sur la dur\u00e9e, le catalogue\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\/12\/backupConfig4.png?fit=1200%2C588&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2012\/12\/backupConfig4.png?fit=1200%2C588&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2012\/12\/backupConfig4.png?fit=1200%2C588&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2012\/12\/backupConfig4.png?fit=1200%2C588&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.virtualementvotre.ch\/blog\/wp-content\/uploads\/2012\/12\/backupConfig4.png?fit=1200%2C588&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/posts\/817","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=817"}],"version-history":[{"count":8,"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/posts\/817\/revisions"}],"predecessor-version":[{"id":823,"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/posts\/817\/revisions\/823"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/media\/819"}],"wp:attachment":[{"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/media?parent=817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/categories?post=817"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.virtualementvotre.ch\/blog\/wp-json\/wp\/v2\/tags?post=817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}