{"id":9701,"date":"2009-06-19T10:59:00","date_gmt":"1999-11-29T20:00:00","guid":{"rendered":"https:\/\/aidanfinn.com\/?p=9701"},"modified":"2009-06-19T10:59:00","modified_gmt":"1999-11-29T20:00:00","slug":"windows-server-2008-r2-hyper-v-snapshot-changes","status":"publish","type":"post","link":"https:\/\/aidanfinn.com\/?p=9701","title":{"rendered":"Windows Server 2008 R2 Hyper-V Snapshot Changes"},"content":{"rendered":"<p>Ben Armstrong <a href=\"http:\/\/blogs.msdn.com\/virtual_pc_guy\/archive\/2009\/06\/18\/changes-to-virtual-machine-snapshots-in-windows-server-2008-r2.aspx\" target=\"_blank\">blogged<\/a> last night about some of the changes that affect snapshots in Hyper-V running on Windows Server 2008 R2 and Hyper-V Server 2008 R2.<\/p>\n<p>Before we mention them, it should be noted that you need to merge or delete your snapshots on the current release of Hyper-V before doing and upgrade to 2008 R2.<\/p>\n<ul>\n<li>You will be able to export a snapshot.\u00a0 In the background a merge is taking place to a new VHD file.\u00a0 You can then mount this or set it up as a new VM.\u00a0 It will appear as a new VM with no snapshots. <\/li>\n<li>AVHD files (your snapshots) will be created in the same folder as the VM\u2019s VHD files.\u00a0 That makes them easier to find. <\/li>\n<li>Opening the properties of a snapshot shows you the related VHD files that are used to create the snapshot. <\/li>\n<li>You can edit an AVHD file to manually merge a snapshot. <\/li>\n<li>You will be able to manually attach snapshots to a VM.\u00a0 E.G. say you have a template VHD and you\u2019ve built up some lab machines using snapshots.\u00a0 You can recreate that lab by copying the AVHD\u2019s and attaching them to new VM\u2019s.<\/li>\n<\/ul>\n<p>I really don\u2019t see snapshots as being something that should be used in production.\u00a0 For me, they\u2019re limited to labs.\u00a0 The AVHD file is a kind of differencing disk and the performance isn\u2019t great.\u00a0 You also need to be careful about AVHD bloat.\u00a0 If you need snapshot like behaviour in production then use a Hyper VSS enabled backup solution on the parent partition, e.g. DPM 2007 SP1.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ben Armstrong blogged last night about some of the changes that affect snapshots in Hyper-V running on Windows Server 2008 R2 and Hyper-V Server 2008 R2. Before we mention them, it should be noted that you need to merge or delete your snapshots on the current release of Hyper-V before doing and upgrade to 2008 &hellip; <a href=\"https:\/\/aidanfinn.com\/?p=9701\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Windows Server 2008 R2 Hyper-V Snapshot Changes&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[20],"tags":[],"class_list":["post-9701","post","type-post","status-publish","format-standard","hentry","category-hyper-v"],"aioseo_notices":[],"jetpack_featured_media_url":"","amp_enabled":true,"_links":{"self":[{"href":"https:\/\/aidanfinn.com\/index.php?rest_route=\/wp\/v2\/posts\/9701","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aidanfinn.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aidanfinn.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aidanfinn.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aidanfinn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9701"}],"version-history":[{"count":0,"href":"https:\/\/aidanfinn.com\/index.php?rest_route=\/wp\/v2\/posts\/9701\/revisions"}],"wp:attachment":[{"href":"https:\/\/aidanfinn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aidanfinn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aidanfinn.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}