{"id":293,"date":"2009-10-29T08:55:48","date_gmt":"2009-10-29T07:55:48","guid":{"rendered":"http:\/\/www.amikkelsen.com\/?p=293"},"modified":"2009-10-29T08:55:48","modified_gmt":"2009-10-29T07:55:48","slug":"extend-disk-with-snapshots-how-to-fix-the-error","status":"publish","type":"post","link":"https:\/\/www.amikkelsen.com\/?p=293","title":{"rendered":"Extend disk with snapshots &#8211; How to fix the error"},"content":{"rendered":"<p class=\"MsoNormal\"><span>Yesterday I by mistake extended a disk on a VM that had snapshots.<\/span><span><br \/>\nUsing vmkfstools.<br \/>\nKind of like this thread (<a href=\"http:\/\/communities.vmware.com\/thread\/238035\">http:\/\/communities.vmware.com\/thread\/238035<\/a>).<br \/>\n<!--[if !supportLineBreakNewLine]--><!--[endif]--><\/span>\n<\/p>\n<p class=\"MsoNormal\"><span>This resulted in the following PowerOn error:<\/span><\/p>\n<table class=\"MsoTableGrid\" style=\"border: medium none; background: #e5e5e5 none repeat scroll 0% 0%; border-collapse: collapse;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td style=\"border: 1pt dotted windowtext; padding: 0cm 5.4pt; width: 436pt;\" width=\"581\" valign=\"top\">\n<p class=\"MsoNormal\"><span>Failed to power on <em>Servername<\/em> on <em>Host<\/em> in <em>Cluster<\/em>: <\/span><\/p>\n<p class=\"MsoNormal\"><span>Cannot open the disk   &#8216;\/vmfs\/volumes\/<em>LUN<\/em>\/<em>Folder<\/em>\/<em>VM<\/em>.vmdk&#8217;<span> <\/span><span> <\/span><br \/>\nReason: The parent virtual machine disk has been modified since the child was   created<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"MsoNormal\"><span> <\/span><\/p>\n<p class=\"MsoNormal\"><span>The server was a database server so I had no choice than to fix it.<\/span><\/p>\n<p><!--[if !supportLists]--><!--[endif]--><span>I tried the following with no luck:<\/span><\/p>\n<ul>\n<li><span>Reverting to snapshot didn&#8217;t help &#8211; (Don&#8217;t try this if you don&#8217;t have a good backup)<\/span><\/li>\n<li><span style=\"font-family: Symbol;\"><span><span style=\"font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;\"> <\/span><\/span><\/span><!--[endif]--><span>Shrinking the vmdk again using vmkfstools &#8211; (This has not been possible since ESX 3.0)<\/span><\/li>\n<\/ul>\n<p class=\"MsoNormal\"><span> <\/span><\/p>\n<p class=\"MsoNormal\"><span> <\/span><\/p>\n<p class=\"MsoNormal\"><span>Then I tried to use VMware Converter to do a V2V and in the first try (all defaults) that didn&#8217;t help the VM started with a BSOD.<\/span><span>I tried again using the Converter but this time I changed one default parameter.<\/span><span>In the &#8220;View\/Edit Options&#8221; tap, remove the check mark in &#8220;Reconfigure destination virtual machine&#8221; and click YES to the warning.<\/span><span>Removing the reconfigure option saved my day.<br \/>\nThe VM started and I was able to restore the latest files from backup.<\/span><\/p>\n<p class=\"MsoNormal\"><span><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" title=\"Extend diskk with snapshots using converter\" src=\"http:\/\/www.amikkelsen.com\/images\/extend_disk_snapshots_converter.JPG\" alt=\"\" width=\"571\" height=\"429\" \/><br \/>\n<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Yesterday I by mistake extended a disk on a VM that had snapshots. Using vmkfstools. Kind of like this thread (http:\/\/communities.vmware.com\/thread\/238035). This resulted in the following PowerOn error: Failed to power on Servername on Host in Cluster: Cannot open the disk &#8216;\/vmfs\/volumes\/LUN\/Folder\/VM.vmdk&#8217; Reason: The parent virtual machine disk has been modified since the child was\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.amikkelsen.com\/?p=293\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[89,17,90,16,10],"tags":[176,174,173,175,177],"class_list":["post-293","post","type-post","status-publish","format-standard","hentry","category-errors","category-esx-i","category-troubleshooting","category-esx-x","category-white-papers","tag-converter","tag-disk","tag-extend","tag-snapshots","tag-vmkfstools"],"_links":{"self":[{"href":"https:\/\/www.amikkelsen.com\/index.php?rest_route=\/wp\/v2\/posts\/293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.amikkelsen.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.amikkelsen.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.amikkelsen.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.amikkelsen.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=293"}],"version-history":[{"count":5,"href":"https:\/\/www.amikkelsen.com\/index.php?rest_route=\/wp\/v2\/posts\/293\/revisions"}],"predecessor-version":[{"id":298,"href":"https:\/\/www.amikkelsen.com\/index.php?rest_route=\/wp\/v2\/posts\/293\/revisions\/298"}],"wp:attachment":[{"href":"https:\/\/www.amikkelsen.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.amikkelsen.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.amikkelsen.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}