{"id":263,"date":"2013-10-25T23:51:03","date_gmt":"2013-10-25T21:51:03","guid":{"rendered":"http:\/\/www.windows-infrastructure.de\/?p=263"},"modified":"2021-03-06T18:09:00","modified_gmt":"2021-03-06T16:09:00","slug":"shared-virtual-hard-disk-for-guest-clusters","status":"publish","type":"post","link":"http:\/\/www.windows-infrastructure.de\/shared-virtual-hard-disk-for-guest-clusters\/","title":{"rendered":"Shared virtual hard disk (for guest clusters)"},"content":{"rendered":"<p>Mit R2 des 2012er Servers sind viele neue Features im Bereich virtual hard disk und Failover-Cluster hinzugekommen. Shared VHD erm\u00f6glicht den Einsatz einer zentralen virtuellen Hard Disk (VHDX) als shared Storage f\u00fcr Hyper-V Guests Failover Cluster.<\/p>\n<p>Bisher war es nur umst\u00e4ndlich zu bewerkstelligen shared Storage innerhalb des Clusters zu pr\u00e4sentieren. Die Anbindung konnte mittels iSCSI oder SAN Block Storage erfolgen, aber eben aus den Guest Systemen heraus. Pr\u00e4sentiert man mit der neuen Funktion von Server 2012R2 ein VHDX File an mehrere Guests, geschieht dies auf der Host Ebene. Das bietet gr\u00f6ssere Skalierbarkeit und vor allem Standard und damit einfach; kein zoning, kein unmasking, keine WWN&#8217;s, keine iqn&#8217;s! Gespeichert wird parallel zu allen anderen Guest Konfigurationen und virtuellen Harddisks.<\/p>\n<p><!--more--><\/p>\n<p><strong>Einschr\u00e4nkungen<\/strong><\/p>\n<ul>\n<li>Guests: Generation 1 sowie Generation 2 VM&#8217;s<\/li>\n<li>Guest OS Server 2012R2 oder 2012 mit aktualisierten Integration Tools<\/li>\n<li>Einsatz als: Daten Disks und Quorum<\/li>\n<li>Disk Type: Dynamically expanding und Fixed Size<\/li>\n<li>Store location: CSV oder SOFS mit\u00a0SMB3.0<\/li>\n<li>Guest Disk Controller: SCSI<\/li>\n<\/ul>\n<p>Das sharing der Harddisk muss aktiviert werden, um weiteren Zugriff auf das File zu erlauben<\/p>\n<p><a href=\"http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_003.png\"><img loading=\"lazy\" class=\"aligncenter wp-image-372 size-full\" src=\"http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_003.png\" alt=\"Hyper-V hard drive advanced settings\" width=\"735\" height=\"693\" srcset=\"http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_003.png 735w, http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_003-300x282.png 300w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_004.png\"><img loading=\"lazy\" class=\"aligncenter wp-image-373 size-full\" src=\"http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_004.png\" alt=\"Hyper-V hard drive advanced settings enable virtual hard disk sharing\" width=\"736\" height=\"693\" srcset=\"http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_004.png 736w, http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_004-300x282.png 300w\" sizes=\"(max-width: 736px) 100vw, 736px\" \/><\/a><\/p>\n<p><strong>\u00a0<\/strong><br \/>\n<span class=\"\" style=\"display:block;clear:both;height: 0px;padding-top: 20px;border-top-width:0px;border-bottom-width:0px;\"><\/span><\/p>\n<pre class=\"lang:default decode:true \">Get-VM -ComputerName 2012R2-Cl1 | Get-VMHardDiskDrive | FT VMname,ControllerType,Path,SupportPersistentReservations -AutoSize<\/pre>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_0031.png\"><img loading=\"lazy\" class=\"aligncenter wp-image-386 size-full\" src=\"http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_0031.png\" alt=\"Get-VM -ComputerName 2012R2-Cl1 | Get-VMHardDiskDrive | FT VMname,ControllerType,Path,SupportPersistentReservations -AutoSize hard disk sharing\" width=\"875\" height=\"329\" srcset=\"http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_0031.png 875w, http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_0031-300x112.png 300w\" sizes=\"(max-width: 875px) 100vw, 875px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p>Checkpoints sind nicht mehr m\u00f6glich; differencing Disks werden geshared nicht unterst\u00fctzt<\/p>\n<pre class=\"lang:default decode:true \">Get-VM -ComputerName 2012R2-Cl1 | Checkpoint-VM<\/pre>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_005.png\"><img loading=\"lazy\" class=\"aligncenter wp-image-388 size-full\" src=\"http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_005.png\" alt=\"Get-VM -ComputerName 2012R2-Cl1 | Checkpoint-VM hard disk sharing\" width=\"875\" height=\"311\" srcset=\"http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_005.png 875w, http:\/\/www.windows-infrastructure.de\/wp-content\/uploads\/2013\/10\/hc_005-300x106.png 300w\" sizes=\"(max-width: 875px) 100vw, 875px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mit R2 des 2012er Servers sind viele neue Features im Bereich virtual hard disk und Failover-Cluster hinzugekommen. Shared VHD erm\u00f6glicht den Einsatz einer zentralen virtuellen Hard Disk (VHDX) als shared Storage f\u00fcr Hyper-V Guests Failover Cluster. 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