{"id":1222,"date":"2025-08-24T14:38:08","date_gmt":"2025-08-24T12:38:08","guid":{"rendered":"https:\/\/pcmacb.de\/?page_id=1222"},"modified":"2025-10-13T09:55:55","modified_gmt":"2025-10-13T07:55:55","slug":"qemu-disk-management","status":"publish","type":"page","link":"https:\/\/pcmacb.de\/?page_id=1222","title":{"rendered":"Qemu Disk Management"},"content":{"rendered":"\n<p>Festplattenimage erzeugen<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>qemu-img create -f qcow2 \/path\/to\/newdisk.qcow2 20G<\/code><\/pre>\n\n\n\n<p>F\u00fcr beste Performance<\/p>\n\n\n\n<p>qemu-img create -f qcow2 -o preallocation=full,cluster_size=128k disk.qcow2 40G<\/p>\n\n\n\n<p>Festplatte von vdi nach qcow2 umwandeln (mit -p kann der Progress angezeigt werden)<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>qemu-img convert -f vdi -O qcow2 input.vdi output.qcow2<\/code><\/pre>\n\n\n\n<p>Festplatte von qcow2 nach vmdk umwandeln (im Verzeichnis oder volle Pfadangaben)<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>qemu-img convert -p -f qcow2 -O vmdk suse.qcow2 suse.vmdk<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Festplatte nach dem Aufr\u00e4umen komprimieren<\/h3>\n\n\n\n<p>Linux easy way<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dd if=\/dev\/zero of=\/mytempfile<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code># that could take a some time\nrm -f \/mytempfile<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>qemu-img convert -p -O qcow2 old.qcow2 new.qcow2<\/code><\/pre>\n\n\n\n<p>ODER<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>virt-sparsify --compress old.qcow2 new.qcow2<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Festplattenimage erzeugen F\u00fcr beste Performance qemu-img create -f qcow2 -o preallocation=full,cluster_size=128k disk.qcow2 40G Festplatte von vdi nach qcow2 umwandeln (mit -p kann der Progress angezeigt werden) Festplatte von qcow2 nach vmdk umwandeln (im Verzeichnis oder volle Pfadangaben) Festplatte nach dem <a class=\"more-link\" href=\"https:\/\/pcmacb.de\/?page_id=1222\">weiterlesen&#8230;<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"class_list":["post-1222","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/pcmacb.de\/index.php?rest_route=\/wp\/v2\/pages\/1222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pcmacb.de\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pcmacb.de\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pcmacb.de\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/pcmacb.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1222"}],"version-history":[{"count":10,"href":"https:\/\/pcmacb.de\/index.php?rest_route=\/wp\/v2\/pages\/1222\/revisions"}],"predecessor-version":[{"id":1406,"href":"https:\/\/pcmacb.de\/index.php?rest_route=\/wp\/v2\/pages\/1222\/revisions\/1406"}],"wp:attachment":[{"href":"https:\/\/pcmacb.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}