{"id":1344,"date":"2017-10-30T23:09:03","date_gmt":"2017-10-30T15:09:03","guid":{"rendered":"http:\/\/www.yaoge123.com\/blog\/?p=1344"},"modified":"2017-10-31T00:03:12","modified_gmt":"2017-10-30T16:03:12","slug":"veeam-%e4%b8%8d%e5%90%8c%e5%a4%87%e4%bb%bd%e6%96%b9%e5%bc%8f%e7%9a%84%e8%b4%9f%e8%bd%bd","status":"publish","type":"post","link":"https:\/\/www.yaoge123.com\/blog\/archives\/1344","title":{"rendered":"Veeam \u4e0d\u540c\u5907\u4efd\u65b9\u5f0f\u7684\u8d1f\u8f7d"},"content":{"rendered":"<h3>IO\u8d1f\u8f7d<\/h3>\n<table>\n<thead>\n<tr>\n<th>Method<\/th>\n<th>I\/O impact on destination storage<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Forward incremental<\/td>\n<td>1x write I\/O for incremental backup size<\/td>\n<\/tr>\n<tr>\n<td>Forward incremental, active full<\/td>\n<td>1x write I\/O for total full backup size<\/td>\n<\/tr>\n<tr>\n<td>Forward incremental, transform<\/td>\n<td>2x I\/O (1x read, 1x write) for incremental backup size<\/td>\n<\/tr>\n<tr>\n<td>Forward incremental, synthetic full<\/td>\n<td>2x I\/O (1x read, 1x write) for entire backup chain<\/td>\n<\/tr>\n<tr>\n<td>Reversed incremental<\/td>\n<td>3x I\/O (1x read, 2x write) for incremental backup size<\/td>\n<\/tr>\n<tr>\n<td>Synthetic full with transform to rollbacks<\/td>\n<td>4x I\/O (2x read, 2x write) for entire backup chain<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>Reversed Incremental Backup\uff1a\u6bcf\u6b21\u5907\u4efd\u5bf9\u5907\u4efd\u5b58\u50a8\u7684IO\u538b\u529b\u5f88\u5927\uff0c\u5907\u4efd\u7a97\u53e3\u65f6\u95f4\u957f\uff0c\u4f46\u662f\u5907\u4efd\u7a7a\u95f4\u5360\u7528\u6700\u5c11\uff0c\u53ea\u6709\u4e00\u4e2a\u6700\u65b0\u7684\u5b8c\u6574\u5907\u4efd\u3002<\/p>\n<p>Forward Incremental Backup\uff1a\u6bcf\u6b21\u5907\u4efd\u5bf9\u5907\u4efd\u5b58\u50a8\u7684IO\u538b\u529b\u6700\u5c0f\uff0c\u5907\u4efd\u7a97\u53e3\u65f6\u95f4\u6700\u77ed\uff0c\u53ef\u80fd\u4f1a\u9700\u8981\u989d\u5916\u5907\u4efd\u7a7a\u95f4\u5b58\u50a8\u591a\u4e2a\u5b8c\u6574\u5907\u4efd\u3002<br \/>\nForever forward incremental Backup\uff1a\u5bf9\u6e90\u5b58\u50a8\u65e0\u538b\u529b\uff0c\u5982\u679c\u865a\u62df\u673a\u53d8\u5316\u5f88\u5927\uff0c\u5408\u5e76\u6700\u540e\u4e00\u4e2a\u589e\u91cf\u548c\u5b8c\u6574\u5907\u4efd\u53ef\u80fd\u538b\u529b\u5927\uff0c\u53ea\u6709\u4e00\u4e2a\u6700\u8001\u7684\u5b8c\u6574\u5907\u4efd\u3002<br \/>\nSynthetic Full Backup\uff1a\u5bf9\u6e90\u5b58\u50a8\u65e0\u538b\u529b\uff0c\u5bf9\u5907\u4efd\u5b58\u50a8IO\u538b\u529b\u8f83\u5927\uff0c\u56e0\u4e3a\u4e0d\u662f\u5907\u4efd\u8fc7\u7a0b\u6240\u4ee5\u6ca1\u6709\u5907\u4efd\u7a97\u53e3\uff0c\u4e00\u822c\u4f1a\u4fdd\u7559\u6709\u591a\u4e2a\u5b8c\u6574\u5907\u4efd\u3002<br \/>\nTransforming Incremental Backup Chains into Reversed Incremental Backup Chains\uff1a\u5bf9\u6e90\u5b58\u50a8\u65e0\u538b\u529b\uff0c\u5bf9\u5907\u4efd\u5b58\u50a8IO\u538b\u529b\u6781\u5927\uff0c\u56e0\u4e3a\u4e0d\u662f\u5907\u4efd\u8fc7\u7a0b\u6240\u4ee5\u6ca1\u6709\u5907\u4efd\u7a97\u53e3\uff0c\u53ea\u4fdd\u7559\u4e00\u4e2a\u5b8c\u6574\u5907\u4efd\u3002<br \/>\nActive Full Backup\uff1a\u5b8c\u5168\u4ece\u6e90\u5b58\u50a8\u521b\u5efa\u4e00\u4e2a\u5b8c\u6574\u5907\u4efd\uff0c\u9700\u8981\u4ece\u6e90\u8bfb\u53d6\u6240\u6709\u6570\u636e\uff0c\u5bf9\u5907\u4efd\u5b58\u50a8\u662f\u987a\u5e8fIO\u5199\u56e0\u6b64\u538b\u529b\u4e0d\u5927\uff0c\u4f46\u662f\u5907\u4efd\u7a97\u53e3\u65f6\u95f4\u975e\u5e38\u957f\uff0c\u5bf9\u751f\u4ea7\u7cfb\u7edf\u6e90\u5b58\u50a8\u6027\u80fd\u6709\u8d1f\u9762\u5f71\u54cd\uff0c\u4e00\u822c\u4f1a\u4fdd\u7559\u6709\u591a\u4e2a\u5b8c\u6574\u5907\u4efd\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>IO\u8d1f\u8f7d Method I\/O impact on destination storage Forward i [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_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},"jetpack_post_was_ever_published":false},"categories":[10],"tags":[194],"class_list":["post-1344","post","type-post","status-publish","format-standard","hentry","category-vmware-computer-2","tag-veeam"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paOwEq-lG","_links":{"self":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/1344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/comments?post=1344"}],"version-history":[{"count":4,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/1344\/revisions"}],"predecessor-version":[{"id":1353,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/1344\/revisions\/1353"}],"wp:attachment":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/media?parent=1344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/categories?post=1344"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/tags?post=1344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}