{"id":111965,"date":"2025-02-25T09:22:35","date_gmt":"2025-02-25T17:22:35","guid":{"rendered":"https:\/\/www.backblaze.com\/blog\/?p=111965"},"modified":"2025-12-14T15:59:08","modified_gmt":"2025-12-14T23:59:08","slug":"disaster-recovery-101-backup-vs-replication","status":"publish","type":"post","link":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/","title":{"rendered":"Disaster Recovery 101: Backup vs. Replication"},"content":{"rendered":"\r\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1440\" height=\"821\" class=\"wp-image-111966\" src=\"https:\/\/www.backblaze.com\/blog\/wp-content\/uploads\/2025\/02\/bb-bh-Analyzing-Your-Media-heavy-Workflow.png\" alt=\"A decorative image showing icons that represent file types being uploaded to the cloud. \" srcset=\"https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2025\/02\/bb-bh-Analyzing-Your-Media-heavy-Workflow.png 1440w, https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2025\/02\/bb-bh-Analyzing-Your-Media-heavy-Workflow-300x171.png 300w, https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2025\/02\/bb-bh-Analyzing-Your-Media-heavy-Workflow-1024x584.png 1024w, https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2025\/02\/bb-bh-Analyzing-Your-Media-heavy-Workflow-768x438.png 768w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" \/><\/figure>\r\n\r\n\r\n\r\n<div class=\"wp-block-spacer\" style=\"height: 15px;\" aria-hidden=\"true\">\u00a0<\/div>\r\n\r\n\r\n\r\n<p>I\u2019ve heard the horror stories, and I\u2019m sure you have too. A company thinks they\u2019re covered because they have replication running, only to realize too late that replication doesn\u2019t protect against data corruption or ransomware. In a disaster scenario, every copy of their critical data is compromised. And then comes the dreaded question: Do we have a backup?<\/p>\r\n\r\n\r\n\r\n<p>Many teams\u2014even those with seasoned IT professionals\u2014misunderstand the fundamental difference between backup and replication for <a href=\"https:\/\/www.backblaze.com\/cloud-storage\/solutions\/ransomware-readiness-and-recovery\" target=\"_blank\" rel=\"noreferrer noopener\">disaster recovery (DR)<\/a>. Replication is about availability, or keeping systems running with minimal downtime. Backup is about recoverability, or ensuring you can go back to a known good state.<\/p>\r\n\r\n\r\n\r\n<p>This post breaks down replication, backup, and their respective roles in disaster recovery in a way that\u2019s easy to share with your team, helping to prevent costly misunderstandings.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">What is data replication?<\/h2>\r\n\r\n\r\n\r\n<p>Data replication involves copying and synchronizing data between your primary site and the DR destination in real-time or near real-time. It offers fast failover capabilities as the replicated data at the DR site is constantly updated. However, if malware infects your primary site, it might also replicate to the DR site, rendering the backup compromised.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">What is data backup?<\/h2>\r\n\r\n\r\n\r\n<p>Data backup involves creating full and <a href=\"https:\/\/www.backblaze.com\/blog\/whats-the-diff-full-incremental-differential-and-synthetic-full-backups\/\" target=\"_blank\" rel=\"noreferrer noopener\">incremental copies<\/a> of your data and storing them in a separate location from your primary system, typically on a scheduled basis, to prevent loss, corruption, or disasters. A couple key points:<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Incremental backups capture changes in data, thus offering a point-in-time recovery option.<\/li>\r\n\r\n\r\n\r\n<li>Ideally, backups are <a href=\"https:\/\/www.backblaze.com\/blog\/five-ways-to-use-object-lock-immutability\/\" target=\"_blank\" rel=\"noreferrer noopener\">immutable<\/a>, meaning they can\u2019t be altered, in order to protect against malware and <a href=\"https:\/\/www.backblaze.com\/cloud-storage\/solutions\/ransomware-readiness-and-recovery\" target=\"_blank\" rel=\"noreferrer noopener\">ransomware<\/a> by making files and images read-only for safe recovery.<\/li>\r\n\r\n\r\n\r\n<li>Air-gapped and offline backups can further help resist malware and ransomware attacks by creating a virtual or physical separation from the production network.<\/li>\r\n\r\n\r\n\r\n<li>Cloud-based backups are a great option for addressing these requirements while offering affordable scaling options as the environment grows.\u00a0<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Replicating backups<\/h2>\r\n\r\n\r\n\r\n<p>A hybrid approach involves replicating your backups to a secondary location, offering a balance between data protection and recovery time. This can be between on-premises and cloud environments, or across multiple cloud targets.<\/p>\r\n\r\n\r\n\r\n<p>While replicating backups offers additional protection and accessibility for online recovery, the backup images are still subject to <a href=\"https:\/\/www.backblaze.com\/blog\/complete-guide-ransomware\/\" target=\"_blank\" rel=\"noreferrer noopener\">ransomware infection<\/a>. Using immutable backups helps prevent the spread of the infection to recovery sites and backup repositories.<\/p>\r\n\r\n\r\n\r\n<p>Data backups paired with replication can be an ideal strategy. Full and incremental backups with point-in-time snapshots can provide regular recovery points with replicated copies for remote recovery and additional protection.\u00a0<\/p>\r\n\r\n\r\n\r\n<div class=\"abstract\" style=\"line-height: 1.8; margin: 24px 12px; padding: 24px 12px 10px 12px;\">\r\n<h4>Cloud Replication<\/h4>\r\n<p><a href=\"https:\/\/www.backblaze.com\/cloud-storage\/features\/replication\" target=\"_blank\" rel=\"noopener\">Backblaze B2 Cloud Replication<\/a> enables your data to be automatically copied from one location to another for redundancy, compliance, and fast local access. Create 2x backups for a stronger disaster recovery posture. Replicating your Backblaze data is easy and free\u2014no service or egress fees\u2014just the standard Backblaze B2 Cloud Storage rates.<\/p>\r\n<!--HubSpot Call-to-Action Code --><span id=\"hs-cta-wrapper-5631b2b7-62b9-423f-a301-61c738444d68\" class=\"hs-cta-wrapper\"><span id=\"hs-cta-5631b2b7-62b9-423f-a301-61c738444d68\" class=\"hs-cta-node hs-cta-5631b2b7-62b9-423f-a301-61c738444d68\"><!-- [if lte IE 8]><div id=\"hs-cta-ie-element\"><\/div><![endif]--><a href=\"https:\/\/cta-redirect.hubspot.com\/cta\/redirect\/2832298\/5631b2b7-62b9-423f-a301-61c738444d68\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" id=\"hs-cta-img-5631b2b7-62b9-423f-a301-61c738444d68\" class=\"hs-cta-img\" style=\"border-width: 0px;\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/2832298\/5631b2b7-62b9-423f-a301-61c738444d68.png\" alt=\"Learn More \u2794\u00a0\" \/><\/a><\/span><script charset=\"utf-8\" src=\"https:\/\/js.hscta.net\/cta\/current.js\"><\/script><script type=\"text\/javascript\"> hbspt.cta.load(2832298, '5631b2b7-62b9-423f-a301-61c738444d68', {\"useNewLoader\":\"true\",\"region\":\"na1\"}); <\/script><\/span><!-- end HubSpot Call-to-Action Code --><\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-spacer\" style=\"height: 10px;\" aria-hidden=\"true\">\u00a0<\/div>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Disaster recovery and backups: Factors to consider when choosing the right approach<\/h2>\r\n\r\n\r\n\r\n<p>The optimal approach to disaster recovery backup and when and how you use replication depends on your specific needs.<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>For frequently accessed data requiring near-instantaneous recovery, consider a combination of a <a href=\"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-hot-vs-warm-vs-cold-dr-sites\/\" target=\"_blank\" rel=\"noreferrer noopener\">hot site methodology<\/a> and real-time data replication. This offers the fastest failover, but can come at a higher cost.<\/li>\r\n\r\n\r\n\r\n<li>For critical data with acceptable downtime, a warm site with replicated immutable backups at a secondary location (either on-premises or in the cloud) provides a good balance between cost and recovery time. While requiring some manual intervention, it offers protection against malware replicating to the DR site.<\/li>\r\n\r\n\r\n\r\n<li>For less critical data or archival purposes, cold storage with periodic backups is a cost-effective option. Backups offer a historical record and are less susceptible to malware infection compared to replicated data, particularly if <a href=\"https:\/\/www.backblaze.com\/cloud-storage\/solutions\/object-lock\" target=\"_blank\" rel=\"noreferrer noopener\">Object Lock<\/a> is enabled for immutability.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>Data replication is important, but it should not be seen as a substitute for backups. Backups offer a required safety net, providing a point-in-time recovery option even if the replicated data is compromised. Selecting the right disaster recovery backup strategy depends on a careful evaluation of your company\u2019s specific needs, budget, and risk tolerance.\u00a0<\/p>\r\n\r\n\r\n\r\n<p>By understanding the pros and cons of each option, you can make an informed decision that ensures optimal protection for your critical data in the face of unforeseen disruptions.<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>When you&#8217;re building a disaster recovery strategy, it&#8217;s crucial to know that there&#8217;s a difference between replication and backups. Here&#8217;s what you need to know. <\/p>\n","protected":false},"author":175,"featured_media":111966,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[7,434,438,475,478],"tags":[468,490],"class_list":["post-111965","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-storage","category-featured-1","category-featured-cloud-storage","category-ransomware","category-server-backup","tag-b2cloud","tag-disaster-recovery-draas","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Disaster Recovery 101: The Difference Between Cloud Replication and Backup<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Disaster Recovery 101: The Difference Between Cloud Replication and Backup\" \/>\n<meta property=\"og:description\" content=\"When you&#039;re building a disaster recovery strategy, it&#039;s crucial to know that there&#039;s a difference between replication and backups. Here&#039;s what you need to know.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/\" \/>\n<meta property=\"og:site_name\" content=\"Backblaze Blog | Cloud Storage &amp; Cloud Backup\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/backblaze\" \/>\n<meta property=\"article:published_time\" content=\"2025-02-25T17:22:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-14T23:59:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2025\/02\/bb-bh-Analyzing-Your-Media-heavy-Workflow.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1440\" \/>\n\t<meta property=\"og:image:height\" content=\"821\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Kari Rivas\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@backblaze\" \/>\n<meta name=\"twitter:site\" content=\"@backblaze\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kari Rivas\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Disaster Recovery 101: The Difference Between Cloud Replication and Backup","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/","og_locale":"en_US","og_type":"article","og_title":"Disaster Recovery 101: The Difference Between Cloud Replication and Backup","og_description":"When you're building a disaster recovery strategy, it's crucial to know that there's a difference between replication and backups. Here's what you need to know.","og_url":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/","og_site_name":"Backblaze Blog | Cloud Storage &amp; Cloud Backup","article_publisher":"https:\/\/www.facebook.com\/backblaze","article_published_time":"2025-02-25T17:22:35+00:00","article_modified_time":"2025-12-14T23:59:08+00:00","og_image":[{"width":1440,"height":821,"url":"https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2025\/02\/bb-bh-Analyzing-Your-Media-heavy-Workflow.png","type":"image\/png"}],"author":"Kari Rivas","twitter_card":"summary_large_image","twitter_creator":"@backblaze","twitter_site":"@backblaze","twitter_misc":{"Written by":"Kari Rivas","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/#article","isPartOf":{"@id":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/"},"author":{"name":"Kari Rivas","@id":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/#\/schema\/person\/cd16e363fb44fc4234121fca85ded1d2"},"headline":"Disaster Recovery 101: Backup vs. Replication","datePublished":"2025-02-25T17:22:35+00:00","dateModified":"2025-12-14T23:59:08+00:00","mainEntityOfPage":{"@id":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/"},"wordCount":713,"commentCount":0,"publisher":{"@id":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/#primaryimage"},"thumbnailUrl":"https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2025\/02\/bb-bh-Analyzing-Your-Media-heavy-Workflow.png","keywords":["B2Cloud","Disaster recovery\/DRaaS"],"articleSection":["Cloud Storage","Featured","Featured-Cloud Storage","Ransomware","Server Backup"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/","url":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/","name":"Disaster Recovery 101: The Difference Between Cloud Replication and Backup","isPartOf":{"@id":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/#primaryimage"},"image":{"@id":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/#primaryimage"},"thumbnailUrl":"https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2025\/02\/bb-bh-Analyzing-Your-Media-heavy-Workflow.png","datePublished":"2025-02-25T17:22:35+00:00","dateModified":"2025-12-14T23:59:08+00:00","breadcrumb":{"@id":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/#primaryimage","url":"https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2025\/02\/bb-bh-Analyzing-Your-Media-heavy-Workflow.png","contentUrl":"https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2025\/02\/bb-bh-Analyzing-Your-Media-heavy-Workflow.png","width":1440,"height":821,"caption":"A decorative image showing icons that represent file types being uploaded to the cloud."},{"@type":"BreadcrumbList","@id":"https:\/\/www.backblaze.com\/blog\/disaster-recovery-101-backup-vs-replication\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Disaster Recovery 101: Backup vs. Replication"}]},{"@type":"WebSite","@id":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/#website","url":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/","name":"Backblaze Cloud Solutions Blog","description":"Cloud Storage &amp; Cloud Backup","publisher":{"@id":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/#organization","name":"Backblaze","url":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/i0.wp.com\/www.backblaze.com\/blog\/wp-content\/uploads\/2017\/12\/backblaze_icon_transparent.png?fit=512%2C512&ssl=1","contentUrl":"https:\/\/i0.wp.com\/www.backblaze.com\/blog\/wp-content\/uploads\/2017\/12\/backblaze_icon_transparent.png?fit=512%2C512&ssl=1","width":512,"height":512,"caption":"Backblaze"},"image":{"@id":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/backblaze","https:\/\/x.com\/backblaze","https:\/\/www.youtube.com\/user\/Backblaze","https:\/\/en.wikipedia.org\/wiki\/Backblaze"]},{"@type":"Person","@id":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/#\/schema\/person\/cd16e363fb44fc4234121fca85ded1d2","name":"Kari Rivas","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2022\/02\/Kari-Rivas-150x150.jpg","url":"https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2022\/02\/Kari-Rivas-150x150.jpg","contentUrl":"https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2022\/02\/Kari-Rivas-150x150.jpg","caption":"Kari Rivas"},"description":"As a Senior Product Marketing Manager, Kari Rivas leads backup and archive marketing at Backblaze, the leading cloud storage innovator delivering a modern alternative to traditional cloud providers. She works closely with IT professionals, managed service providers, and other businesses to ensure they never lose their valuable data. She received her MBA in 2010 and has spent 15 years in marketing, most notably in the education and SaaS spaces. Connect with her on LinkedIn.","url":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/author\/kari\/"}]}},"jetpack_featured_media_url":"https:\/\/backblazeprod.wpenginepowered.com\/wp-content\/uploads\/2025\/02\/bb-bh-Analyzing-Your-Media-heavy-Workflow.png","_links":{"self":[{"href":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/wp-json\/wp\/v2\/posts\/111965","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/wp-json\/wp\/v2\/users\/175"}],"replies":[{"embeddable":true,"href":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/wp-json\/wp\/v2\/comments?post=111965"}],"version-history":[{"count":0,"href":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/wp-json\/wp\/v2\/posts\/111965\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/wp-json\/wp\/v2\/media\/111966"}],"wp:attachment":[{"href":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/wp-json\/wp\/v2\/media?parent=111965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/wp-json\/wp\/v2\/categories?post=111965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/backblazeprod.wpenginepowered.com\/blog\/wp-json\/wp\/v2\/tags?post=111965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}