<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[Are there any downsides to using CBT when doing backups?]]></title><description><![CDATA[<p dir="auto">I moved over to using CBT this past weekend. It seems much, much, faster and I didnt have a single error. In the past about 20% of my nightly incremental backups had errors like "can't compute delta OpaqueRef:blah-fba0-ced3-7653-blahblah from OpaqueRef:blah-b53d-3935-1af0-blahblah, fall back to a full"</p>
<p dir="auto">I have this option "Purge snapshot data when using CBT" set to yes.</p>
<p dir="auto">I have both of these options set to no as I don't really fully understand the implications (other than the info bubble <img src="https://xcp-ng.org/forum/assets/plugins/nodebb-plugin-emoji/emoji/android/1f61e.png?v=041a08e19dc" class="not-responsive emoji emoji-android emoji--disappointed" style="height:1.4em;width:auto;vertical-align:middle" title="):" alt="😞" /><br />
"Merge backups synchronously "<br />
"Synchronize snapshots"</p>
<p dir="auto">With that said, are there any downsides to using CBT when doing backups?</p>
<p dir="auto">Thanks!</p>
]]></description><link>https://xcp-ng.org/forum/topic/12539/are-there-any-downsides-to-using-cbt-when-doing-backups</link><generator>RSS for Node</generator><lastBuildDate>Tue, 20 Oct 2026 04:53:08 GMT</lastBuildDate><atom:link href="https://xcp-ng.org/forum/topic/12539.rss" rel="self" type="application/rss+xml"/><pubDate>Mon, 19 Oct 2026 21:26:09 GMT</pubDate><ttl>60</ttl></channel></rss>