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Which item should be inspected first for backup and recovery before merging multiple sites into a batch of domain names?

📅 2026-11-01 👁️ 1

Before merging multiple sites into a batch of domain names, which item should be accepted first for backup and recovery? The item to be accepted is not 'whether the backup files exist', but 'whether it can be cleanly restored'. Merging will mix the directories, databases, static resources, and template structures of multiple sites together, making the rollback boundaries blurred: when problems occur, it is often unclear which site's which time point should be rolled back to. The acceptance sequence should be to first confirm the backup coverage range, then conduct a real isolation recovery exercise, and only after the exercise is passed can we proceed to the stages of address switching, old link 301 redirection, and site map reconstruction.

Why should recovery be verified first instead of switching addresses first?

Changing the domain name is a one-way action. Once the old site starts to redirect to the new address, the index weight, external link aggregation, and internal links will follow. The cost of rolling back is ranking fluctuations rather than configuration changes.So the risk of merging projects is not determined by whether the backup has been generated, but by how long the recovery takes and what state it is recovered to. Multi-site management itself reduces the difficulty of merging on the content side, AnQiCMS's multi-site capability can maintain multiple independent sites in one background, suitable for multi-brand, multi-theme scenarios, but merging is to align the content structure of different sites, this step has a high failure rate, and a reliable fallback point must be available first.

Two types of content to be overwritten in backup

The first type is data, including documents, columns, tags, user and system configurations. The second type is static files, including uploaded image attachments, template files and generated static resources. Only looking at the database export is the most common pitfall in merging projects: the site program can start, and the page can open, but all the images are lost, and the template cannot go back. AnQiCMS's backup and recovery supports data containing static files, and the acceptance should confirm that both are at the same time point, not that the database is backed up today and the attachments were backed up last week.

The acceptance list must include at least three items: whether the size of the backup file is consistent with the amount of site content, whether it includes the attachment directory, and whether the generation time falls within the same minute. If any of the three items is uncertain, the exercise is considered to have failed.

Minimum acceptance for recovery exercise

The drill should be done in an isolated environment without connecting to production traffic. The steps are to create a clean environment, restore the backup, and then check the following four items: Can the backend be logged in and is the administrator configuration complete; Can the main column page and article page of the front-end be opened, and whether the image attachments are displayed; Is the template rendering consistent with the original site, especially the list pagination and detail page; Are the search, message, comment entries that depend on the data table normal.

Add another time indicator: the time it takes to recover from an empty environment to an available site. This number determines whether the merge window can really roll back. If the recovery takes more than two hours, the window should reserve enough time, or optimize the steps in the exercise. Keep a record of the exercise results, noting the recovered sites, time taken, and projects that did not pass.

Three things to match during the switching phase

After the recovery drill is passed, there are still three things to be coordinated in the transition stage. The first is the 301 redirect from the old address to the new address, mapping each column and document one by one, don't just redirect the homepage.AnQiCMS has 301 redirect management, which can configure the mapping relationship into a rule set for maintenance, making it convenient to verify in batches after merging. The second is the site map reconstruction, the sitemap for the new domain needs to be regenerated and submitted, and the site map for the old domain should be retained accessible during the redirect生效 period, which is convenient for the crawling end to understand the migration relationship.The third is content verification, after merging, the same column names, duplicate tags, and anchor text pointing to old domain names should be checked one by one, especially the anchor text links of in-site keywords are particularly prone to retaining old addresses.

Common questions

Is it okay for multiple sites to share a single backup?

It is not recommended. Before merging, each site should have a separate backup with timestamp markers, so that when a problem occurs, it can be traced back to the specific site. After the merge is completed and has been stable for a period of time, then a unified multi-site backup can be created.

Is it safe to use production data for the drill?

The drill environment should be isolated from the public network, and do not expose the drill instances with backend entry. After recovery, change the administrator password first, and then open any external ports.

How long should the redirect rules be retained?

At least retain until the new domain is indexed and traffic is stable, usually calculated as one crawling cycle plus an observation period. During this period, the sitemap and robots configuration of the old domain should remain accessible, and the old domain should not be released prematurely.

What should I do when I find duplicate content between two sites during the merge?

First, move the duplicate documents into the recycle bin in one site instead of physically deleting them, to maintain recoverability; confirm that the new address redirection and sitemap are correct, and then decide whether to clean up. This recycle bin step gives the merged project a last chance to reconsider.

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