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Forum Replies Created
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Hi @guygentil
Email isn’t considered “remote storage” in UpdraftPlus, so that message is expected if you only select email — remote storage refers to services like Google Drive, Dropbox, S3, etc.
The
wp_mail_failederror means your site isn’t able to send emails using the default PHP mail function. Setting up an SMTP plugin (e.g. WP Mail SMTP) usually fixes this so the backup email can be sent.The download failure from WP admin is a separate issue, often caused by large files hitting server limits. You can either increase PHP execution time/memory limits or download the backup directly via FTP from
/wp-content/updraft/.Best Wishes,
BryleHi Dimitri,
Please check your retention settings under Settings → UpdraftPlus Backups → Settings → Retention and make sure the number of backups you want to keep is saved. Even if the settings look correct, it’s worth re-saving them. Since UpdraftPlus relies on WordPress cron, low-traffic sites may not trigger scheduled deletions reliably.
If issue persists, please send us a copy of the backup log.
Thanks,
BryleHi Dimitri,
Can you please send us a screenshot of the email notifications you are receiving?
You cannot attach a file here. You can use online tools like https://snipboard.io/Thanks,
BryleForum: Plugins
In reply to: [UpdraftPlus: WP Backup & Migration Plugin] Improve disk IO for backupsHi,
You’re absolutely right that backups can generate enormous disk I/O due to what’s called “write amplification.” As you’ve noticed, creating a 400 MB ZIP can result in several gigabytes of actual disk writes—a lot more than you’d expect.
To reduce this impact, you can lower the split archive size in the Expert Settings of UpdraftPlus. Reducing it from the default (e.g. 400 MB) to something like 50–100 MB will significantly cut down on write-amplification and improve backup performance.
Additionally, running backups during low-traffic periods—such as overnight—helps both performance and reliability, especially if your hosting resource availability fluctuates during the day.
Best Regards,
BryleHi,
Thanks for sharing the log and screenshot.
From the log, it looks like the backup process is stalling before it can finish uploading to Dropbox. Please try reducing the split archive size in UpdraftPlus > Settings to 200 MB so the backup completes in smaller chunks, and also temporarily deactivate any caching or optimization plugins while testing the backup.
After making these changes, try running a fresh manual backup and let us know if it completes successfully.
Best,
BryleHi @rptrevor
Thanks for reaching out.
You’re absolutely right — the free version of UpdraftPlus does not back up WordPress core files such as:
wp-admin/wp-includes/- Root files
Because of that, restoring to a previous WordPress version (like 6.0.2) using UpdraftPlus alone won’t fully downgrade your site. If core files have already been updated (e.g., to 6.8.2), that mismatch can cause errors or partial restores — which seems to be what you experienced.
If your goal is to return fully to WordPress 6.0.2, we suggest the following steps:
- Replace Core Files Manually
Via FTP, replace thewp-adminandwp-includesfolders with the versions from the official 6.0.2 WordPress release.
Important: Don’t touchwp-contentorwp-config.php. - Restore the Database
If your backup includes a database made while on WP 6.0.2, restore it using UpdraftPlus or phpMyAdmin. - Restore Plugins and Themes
Use UpdraftPlus to restore just the plugins and themes (if included in the backup set). - Test the Site and make sure everything is working as expected under WP 6.0.2.
Thanks,
BryleHi @ahawtin
hanks for the update and for the kind words!
It does sound like the scheduled deletion task (part of the WordPress cron system) isn’t being reliably triggered on those two sites. Since you mentioned they don’t get much traffic, it’s possible that the
wp-cron.phpisn’t firing consistently — WordPress only triggers scheduled tasks when the site is visited.Your approach of adding a real cron job to call
wp-cron.phpis a good one and should help. Additionally, you might consider signing up for a free uptime monitoring service like UptimeRobot, Pingdom, or EasyCron to simulate regular site visits and keep scheduled tasks running more smoothly.Best regards,
BryleHi Leandro,
Thanks for the update!
Please try running a new backup now with the current server settings.
If it still fails, try running another backup but this time exclude the “Uploads” component (you can do this by unchecking it before starting the backup). This component typically makes up about 80% of the site’s total size, so excluding it can help us narrow down the issue.
Let us know how it goes so we can assist you further.
Best regards,
BryleForum: Plugins
In reply to: [UpdraftPlus: WP Backup & Migration Plugin] Double Backup BugHi,
Thanks for reaching out and for the screenshot.
Could you kindly send us a copy of both backup logs shown in the UpdraftPlus backups tab? You can download them by clicking the “View Log” link next to each backup.
Also, please check via FTP or your hosting file manager if there are really two sets of backups in your /wp-content/updraft/ folder. This will help us confirm if it’s just a display issue in the UI or if duplicate backups were actually created.
Looking forward to your reply so we can investigate further.
Best regards,
BryleHi Guy,
Thanks for sharing the log.
Log shows:
8768.887 (7) [Warning] Votre site est peu visité et UpdraftPlus ne reçoit pas les ressources escomptées. Veuillez lire cette page : https://updraftplus.com/faqs/why-am-i-getting-warnings-about-my-site-not-having-enough-visitors/The warning message indicates that your site may not be receiving enough regular visits, which can affect how scheduled backups run. UpdraftPlus relies on site activity to trigger scheduled tasks.
Please refer to this article for more information and suggested solutions:
Why am I getting warnings about my site not having enough visitors?Let us know if you have any questions.
Thanks,
BryleThanks for sharing the details and the log.
UpdraftPlus relies heavily on your server’s available resources to run backups smoothly. Based on the log and error, we recommend the following:
- Increase the
max_execution_time - Increase your site’s memory limit
- Raise the I/O limit if possible
These adjustments should help prevent timeouts and allow the backup to complete successfully. You may need to ask your hosting provider to assist with making these changes.
Best Wishes,
BryleForum: Plugins
In reply to: [UpdraftPlus: WP Backup & Migration Plugin] Won’t do initial backupHi @danakaplan7
Glad to hear you got the backup working!
UpdraftPlus doesn’t support automatic backups directly to your computer. Instead, we recommend setting up a remote storage option (like Google Drive, Dropbox, OneDrive, etc.) where backups can be sent automatically each week. From there, you can download the backups to your computer anytime you need.
Here’s a guide on how to set up remote storage:
https://updraftplus.com/faqs/how-do-i-connect-to-my-remote-storage/Best Wishes,
BryleHi @tricktrommler,
The log shows “0149.891 () PHP event: code E_WARNING: fopen(/mnt/web502/a0/27/510385227/htdocs/STRATO-apps/wordpress_59/app/wp-content/upgrade/cda04264/plugins/wp-rocket/inc/Engine/Optimization/AdminServiceProvider.php): Failed to open stream: Disk quota exceeded (line 66, wp-admin/includes/class-wp-filesystem-direct.php)”
Please check and make sure you have more than enough space on your server to allow the restoration to complete.Also, please note that the free version only works if you restore on the same domain URL.
Thanks,
BryleForum: Plugins
In reply to: [UpdraftPlus: WP Backup & Migration Plugin] Backup non funzionanteHi,
Please let us know how it goes.
Best Wishes,
BryleHi Leandro,
Could you try to reduce the backup archive split size. This will split the backup into smaller, more manageable files.
To do this, open the ‘expert settings’ section of the UpdraftPlus Settings tab, and find the ‘split backups every’ option. Set this to 25Mb save your settings and run a new process.Regards,
Bryle