# A file does not exist error occurred during database backup **URL:** https://meta.discourse.org/t/a-file-does-not-exist-error-occurred-during-database-backup/373471 **Category:** Support **Tags:** backups **Created:** [July 9, 2025, 2:08am UTC](https://meta.discourse.org/t/a-file-does-not-exist-error-occurred-during-database-backup/373471 "2025-07-09T02:08:32Z") **Posts on this page:** 1 **Showing post:** 1
### Author: ![jlcoo](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/jlcoo/32/386427_2.png) [@jlcoo](https://meta.discourse.org/u/jlcoo) #### Post date: [July 9, 2025, 2:08am UTC](https://meta.discourse.org/t/a-file-does-not-exist-error-occurred-during-database-backup/373471/1 "2025-07-09T02:08:32Z")
When the administrator manually backs up, the error “EXCEPTION: No such file or directory @ rb\_io\_flush\_raw - ” appears, but I don’t know why this exception occurs. Can experts from Discourse help me? ```plaintext [2025-07-09 01:37:48] 'jl-brother1' has started the backup! [2025-07-09 01:37:48] Marking backup as running... [2025-07-09 01:37:48] Making sure '/var/www/discourse/tmp/backups/default/2025-07-09-013748' exists... [2025-07-09 01:37:48] Making sure '/var/www/discourse/public/backups/default' exists... [2025-07-09 01:37:48] Updating metadata... [2025-07-09 01:37:48] Dumping the public schema of the database... [2025-07-09 01:37:48] EXCEPTION: No such file or directory @ rb_io_flush_raw - [2025-07-09 01:37:48] /var/www/discourse/lib/backup_restore/backuper.rb:160:in `popen' /var/www/discourse/lib/backup_restore/backuper.rb:160:in `dump_public_schema' /var/www/discourse/lib/backup_restore/backuper.rb:36:in `run' /var/www/discourse/script/spawn_backup_restore.rb:9:in `backup' /var/www/discourse/script/spawn_backup_restore.rb:31:in `block in
' /var/www/discourse/script/spawn_backup_restore.rb:4:in `fork' /var/www/discourse/script/spawn_backup_restore.rb:4:in `
' [2025-07-09 01:37:48] Deleting old backups... [2025-07-09 01:37:48] Cleaning stuff up... [2025-07-09 01:37:48] Removing '.tar' leftovers... [2025-07-09 01:37:48] Marking backup as finished... [2025-07-09 01:37:48] Notifying 'jl-brother1' of the end of the backup... [2025-07-09 01:37:53] Finished! ``` --- _[View the full topic](https://meta.discourse.org/t/a-file-does-not-exist-error-occurred-during-database-backup/373471)._