mysqldump: Couldn't execute 'SHOW TRIGGERS LIKE 'Events'': Got error 28 from storage engine (1030)

Are you gettting this below error while taking backup?

mysqldump -u root -p --all-databases > db.sql

mysqldump: Couldn't execute 'SHOW TRIGGERS LIKE 'Events'': Got error 28 from storage engine (1030)

Solution:

Check your disk space its almost full so that it is showing the above error.

Clear your disk and take  dump again.