On Monday, December 14, almost the whole world was “banned from Google” for an hour. Most of the company’s services worked intermittently or did not work at all. Users experienced difficulty accessing email, YouTube video service, Google maps, documents, and other services.
The reason was announced in the evening of the same day, according to the Informant. “Google today experienced an authentication failure for 45 minutes due to internal storage quota problems,” the company said. Disk quota is a way of limiting the amount of disk space on a volume for use by each user.
Disk quotas allow you to proactively track and limit disk usage. To put it bluntly, the company had difficulties with the space allocated for user data. Google said it would conduct an investigation to prevent the failure from happening again.