The cloud has failed roughly 150,000 Gmail users, whose e-mails have been deleted and accounts disabled by a mysterious glitch.

Users on Google's help forum report that the Gmail bug responsible deletes everything, including e-mails, labels, folders, and settings. When affected users log on, they see a welcome message as if they've never used Gmail before. Other users simply found their accounts disabled while repairs are being done. According to Mashable, the bug affects less than 0.08 percent of users.

It's not yet clear whether Google will be able to restore the deleted e-mails. Google hasn't addressed the issue on the official Gmail blog, and the Google Apps Status Dashboard only acknowledges an ongoing "service disruption." Eventually, Google will have to explain how this happened and what will become of affected users' accounts.

For everyone else, the lost e-mails are a reminder of how Web storage isn't completely immune to failure. If you rely on Gmail to safeguard e-mailed documents and important correspondences, consider backing up your account.

Backup Advice

PCWorld's Ian Harac reviewed Gmail Backup in December and found it to be a functional, but feature-barren option. The software is free, but right now I can't access Gmail Backup's Website. (Perhaps it's overwhelmed by demand.) 

The lost e-mails are reminiscent of a Hotmail server problem that temporarily deleted the e-mails of more than 17,000 users in December. Microsoft was able to restore access a few days later, so maybe there's hope for those unlucky Gmail users.