Before upgrading the server, we created a disk image to ensure we could restore the system if anything went wrong.

Scientists simulated the climate of an Alderson disk to see how a star passing through its axial hole and the disk's immense mass, which could support its own atmosphere, would affect weather systems.

Many archivists worry that disk rot could render decades of digital recordings unreadable.

I set the parking disk on my dashboard before leaving the car.

The company invested in a redundant array of independent disks to ensure that critical data remained available even if a drive failed.

Many vintage laptops still include optical disk drives for reading CDs and DVDs.

The data center's fixed disk drives were upgraded to increase storage capacity.

The technician replaced the failing fixed disk drive to recover the customer's data.

Although most laptops no longer include an optical disk drive, some users still keep external burners for reading old DVDs.

The data center replaced several aged hard disk drives to improve storage reliability.