Disk drives are the foundation of modern data storage, but operating systems cannot use physical storage directly. The platters, heads, tracks and sectors of a physical drive must be translated into a ...

The logical unit number (LUN) has been a bedrock concept in storage for decades. It’s the fundamental “soft” way in which physical media is partitioned in block access storage. But recent times have ...

At one point in time, when you wanted to attach an external block storage device to a server, you mapped it as a Logical Unit (LU) across a Storage Area Network (SAN). In the early days, you would do ...

I have long been a proponent of virtualizing everything and at every level in the storage space. Whether at the host, network or storage level, I too often see nothing but blue skies and fields of ...

Apple has released an update to its Xsan software, to version 2.1. The update is available for download from Apple’s Web site, and is recommended for all Xsan 2 users. Xsan is Apple’s ...

The term hard drive refers to the actual storage medium — either in the classic sense with rotating magnetic discs (HDD) or as a modern SSD with flash memory. The term drive refers to the electronics ...