Start Netapp updating drive firmware

Netapp updating drive firmware

Flash memory has a growing share of the market for secondary storage, in the form of solid-state drives (SSDs).

Performance is specified by the time required to move the heads to a track or cylinder (average access time) plus the time it takes for the desired sector to move under the head (average latency, which is a function of the physical rotational speed in revolutions per minute), and finally the speed at which the data is transmitted (data rate).

The two most common form factors for modern HDDs are 3.5-inch, for desktop computers, and 2.5-inch, primarily for laptops.

Data is accessed in a random-access manner, meaning that individual blocks of data can be stored or retrieved in any order and not only sequentially.

HDDs are a type of non-volatile storage, retaining stored data even when powered off.

Capacity is specified in unit prefixes corresponding to powers of 1000: a 1-terabyte (TB) drive has a capacity of 1,000 gigabytes (GB; where 1 gigabyte = 1 billion bytes).

Typically, some of an HDD's capacity is unavailable to the user because it is used by the file system and the computer operating system, and possibly inbuilt redundancy for error correction and recovery.

HDDs became the dominant secondary storage device for general-purpose computers by the early 1960s.

Continuously improved, HDDs have maintained this position into the modern era of servers and personal computers.

The first IBM drive, the 350 RAMAC in 1956, was approximately the size of two medium-sized refrigerators and stored five million six-bit characters (3.75 megabytes), the 1301 used an array of heads, one per platter, moving as a single unit.

Cylinder-mode read/write operations were supported, and the heads flew about 250 micro-inches (about 6 µm) above the platter surface.

I got an authentication error, so I tried the same thing in Windows 7 and it works.