2U indicates a case that occupies two spaces in a rack.
The 2U and 4U are about the same size -- 2U occupies two complete adjacent rows, while the 4U occupies four rows at half-width.
A typical 2U rack is approximately 3.5 inches in height. A standard DVD is 0.047 inches. With that being said, you could fit approximately 74 standard sized dvds without the case in a 2U rack. On the other hand, a standard DVD case is approximately half an inch thick. This would mean in a typical 2U rack, you could fit 7 dvds in the case.
Rack mount server dimensions are specified by a 'U' value. The larger the 'U' value, the larger the size of the rack mount server. The 'U' only only specifies the standard width and length, with the depth being a variable. So, the '2U' has a standard dimenson of 19"x3.5". The common depths for the '2U' are 17.7, 20.9, or 24". The 2u stands for 2 units, as in it's 2 units tall. Rack mount servers come in varieties from 1 unit tall to 4 units tall.
rack space refers to how many slots the server ocupies in a rack, eg 1U 2U--the U representing 1 slot.
what is the difference between a server physical case and a client case
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instead of searching in case of universal server we can use the server in case of a.s.p which the acess time is less
2u + 1 = 5u + 5 2u - 5u = 5 - 1 -3u = 4 3u = -4 u = -4/3
Do you mean: u² + 2u + 1 - v²? If so then= (u + 1)2 - v2= [(u + 1) + v][(u + 1) - v]= (u + 1 + v)(u + 1 - v)
Sure you can... whether or not its illegal is a different story though.
What is (the name?) (of) a secondary server (who) takes over in case of primary server failure? That would be a BDC. A Backup Domain Controller.
Here are some different 2U rack mounts you can buy: http://www.rackmountmart.com/html/2UTable.htm .