"IBM has started shipping two 'big iron' high-end servers
pitched at the ebusiness market."
"The company has made available the next-generation IBM eServer
z900 mainframe and an enhanced version of the Shark enterprise
storage server. Both embrace open standards, with the z900 running
Linux and Shark connecting to multiple computing platforms as the
centrepiece of an open storage network."
Although described as 'not cheap' by some analysts, the servers,
and their predecessors, are regarded as perhaps the most
reliable in the world and "pretty much the only option" for
high-end ebusinesses such as banks or major ecommerce