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Leofcwen (1371173) writes "I have recently begun studying RAID and soon came across RAIN courtesy of Wikipedia. The most obvious thing that struck me about RAIN is that it is much less dense than RAID and so to achieve the same level of storage one would need to make use of an awful lot more servers which even at 1U would take up a lot of space. Am I missing the point here or does keeping ones storage systems as dense as possible make it more efficient in terms of space and presumably power which in terms means lower carbon emissions? Does the processor power in the RAIN boxes mean one doesn't need separate servers for general processing? Who here has experience with both and what did you think about each one? Are there any open source software systems to run each system and if so, how do they compare with their commercial counterparts?
Leofcwen (1371173) writes "Is there anywhere on the net that provides on-line interpreters to allow one to study (and practice) languages such as Python without having to install it on ones own system? If there were such a place one could practice it whilst at work (during breaks of course:P) It is easy with client-side technologies such as HTML and CSS as one needs only a browser but for server-side technologies or other languages it becomes harder. Also, there are people who do not have a computer of their own and use machines at places like libraries where one is not allowed to install other packages so such a site would be invaluable.