![\"\"](\"http:\/\/tech-no.104.210.61.21.xip.io\/wp-content\/uploads\/sites\/4\/2011\/04\/dsc_0114-under-water.jpg\" "\\"dsc_0114-under-water\\"")
<\/a> GR Cooling<\/h1>\n(Green Revolution Cooling<\/a>) provides a rack utilizing a special Mineral Oil suspension used to cool the servers and other equipment that would normally be cooled using air. This is very promising technology that i believe will help drive costs down if implemented in the datacenter. According to GRCooling, this uses 95% less cooling power and 10 to 20% less server power due to internal cooling systems having no fans i guess. If you want to see a couple video’s and more pictures, please check out the site here: http:\/\/www.grcooling.com\/?page_id=655<\/a><\/p>\n The server sit suspended just below the surface of the fluid. and the fluid is pumped through a heat exchanger and recycled back into the cabinet. This supports Power densities to 100kW per rack with extreme CPU and GPU cooling potential are available.<\/p>\n The following benefits are gained with this technology”<\/p>\n The solution offers the potential to lower failures significantly in three ways:<\/p>\n The system will cool up to 100kW in a 42U rack in its current configuration.\u00a0 This is equivalent to an air-cooled system near 120kW since nearly 20kW of that 120kW would be used by server fans.\u00a0 The system offers orders of magnitude better convective cooling than an air-cooled system and thus can handle higher densities.<\/p>\n Also, full immersion of all components is unique to dielectric fluid submersion.\u00a0 Without full submersion, air is still the primary heat transfer medium and with it comes all of the\u00a0limitations\u00a0of air.\u00a0 For the rare CPU that is \u201cthermally coupled\u201d with a liquid, which entails a water-filled heat sink or equivalent, other components still require air cooling<\/p>\n <\/p>\n According to GRCooling they have partnered with STG (Signature Technology Group) to provide warranty on all servers and data center hardware housed in the system. I am guessing this means the manufacturer warranty is voided when used in these systems.<\/p>\n According to the manufacturer,Almost any OEM server can be used. Customers have installed 1Us (e.g. Dell 1950 & R410; HP DL 360; Verari; IBM x3550; and a few white boxes), 2Us (e.g. Dell 2950), Blades (e.g. Dell M1000e), and Trays (e.g. Dell c6100).<\/p>\n Hard drives require encapsulation, while solid state drives do not. What preparations or modifications to the servers\/ equipment are needed?\u00a0 First, our technicians remove server fans and put them aside for future use or reverse-modification at a later date. Then, each hard drive is encapsulated using GRC\u2019s proprietary hard drive sealing system. \u00a0Finally, the CPU thermal grease is replaced with a non-soluble foil.<\/p>\n <\/p>\n I ran across this today when researching a Citrix user profile issue, and thought i would post this up for others to enjoy. GR Cooling (Green Revolution Cooling) provides a rack utilizing a special Mineral Oil suspension used to cool the servers and other equipment that would normally be cooled using air. This is very …<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[],"_links":{"self":[{"href":"https:\/\/tech-no.org\/index.php?rest_route=\/wp\/v2\/posts\/241"}],"collection":[{"href":"https:\/\/tech-no.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tech-no.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tech-no.org\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/tech-no.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=241"}],"version-history":[{"count":3,"href":"https:\/\/tech-no.org\/index.php?rest_route=\/wp\/v2\/posts\/241\/revisions"}],"predecessor-version":[{"id":253,"href":"https:\/\/tech-no.org\/index.php?rest_route=\/wp\/v2\/posts\/241\/revisions\/253"}],"wp:attachment":[{"href":"https:\/\/tech-no.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tech-no.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tech-no.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Lower Server Failure Rates<\/h3>\n
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High Density<\/h3>\n
Why As a coolant, GreenDEF\u2122 is better than air:<\/h3>\n
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Server warranty when used in this system<\/h3>\n
<\/a><\/a><\/a><\/a><\/a><\/a><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"