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HP c7000 enclosure was announced in June 2006. In 2007 there was a minor update including larger Onboard Administrator display (3 inches, up from 2 inches). The next update was in 2009 and brought RoHS compatibility, increased backplane speed (5Tbit/s, up from 4Tbit/s) and 1Gbit/s Onboard Administrator connectivity.
Fourth version – c7000 Platinum was announced in February 2013. It features location discovery services, thermal discovery services and redesigned backplane.
The new backplane increased aggregate bandwidth 40% from 5 to 7 Tbit/s to allow use newest high-speed interconnect modules (such as 16Gbit/s FC and 56Gbit/s FDR InfiniBand).
Also the new Platinum Plus rating power supplies were announced with higher efficiency than previous Gold Plus rating power supplies.
All versions of the enclosure occupy 10 rack units and can accommodate up to 16 half-height blade servers. It includes space for 6 power supplies (single-phase, three-phase or a −48V DC), 10 cooling fans, 8 single-wide (such as Gigabit Ethernet or FC) or 4 double-wide (such as 40Gb Ethernet or Infiniband) interconnect modules (that allows for up to 4 redundant interconnect fabrics)
There are a lot of questions about actual functionality of USB port at the bottom of the back of the enclosure. Looks like it is mostly for firmware maintenance and you can connect DVD drive to it and mount this DVD on the blade as well.
Here is useful YouTube video. Connect DVD USB to HP Blade Server - YouTube
Here are some posts that might be useful:
MAP Blade C3000 USB Port to Internal Blade 460c
BL460c in C7000 Enclosure - BIOS Update - Hewlett Packard Enterprise Community
Re: BL460c in C7000 Enclosure - BIOS Update ?
Adding USB hard disk to Blade enclosure, so it shows up on Virtual Machine How
19 Feb 2013
When Hewlett-Packard launched the BladeSystem blade enclosures nearly seven years ago alongside its "blade everything" strategy, no one but Google was doing custom, high-density machines and it looked like blade servers would be the corporate platform of choice. And so HP built the c7000 chassis, and its smaller "Shorty" c3000 sibling that followed it to market, for the long haul. But the advent of faster server and storage networking is putting a strain on the backplanes in the existing BladeSystem enclosures, and so HP's engineers went back to the drawing board and rejiggered that passive backplane to offer more bandwidth, thus positioning the c3000 and c7000 Platinum editions for another couple of years at the very least.
The new c3000 and c7000 blade enclosures, which are debuting at the HP Global Partner Conference in Las Vegas this week, can accept all of the blade, switching, and storage devices that their predecessors were designed to envelope. The new enclosures are also getting a new integrated switch that is really design to be paired with the new chassis, and HP is rolling out fast SmartMemory options on another blade as well as a new WS460c Gen8 workstation server blade designed specifically for virtualized workstations used in conjunction with VMware View or Citrix Systems XenDesktop.
Same server skins, different backplane wires
From the outside, you would be hard-pressed to tell the new c-Class enclosures from their predecessors, and to help you out, HP has painted a platinum stripe on the enclosure ears at the front of the unit that screw the blade house into a server rack.
The c7000s, new or old, support eight full-height blades or sixteen half-height blades in a 10U rack enclosure. There are also storage, GPU coprocessor, and workstation blades for the chassis in addition to compute blades.
The backplane in the chassis is a passive component and is basically a bunch of wires, so boosting its bandwidth is not as trivial as designing a new ASIC and cranking the clock speed as you can do with a switch, explains John Gromala, director of product marketing for the Industry Standard Servers and Software division inside of HP's Enterprise Servers, Storage, and Networking group. Gromala says you have to have electrical engineers do very clever things with wires and signaling to allow the chassis to accept more and faster signally.
In this case, the new c7000 Platinum chassis has a backplane that has 7Tb/sec of aggregate bandwidth, which is up from the 5Tb/sec of bandwidth in the original c7000 chassis. That 40 per cent increase in bandwidth allows the new c-Class Platinum enclosures to drive lots of 56Gb/sec FDR InfiniBand and 10Gb/sec and now 40Gb/sec Ethernet adapters that snap onto ProLiant and Integrity blade servers. (The backplane hooks the adapters on the blades to the integrated switches in the enclosure, virtualizing those links through VirtualConnect if you use HP's own switches.)
The new backplane is also sufficiently fat to drive lots of 16Gb/sec Fibre Channel adapters, which reach out of the server nodes to Fibre Channel switches that link to storage area networks.
The beauty for HP BladeSystem customers is that any existing blade server that has shipped since 2006 can slide into this enclosure - and thus take advantage of that extra bandwidth in the backplane. If it has mezzanine adapter options, it can actually drive faster server and storage networks. (And if not, at least the slower links on older blades won't hit network traffic congestion if other blades in the new enclosure are running at higher bandwidths.)
The BladeSystem c7000 Platinum edition chassis populated with blades
The new c7000 Platinum chassis also has a number of other features, including its own location discovery and thermal discovery services, which complements the similar services that were embedded in the ProLiant Gen8 servers and their control freakery a year ago. So now you can have the chassis as well as the blades.
The ProLiant Gen8 rack servers announced last year had power supplies rated at the Platinum Plus rating (94 power efficiency at 230 volts), and the new c7000 Platinum enclosure does as well to match it. The c7000 chassis has room for six 2,450 watt power supplies that all of the gear in the chassis sucks on, and Paul Birney, director of blade and cloud product marketing for the Industry Standard Servers and Software division, tells El Reg that these power supplies will command a slightly higher price over the 92 percent efficient Gold Plus power supplies the c7000 has been using up to date. Presumably these more efficient power supplies also plug into the old enclosures. (There is no physical reason why they should not, but there may be a marketing reason.)
Both c7000 enclosures have eight interconnect blades in the back for networking, and the new c7000 Platinum has a shiny new one called the SX1018HP Ethernet switch, which is actually made by Mellanox Technologies for HP. This baby, which is based on the Mellanox SwitchX ASIC, has 16 downlinks running at 40GE speeds that feed through the backplane to mezzanine controllers on the server nodes and eighteen QSFP+ uplink ports.
The SX1018HP 40GE switch for the BladeSystem c7000 Platinum chassis
Not only does the SX1018HP switch have lots of bandwidth, but at 230 nanoseconds for a port-to-port hop running at 40GE, it has five times the effective bandwidth and one quarter the latency of prior 10GE switches. (If you run it at 10GE speeds, the latency is 250 nanoseconds.) The SX1018HP switch will ship for the new c7000 chassis in March, and you can put up to two inside the chassis for redundancy. Pricing information was not available for the SX1018HP. It can be used in conjunction with the ProLiant Gen8 BL420c, BL460c, BL465c, and BL660c blades.
The new c7000 Platinum enclosure will be available later in February and has a list price of $4,999. Presumably this is a higher list price than the current plain vanilla c7000 chassis. It is not clear when the c3000 Platinum chassis, which is a 6U enclosure than can be mounted in a rack or tipped on its side and rolled into offices, will ship. But there will be a c3000 Platinum edition and it will support up to eight half-height or four full-height blades, just like the vanilla c3000.
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server hp proliant c7000 · alces-software-knowledgebase Wiki · GitHub
HPE BladeSystem c7000 Enclosure QuickSpecs at https://www.hpe.com/h20195/v2/GetPDF.aspx/c04128339.pdf
NOTE: The c7000 HPE c-Class enclosures have full backwards and forwards compatibility, existing server blades are supported in the new enclosures and any future server blades will be supported in the existing enclosures.
HPE BladeSystem c-Class Interconnect and Mezzanine Components at
HP BladeSystem - Wikipedia
HP BladeSystem c-Class architecture technology brief, 4th edition
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