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I am not only a server, it is a complete system

2018-01-25 16:31:50

mention my name: Cisco UCS, may be in the mind of most people or the picture --

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fuselage light, concise, sweep room messy wires.But!In addition to a strong appearance, I the same rich connotation -- actually, I am not a server, but also a complete system.,

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sounds is not easy to understand, I'll tell you a case: a

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enterprises have 2 application system, one is Oracle RAC, one is the OA.

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oracle RAC run on 2 servers, with high-end store, I home network is a private network database;

OA run on 3 server, using the E's home is stored in the end, the network is OA network.Have been set up in

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2 network ACL, configure the firewall;Storage network are also using the C storage switch, and configure the WWPN as members of the zoning (these deployment in accordance with industry best practice).

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in order to facilitate everybody understanding, I also drawn (hun) norm of architecture diagram (luan) :

look is very (hen) pro (tou) cut (da)?

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now the problem comes, we find that the database processing ability is insufficient, you need to add a server, how to do?

by whole server from the 3 server of OA lend database: a

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first of all, the OA server shutdown, unplug all cables and wires to access the database of the network and storage.This means: remove the original 2 fiber cable + 2 line;Insert a new article 2 cable + 2 optical fiber line.

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SAN switches on database configuration zoning, join ACL entries on the network switch, and then planning LUN mapping.It's not all!

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, however, these processes need at least 1 day, and the database processing peak had already past...

2 layout cisco UCS

10 minutes, not moving any cable, high efficiency and reduce error may!Yes, what you need is me - Cisco UCS, points minutes to complete complex needs!

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to ask how I do it?

physical architecture dependent on my "advantage" - appears in the first moment, UCS will calculation, network and storage as a whole, the architecture from the original separated into integration.Server again more, also simply by Unified Fabric access networks and storage.,

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software level I have "stateless computing" -- to make this framework to run, but also solve the problem of software level, to achieve the data center of the height of the so-called "software defined calculation"!The UCS is mentioned as a whole of the second innovation point: a stateless computing!

stateless computing server inside the physical parameters and the uniqueness of the server hardware itself out of the relationship as a configuration file being alone.That is to say: when using server, need to modify the configuration file, regulations to several network card, network card MAC address and HBA WWPN can card machine, the configuration file "attached" in any server hardware, the server can be put into use!

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I have finished this paper theoretically, now back to the original question, practice, I is how to realize the "borrow" the complex requirements?In fact Easy, as long as the following steps: all 5,

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    server access Unified Fabric, is commonly known as the "exchange matrix";

    to create three Oracle configuration file, good regulation network can access to the database network switches to a specific port;Access to the database storage can go SAN switches to a specific port, the establishment of a SAN Boot startup sequence.Similarly create three OA configuration file;

    will be 3 Oracle RAC configuration file "attached" to 3 server, the database network switch configuration in the ACL, the database configuration zonging SAN switches.In the I home partition boot LUN LUN and data storage, OS installation, installation database.Get a 3 after the completion of Oracle RAC node;

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    of them any one server shutdown, "profile" on the take. Set aside.At this time there are two Oracle RAC and 3 "stateless server";

    will OA three configuration file "attached" to the rest of the three servers, also configure an ACL, zoning, boot LUN LUN and data, install the OS and OA software;

    to complete!At this point, you have two sets of Oracle RAC server, three OA server, access to their own network and storage, began to normal work;If Oracle RAC need "temporary" use a server, as long as will take away any OA server configuration file, to spare the Oracle configuration file "attached" on them.Server restart, can reproduce the scene of step 3, realize 3 Oracle RAC node.Of course, you can borrow server to "temporary", implement the fourth Oracle RAC node;

    if you want to return the server, as long as the first six steps against the do it again.The whole process,

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without between around ran on the server, without having to plug a cable, as long as the network could be accessed, and even can deal with the emergency at home!How about

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after my report, now understand that "Cisco UCS server is not just, it is a complete system" the mystery!

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