How should a segment my servers into VLAN's in a datacenter design

I am designing a data center with over 200 servers and I am trying to decide how to segment my data center into VLAN's. I have thought about putting all servers in a different vlan to guard agaist broadcast storms and also a failure that might effect the vlan as a whole. I know I can use storm control to limit broadcast storms.
Another thought is to put all Windows servers into one Vlan and all UNIX into another.
Another thought is to group the servers into VLAN's by the applilcations they support.
Can anyone tell me how they do this in a large data center and if any the pros and cons to doing it that way.

As stated you're going to need at minimum two 4000s. Since there are 200+ servers in this you may want to go with the 6000s. Obviously you'll need to do layer 3 and have a couple GigE trunks between those two switches to handle any cross switch traffic. Since you have so much riding in this data center you're going to want some horsepower at your gateway. Maybe look into redundant 3700's and use HSRP. Is this a design for a colo type data center or is it all internal servers to your company? I guess if it was the former I would split it out by *NIX / Win, and keep each VLAN down to a /29 and put 4-5 servers in each. This way, if you do have a problem it is segmented relatively well. There are so many variables, it's hard to say with just a few lines to go off of.
Check out the Cisco Reference Designs here:
http://www.cisco.com/warp/public/779/largeent/it/ese/srnd.html
Good luck!!!

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I wanted to load excel file with csv extension(named as trial.csv) into
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I am getting the following error,how should I rectify this?
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ID NUMBER(5)
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BADFILE 'trial.bad'
DISCARDFILE 'trial.dsc'
APPEND
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FIELDS TERMINATED BY "," OPTIONALLY ENCLOSED BY '"'
TRAILING NULLCOLS
(ID POSITION(1:5) INTEGER EXTERNAL(5)
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DNAME POSITION(6:25) CHAR
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Load completed - logical record count 21.
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Column Name Position Len Term Encl Datatype
ID           1:5 5 , O(") CHARACTER
NULL if ID = BLANKS
DNAME 6:25 20 , O(") CHARACTER
NULL if DNAME = BLANKS
Record 1: Rejected - Error on table DEPT, column ID.
ORA-01722: invalid number
Record 21: Rejected - Error on table DEPT, column ID.
ORA-01722: invalid number
Table DEPT:
0 Rows successfully loaded.
21 Rows not loaded due to data errors.
0 Rows not loaded because all WHEN clauses were failed.
0 Rows not loaded because all fields were null.
Bind array size not used in direct path.
Column array rows : 5000
Stream buffer bytes: 256000
Read buffer bytes: 1048576
Total logical records skipped: 0
Total logical records read: 21
Total logical records rejected: 21
Total logical records discarded: 0
Total stream buffers loaded by SQL*Loader main thread: 0
Total stream buffers loaded by SQL*Loader load thread: 0
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by
balamuralikrishnan.s

Hi everyone!
The following are the steps to load a excell sheet to oracle table.i tried to be as simple as possible.
thanks
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: controlfile.ctl
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sqlldr userid=scott/tiger@abc control=e:\controlfile.ctl log=e:\logfile.log
Message was edited by:
user578762

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