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• VMFS UUID to mapping LUN number on vSphere

  Hello.

  I tried to find an easy way to map the VMFS UUID associated with a particular logic unit number, like the command esxcf-vmhbadevs - m on ESX 3.5. I noticed that, now that I've started using vSphere the equivalent command to what I was looking for, esxcfg-scsidevs - m, shows the mapping with the standard format of the T10 SCSI addresses:

  $ esxcfg-scsidevs - m

  NAA.50014ee201f892d3:6/dev/sda6 49004c 42-58df2efc-CBCA-001ec9fda71b 0 esx14_local_storage1

  NAA.50014ee2574e1d39:1/dev/sdb1 49004c 67-a56b8e58-d5e8-001ec9fda71b 0 esx14_local_storage2

  4ac66699-86d6eaaa-ec5d-001ec9ab75fb 0 T10.9454450000000000000000007900000064530000E0000000:1/dev/sdd1 winxp-lvm

  test/dev/sde1 T10.945445000000000000000000C8000000D0610000E0000000:1 4ad4f1aa-d4061fd2-7135-001ec9fda71b 0

  So if I want to get the LUN number for one of the volumes of data I have to run another command to map the T10 with the LUN ID. As esxcfg-mpath - m or get it from vml link virtual multichannel in this way on the service console:

  $ ls-l | grep vml

  lrwxrwxrwx 1 root root 52 Oct 13 15:45 vml.01008c000020202020564952545541 - & gt; T10.945445000000000000000000C8000000D0610000E0000000

  lrwxrwxrwx 1 root root 54 Oct 13 15:45 vml.01008c000020202020564952545541:1 - & gt; T10.945445000000000000000000C8000000D0610000E0000000:1

  lrwxrwxrwx 1 root root 52 Oct 13 15:45 vml.010097000020202020564952545541 - & gt; T10.9454450000000000000000007900000064530000E0000000

  lrwxrwxrwx 1 root root 54 Oct 13 15:45 vml.010097000020202020564952545541:1 - & gt; T10.9454450000000000000000007900000064530000E0000000:1

  lrwxrwxrwx 1 root root 20 Oct 13 15:45 vml.020000000050014ee201f892d3574443205744 - & gt; NAA.50014ee201f892d3

  lrwxrwxrwx 1 root root 22 Oct 13 15:45 vml.020000000050014ee201f892d3574443205744:1 - & gt; NAA.50014ee201f892d3:1

  lrwxrwxrwx 1 root root 22 Oct 13 15:45 vml.020000000050014ee201f892d3574443205744:4 - & gt; NAA.50014ee201f892d3:4

  lrwxrwxrwx 1 root root 22 Oct 13 15:45 vml.020000000050014ee201f892d3574443205744:5 - & gt; NAA.50014ee201f892d3:5

  lrwxrwxrwx 1 root root 22 Oct 13 15:45 vml.020000000050014ee201f892d3574443205744:6 - & gt; NAA.50014ee201f892d3:6

  lrwxrwxrwx 1 root root 22 Oct 13 15:45 vml.020000000050014ee201f892d3574443205744:7 - & gt; NAA.50014ee201f892d3:7

  lrwxrwxrwx 1 root root 22 Oct 13 15:45 vml.020000000050014ee201f892d3574443205744:8 - & gt; NAA.50014ee201f892d3:8

  lrwxrwxrwx 1 root root 22 Oct 13 15:45 vml.020000000050014ee201f892d3574443205744:9 - & gt; NAA.50014ee201f892d3:9

  lrwxrwxrwx 1 root root 20 Oct 13 15:45 vml.020000000050014ee2574e1d39574443205744 - & gt; NAA.50014ee2574e1d39

  lrwxrwxrwx 1 root root 22 Oct 13 15:45 vml.020000000050014ee2574e1d39574443205744:1 - & gt; NAA.50014ee2574e1d39:1

  7-10 bytes representing the LUN ID in hexadecimal on vml chain it was possible to get the serial number of T10.

  However, does anyone know how to decode the string T10 and get directly to the LUN ID him? I also noticed that the T10 string contains the LUN number in 29-30 bytes, but bytes are reversed; so it can be assumed, there is a way to do it.

  Any help is appreciated.

  Juan Aristizabal.

  Each seller encodes the serial no and the MONDAY in their series T10 numbers differently.  3Par is quite clearly (no weird math needed), Hitachi is a hexadecimal encoding, and EMC made a horrible mess of ASCII-> HEX-> BINARY-> HEX encoding.

  You must ask your seller to chart how they do.

  -Matt

  VCP, vExpert, Unix Geek

• "Read binary file" in hex format?

  Is there a way I can set the data type of the function "Binary file reading" so he came out in Hex format?

  Front panel.  Right-click.   Display format.

• How to convert a 32-bit binary number or Hex

  Anyone know if LabWindow CVI has a function to convert a number: integer, real, double (can be negative), binary and HEXADECIMAL? Or an example of code to perform this operation. Thank you

  Dear AI S,.

  Thanks for your info. It will work.

• convert hex number to binary number table

  Hello

  I need to convert hexadecimal number in binary number table.

  Can someone show me how?

  For example,.

  NUM1 = 0xFA

  I need to put in binary table,

  0 1 2 3 4 5 6 7 index

  value (LSB) 0 1 0 1 1 1 1 1 (MSB)

  Thank you.

  Guru,

  You generate a string instead of a number array array as the op asked and your table is backwards.

  What srikrishnaNF and smercurio_fc are descibing is this simple code.

  

• Convert data from text file to display for hex UDP transmission controls

  Hello

  I'm reading packets ethernet from a text file containing the actual hex data packets to then send these accurate return through a writing UDP hex data. I can't understand how to feed data into the function of writing UDP as real rather than characters ASCII hex data, as it does by default. I had the screen on the last VI before the writing of the UDP to "hexadecimal display mode" and if I manually type the hexadecimal values in the VI (hexadecimal string to binary String.vi - attached), then it passes the commands correctly. However,... when I fed the string of text in my text file data in this VI, it seems to be the substitution of this hexadecimal display on the VI input mode and the resulting entry in my UDP is still ASCII character mode. I tried to use a cast inside this VI, type... but that doesn't seem to work right. I have attached the main VI and VI which tries to prepare data before reading the UDP protocol. I've also attached an example of text file of data that I am an attempt of analysis.

  Any help would be appreciated,

  Thank you

  Hi jsrocket,

  the attached example should work as a transformation.

  Mike

• Strange binary file write behavior

  Something a little strange when I try to write data to a binary file. I have reproduced the issue in the StrangeBinaryFileBehaviour.vi which is attached below.

  I simply write two bytes in a binary file and yet my hex editor/Viewer tells me I have 6 bytes of data, a screenie of the discharge of the binary hexadecimal editor is also attached

  Maybe that I lose the plot and I'm missing something, forgive it is late on a Friday

  Stroke

  Wire a FAKE to the Terminal "prepend array or string size...? The default value is TRUE, so that you get extra bytes, depending on what it is to wire.

  For a 1 d array, you would get 4 extra bytes to the size of the array (I32) and tha of what you see.

• Binary read incorrectly

  Hello

  I did a vi to read a tiff file as binary.

  But I found that the total number of bytes read by my vi alwas missing 15 bytes.

  I checked the total number of bytes with another Binary Editor (for example, hex fiend and 0xOD).

  Anyone know why this problem occurs?

  I have attached my vi and the tiff image I tried to read it.

  Xiang00 wrote:

  Hello

  I did a vi to read a tiff file as binary.

  But I found that the total number of bytes read by my vi alwas missing 15 bytes.

  I checked the total number of bytes with another Binary Editor (for example, hex fiend and 0xOD).

  Anyone know why this problem occurs?

  I have attached my vi and the tiff image I tried to read it.

  You have a tiff file you should not interpret as a text file to count the number of bytes. You're probably losing bytes in the ASCII conversion). Use Get Size.vi file (from file IO - range of advanced functions of file) to get the total number of bytes or Binary File.vi reading (set the entrance of count-1 to read all bytes) and connect a constant U8 on the type of input data to count the number of bytes in the vi you posted (using the size of the array).

  Ben64

• Conversion of binary and incoming data on a table

  So I try to do 2 things:

  1 generate a random number, convert it to hexadecimal format and display it on a table.

  2 convert the binary hexadecimal format and display on a table as well

  Just started using labview so my diagram is probably completely wrong

  Look at the Format function in the chain.  You can set all kinds of formatting rules.  %x is going to take a number and format it in a Hex string.  %b is going to take a number and shaped in a binary string.  You want to use the build array function to write to your table.

• Binary 8-bit digital conversion to a string of bytes 1

  Hello..

  I want to convert a binary number to 8 bits for hex string.

  Examples;

  binary - 00000000-> 00 (Hex)

  binary - 11110000-> F0 (Hex)

  binary - 01110000-> 70 (Hex)

  And the STRING of the hexagon is 1 byte.

  I tried but its not showing the exact as string above.

  Help, please.

  I have attached the VI.

  Hi Pascal,.

  Cannot open your VI here, but your question translates this excerpt:

  

• best method to transmit the PPM (servo control) in series-wireless transmitter? (how to combine binary + whole in a single series byte)

  I'm pulling my hair out here... I hope someone can help to guide me in the right direction.  I'm just learning binary and hex, so please forgive me (and correct me!) if I say something wrong.  I have to give credit when it is deserved, because I use info from a post on theautochannel.com to drive this development.

  I try to control a small indoor RC helicopter using LabVIEW and a USB joystick.  I communicate with a transmitter wireless via rs232 (TTL converted), the Protocol is 125000, 8n1. Each image is 14 bytes 2 bytes of header.  I would like to transmit data PPM (pulse position modulation) which is actually just a 10bits (1024 possible measures) range that dictates the position of the servo, for each channel.

  Byte 3 & 4 are channel 1, byte 5 and 6 are channels 2, 7 & 8 CH 3,... and so on until the bytes 13 & 14 which is CH 6.

  Each pair of bytes begins with "00" (binary).

  Byte 3 & 4 should look like "00 00 00 xx xx xx xx xx", where the first "00" is the header, then "00 00" is the identifier of the servo, and 'xx xx xx xx xx' represents the position of the servo. The identifier is actually integrated in the position of the servo, the bits serve a double purpose.

  That's why it all will look like this:

  CH 01:00 00 00 xx xx xx xx xx (position has a valid range from 0 - 1023)

  CH 02:00 00 01 xx xx xx xx xx (range 1024-2047)

  CH 03:00 00 10 xx xx xx xx xx (range 2048-3071)

  etc... If you convert the binary range, you can see how the second half of the bits ID servo are provided by the range of servo.

  I intend by entry VISA to send every byte to constitute the entire frame, and then I will pause ~ 10ms between frames. However, my question is how the hell should I code this? !!  I think I need to write, take 1 CH for example, bytes 3 and 4 together into a string and then split them back hand to be sent as two distinct bytes.  However, I do not know how to mix my header and the first two bits of my ID servo, which is binary '00 xx', with my servo position (which I know I can write in decimal form, as entry VISA will convert it in binary). Any thoughts on the best way to do so, given all this?

  An empty string character likens to a binary "0"?

  Has totally confused everyone?  I really hope not, but I'm pretty tired so let me know if I need to simplify my question.  I hope someone can enlighten me as to the best way to combine the binary constant w modification of decimals (or hex).  And if anyone has thoughts about a good way to organize my vi together, I understand that too!  Right now I'll just use the structures of sequence... I post my code but at the moment, there is not much to look at

  Thank you very much!!

  No, you do not confuse everyone, but I think you might have confused yourself.

  You basically need to do is to create the array of bytes that will be sent, and then use the array of bytes to a string, so you can send it to the serial port. The creation of the byte array can be done in several ways. You deal with 6 16-bit numbers, of which the lower 10 bits are the values of the position of the servo. I don't know what you want on the front panel to look like, but if you have 6 separate (one for each servo) controls with each set having a range of 0 to 1023 (for 10-bit), then you just have to OR each value based on the number of servo. Put all this in a table, add the bytes of the header and the array of bytes to a string allows to get a string that you can send via the serial port. You can also do this in a loop. Joined a VI to show the two concepts. You have not indicated what version of LabVIEW, is 8.2 you use.

• How to detect the Null characters in a binary string

  In my application, I send around real binary data in the strings and the flattened data structures and sometimes I'm in the null string. I was wonder if there is a way to NULL dectet characters in a string. Thanks for your help.

  Josh

  Josh,

  A null character is 00 hex.  If you use the match pattern and search of a null string, it must find.  To enter a null control set or the constant to '-' Codes view and type 00.

  Another way is to convert the string to an array of U8 and search in the table to 0.

  Lynn

• How to pass data to LabVIEW teststand Hex

  Hello

  Is it possible to pass data Hex Teststand to a LabView VI.

  In the column 'Type' of the Module tab on the stage, I only have the options "ASCII" or "binary string".

  What I need to change my VI to take the hex data, or can I change the Type of TestStand so that I can enter the Hex data

  When I enter the Hex data directly in the VI, it works fine.

  Thank you

  Sound advice from Omar! If you decide to follow this method, here's a useful KB...

  How to convert between hexadecimal and ASCII in LabVIEW

  http://digital.NI.com/public.nsf/allkb/894CF5FE064971BF8625758400014993?OpenDocument

• How to parse a binary string

  Hi people,

  I read a binary string to a Sonic anemometer of campbell. It is transmitted via RS 232 9600 baud. The problem is the following:

  I read the entry stamp from time to time (all 300 ms). The outpit of the sonic is much faster (every 30ms). There is only a certain amount of stored bytes I've read. To get a correct value, I find 2-byte endpoint AA HEX and HEX 55. A complete sentence consists of 12 bytes 10 bytes each endpoint U8 values and 2 bytes. How to search for them?

  My idea was to see how many bytes, I read, convert each in a binary table and then show them as boolean table all together (see annex VI). It works but I can not find the expression just binary AA Hex and 55. And it is as interesting as the first column (bit 0) and last (bit 7) always remain 'false. ' I'm doing something wrong?

  So it would have been more useful if you would have posted the example that has been read data.  Because I didn't have everything I've done a few.  The attached VI will look for places where the hexadecimal byte AA then 55.  It then divides the sections of data using this information.  I wrote it two ways because I was typing this I thought of a better way that uses string functions to break the data into a data table.

• Is it possible to stop labview data hex autoconverting to a SQL database in ascii?

  Hi all

  I is currently working on a program that ask a SQL database for the data from the sensors and converts these data into a spreadsheet for future use.

  My problem is the following:
  I can access and read the data very well; However, the data I'm after are stored in the database as a hexadecimal number (example: "0 X 5727000...) ». When I pass this through this vi "DB Tools Fetch Item Data", he captures the data and the autoconverts it in ascii. It is a huge problem because the data contains several pieces of information and must be analyzed before his conversion in order to achieve the correct value (and wrong format in ascii).

  Is it possible to recover the data as a string containing only the hexagonal information? I already have the code that converts it to; I need as hexadecimal values and not ascii he tries to AutoFormat to.

  Your data are permanently binary.  And how it is stored in the database is a function of some program put in there.  It is not a case of LabVIEW doing any "autoconverting".

  "more labview uses the display format Hex to work more on television anyway.

  So the next question is what is the continuation of the work you want on these data?  There is a function call "String to Byte Array" that converts the characters in a table of U8.  So now, you have a table of numbers of U8.  What you then do with that depends on what all these data are supposed to represent.