One little endian - Windows to AIX possible?

Hello all,
I'm trying to find out if it is possible to use Oracle 11g RMAN to copy/convert an existing database on a Windows 64bit platform to AIX 6.1 platform.
Per the10g document below, it seems the restriction is based on the endian order (32 bit, 64 bit, etc.).
http://download.oracle.com/docs/cd/B19306_01/backup.102/b14191/dbxptrn.htm#CHDCFFDI
The principal restriction on cross-platform transportable database
is that the source and destination platform must share the same
endian format.
For example, while you can transport a database from Microsoft
Windows to Linux for x86 (both little-endian), or from HP-UX to AIX
(both big-endian), you cannot transport a whole database from
HP_UX to Linux for x86 using this feature.So: is it true if the Windows database is on a 32 bit platform, then RMAN cannot copy/convert the database from the windows platform to the AIX platform
And by contrast, is it true that it would be possible for RMAN to copy/convert the database from Windows to AIX if the Windows platform were 64 bit?
Also, it seems there are still files that would have to be recreated manually (redo logs, controlfiles, spfile, etc.).

MOS Doc 733205.1 (Migration of Oracle Database Instances Across OS Platforms) may help
Srini

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Thanks...

Big Endian is most significant byte (bit) first, Little Endian is most significant byte (bit) last. When we write down a number, we use big endian: one million threehundred and twentyfivethousand ninehundred and fiftyfour we'd write as 1 325 954. in little endian notation that would be 459 523 1.
I don't know why they show up when exporting audio to video, maybe it is to adaprt the audio to some other (older?) formats?

Help: Any one can advice, CVI software is using Big or little endian?

Help: Any one can advice, CVI is using Big or little endian?
or is depend on the processors my HW is using?

The correct answer it the third one: CVI adapts to the hardware architecture you are running on. In the Programmer's Toolbox you have functions to detect the hardware architecture: HostIsBigEndian and HostIsLittleEndian. In the group you have functions to convert data between architectures.
Proud to use LW/CVI from 3.1 on.
My contributions to the Developer Zone Community
If I have helped you, why not giving me a kudos?

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I would need ByteBuffer with the methods order and getDouble.
I read the socket in little endian format (thus I cannot use the getDouble method of the class DataInputStream). Is there any solution in Java 1.3.1 to extract a double from 8 bytes?
In other words, if I want to keep my code compatiple with Java 1.3.1, do I have to change the order of the bytes manually and then also extract the double value manually (extracting the sign-bit, the exponent and significant to calculate the double value is possible but quite stupid if there is another way...)
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Thank you for your help, meloro77!
I modified your masks and shifts and then finally created the proper method for the double values.
There was one more trick needed: each byte MUST be converted into a long value before running the shift! The byte and the result is otherwise treated as int (32 bytes and any bytes higher than this would be discarded.
For your and everybody else's fun and joy, I include here the code which I used:
byte []   doubleData = new byte[8];
             reading the bytes
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Any need for conversation from big endian and little endian?

Hi,
I am planning to migrate an Oracle 9i Database on AIX 5.3 to Oracle 11g R2 Windows 2008, and have planned to use transportable tablespace. But prior to that task is the conversation required from big endian and little endian using RMAN?
Appreciate any suggestions, comments and hints
Thanks

Hi,
Check V$TRANSPORTABLE_PLATFORM, it shows the ending for each supported platform. Given the results on my 11g, I suspect that you'll have to convert the tablespaces...
SYSTEM@oracle11 SQL>select *
2   from V$TRANSPORTABLE_PLATFORM
3 ;
PLATFORM_ID PLATFORM_NAME                                                                                         ENDIAN_FORMAT
          7 Microsoft Windows IA (32-bit)                                                                         Little
          6 AIX-Based Systems (64-bit)                                                                            Big
          8 Microsoft Windows IA (64-bit)                                                                         Little
         12 Microsoft Windows x86 64-bit                                                                          LittleHtH
Johan

Converting 'little endian bytes' to short

i need to convert to bytes in little endian format (low order byte first) into a short. i wrote an algorithm that i thought would solve this problem. it seems to work most of the time, however occassionally it does produce the wrong value. i was hoping someone out there could help me solve this problem
public static short ByteToShort(byte one, byte two)
// little endian format
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short result = 0;
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byte one and two are converted to int in the operation (before reconverted to short in the assignment).
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Linear PCM - Big Little Endian

Sorry - I'm at a loss.
Assumptions:
Linear PCM is the correct format for exporting audio for FCP - ie Lossless
Ok...
Big Endian seems to be a default with Little Endian wanting a checkbox.
IS there a reason FCP wouldn't accept one or the other?
CaptM

Drew13 had this to say:
Little Endian and Big Endian is how the data is stored with the most signifcant byte on one end or the other (taken from Gulliver's Travels and how the egg should be cracked.(ETA) One of the conflicts in the book is between people who preferred cracking open their soft-boiled eggs from the little end, and the people who preferred the big end.). For the most part you do not need to concern yourself with this (unless you like finding out about those things more) it is transparent in your workflow on the Mac using these apps.(FCP, FCE etc.)
PPC Mac > Big Endian (default)
WIndows PC > Little Endian (default)
• Endianness
This is all well and good except when it comes to the Intel Macs and Dolby AC3 creation with Compressor.
At the moment there's a byte-order compatability Problem mixing UB versions of AC3 with PPC versions of AC3 within the same DVD SP 4.1 project.
Read this:
http://discussions.apple.com/thread.jspa?messageID=3130608&#3130608
MaxR says:
Apple's developer site specifically cites byte-order as a concern for developers of Universal binaries, but seems to have let this slip out anyway. Shame, shame, Apple.
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Little endian

Dear forum members. I connect one device with RS232 port to computer. The commands of Visa Write will be " 0x01 0x80 0x58 0x84 0x0c 0x10 0x0a " (7 byte). These are Hex digits and already little endian. How can I write in Labview? 0x no need?
Can you attach the simple example... How I will operate the device with this command?
Please help me..
Thanks in advise..
Sincerely Harutyun Melikyan!
I used Labview 8.0.

You are still confusing a formatted hex string, consisting exclusively of the letters 0..F when the string indicator is set to normal display (2 characters per byte), and a binary string (consisting of possible bytes from 00 to FF, 1 character per byte) that shows the desired pattern when set to HEX display.
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The attached example shows both possible implementations.
Message Edited by altenbach on 09-11-2007 06:22 PM
LabVIEW Champion . Do more with less code and in less time .
Attachments:
HexMOD.vi ‏11 KB
HexMOD.png ‏7 KB

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'I may receive some form of compensation, financial or otherwise, from my recommendation or link.'

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One little endian - Windows to AIX possible?

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