Why don't you try it? Create a small database on Alpha, rcp it to HP and see what happens.
On 2003.06.07 09:39 DENNIS WILLIAMS wrote: > K > I'm looking to move a large database from HP/Compaq/DEC Alpha to Sun. Any > possibility the datafiles might be compatible? > > Sashidar > This was discussed quite a bit on this list 5/14, the subject was > "quickest method". The consensus seemed to be that: > 1. SQL*Loader in direct path mode is the fastest. The catch is the hassle > of getting the data out to a flat file and creating a loader control file. > 2. Database links and exp/imp are roughly the same speed, so you have to > test to see which will be fastest for your situation. > I plan to test these various methods in our environment, since the downtime > window will be rather small. > Consider using the 80/20 principle (Pareto's Rule). Typically, just a > handful of tables contain most of the data. In my case, a single table > contains about 25% of the data. It is worth the effort to develop a method > to dump the data to a flat file and to create a loader control file if that > is the fastest method. For the many small files, just use exp/imp. Please > update me on any conclusions you reach since this topic is of significant > interest to me. Thanks. > > Dennis Williams > DBA, 80%OCP, 100% DBA > Lifetouch, Inc. > [EMAIL PROTECTED] > > > -----Original Message----- > Sent: Saturday, June 07, 2003 7:15 AM > To: Multiple recipients of list ORACLE-L > or .. > > > Sashidar: > > > In THEORY HP datafiles and Sun data files are compaible. That is you > can just move the HP data files to the Sun server and recreate the data > files. Both data files are in same endianness and they are cross > platform compatible. > > There is no tool to convert a datafile from one OS format to another OS > format. Some time back, some one (Guess who??) tried developing a tool > and the idea was dropped since Oracle started addressing this issue as > a standard feature inside the RDBMS product. So there is no third party > tool available in the market to do that conversion and I don't expect > any new tools to do that. > > Having said that, that above said method is NOT officially supported by > Oracle in current versions. You have to wait for some more time to get > that officially supported by Oracle (clue!!) > > If you have a faster interconnect CTAS will be much faster than export > import method, I remember seeing some comparitive numbers in Metalink.. > Have you checked that? > > > > > ===== > Have a nice day !! > ------------------------------------------------------------ > Best Regards, > K Gopalakrishnan, > Bangalore, INDIA. > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: K Gopalakrishnan > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB ORACLE-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: DENNIS WILLIAMS > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB ORACLE-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > -- Mladen Gogala Oracle DBA -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Mladen Gogala INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
