What platform is this on? On some UNIX platforms the file header for the raw device may vary in size. (It has been a while since I dealt with raw devices). You may have to use seek= option (dd command) to skip the header bytes before actually writing the data using 'dd'.
Or just call Oracle Support. - Kirti --- Stephen Lee <[EMAIL PROTECTED]> wrote: > > Well heck. Nobody else has replied, so I might take a stab at it here. I > suspect that the format of the data (bits and bytes) required on a raw > device is different than the format of the data in a file in a file system. > I'm stretching a bit here, but I think an analogy would be what would happen > if you dd a file from UFS to NTFS. The data on the NTFS might be a digital > copy of what was on UFS, but it's format is totally useless in the context > of NTFS. > > > -----Original Message----- > > From: Gurelei [mailto:[EMAIL PROTECTED] > > Sent: Thursday, June 19, 2003 1:55 PM > > To: Multiple recipients of list ORACLE-L > > Subject: copy a datafile to a raw device > > > > > > hi all: > > > > I need to move a SYSTEM datafile from a filesystem > > to a raw device. I have shutdown the database, > > copied the file via > > > > dd if=system of=/dev/raw > > > > renamed the file in the database, but couldn't open > > the database because of the error: Unknown File Header > > Version read for file number 1. > > > > I tried another dd: > > > > dd if=system of=/dev/raw obs=32768 (32K is the db > > block size), but I got the same error. Can anyone > > see what else could be wrong with my dd command > > > > thanks > > > > Gene > > > > __________________________________ Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! http://sbc.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Kirtikumar Deshpande 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).
