From daemon Wed Dec 27 22:40:02 1995 Received: from ccvm.sunysb.edu by alice.jcc.com; (5.65v3.0/1.1.8.2/01Aug94-0142PM) id AA32022; Wed, 27 Dec 1995 22:39:58 -0500 Message-Id: <9512280339.AA32022@alice.jcc.com> Received: from CCVM.SUNYSB.EDU by ccvm.sunysb.edu (IBM VM SMTP V2R3) with BSMTP id 1813; Wed, 27 Dec 95 22:18:44 EST Received: from CCVM.SUNYSB.EDU (NJE origin LISTSERV@SBCCVM) by CCVM.SUNYSB.EDU (LMail V1.2a/1.8a) with BSMTP id 1797; Wed, 27 Dec 1995 22:18:41 -0500 Date: Wed, 27 Dec 1995 21:16:06 -0600 Reply-To: "ORACLE database mailing list." Sender: "ORACLE database mailing list." From: "David L. Dennis" Subject: Re: Exporting Directly to Tape X-To: "ORACLE database mailing list." To: Multiple recipients of list ORACLE-L In-Reply-To: <9512271126.aa14295@libra.afsoc.af.mil> On Wed, 27 Dec 1995, Helena Whitaker wrote: > On Wed, 27 Dec 1995, Kilner, Carol wrote: > > > Has any one had any experience doing an export directly to dat tape on an > > HP-UX version 10. > > > > Are you sure dd can copy an export file properly from tape > to disk ? (I once had a problem where one version of frecover > > My gut feeling is that export/import directly to/from tape > will be consistent, export/import to/from disk with a dd to > tape as a backup will be consistent, but export to tape, > dd to disk, import from disk may not be. > My experience with dd on Sun Solaris yeilds similar results. Using dd to read from tape to disk tends to do funny stuff with blocking and other low-level tape-specific things. Your best bet is to either import from tape, either directly, or using the pipe-through-node method that Steven suggested. HTH, David L. Dennis ARINC Incorporated ddennis@arinc.com