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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.mira.net.au!news.vbc.net!samba.rahul.net!rahul.net!a2i!olivea!spool.mu.edu!newshub.tc.umn.edu!fu-berlin.de!irz401!orion.sax.de!uriah.heep!news From: j@uriah.heep.sax.de (J Wunsch) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: disklabel for ST15230N under 2.1.x-RELEASE Date: 7 Aug 1996 22:03:00 GMT Organization: Private BSD site, Dresden Lines: 33 Message-ID: <4ub3qk$dev@uriah.heep.sax.de> References: <4tjfo1$o6p@overload.lbl.gov> <4tlus4$c0o@uriah.heep.sax.de> <4tqqdf$l0f@overload.lbl.gov> <4tski5$nsr@godzilla.zeta.org.au> <4u85te$1f8@overload.lbl.gov> Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) NNTP-Posting-Host: localhost.heep.sax.de Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Newsreader: knews 0.9.6 X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E jin@gracie.lbl.gov (Jin Guojun[ITG]) wrote: > >>> dd if=/dev/rsd0 of=/dev/rsd1 bs=64k > >>> > >>>Of course, this assumes number_of_blocks(sd1) >= number_of_blocks(sd0). > >> > >>Apperently, it is not. > > > >If the disks have different sizes, then copying the labels will probably > >give a bogus label. > No No. I am talking the same type of disks. All the disks are in the > same type Seagate HAWK 4.3 ST15230N You are self-condradictionary. Three postings before, you wrote that they are ``apparently not'' identical. > The only difference is that you use bs=64k, I used bs=1024k. > For my understanding, it should not make different, should it? It's not different, but doesn't gain you anything either, since physio() slices the requests into chunks of 64 KB anyway. Have you really been using the abovementioned device nodes? Or did you use ``/dev/sd0'' or ``/dev/rsd0c'' or something else? *This* could be a difference. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)