Partitioning problem with Suse 7.2

[Άγγελος Οικονομόπουλος]

On Saturday 20 July 2002 14:21, Panagiotis Panos wrote:
> >koita kalutera sto telos tou mail gia to pws 8a kaneis zero fill
> >
> >> >panw sthn disklabel (pou brisketai ston deutero sector ths a6
> >> > partition). ek twn usterwn, gia na eisai pragmatika sigouros, kane
> >> > kai ena zero fill sto disko :)
> >> >
> >> >sto meta3u, mporeis na steileis to output tou sfdisk -v /dev/hda
> >> > ka8ws kai thn ekdosh tou sfdisk & th dianomh apo thn opoia
> >> > proerxetai (_oles_ oi dianomes plhn ths debian to patcharoun mexri
> >> > ahdias)?
> >>
> >> Me ekkinish apo disko Redhat 6.1 me sfdisk 3.07
> >
> >koita 5 grammes pio panw, dipla sth le3h 'sfdisk'
>
> Sorry nomiza oti sou eftane h ekdosh 3.07
> sfdisk version 3.07 (aeb at cwi.nl, 980518)

arg.
ennow to option verify (V) tou sfdisk.
(btw. pragmati to sfdisk sou einai palio, den mporeis na katebaseis kamia 
mini distro me neoteres util-linux? panta xreiazetai)

>
> >> Mia rizikh lysh na sbhstoun ta panta na dior6w6oun ola kai na ginei o
> >> diskos san kainourgios (san apo to ergostasio) yparxei?
> >
> >nai. eite katebazeis apo to site tou kataskeuasth tou diskou sou mia
> >bootable diskette pou suni8ws exei kai to antistoixo utility (me ta
> > onomata zero-fill/low-level format/don't touch this) (endedeigmeno),
> > eite ftiaxneis
>
> to endedeigmeno einai sto don't touch?

oxi, to endedeigmeno einai na xrhsimopoihseis to utility pou sou dinei o 
vendor tou diskou.

> Pantws egw katebasa apo Maxtor (exei e3agorasei thn Quantum) ena
> ergaleio, to POWERMAX.EXE.

para to oti exei e3agorasei thn quantum, disko maxtor den eixa pote kai ara 
den gnwrizw pws onomazei to zero-fill to powermax.exe.

>
> >mia disketta me kapoia grhgorh ekdoxh ths dd (sdd, ...) (den nomizw oti
> > 8a to kaneis eukola xwris na exeis kapio unix sto disko), eite
> > mpoutareis to suse cd kai dineis dd if=/dev/zero of=/dev/hda bs=512 kai
> > feugeis gia ena pentahmero sto nhsi ths areskeias sou mexri na
> > teleiwsei.
> >
> >an kapoios skeftetai na petaxtei kai na pei "ma ti les, h lush einai 
> > ...." as skeftei oti mia adespoth openbsd disklabel sto disko 8elei
> > sbhsimo, giati kapote 8a 3anaemfanistei kai 8a se dagkwsei kai den 8a
> > exeis idea pws egine.
> >kai mia pou den mporw na apobalw thn entupwsh oti o original poster 8a
> >duskoleutei na brei ton sector pou brisketai h disklabel me odhgies e3'
> >apostasews ...
>
> Me plhgwneis aforhta (by original poster). Erwthseis (please help)

exw piei kati parapanw :) oi sumboules autes einai ligotero a3iopistes apo 
oti sunh8ws (kapoioi 8a legane ka8olou).

> 1. An ekana dd if=/dev/zero of=/dev/hda1 mexri ta 752MB dhladh de tha
> glytwna ligo xrono?

me ta stoixeia pou exeis steilei ws twra, den eimai ka8olou sigouros oti ta 
utilities pou xrhsimopoieis dinoun th swsth eikona gia to disko sou kai ara 
den mporw na sou apanthsw me sigouria.

> 2. An esbhna ola ta partitions kai dhmiourgousa ena
> mono neo hda1 10MB, kapoy ekei mesa de brisketai o deuteros sector ths a6
> partition. H mhpws na paw mexri to 1.1GB peripou mexri ekei pou htan to
> OpenBSD A6.

_den_ 8es kapote na anadu8ei mia openbsd disklabel. an eisai apolutws 
sigouros oti einai katw apo ta 1.1G dokimase

dd if=/dev/zero of=/dev/hda bs=512 count=2097152

> 3. 8a akoustei xazh erwthsh alla ma6ainw grhgora. H
> diadikasia zerofill einai h dd if=/dev/zero ... ? Diabazw man pages, help
> klp howto kai oti allo exeis na mou proteineis. Euxaristw gia tis
> plhrofories ek twn proterwn.

zero fill einai (surprise) opoiadhpote diadikasia me thn opoia gemizeis me 
mhdenika to disko. to dd einai to pio argo programma gia auth th diadikasia 
(~<1h/G alla den exw kanei kai benchmarks).

-- 
10.0 times 0.1 is hardly ever 1.0.
            - The Elements of Programming Style (Kernighan & Plaugher)