Re: raw devices redhat 7.1

From: koert54 <nospam_at_nospam.com>
Date: Fri, 5 Jul 2002 09:29:59 +0200
Message-ID: <3d254eb3$0$7113$4d4efb8e@news.be.uu.net>

"Marcin Jakubowski" <user_at_debian.pl> wrote in message news:slrnaiaimd.22j.user_at_rose.pil.pl...
> On Thu, 4 Jul 2002 15:44:57 +0200, koert54 <nospam_at_nospam.com> wrote:
> >
> >
> > check if /usr/src/linux/drivers/char/raw.c exists for raw device support
> >
> OK so I can use raw device ;-)
> >
> > - create your partitions
> > - create your special device files if necessary : example : mknod
/dev/hda17
> > b 3 17
> > - for each raw device add the following to /etc/rc.local
> > #-- rawdevice binding
> > /usr/bin/raw /dev/raw/raw9 /dev/hda17
> >
> > #-- rawdevice ownership & access rights
> > # (oracle:dba) is our oracle account
> > /bin/chmod 600 /dev/raw/raw9
> > /bin/chown oracle /dev/raw/raw9

>


>     Thats explains everything

>


> >

> >
> > dd or RMAN !

>


>     OK I use rman but ... in Linux man for raw i found

> ...
> BUGS
> The Linux dd (1) command does not currently align its
> buffers
> correctly, and so cannot be used on raw devices.

>

> On SGI site I found dd.raw for faw devices. Did you use this for backup
> or standard dd from distribution. On what Linux ditribution you use raw
> devices ?

>
> Marcin

I use it at home on a Red Hat 7.1 out of the box install ... I basically don't backup the stuff
that's on it but I used dd to go from datafile to raw and vice versa ... had no problems with it Received on Fri Jul 05 2002 - 02:29:59 CDT