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Re: raw devices redhat 7.1

From: koert54 <nospam_at_nospam.com>
Date: Thu, 4 Jul 2002 15:44:57 +0200
Message-ID: <3d2455cc$0$7109$4d4efb8e@news.be.uu.net>

"Marcin Jakubowski" <user_at_debian.pl> wrote in message news:slrnai8dve.1v8.user_at_rose.pil.pl...
> Hi all
>
> I have redhat 7.1 and oracle 8.1.7. I have tablespaces over 2 GB in few
> files on starndard linux ext filesystem. I woud like switch to
> rawdevices, and I have questions.
>
> 1. What patch for linux kernel I need, I use 2.4.18 linux kernel with
> some security and acl patches. What raw-io patch i need.

check if /usr/src/linux/drivers/char/raw.c exists for raw device support

>
> 2. How I should buidl this raw io
>
> /dev/raw/raw1 -> /dev/sdc1

            #-- rawdevice ownership & access rights
            #   (oracle:dba) is our oracle account
            /bin/chmod 600 /dev/raw/raw9
            /bin/chown oracle /dev/raw/raw9

>
> and there is a limit for raw io size like in standard filesystems ?
>
> 3. How to make backup of raw-io datablocks ? using dd and
> off=/some/file ?

dd or RMAN !

>
> Marcin
Received on Thu Jul 04 2002 - 08:44:57 CDT

Original text of this message

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