How to create raw datafile.

[May Galan]

Hi Michael
Appreciate your prompt advise and the scripts you've send. 

This are the steps that was executed::

# lvcreate -n mgzse_log_04a -L 96 /dev/oriole2vg00 /dev/cciss/c0d0p6
LV Name                /dev/oriole2vg00/mgzse_log_04a
VG Name                oriole2vg00
LV Write Access        read/write
LV Status              available
LV #                   12
# open                 0
LV Size                96 MB
Current LE             24
Allocated LE           24
Allocation             next free
Read ahead sectors     1024
Block device           58:11

# ll /dev/oriole2vg00/mgzse_log_04a
brw-rw----    1 root     disk      58,  11 May 11 16:13
/dev/oriole2vg00/mgzse_log_04a

Execute mknod command
# mknod   /dev/oriole2vg00/mgzse_log_04a c 162 11

crw-r--r--    1 oracle     dba     162,  11 May 11 16:20
/dev/oriole2vg00/rmgzse_log_04a

Execute raw command.
# raw /dev/oriole2vg00/rmgzse_log_04a /dev/oriole2vg00/mgzse_log_04a
/dev/raw/raw11: bound to major 58, minor 11  --> Will this be OK??

Will in Linux be in need to just create a link for the raw device??
Are the steps we execute miss something?? Please help

Thanks
May.


-----Original Message-----
From: Michael Ault [mailto:mikerault at yahoo.com] 
Sent: Thursday, May 13, 2004 9:27 AM
To: Getting started with Red Hat Linux
Subject: Re: How to create raw datafile.


--- May Galan <mgalan at dairy-farm.com.ph> wrote:
> Hi
> Can someone send a list on how to create raw
> datafile in Linux? 
> We are currently creating a database (oracle 9r2)
> using raw datafile and we
> have done so (last few steps was mknod and
> permission) but still encounter
> this error. 
> 
> CREATE DATABASE "cmgzse"
> *
> ERROR at line 1:
> ORA-01501: CREATE DATABASE failed
> ORA-00301: error in adding log file '/dev/oriole2vg00/rmgzse_log_01a' 
> - file cannot be created
> ORA-27041: unable to open file
> Linux Error: 19: No such device
> Additional information: 1
> 
> We can list the files and permission is set already
> to oracle:dba
> > ls -ltra rmgzse_log_01a
> crw-r--r-- 1 oracle dba 162, 14 May 12 11:29
> rmgzse_log_01a
> 
> The mknod command we do:
> > mknod /dev/oriole2vg00/rmgzse_log_01a c 162 8
> 
> Did we miss something??...Guess with the list we can
> drop and recreate our
> existing one and try to create again
> BTW, we are using Linux X86 RHEL2 32bit
> Thanks a lot in advance...
> 
> Cheers
> May.
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=====
Michael R. Ault
Senior Technical Management Consultant
TUSC -- The Oracle Experts WWW.TUSC.COM