Bindings for bare devices under the Linux platform:

Bindings for bare devices under the Linux platform:

using raw bindings
Method one raw configuration (1)

[Email protected] mapper]# cat/etc/rc.local

#!/bin/sh

#

# This script is executed *after* all theother init scripts.

# can put your own initialization stuff inhere if you don ' t

# want to does the full Sys V style init stuff.

Touch/var/lock/subsys/local

#####

# Oracle Cluster Voting disks

#####

Chown oracle:oinstall/dev/mapper/voting*

chmod 660/dev/mapper/voting*

Raw/dev/raw/raw5/dev/mapper/votingdiskp1

Raw/dev/raw/raw6/dev/mapper/votingdiskp2

Raw/dev/raw/raw7/dev/mapper/votingdiskp3

Raw/dev/raw/raw8/dev/mapper/votingdiskp4

#sleep 2

Chown oracle:oinstall/dev/raw/raw5

Chown ORACLE:OINSTALL/DEV/RAW/RAW6

Chown Oracle:oinstall/dev/raw/raw7

Chown Oracle:oinstall/dev/raw/raw8

chmod 660/dev/raw/raw5

chmod 660/dev/raw/raw6

chmod 660/dev/raw/raw7

chmod 660/dev/raw/raw8

Method One (2)

[Email protected] raw]# vi/etc/rc.local

#!/bin/sh

#

# This script is executed *after* all theother init scripts.

# can put your own initialization stuff inhere if you don ' t

# want to does the full Sys V style init stuff.

Touch/var/lock/subsys/local

Chown-r oracle:oinstall/dev/raw/raw*

Chmod-r 660/dev/raw/raw*

~

(1) Edit the rawdevices configuration file:

[Email protected] sysconfig]# pwd

/etc/sysconfig

[Email protected] sysconfig]# VI rawdevices

# RW Device Bindings

# format: <rawdev> <major> <minor>

# <rawdev> <blockdev>

# Example:/dev/raw/raw1/dev/sda1

#/DEV/RAW/RAW2 8 5

#--join? Binding entries for bare devices and block devices:

/dev/raw/raw1/dev/sdb1

/dev/raw/raw2/dev/sdc1

/dev/raw/raw3/dev/sdd1

/dev/raw/raw4/dev/sde1

(2) Start rawdevices service:

Service Rawdevices Start

(3) When the configuration system starts, self-initiated rawdevices service:

Chkconfig rawdevices on

(4) Confirm that the Rawdevices service is successfully started and that the bare device is created correctly. Check the status of the Rawdevices service first:

Service Rawdevicesstatus

[[Email protected] sysconfig]# service rawdevices status

/dev/raw/raw1:bound to Major 8, minor 17

/dev/raw/raw2:bound to Major 8, minor 33

/dev/raw/raw3:bound to Major 8, minor 49

/dev/raw/raw4:bound to Major 8, minor 65

To view the bare device again:

[Email protected] sysconfig]# Cd/dev/raw

[email protected] raw]# LL

Total 0

CRW-RW----1 Oracle Oinstall 162, 1 May 15:03RAW1

CRW-RW----1 Oracle Oinstall 162, 2 May 15:35RAW2

CRW-RW----1 Oracle Oinstall 162, 3 May 15:35RAW3

CRW-RW----1 Oracle Oinstall 162, 4 May 15:35RAW4

[Email protected] raw]#

(5) ASM is performed as an Oracle user, and to enable ASM to discover these devices, the owner of these devices must be changed:

[Email protected] raw]# chown oracle:oinstall/dev/raw/raw*

[email protected] raw]# LL

Total 0

CRW-RW----1 Oracle Oinstall 162, 1 May 15:03RAW1

CRW-RW----1 Oracle Oinstall 162, 2 May 15:37RAW2

CRW-RW----1 Oracle Oinstall 162, 3 May 15:37RAW3

CRW-RW----1 Oracle Oinstall 162, 4 May 15:37RAW4

method Two uses the UDEV device bindings:

Change/etc/udev/rules.d/60-raw.rules file

# Now that we know the/DEV/SDB1 to RAW1, can we add it to the/etc/udev/rules.d/60-raw.rules file? For example, the following:

[Email protected]~] #vi/etc/udev/rules.d/60-raw.rules

Cat >>/etc/udev/rules.d/60-raw.rules<< EOF

action== "Add", kernel== "sdb1", run+= "/bin/raw/dev/raw/raw1%N"

action== "Add", kernel== "SDC1", run+= "/bin/raw/dev/raw/raw2%N"

action== "Add", kernel== "Sdd1", run+= "/bin/raw/dev/raw/raw3%N"

action== "Add", kernel== "Sde1", run+= "/bin/raw/dev/raw/raw4%N"

action== "Add", kernel== "Raw[1-5", owner= "Oracle", group= "Oinstall", mode= "660"

Eof

Restart the Udev service:

[Email protected] ~]# Start_udev

[Email protected] asmfileapp-linux5.4]# ls-lat/dev/raw/raw*

CRW-RW----1 Oracle Oinstall 162, 4 APR 00:49/DEV/RAW/RAW4

CRW-RW----1 Oracle Oinstall 162, 3 APR 00:49/DEV/RAW/RAW3

CRW-RW----1 Oracle Oinstall 162, 2 APR 00:49/dev/raw/raw2

CRW-RW----1 Oracle Oinstall 162, 1 APR 00:49/dev/raw/raw1

Bindings for bare devices under the Linux platform: