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Author Topic: ASM notes to know  (Read 13 times)
Johni
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Posts: 1


« on: September 12, 2017, 03:35:41 PM »

http://Http://www.oracle.com/webfolder/technetwork/tutorials/obe/db/11g/r2/prod/install/gridinstss/gridinstss.htm

# fdisk -l
# parted -l
# lsblk -f
# lsblk -o NAME
# lshw

Grid infrastructure - Oracle restart and ASM
1 Partition a disk use oracleasm to label the disk for ASM use and Discovery

SQL> ... v$asm_disk   diskgroup
oracleasm createdisk asmdisk01 /dev/sdb1
scandisks -s
liskdisks
ll /dev/oracleasm/disks

As the root
# rpm -ivh  oracleasm         ASMlib
# oracleasm configure -i
Default user oracle, Default group dba, start and boot YES
# oracleasm init

# cat /proc/partitions    check partition known to OS
# fdisk /dev/sda
# cat /proc/partitions

# oracleasm createdisk DATA1 /dev/sda1
# oracleasm listdisks

# ls -l  /dev/oracleasm/disks       check mounted in the filesystem

Install Grid infrastructure
Create grid user primary group oinstall secondary asmdba
As the grid user
# cd /stage/grid/Disk1
# ./runInstaller
User sys has granted sysasm privilege
/app/grid     for Oracle base

Configure EM database control
Port 1522 for ASM instane     1521 was used the database instance

Use OEM or EM dbconsole emctl start dbconsole
Check migrate to ASM option and configure +ASM instance as a target

Enable Grid infrastructure features
Enable Oracle Restart
Move datafiles to ASM storage

Enable Oracle Restart
# emctl stop dbconsole
# pgrep  -lf  sndbox             to check instance processes
# pgrep  -lf  ASM
# pgrep  -lf  tns                     to check listeners
Shutdown database instance and listener
Shutdown  ASM instance  and listener

As the root user
# chkconfig  --list
# chkconfig  --list  dbora
# chkconfig  --del  dbora

As the grid user
# env l  grep ORACLE
# crsctl status/start/stop has            high availability services
# srvctl remove listener -l  LISTENER
Change the ASM LISTENER name to LISTENERASM
# gedit or vi $ORACLE_HOME/network/admin/listener.ora

Add listener to Oracle restart configuration
# srvctl add listener -l  LISTENERASM  -p "TCP:1522"  -o $ORACLE_HOME
# srvctl  config asm
# srvctl  remove asm
# srvctl  add asm -l  LISTENERASM -p  .../spfile+ASM.ora
# srvctl  add database -d  sndbox  -o  /app/oracle/product/.../Db_1
# srvctl  config asm
# srvctl start asm
# pgrep -lf ASM
# pgrep -lf  tns
Start database instance and listener
# srvctl start database -o sndbox

To move spfile
# srvctl stop database -d sndbox
# srvctl stop diskgroup  -g  DATA

As the grid user
# asmcmd  spmove
# srvctl config asm

ASMCMD> shutdown or startup                        the ASM instance
ASMCMD> mount DATA
ASMCMD> spget                                                    get spfile location

Steps to migrate
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