Category Archives: ASM

How To Setup ASM & ASMLIB On Native Linux Multipath Mapper disks

This note apply to Oracle Database using ASM and linux S.O.   After installed and configured the Multipath, follow bellow: 1. Download and Install ASMLIB :   2. Check the disks : ls -l /dev/mapper brw-rw—- 1 root disk 253, 46 Jul 27 17:19 Prod_Orcl01 brw-rw—- 1 root disk 253, 67 Jul 27 17:59 […]

How to solve the error – ADVM/ACFS is not supported on epel-release-5-4

This issue is about Oracle Database 11g Release 2 Grid Infrastructure installation on linux Red Hat 5 x86_64 The error “ADVM/ACFS is not supported on epel-release-5-4” is one bug related a installed packages. Bug Evidence –  Look the packages (root user) rpm -qa |grep release Result: redhat-release-notes-5Server-36 epel-release-5-4 redhat-release-5Server- rpmforge-release-0.5.2-2.el5.rf NOTE: The Grid installation verify […]

How to replace disks in ASM

Example of script used for replacement ASM disks in database production: 1. Creating the disk with root user – run in one instance: cd /etc/init.d . /oracleasm createdisk ORADT1  /dev/mapper/ORADT1 ./oracleasm scandisks ./oracleasm listdisks 2. After create disks, run scandisks in all instances and verify the new disk: cd /etc/init.d ./oracleasm scandisks ./oracleasm listdisks 3. […]