Guenadi N Jilevski's Oracle BLOG

Oracle RAC, DG, EBS, DR and HA DBA BLOG

Virtualization using Oracle Linux 6 (OEL6) in Oracle VirtualBox

Virtualization using Oracle Linux 6 (OEL6) in Oracle VirtualBox

In the article you will look at how to install OEL6, VirtualBox Guest additions and configure shared folders and networking.

The following software will be used:

Article in first part covers OEL6 installation. In the second part the OEL6 VM is made user friendly by:

  • Installation of VirtualBox Guest Additions
  • Networking between host OS and Guest OEL6, Internet access form OEL6
  • Configuration of shared folders between Guest OEL6and Host OS
  1. OEL6 installation

Note that OEL6 has a bigger footprint on disk and planning needs to be done to size appropriately the file systems. The following file systems will be carved.

Continue reading

May 12, 2011 Posted by | oracle | 4 Comments

Transferring files between ASM and OS file system in Oracle 10g – 11gR2 (11.2.0.2)

Transferring files between ASM and OS file system in Oracle 10g – 11gR2 (11.2.0.2)

ASM, introduced in Oracle 10G, is Oracle solution for storing database files. In Oracle 11gR2 ASM was further enhanced with a general purpose ASM Cluster File system (ACFS) and ASM Dynamic Volume Manager (ADVM). Since ASM was introduced RMAN remains the only supported way to migrate databases from file systems to ASM and from ASM to file systems. For information and examples about how to use RMAN for migration to ASM click here.

In this article you will look at ways to transfer files between file system and ASM. Files need to be transferred in cases of transportable tablespaces , transportable database or copying backup files to name a few. You will look at the following features:

  • XML DB – enables file transfer since Oracle 10gR1
  • ASMCMD cp command since Oracle 11g
  • DBMS_FILE_TRANSFER package – allowed transfer between ASM/FS since 10gR2

Continue reading

May 12, 2011 Posted by | oracle | 6 Comments