How a clone can help us with a patch (updated to 12c)
Link to article published in Oracle Technology Network, about how to use an Oracle Home clone to apply patches.
How to migrate OCR and VDISK to a new disk array?
Procedure to follow when you want to replace the disks on which the ocr and voting disks reside in Oracle.
Installing Oracle 11g Release 2 on OEL 5.3
Step by step installation of Oracle 11.2 on Linux, using Oracle Universal Installer in graphical mode.