While ASM can function without it, using ASMLib is a best practice for maintaining disk labels across reboots and operating system upgrades. Where to Download Oracle ASM Library
Setting up Oracle Automatic Storage Management (ASM) on Linux often requires the Oracle ASM Library (ASMLib) to simplify disk management and ensure persistent device naming. oracle asm library download
A complete ASMLib installation typically requires three distinct components: Installing and Configuring Oracle ASMLIB Software While ASM can function without it, using ASMLib