HOWTO: Which Disks Are Handled by ASMLib Kernel Driver?
(Doc ID 313387.1)
Last updated on FEBRUARY 14, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 10.1.0.2 to 10.2.0.4 [Release 10.1 to 10.2]Linux OS - Version 1.0.1-1 to 1.0.5-1 [Release RHEL3]
Linux OS - Version 2.0.0-1 to 2.0.5-1 [Release RHEL4 to OL5]
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Linux x86
Red Hat Advanced Server
IBM: Linux on POWER Big Endian Systems
Linux x86-64
Linux Itanium
Linux Kernel - Version: 2.0.0-1 to 2.0.5-1
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Goal
ASMLib Kernel Driver is an Open Source kernel module for Linux developed by Oracle to provide Oracle Automatic Storage Manager (ASM) access to Linux block devices for physical disks instead of using raw devices. For details see the related Oracle Technology Network page (http://www.oracle.com/technetwork/server-storage/linux/asmlib).
In the course of system configuration as a system or database administrator, you might want to find out which specific physical disks are being handled by ASMLib. This document provides you some methods to find out this information.
Solution
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In this Document
| Goal |
| Solution |
| Method 1: Manually Using Device Major and Minor Numbers |
| Method 2: Brute Force with ASMLib Command "querydisk" |
| Method 3: Query via the Block Device Attributes |