How to create Oracle ASM disks using disk or multipath devices in Red Hat Enterprise Linux?
Issue
- How to create Oracle ASM devices using device-mapper multipath devices in Red Hat Enterprise Linux?
- How to create ASM device based on the WWID of the disk using udev rule?
- How to create ASM disk using WWID of the disk?
Environment
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 6
- Oracle ASM
- Udev
- Exceptions:
- For VMware guests
- Follow the directions in: "How to get the WWID of the disk within a RHEL guest on VMware ESX host?" for cases where the device wwid is not shown within udevadm output. Device WWIDs need to specifically be enabled within VMware hypervisor for a guest, otherwise no such persistent identifier is provided.
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