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This article mainly explains "rhel7.0 how to configure ASM disk", the content of the article is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "rhel7.0 how to configure ASM disk" bar!

Configure ASM disks and bind with udev

Recently, I encountered the problem of configuring ASM disk when installing 12c RAC on rhel 7.0. I rewrote a script and tested it.

1. The virtual machine needs to be added in the vmx file to display the UUID

Disk.enableUUID = "TRUE"

two。 Create / etc/udev/rules.d/99-my-asmdevices.rules

Step 1 (can be omitted)

# rm-rf / etc/udev/rules.d/99-my-asmdevices.rules

Step 2 (create file)

# for i in b c d

Do

Echo "KERNEL==\" sd*\ ", ENV {DEVTYPE} = =\" disk\ ", SUBSYSTEM==\" block\ ", PROGRAM==\" / usr/lib/udev/scsi_id-g-u-d\ $devnode\ ", RESULT==\" `/ usr/lib/udev/scsi_id-g-u / dev/sd$ i`\ ", RUN+=\" / bin/sh-c 'mknod / dev/asmdisk$i b\ $major\ $minor; chown grid:asmadmin / dev/asmdisk$i Chmod 0660 / dev/asmdisk$i'\ "> > / etc/udev/rules.d/99-my-asmdevices.rules

Done

Step 3

# / sbin/udevadm trigger-type=devices-action=change

Step 4 (verify the disk)

# ls / dev/asm*

/ dev/asmdiskb / dev/asmdiskc / dev/asmdiskd

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