Storage Management (ASM ACFS DNFS ODM) (MOSC)

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Input/Output error While Creating ASM Disks

edited Sep 10, 2014 5:01AM in Storage Management (ASM ACFS DNFS ODM) (MOSC) 6 commentsAnswered

Hello ,

Currently we have an environment with ASM instance running on 36GB LUN devices,

We are planning to migrate to Larger LUNS (472GB).

LUNS have been provided and raw partitions have been created, But when I tried to create disks using oracleasm service, I am getting the below error,

# /etc/init.d/oracleasm createdisk DATA001  /dev/emcpoweraal1

Marking disk "DATA001" as an ASM disk:                [FAILED]

Tried creating disk using asmtool, got the same error that was logged in /var/log/oracleasm

# /usr/sbin/asmtool -C -l /dev/oracleasm -n DATA001 -s /dev/emcpoweraal1 -a force=yes

asmtool: Unable to clear device "/dev/emcpoweraal1": Input/output error

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