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ASM and install Oracle Grid Infrastructure on Oracle Linux 5.7
Hi DBAs,
I am trying to install Oracle Grid Infrastructure on Oracle Linux 5.7 and I got the following
error :
INFO: Read: Configuring ASM failed with the following message:
INFO: Read: One or more diskgroup(s) creation failed as below:
INFO: Read: DiskGroup DATAJZ creation failed with the following message:
INFO: Read: ORA-15018: diskgroup cannot be created
INFO: Read: ORA-15020: discovered duplicate ASM disk "DATAJZ_0009"
INFO: Read: ORA-15080: synchronous I/O operation to a disk failed
I have deleted disks one by one and I got the same error
INFO: Read: Configuring ASM failed with the following message:
INFO: Read: One or more diskgroup(s) creation failed as below:
INFO: Read: DiskGroup DATAJZ creation failed with the following message:
INFO: Read: ORA-15018: diskgroup cannot be created
INFO: Read: ORA-15020: discovered duplicate ASM disk "DATAJZ_0007"
INFO: Read: ORA-15080: synchronous I/O operation to a disk failed
these are the steps :
dd if=/dev/zero of=/u01/asmdisks/_file_disk_01 bs=1k count=2359296
... to
dd if=/dev/zero of=/u01/asmdisks/_file_disk_10 bs=1k count=2359296
----
losetup /dev/loop1 /u01/asmdisks/_file_disk_01
... to
losetup /dev/loop10 /u01/asmdisks/_file_disk_10
----
ln -s /dev/loop1 /dev/_xvdb01
... to
ln -s /dev/loop10 /dev/_xvdk10
---
/usr/sbin/oracleasm createdisk ASMDISK01 /dev/_xvdb01
...
/usr/sbin/oracleasm createdisk ASMDISK10 /dev/_xvdk10
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oracleasm scandisks
oracleasm listdisks
Thanks in advance for your help
Giani
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