Grid

Cleaning up a failed Oracle 11g grid infrastructure install.

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Unfortunately, the installer or more specifically the root.sh script for the Oracle 11g grid (Clusterware) installer can be very flaky.   If it fails and you need to fix something or rerun it for any reason, it will fail the next time if you have not cleaned up the install by de-configuring CRS. I also …

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Using files on a shared drive as disks for ASM (on RedHat Linux)

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Firstly, you need to create files padded to the required disk size. So if you want 4 1Gb files you could execute the below commands on shared storage: dd if=/dev/zero of=/SHAREDDISK/asmDisk1-1 bs=1024k count=1000 dd if=/dev/zero of=/SHAREDDISK/asmDisk1-2 bs=1024k count=1000 dd if=/dev/zero of=/SHAREDDISK/asmDisk1-3 bs=1024k count=1000 dd if=/dev/zero of=/SHAREDDISK/asmDisk1-4 bs=1024k count=1000 dd creates your file, ‘if’=/dev/zero gets null …

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