/dev/oracleasm/disks

How to Build 18c RAC - 2 of 4 - Installing Grid Infrastructure

by Ed Chen
December 16, 2018December 10, 2022
2 Comments

How to Build 18c RAC - 1 of 4 - Preparing Two Database Servers Suppose that you have prepared servers including two database servers, storage… Read More »

How to Create a ASM Disk Group

by Ed Chen
December 3, 2018August 15, 2019

To isolate non-crucial backups from crucial data in the current disk group DATA, a separate new disk group with new disks is needed to put… Read More »

How to Resolve ASM Disks Not Visible

by Ed Chen
October 12, 2018December 10, 2022
6 Comments

Requirements for Disk Discovery There're several requirements for disks to be discovered: 1. Right Device Type For 11g or later, only block devices leading by… Read More »

Why OracleASM ListDisks Not Showing Disks

by Ed Chen
October 6, 2018December 10, 2022

ASMLib Scanned Nothing on Boot-Time ASMLib seems to be started too soon to scan iSCSI disks which may not be ready on boot in Enterprise… Read More »

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