Oracle ASM is a storage management solution for Oracle databases and clusters providing volume management and a filesystem,

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ASM Diskgroup Creation Issue

I have 6, two node RAC databases running in the two physical servers. While I try to create new diskgroup, I get the following error: ORA-15018: diskgroup cannot be created ORA-04031: unable to ...
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Oracle ASM vs RAID 10

I have oracle ASM 11gR2 on oracle linux 5.8 and i want to install oracle database. I have some disks and i want to use the redundancy strategies of oracle ASM or RAID 10 . I do not know which one is ...
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Migration query - Oracle

I have two physical servers, hosting 6 two node RAC databases running in 11.2.0.3 version (both grid and database). I'm told to have the grid software in 11.2.0.4 version and the databases in the ...
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ASM and IPv6 Compatibility

In the whitepaper mentioned below, Under 'Limitations' it says ASM and fan based notifications are not supported by IPv6 in Oracle. I'm just curious what ASM has to do with ipv4 or ipv6 or ipv4? ASM ...
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ASM Query - Oracle 11gR2

I have two node RAC servers hosting 4 databases running on 11.2.0.3 version in RHEL OS. The underlying LUNs assigned to the ASM is not currently multipathed, meaning the disk sequence would change ...
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Query on Asmlib

I have Oracle Linux running on vmware hosting an Oracle database with ASM (single instance). There isn't any operating system device persistence and therefore whenever my OS reboots, the disk number ...
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Backup files not found in ASM

I have an Oracle database 11gr2 and I have installed Oracle Grid on Oracle Linux 5.9. I have two disk groups. /etc/init.d/oracleasm listdisks : flash_recovery_area DATA The first disk group is ...
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Cannot install Oracle Grid on Oracle Linux 6.4

I have an Oracle database 11gr2 and I want to install Oracle Grid on Oracle Linux 6.4. At first, I have installed Oracle Grid with the tutorial on this website: https://eudba.wordpress.com/2012/08/...
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Dropping database in RAC

I need a drop a database which is a 2 node RAC configuration and I will also be drooping the disk groups as well completely. What is the right way to drop the database + diskgroups? Will it be ok to ...
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ASM Query on Diskgroups

Platform - RHEL. Database - 11.2.0.3. I have a diskgroup name TEST with AU as 1. I need to have the diskgroup with AU as 4 therefore I decided to drop the existing DG and recreate the new one with ...
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How to backup and restore asm password file stored on ASM if ASM isn't available?

Oracle recommends backing up the ASM password file using pwcopy in ASMCMD. This would only copy it to another diksgroup. source : Backing Up and Restoring an Oracle ASM Password File in a Disk Group ...
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Email Alerting for Oracle ASM disk group storage

I'm aware of how to view ASM disk group usage through asmcmd and other methods. Is there any way to receive an alert via email through a script that I could just throw into a cronjob when a disk ...
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ASM drop disk hangs (STATE DROPPING)

I have added disk into the RAC system by the following way: I have disk /dev/sdh1. Marked it as an ASM disk: --On node 1 oracleasm createdisk DISK7 '/dev/sdh1'; --On node 2 oracleasm ...