Questions tagged [oracle-asm]

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

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ORACLE ASM present one or more LUNs?

I have the following question regarding the allocation of disks or LUNs to ASM in Oracle, specifically, I have an Oracle 18c DB in Cluster and I have created several diskgroups, now, I need to ...
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ACFSLOAD STOP not stoping - Device busy

When I try to stop the acfs I get the following error (all volumes was already disabled with voldisable -G diskgroup_name volume_name) server03:/>acfsload stop server03:/>(ucfgacfsctl): ACFS-...
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Oracle - How to find out ADVM file system type?

Is there some built-in command from Oracle to find out ADVM file system type? I was looking for it in advmutil command or acfsutil command. But I don't find anything. In Linux usually I use file -s [...
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ASM filter drive not starting automatically

After migrate from asmlib to asm filter drive using the Doc ID 2172754.1 the ASM Filter drive not start automatically and I always need configure again using asmcmd afd_configure command to start it ...
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1answer
336 views

Direct, simple SQL query results in “ORA-01406: fetched column value was truncated”

All the information I've seen on this issue is always in regards to running a query via some other utility (e.g. TOAD); however, I am seeing this issue when I simply try to select * from v$asm_disk; ...
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154 views

Dataguard the datafiles are created in another diskgroup

I have a recently made physical dataguard configuration and everything works correctly so far, but I've noticed that the datafiles that are created in the primary are created in the standby in a ...
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1answer
729 views

ASMCA(ASM Configuration Assistant) GUI is not rendering properly

Hi Gurus, While running ASMCA utility on OEL 7.5, Oracle is not able to render the GUI of the tool. I clicked on exit button and next screen comes as a vertical line (Screen attached above).No option ...
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1answer
2k views

Oracle ASM: Freeing up space

Oracle RAC 11.2 with asm storage, all type = EXTERN redundancy. I've been cleaning up some tablespaces and shrinking datafiles back down to sizes that they're not likely to grow much larger than (...
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457 views

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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602 views

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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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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216 views

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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799 views

ASM File System type

What is the underlying file system in ASM if exists? I have gone through many sites but neither of them answers my question directly rather each site I visisted raises a different point like 'ASM uses ...
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403 views

Striping IO with datafiles on different physical mounts

I have a server with three directly attached disk controllers. Each of these can provide internal redundancy and IO-striping accross disks, but I'm wondering what is the best way to configure the ...
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8k views

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 createdisk ...
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ASM Space Usage

Oracle Version: 12.1.0.2 I had about 100 GB freespace on my +ASM diskgroup on Friday. When I came back on Monday, I see only 45 gigs. How can I find what consumed my space? Or is there a SQLPlus ...
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394 views

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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277 views

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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