Category: Oracle ASM

ASM Not starting after changing the Hostname or IP Address of the Server

I just wanted to share my small experience with ASM. In our organization, the OS Admins changed the Hostname of one our database servers where Grid Infrastructure is installed. But after changing it, ASM services were not able to start. So here is the scenario and try outs of mine,.

Changing HOSTNAME and IP ADDRESS in GI (Standby Alone Server)

SERVER1:/usr2/oracle />hostname SERVER1-OLD
hostname: 0821-267 The sethostname system call failed.
: Operation not permitted.
SERVER1:/usr2/oracle />hostname SERVER1-OLD
hostname: 0821-267 The sethostname system call failed.
: Operation not permitted.
SERVER1:/usr2/oracle />hostname
SERVER1-OLD

SERVER1:/usr2/oracle />crsctl start has
SERVER1:/usr2/oracle />crsctl check has
CRS-4639: Could not contact Oracle High Availability Services

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Unable to Drop ASM DiskGroup Giving ORA-15027

SCENARIO:

When I tried to remove all the contents of a database using ASM I encountered an error from asmca. Even tried with sqlplus and ended up with the same below error.

ERROR at line 1:
ORA-15039: diskgroup not dropped
ORA-15027: active use of diskgroup “DATAGRP1” precludes its dismount

REASON:

ASM parameter file was residing in the Diskgroup DATAGRP1. This was the reason behind.
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Unable to Drop ASM DiskGroup Giving ORA-15027

Unable to Drop ASM DiskGroup Giving ORA-15027

SCENARIO:

When I tried to remove all the contents of a database using ASM I encountered an error from asmca. Even tried with sqlplus and ended up with the same below error.

ERROR at line 1:
ORA-15039: diskgroup not dropped
ORA-15027: active use of diskgroup “DATAGRP1” precludes its dismount
Continue reading…