cannot mount ASM disk

Posted by Sayid Osman on Sep 21, 2017; 11:09am
URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/cannot-mount-ASM-disk-tp3539.html

Hello Erman,

I am having problem when i try to mount ASM disk. I got following error when i try alter diskgroup DATA mount.  I rebooted machine but i got same error.


ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15040: diskgroup is incomplete
ORA-15042: ASM disk "2" is missing from group number "2"
ORA-15042: ASM disk "1" is missing from group number "2"

I can see my disks with following commands.

[oracle@erppreprod ~]$ oracleasm listdisks
DATAERP
FRA
 
[oracle@erppreprod ~]$ oracleasm status
Checking if ASM is loaded: yes
Checking if /dev/oracleasm is mounted: yes
 
[oracle@erppreprod /]$ ll /dev/oracleasm/disks/
total 0
brw-rw---- 1 oracle oinstall 8, 33 Sep 19 11:40 DATAERP
brw-rw---- 1 oracle oinstall 8, 49 Sep 19 11:40 FRA