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Unable to Mount the Diskgroup due to ORA-15203 (Doc ID 2384815.1)

Last updated on JANUARY 09, 2023

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

++ After performing the disk snapshot/reboot/patching/storage maintenance, the diskgroup fails to mount due to  ORA-15203. 

 

SQL> ALTER DISKGROUP ENBDEMP_DATA MOUNT  /* asm agent *//* {0:9:13} */
NOTE: cache registered group ENBDEMP_DATA number=1 incarn=0x7ccac1e4
NOTE: cache began mount (first) of group ENBDEMP_DATA number=1 incarn=0x7ccac1e4
NOTE: Assigning number (1,14) to disk (/dev/rdsk/c2d18s3)
NOTE: Assigning number (1,15) to disk (/dev/rdsk/c2d19s3)
NOTE: Assigning number (1,16) to disk (/dev/rdsk/c2d20s3)
NOTE: Assigning number (1,17) to disk (/dev/rdsk/c2d21s3)
NOTE: Assigning number (1,18) to disk (/dev/rdsk/c2d22s3)
NOTE: cache dismounting (clean) group 1/0x7CCAC1E4 (ENBDEMP_DATA)
NOTE: messaging CKPT to quiesce pins Unix process pid: 12665, image: oracle@useghrms2d (TNS V1-V3)
NOTE: dbwr not being msg'd to dismount
NOTE: lgwr not being msg'd to dismount
NOTE: cache dismounted group 1/0x7CCAC1E4 (ENBDEMP_DATA)
NOTE: cache ending mount (fail) of group ENBDEMP_DATA number=1 incarn=0x7ccac1e4
NOTE: cache deleting context for group ENBDEMP_DATA 1/0x7ccac1e4
Tue Apr 10 11:52:58 2018
GMON dismounting group 1 at 10 for pid 18, osid 12665
NOTE: Disk ENBDEMP_DATA_0014 in mode 0x9 marked for de-assignment
NOTE: Disk ENBDEMP_DATA_0015 in mode 0x9 marked for de-assignment
NOTE: Disk ENBDEMP_DATA_0016 in mode 0x9 marked for de-assignment
NOTE: Disk ENBDEMP_DATA_0017 in mode 0x9 marked for de-assignment
NOTE: Disk ENBDEMP_DATA_0018 in mode 0x9 marked for de-assignment

ERROR: diskgroup ENBDEMP_DATA was not mounted
ORA-15032: not all alterations performed
ORA-15203: diskgroup ENBDEMP_DATA contains disks from an incompatible version of ASM
ERROR: ALTER DISKGROUP ENBDEMP_DATA MOUNT  /* asm agent *//* {0:9:13} */

 

++When we check further, v$asm_disk HEADER_STATUS shows INCOMPATIBLE for some disks.


0 14 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d30s3
0 15 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d31s3
0 16 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d32s3
0 17 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d33s3
0 18 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d34s3
0 19 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d35s3
0 20 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d36s3
0 21 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d37s3
0 22 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d38s3
0 23 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d39s3
0 25 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d40s3
0 26 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d41s3
0 27 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d42s3
0 28 CLOSED INCOMPATIBLE ONLINE NORMAL 307140 0 0 /dev/rdsk/c2d43s3

Changes

 Disk snapshot or Reboot or other OS level maintenance activity

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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