ORA-15335: ASM metadata corruption detected in disk group ‘DATA’

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标题:ORA-15335: ASM metadata corruption detected in disk group ‘DATA’

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asm磁盘组增加磁盘进行扩容之后报ORA-15335: ASM metadata corruption detected in disk group ‘DATA’和ORA-15196: invalid ASM block header [kfc.c:26368] [check_kfbh] [2147483648] [7] [2183628676 != 686982479],磁盘组dismount,然后mount之后立马dismount掉.

Tue Jun 29 09:19:09 2021
SQL> ALTER DISKGROUP DATA ADD  DISK '/dev/raw/raw5' SIZE 102400M /* ASMCA */ 
NOTE: GroupBlock outside rolling migration privileged region
NOTE: Assigning number (2,1) to disk (/dev/raw/raw5)
NOTE: requesting all-instance membership refresh for group=2
NOTE: initializing header on grp 2 disk DATA_0001
NOTE: requesting all-instance disk validation for group=2
Tue Jun 29 09:19:11 2021
NOTE: skipping rediscovery for group 2/0xb0c845ce (DATA) on local instance.
NOTE: requesting all-instance disk validation for group=2
NOTE: skipping rediscovery for group 2/0xb0c845ce (DATA) on local instance.
NOTE: initiating PST update: grp = 2
Tue Jun 29 09:19:16 2021
GMON updating group 2 at 7 for pid 27, osid 25020
NOTE: PST update grp = 2 completed successfully 
NOTE: membership refresh pending for group 2/0xb0c845ce (DATA)
GMON querying group 2 at 8 for pid 18, osid 3852
NOTE: cache opening disk 1 of grp 2: DATA_0001 path:/dev/raw/raw5
NOTE: Attempting voting file refresh on diskgroup DATA
NOTE: Refresh completed on diskgroup DATA. No voting file found.
GMON querying group 2 at 9 for pid 18, osid 3852
SUCCESS: refreshed membership for 2/0xb0c845ce (DATA)
Tue Jun 29 09:19:20 2021
SUCCESS: ALTER DISKGROUP DATA ADD  DISK '/dev/raw/raw5' SIZE 102400M /* ASMCA */
NOTE: starting rebalance of group 2/0xb0c845ce (DATA) at power 1
Starting background process ARB0
Tue Jun 29 09:19:21 2021
ARB0 started with pid=33, OS id=25176 
NOTE: assigning ARB0 to group 2/0xb0c845ce (DATA) with 1 parallel I/O
cellip.ora not found.
Tue Jun 29 09:19:24 2021
NOTE: Attempting voting file refresh on diskgroup DATA
NOTE: Refresh completed on diskgroup DATA. No voting file found.
Tue Jun 29 09:19:46 2021
WARNING: cache read  a corrupt block: group=2(DATA) dsk=0 blk=7 disk=0 (DATA_0000) incarn=3915953476 au=0 blk=7 count=1
Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_arb0_25176.trc:
ORA-15196: invalid ASM block header [kfc.c:26368] [check_kfbh] [2147483648] [7] [2183628676 != 686982479]
NOTE: a corrupted block from group DATA was dumped to /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_arb0_25176.trc
Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_arb0_25176.trc:
ORA-15196: invalid ASM block header [kfc.c:26368] [check_kfbh] [2147483648] [7] [2183628676 != 686982479]
ORA-15196: invalid ASM block header [kfc.c:26368] [check_kfbh] [2147483648] [7] [2183628676 != 686982479]
ERROR: cache failed to read group=2(DATA) dsk=0 blk=7 from disk(s): 0(DATA_0000)
ORA-15196: invalid ASM block header [kfc.c:26368] [check_kfbh] [2147483648] [7] [2183628676 != 686982479]
ORA-15196: invalid ASM block header [kfc.c:26368] [check_kfbh] [2147483648] [7] [2183628676 != 686982479]
NOTE: cache initiating offline of disk 0 group DATA
NOTE: process _arb0_+asm1 (25176) initiating offline of disk 0.3915953476 (DATA_0000) with mask 0x7e in group 2
NOTE: initiating PST update: grp = 2, dsk = 0/0xe968b544, mask = 0x6a, op = clear
Tue Jun 29 09:19:46 2021
GMON updating disk modes for group 2 at 10 for pid 33, osid 25176
ERROR: Disk 0 cannot be offlined, since diskgroup has external redundancy.
ERROR: too many offline disks in PST (grp 2)
Tue Jun 29 09:19:46 2021
NOTE: cache dismounting (not clean) group 2/0xB0C845CE (DATA) 
NOTE: messaging CKPT to quiesce pins Unix process pid: 25395, image: oracle@frsrac1 (B000)
Tue Jun 29 09:19:46 2021
NOTE: halting all I/Os to diskgroup 2 (DATA)
Tue Jun 29 09:19:46 2021
NOTE: LGWR doing non-clean dismount of group 2 (DATA)
NOTE: LGWR sync ABA=11.10715 last written ABA 11.10715
WARNING: Offline for disk DATA_0000 in mode 0x7f failed.
Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_arb0_25176.trc  (incident=54665):
ORA-15335: ASM metadata corruption detected in disk group 'DATA'
ORA-15130: diskgroup "DATA" is being dismounted
ORA-15066: offlining disk "DATA_0000" in group "DATA" may result in a data loss
ORA-15196: invalid ASM block header [kfc.c:26368] [check_kfbh] [2147483648] [7] [2183628676 != 686982479]
ORA-15196: invalid ASM block header [kfc.c:26368] [check_kfbh] [2147483648] [7] [2183628676 != 686982479]
Incident details in: /u01/app/grid/diag/asm/+asm/+ASM1/incident/incdir_54665/+ASM1_arb0_25176_i54665.trc
Tue Jun 29 09:19:46 2021
kjbdomdet send to inst 2
detach from dom 2, sending detach message to inst 2
Tue Jun 29 09:19:46 2021
List of instances:
 1 2
Dirty detach reconfiguration started (new ddet inc 1, cluster inc 24)
 Global Resource Directory partially frozen for dirty detach
* dirty detach - domain 2 invalid = TRUE 
 796 GCS resources traversed, 0 cancelled
Dirty Detach Reconfiguration complete
Tue Jun 29 09:19:46 2021
WARNING: dirty detached from domain 2
NOTE: cache dismounted group 2/0xB0C845CE (DATA) 
SQL> alter diskgroup DATA dismount force /* ASM SERVER:2965915086 */ 
Tue Jun 29 09:19:47 2021
ERROR: ORA-15130 thrown in ARB0 for group number 2
Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_arb0_25176.trc:
ORA-15130: diskgroup "DATA" is being dismounted
ORA-15335: ASM metadata corruption detected in disk group 'DATA'
ORA-15130: diskgroup "DATA" is being dismounted
ORA-15066: offlining disk "DATA_0000" in group "DATA" may result in a data loss
ORA-15196: invalid ASM block header [kfc.c:26368] [check_kfbh] [2147483648] [7] [2183628676 != 686982479]
ORA-15196: invalid ASM block header [kfc.c:26368] [check_kfbh] [2147483648] [7] [2183628676 != 686982479]
Tue Jun 29 09:19:47 2021
NOTE: stopping process ARB0
Tue Jun 29 09:19:47 2021
Sweep [inc][54665]: completed
Tue Jun 29 09:19:47 2021
Sweep [inc2][54665]: completed
NOTE: cache deleting context for group DATA 2/0xb0c845ce
Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_rbal_3852.trc:
ORA-15130: diskgroup "DATA" is being dismounted
GMON dismounting group 2 at 11 for pid 27, osid 25395
NOTE: Disk DATA_0000 in mode 0x7f marked for de-assignment
NOTE: Disk DATA_0001 in mode 0x7f marked for de-assignment
SUCCESS: diskgroup DATA was dismounted
SUCCESS: alter diskgroup DATA dismount force /* ASM SERVER:2965915086 */

通过kfed分析报错block,确认错误

kfbh.endian:                          1 ; 0x000: 0x01
kfbh.hard:                          130 ; 0x001: 0x82
kfbh.type:                            3 ; 0x002: KFBTYP_ALLOCTBL
kfbh.datfmt:                          2 ; 0x003: 0x02
kfbh.block.blk:                       7 ; 0x004: blk=7
kfbh.block.obj:              2147483648 ; 0x008: disk=0
kfbh.check:                  2183628676 ; 0x00c: 0x82278784 <<======该值错误,应该为:686982479
kfbh.fcn.base:                     3430 ; 0x010: 0x00000d66
kfbh.fcn.wrap:                        0 ; 0x014: 0x00000000
kfbh.spare1:                          0 ; 0x018: 0x00000000
kfbh.spare2:                          0 ; 0x01c: 0x00000000
kfdatb.aunum:                      2240 ; 0x000: 0x000008c0
kfdatb.shrink:                      448 ; 0x004: 0x01c0
kfdatb.ub2pad:                        0 ; 0x006: 0x0000

通过修复该错误,并且禁止reblance操作[增加磁盘数据需要重新分布],mount磁盘组,然后open库,发现redo已经被覆盖(非归档),强制打开库报错

SQL> alter database open resetlogs;
alter database open resetlogs
*
ERROR at line 1:
ORA-00603: ORACLE server session terminated by fatal error
ORA-00600: internal error code, arguments: [2662], [0], [2691201882], [0],
[2691227745], [12583040], [], [], [], [], [], []
ORA-00600: internal error code, arguments: [2662], [0], [2691201881], [0],
[2691227745], [12583040], [], [], [], [], [], []
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-00600: internal error code, arguments: [2662], [0], [2691201879], [0],
[2691227745], [12583040], [], [], [], [], [], []
Process ID: 25110
Session ID: 287 Serial number: 3

通过对scn进行处理,数据库顺利open

SQL> startup mount pfile='/tmp/pfile';
ORACLE instance started.

Total System Global Area 5044088832 bytes
Fixed Size		    2261928 bytes
Variable Size		 1442843736 bytes
Database Buffers	 3590324224 bytes
Redo Buffers		    8658944 bytes
Database mounted.
SQL> alter database open;

Database altered.