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有客户由于存储控制器损坏,修复控制器之后,asm无法正常mount,报ORA-600 kfrValAcd30错误,让我们提供技术支持
asm alert日志报错
Wed Apr 03 16:50:57 2019 SQL> alter diskgroup data mount NOTE: cache registered group DATA number=1 incarn=0x14248741 NOTE: cache began mount (first) of group DATA number=1 incarn=0x14248741 NOTE: Assigning number (1,0) to disk (ORCL:DATAVOL1) Wed Apr 03 16:51:03 2019 NOTE: start heartbeating (grp 1) kfdp_query(DATA): 15 kfdp_queryBg(): 15 NOTE: cache opening disk 0 of grp 1: DATAVOL1 label:DATAVOL1 NOTE: F1X0 found on disk 0 au 2 fcn 0.0 NOTE: cache mounting (first) external redundancy group 1/0x14248741 (DATA) Wed Apr 03 16:51:04 2019 * allocate domain 1, invalid = TRUE Wed Apr 03 16:51:04 2019 NOTE: attached to recovery domain 1 NOTE: starting recovery of thread=1 ckpt=27.2697 group=1 (DATA) Errors in file /u01/app/grid/diag/asm/+asm/+ASM2/trace/+ASM2_ora_15951.trc (incident=23394): ORA-00600: internal error code, arguments: [kfrValAcd30], [DATA], [1], [27], [2697], [28], [2697], [], [], [], [], [] Incident details in: /u01/app/grid/diag/asm/+asm/+ASM2/incident/incdir_23394/+ASM2_ora_15951_i23394.trc Abort recovery for domain 1 NOTE: crash recovery signalled OER-600 ERROR: ORA-600 signalled during mount of diskgroup DATA ORA-00600: internal error code, arguments: [kfrValAcd30], [DATA], [1], [27], [2697], [28], [2697], [], [], [], [], [] ERROR: alter diskgroup data mount NOTE: cache dismounting (clean) group 1/0x14248741 (DATA) NOTE: lgwr not being msg'd to dismount freeing rdom 1 Wed Apr 03 16:51:05 2019 Sweep [inc][23394]: completed Sweep [inc2][23394]: completed Wed Apr 03 16:51:05 2019 Trace dumping is performing id=[cdmp_20190403165105] NOTE: detached from domain 1 NOTE: cache dismounted group 1/0x14248741 (DATA) NOTE: cache ending mount (fail) of group DATA number=1 incarn=0x14248741 kfdp_dismount(): 16 kfdp_dismountBg(): 16 NOTE: De-assigning number (1,0) from disk (ORCL:DATAVOL1) ERROR: diskgroup DATA was not mounted NOTE: cache deleting context for group DATA 1/337938241
mos相关记录
参考:ORA-600 [KFRVALACD30] in ASM (Doc ID 2123013.1)
ORA-00600: internal error code, arguments: [kfrValAcd30]可能是bug或者硬件故障导致.基于客户的情况,最大可能就是由于硬件故障导致asm 磁盘组的acd无法正常进行,从而无法mount成功.如果运气好,通过kfed相关修复可以正常mount成功,运气不好可以通过底层进行恢复数据文件,从而最大限度恢复数据.
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