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标签归档:asm disk ext3
再一起asm disk被格式化成ext3文件系统故障恢复
国庆节前夕接到朋友求救电话asm disk被格式化成ext3格式了,具体操作如下
并且把这个分区直接挂载到/目录
由于/被挂载新格式化的控盘,导致asm磁盘组访问其他盘报错
Sun Sep 29 18:15:02 2019 Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_b000_8094.trc: ORA-15025: could not open disk "/dev/asmdisk/sdh" ORA-27041: unable to open file Linux-x86_64 Error: 2: No such file or directory Additional information: 3 Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_b000_8094.trc: ORA-15025: could not open disk "/dev/asmdisk/sdh" ORA-27041: unable to open file Linux-x86_64 Error: 2: No such file or directory Additional information: 3 WARNING: cache failed reading from group=1(DATA) fn=9 blk=0 count=1 from disk= 5 (DATA_0005) kfkist=0x20 status=0x02 osderr=0x0 file=kfc.c line=11596 Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_b000_8094.trc: ORA-15025: could not open disk "/dev/asmdisk/sdh" ORA-27041: unable to open file Linux-x86_64 Error: 2: No such file or directory Additional information: 3 ORA-15080: synchronous I/O operation to a disk failed WARNING: cache succeeded reading from group=1(DATA) fn=9 blk=0 count=1 from disk= 7 (DATA_0007) kfkist=0x20 status=0x01 osderr=0x0 file=kfc.c line=11637 Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_b000_8094.trc: ORA-15025: could not open disk "/dev/asmdisk/sdh" ORA-27041: unable to open file Linux-x86_64 Error: 2: No such file or directory Additional information: 3 WARNING: PST-initiated drop of 1 disk(s) in group 1(.2380027701))
重启系统之后,重试mount 磁盘组
GMON dismounting group 1 at 18 for pid 31, osid 44279 NOTE: Disk DATA_0000 in mode 0x7f marked for de-assignment NOTE: Disk DATA_0001 in mode 0x7f marked for de-assignment NOTE: Disk DATA_0002 in mode 0x7f marked for de-assignment NOTE: Disk DATA_0003 in mode 0x7f marked for de-assignment NOTE: Disk DATA_0004 in mode 0x1 marked for de-assignment NOTE: Disk DATA_0005 in mode 0x7f marked for de-assignment NOTE: Disk DATA_0006 in mode 0x7f marked for de-assignment NOTE: Disk DATA_0007 in mode 0x7f marked for de-assignment NOTE: Disk in mode 0x7f marked for de-assignment NOTE: Disk DATA_0009 in mode 0x7f marked for de-assignment NOTE: Disk DATA_0010 in mode 0x7f marked for de-assignment NOTE: Disk DATA_0011 in mode 0x7f marked for de-assignment NOTE: Disk DATA_0012 in mode 0x7f marked for de-assignment NOTE: Disk DATA_0013 in mode 0x7f marked for de-assignment NOTE: Disk DATA_0014 in mode 0x7f marked for de-assignment ERROR: diskgroup DATA was not mounted ORA-15032: not all alterations performed ORA-15040: diskgroup is incomplete ORA-15042: ASM disk "8" is missing from group number "1" ERROR: ALTER DISKGROUP DATA MOUNT /* asm agent *//* {1:2587:2} */
由于sdb(asm disk 8)被格式化,导致data磁盘组无法正常mount.这个客户运气比较好data 磁盘组是normal模式,但是由于mount到/,导致disk 4被强制drop,因此无法mount成功,但是通过一系列处理数据实现完美恢复,0数据丢失
如果磁盘组是外部冗余,请参考:
又一例asm格式化文件系统恢复
一次完美的asm disk被格式化ntfs恢复
oracle asm disk格式化恢复—格式化为ext4文件系统
oracle asm disk格式化恢复—格式化为ntfs文件系统