标签归档:exadata磁盘组恢复

Exadata磁盘损坏导致磁盘组无法mount恢复(oracle一体机磁盘组异常恢复)

Oracle Exadata客户,在换盘过程中,cell节点又一块磁盘损坏,导致datac1磁盘组(该磁盘组是normal方式冗余)无法mount

Thu Jul 20 22:01:21 2023
SQL> alter diskgroup datac1 mount force 
NOTE: cache registered group DATAC1 number=1 incarn=0x0728ad12
NOTE: cache began mount (first) of group DATAC1 number=1 incarn=0x0728ad12
NOTE: Assigning number (1,35) to disk (o/192.168.10.9;192.168.10.10/DATAC1_CD_11_dm01celadm03)
NOTE: Assigning number (1,31) to disk (o/192.168.10.9;192.168.10.10/DATAC1_CD_07_dm01celadm03)
NOTE: Assigning number (1,24) to disk (o/192.168.10.9;192.168.10.10/DATAC1_CD_00_dm01celadm03)
NOTE: Assigning number (1,25) to disk (o/192.168.10.9;192.168.10.10/DATAC1_CD_01_dm01celadm03)
NOTE: Assigning number (1,27) to disk (o/192.168.10.9;192.168.10.10/DATAC1_CD_03_dm01celadm03)
NOTE: Assigning number (1,33) to disk (o/192.168.10.9;192.168.10.10/DATAC1_CD_09_dm01celadm03)
NOTE: Assigning number (1,30) to disk (o/192.168.10.9;192.168.10.10/DATAC1_CD_06_dm01celadm03)
NOTE: Assigning number (1,28) to disk (o/192.168.10.9;192.168.10.10/DATAC1_CD_04_dm01celadm03)
NOTE: Assigning number (1,26) to disk (o/192.168.10.9;192.168.10.10/DATAC1_CD_02_dm01celadm03)
NOTE: Assigning number (1,1) to disk (o/192.168.10.9;192.168.10.10/DATAC1_CD_08_dm01celadm03)
NOTE: Assigning number (1,34) to disk (o/192.168.10.9;192.168.10.10/DATAC1_CD_10_dm01celadm03)
NOTE: Assigning number (1,29) to disk (o/192.168.10.9;192.168.10.10/DATAC1_CD_05_dm01celadm03)
NOTE: Assigning number (1,3) to disk (o/192.168.10.7;192.168.10.8/DATAC1_CD_07_dm01celadm02)
NOTE: Assigning number (1,4) to disk (o/192.168.10.7;192.168.10.8/DATAC1_CD_06_dm01celadm02)
NOTE: Assigning number (1,5) to disk (o/192.168.10.7;192.168.10.8/DATAC1_CD_00_dm01celadm02)
NOTE: Assigning number (1,6) to disk (o/192.168.10.7;192.168.10.8/DATAC1_CD_10_dm01celadm02)
NOTE: Assigning number (1,7) to disk (o/192.168.10.7;192.168.10.8/DATAC1_CD_08_dm01celadm02)
NOTE: Assigning number (1,8) to disk (o/192.168.10.7;192.168.10.8/DATAC1_CD_03_dm01celadm02)
NOTE: Assigning number (1,9) to disk (o/192.168.10.7;192.168.10.8/DATAC1_CD_11_dm01celadm02)
NOTE: Assigning number (1,10) to disk (o/192.168.10.7;192.168.10.8/DATAC1_CD_01_dm01celadm02)
NOTE: Assigning number (1,11) to disk (o/192.168.10.7;192.168.10.8/DATAC1_CD_04_dm01celadm02)
NOTE: Assigning number (1,21) to disk (o/192.168.10.7;192.168.10.8/DATAC1_CD_05_dm01celadm02)
NOTE: Assigning number (1,43) to disk (o/192.168.10.7;192.168.10.8/DATAC1_CD_02_dm01celadm02)
NOTE: Assigning number (1,36) to disk (o/192.168.10.5;192.168.10.6/DATAC1_CD_07_dm01celadm01)
NOTE: Assigning number (1,37) to disk (o/192.168.10.5;192.168.10.6/DATAC1_CD_09_dm01celadm01)
NOTE: Assigning number (1,38) to disk (o/192.168.10.5;192.168.10.6/DATAC1_CD_11_dm01celadm01)
NOTE: Assigning number (1,0) to disk (o/192.168.10.5;192.168.10.6/DATAC1_CD_08_dm01celadm01)
NOTE: Assigning number (1,40) to disk (o/192.168.10.5;192.168.10.6/DATAC1_CD_00_dm01celadm01)
NOTE: Assigning number (1,41) to disk (o/192.168.10.5;192.168.10.6/DATAC1_CD_03_dm01celadm01)
NOTE: Assigning number (1,42) to disk (o/192.168.10.5;192.168.10.6/DATAC1_CD_06_dm01celadm01)
NOTE: Assigning number (1,44) to disk (o/192.168.10.5;192.168.10.6/DATAC1_CD_05_dm01celadm01)
NOTE: Assigning number (1,45) to disk (o/192.168.10.5;192.168.10.6/DATAC1_CD_01_dm01celadm01)
NOTE: Assigning number (1,46) to disk (o/192.168.10.5;192.168.10.6/DATAC1_CD_02_dm01celadm01)
NOTE: Assigning number (1,47) to disk (o/192.168.10.5;192.168.10.6/DATAC1_CD_10_dm01celadm01)
NOTE: Assigning number (1,2) to disk (o/192.168.10.5;192.168.10.6/DATAC1_CD_04_dm01celadm01)
Thu Jul 20 22:01:28 2023
NOTE: GMON heartbeating for grp 1
GMON querying group 1 at 450 for pid 30, osid 171838
NOTE: Assigning number (1,32) to disk ()
NOTE: Assigning number (1,39) to disk ()
GMON querying group 1 at 451 for pid 30, osid 171838
NOTE: cache closing disk 32 of grp 1: (not open) 
NOTE: process _user171838_+asm1 (171838) 
     initiating offline of disk 39.3915945266 () with mask 0x7e[0x7f] in group 1
NOTE: initiating PST update: grp = 1, dsk = 39/0xe9689532, mask = 0x6a, op = clear
GMON updating disk modes for group 1 at 452 for pid 30, osid 171838
NOTE: cache closing disk 32 of grp 1: (not open) 
ERROR: Disk 39 cannot be offlined, since all the disks [39, 32] with mirrored data would be offline.
ERROR: too many offline disks in PST (grp 1)
WARNING: Offline for disk  in mode 0x7f failed.
NOTE: cache dismounting (not clean) group 1/0x0728AD12 (DATAC1) 
NOTE: messaging CKPT to quiesce pins Unix process pid: 171838, image: oracle@dm01dbadm01.gyzq.cn (TNS V1-V3)
NOTE: dbwr not being msg'd to dismount
NOTE: lgwr not being msg'd to dismount
NOTE: cache dismounted group 1/0x0728AD12 (DATAC1) 
NOTE: cache ending mount (fail) of group DATAC1 number=1 incarn=0x0728ad12
NOTE: cache deleting context for group DATAC1 1/0x0728ad12
NOTE: cache closing disk 32 of grp 1: (not open) 
GMON dismounting group 1 at 453 for pid 30, osid 171838
NOTE: Disk DATAC1_CD_08_DM01CELADM01 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_08_DM01CELADM03 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_04_DM01CELADM01 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_07_DM01CELADM02 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_06_DM01CELADM02 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_00_DM01CELADM02 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_10_DM01CELADM02 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_08_DM01CELADM02 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_03_DM01CELADM02 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_11_DM01CELADM02 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_01_DM01CELADM02 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_04_DM01CELADM02 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_05_DM01CELADM02 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_00_DM01CELADM03 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_01_DM01CELADM03 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_02_DM01CELADM03 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_03_DM01CELADM03 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_04_DM01CELADM03 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_05_DM01CELADM03 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_06_DM01CELADM03 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_07_DM01CELADM03 in mode 0x7f marked for de-assignment
NOTE: Disk  in mode 0x1 marked for de-assignment
NOTE: Disk DATAC1_CD_09_DM01CELADM03 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_10_DM01CELADM03 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_11_DM01CELADM03 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_07_DM01CELADM01 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_09_DM01CELADM01 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_11_DM01CELADM01 in mode 0x7f marked for de-assignment
NOTE: Disk  in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_00_DM01CELADM01 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_03_DM01CELADM01 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_06_DM01CELADM01 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_02_DM01CELADM02 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_05_DM01CELADM01 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_01_DM01CELADM01 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_02_DM01CELADM01 in mode 0x7f marked for de-assignment
NOTE: Disk DATAC1_CD_10_DM01CELADM01 in mode 0x7f marked for de-assignment
ERROR: diskgroup DATAC1 was not mounted
ORA-15032: not all alterations performed
ORA-15040: diskgroup is incomplete
ORA-15066: offlining disk "39" in group "DATAC1" may result in a data loss
ORA-15042: ASM disk "39" is missing from group number "1" 
ORA-15042: ASM disk "32" is missing from group number "1" 
ERROR: alter diskgroup datac1 mount force

故障原因是由于asm disk 32还已经损坏在换盘过程中(数据没有reblance完成),又损坏了asm disk 39,而这两份磁盘中有数据互为镜像,因此磁盘组无法正常mount起来.

检查cell节点celldisk和griddisk情况,确认底层磁盘损坏
cellcli


对于这种情况,因为normal冗余的两份数据都有部分丢失,无法直接恢复数据,通过底层磁盘级别恢复(参考以前一次的Oracle exadata故障恢复:Oracle Exadata坏盘导致磁盘组无法mount恢复),然后比较顺利恢复数据,实现业务数据0丢失

SQL> alter datac1 mount;

Diskgroup altered.

SQL> alter diskgroup datac1 check all;

Diskgroup altered.

多套库顺利open成功
20230728124241


在实际恢复过程中由于客户进行了各种尝试,直接新镜像盘然后插入新盘,强制拉磁盘组drop异常disk操作等,导致第一现场发生一些破坏,增加了恢复难道,但是最终通过各种方法弥补,实现了预期的恢复效果(业务数据0丢失)

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Oracle Exadata坏盘导致磁盘组无法mount恢复

接到朋友求救有客户oracle exadata一体机 的 asm磁盘组无法mount,希望我们提供恢复支持服务
经过分析和了解,大致问题是:磁盘空间已经超容量使用(部分数据不能完成ASM镜像),最近又损坏一块盘,导致asm 磁盘组无法mount。我们分析后,通过重构exadata celldisk数据,将asm 磁盘组 mount成功后,实现五套数据库全部open成功(由于底层磁盘部分数据损坏,导致部分数据访问报错,需要在oracle层面进行处理)。

本次问题的具体分析和处理如下:
存放数据库文件的磁盘组不能mount

Wed Dec 12 21:29:04 2018
SQL> alter diskgroup DATA_XFF mount force 
NOTE: cache registered group DATA_XFF number=1 incarn=0x5fe882cb
NOTE: cache began mount (first) of group DATA_XFF number=1 incarn=0x5fe882cb
NOTE: Assigning number (1,36) to disk (o/192.168.10.5/DATA_XFF_CD_11_XFFCEL03)
NOTE: Assigning number (1,34) to disk (o/192.168.10.5/DATA_XFF_CD_10_XFFCEL03)
NOTE: Assigning number (1,37) to disk (o/192.168.10.5/DATA_XFF_CD_04_XFFCEL03)
NOTE: Assigning number (1,38) to disk (o/192.168.10.5/DATA_XFF_CD_00_XFFCEL03)
NOTE: Assigning number (1,39) to disk (o/192.168.10.5/DATA_XFF_CD_03_XFFCEL03)
NOTE: Assigning number (1,40) to disk (o/192.168.10.5/DATA_XFF_CD_05_XFFCEL03)
NOTE: Assigning number (1,41) to disk (o/192.168.10.5/DATA_XFF_CD_08_XFFCEL03)
NOTE: Assigning number (1,42) to disk (o/192.168.10.5/DATA_XFF_CD_01_XFFCEL03)
NOTE: Assigning number (1,43) to disk (o/192.168.10.5/DATA_XFF_CD_09_XFFCEL03)
NOTE: Assigning number (1,44) to disk (o/192.168.10.5/DATA_XFF_CD_06_XFFCEL03)
NOTE: Assigning number (1,45) to disk (o/192.168.10.5/DATA_XFF_CD_07_XFFCEL03)
NOTE: Assigning number (1,46) to disk (o/192.168.10.5/DATA_XFF_CD_02_XFFCEL03)
NOTE: Assigning number (1,22) to disk (o/192.168.10.4/DATA_XFF_CD_10_XFFCEL02)
NOTE: Assigning number (1,18) to disk (o/192.168.10.4/DATA_XFF_CD_06_XFFCEL02)
NOTE: Assigning number (1,19) to disk (o/192.168.10.4/DATA_XFF_CD_07_XFFCEL02)
NOTE: Assigning number (1,15) to disk (o/192.168.10.4/DATA_XFF_CD_03_XFFCEL02)
NOTE: Assigning number (1,20) to disk (o/192.168.10.4/DATA_XFF_CD_08_XFFCEL02)
NOTE: Assigning number (1,17) to disk (o/192.168.10.4/DATA_XFF_CD_05_XFFCEL02)
NOTE: Assigning number (1,16) to disk (o/192.168.10.4/DATA_XFF_CD_04_XFFCEL02)
NOTE: Assigning number (1,23) to disk (o/192.168.10.4/DATA_XFF_CD_11_XFFCEL02)
NOTE: Assigning number (1,12) to disk (o/192.168.10.4/DATA_XFF_CD_00_XFFCEL02)
NOTE: Assigning number (1,21) to disk (o/192.168.10.4/DATA_XFF_CD_09_XFFCEL02)
NOTE: Assigning number (1,13) to disk (o/192.168.10.4/DATA_XFF_CD_01_XFFCEL02)
NOTE: Assigning number (1,14) to disk (o/192.168.10.4/DATA_XFF_CD_02_XFFCEL02)
NOTE: Assigning number (1,1) to disk (o/192.168.10.3/DATA_XFF_CD_05_XFFCEL01)
NOTE: Assigning number (1,2) to disk (o/192.168.10.3/DATA_XFF_CD_03_XFFCEL01)
NOTE: Assigning number (1,3) to disk (o/192.168.10.3/DATA_XFF_CD_06_XFFCEL01)
NOTE: Assigning number (1,4) to disk (o/192.168.10.3/DATA_XFF_CD_09_XFFCEL01)
NOTE: Assigning number (1,5) to disk (o/192.168.10.3/DATA_XFF_CD_04_XFFCEL01)
NOTE: Assigning number (1,6) to disk (o/192.168.10.3/DATA_XFF_CD_07_XFFCEL01)
NOTE: Assigning number (1,7) to disk (o/192.168.10.3/DATA_XFF_CD_11_XFFCEL01)
NOTE: Assigning number (1,8) to disk (o/192.168.10.3/DATA_XFF_CD_01_XFFCEL01)
NOTE: Assigning number (1,9) to disk (o/192.168.10.3/DATA_XFF_CD_00_XFFCEL01)
NOTE: Assigning number (1,10) to disk (o/192.168.10.3/DATA_XFF_CD_10_XFFCEL01)
NOTE: Assigning number (1,11) to disk (o/192.168.10.3/DATA_XFF_CD_08_XFFCEL01)
Wed Dec 12 21:29:10 2018
NOTE: GMON heartbeating for grp 1
GMON querying group 1 at 101 for pid 27, osid 62541
NOTE: Assigning number (1,0) to disk ()
GMON querying group 1 at 102 for pid 27, osid 62541
NOTE: process _user62541_+asm2 (62541) initiating offline of disk 0.3915937355 () with mask 0x7e[0x7f] in group 1
NOTE: initiating PST update: grp = 1, dsk = 0/0xe968764b, mask = 0x6a, op = clear
GMON updating disk modes for group 1 at 103 for pid 27, osid 62541
ERROR: Disk 0 cannot be offlined, since all the disks [0, 25] with mirrored data would be offline.
ERROR: too many offline disks in PST (grp 1)
WARNING: Offline of disk 0 () in group 1 and mode 0x7f failed on ASM inst 2
NOTE: cache dismounting (not clean) group 1/0x5FE882CB (DATA_XFF) 
NOTE: dbwr not being msg'd to dismount
NOTE: lgwr not being msg'd to dismount
NOTE: cache dismounted group 1/0x5FE882CB (DATA_XFF) 
NOTE: cache ending mount (fail) of group DATA_XFF number=1 incarn=0x5fe882cb
NOTE: cache deleting context for group DATA_XFF 1/0x5fe882cb
GMON dismounting group 1 at 104 for pid 27, osid 62541
ERROR: diskgroup DATA_XFF was not mounted
ORA-15032: not all alterations performed
ORA-15040: diskgroup is incomplete
ORA-15066: offlining disk "0" in group "DATA_XFF" may result in a data loss
ORA-15042: ASM disk "0" is missing from group number "1" 
ERROR: alter diskgroup DATA_XFF mount force

检查底层损坏情况

CellCLI>   list physicaldisk
         20:0            KN3VZL          normal
         20:1            KNAWLL          normal
         20:2            KN4E4L          warning - predictive failure, poor performance
         20:3            KNAN5L          normal
         20:4            KMJKYL          normal
         20:5            KN5DGL          normal
         20:6            KMDLWL          normal
         20:7            KMDKPL          normal
         20:8            KMDA7L          normal
         20:9            KN1YJL          normal
         20:10           KMH1YL          normal
         20:11           KMVHAL          normal

CellCLI>   list griddisk
         DATA_XFF_CD_00_XFFCEL01       active
         DATA_XFF_CD_01_XFFCEL01       active
         DATA_XFF_CD_02_XFFCEL01       proactive failure
         DATA_XFF_CD_03_XFFCEL01       active
         DATA_XFF_CD_04_XFFCEL01       active
         DATA_XFF_CD_05_XFFCEL01       active
         DATA_XFF_CD_06_XFFCEL01       active
         DATA_XFF_CD_07_XFFCEL01       active
         DATA_XFF_CD_08_XFFCEL01       active
         DATA_XFF_CD_09_XFFCEL01       active
         DATA_XFF_CD_10_XFFCEL01       active
         DATA_XFF_CD_11_XFFCEL01       active

在db节点无法发现异常磁盘的asm disk

[grid@ycdwdb01 grid]$ kfod disk=all
--------------------------------------------------------------------------------
 Disk          Size Path                                     User     Group   
============================================================
   1:     433152 Mb o/192.168.10.3/DATA_XFF_CD_00_XFFCEL01 <unknown> <unknown>
   2:     433152 Mb o/192.168.10.3/DATA_XFF_CD_01_XFFCEL01 <unknown> <unknown>
   3:     433152 Mb o/192.168.10.3/DATA_XFF_CD_03_XFFCEL01 <unknown> <unknown>
   4:     433152 Mb o/192.168.10.3/DATA_XFF_CD_04_XFFCEL01 <unknown> <unknown>
   5:     433152 Mb o/192.168.10.3/DATA_XFF_CD_05_XFFCEL01 <unknown> <unknown>
   6:     433152 Mb o/192.168.10.3/DATA_XFF_CD_06_XFFCEL01 <unknown> <unknown>
   7:     433152 Mb o/192.168.10.3/DATA_XFF_CD_07_XFFCEL01 <unknown> <unknown>
   8:     433152 Mb o/192.168.10.3/DATA_XFF_CD_08_XFFCEL01 <unknown> <unknown>
   9:     433152 Mb o/192.168.10.3/DATA_XFF_CD_09_XFFCEL01 <unknown> <unknown>
  10:     433152 Mb o/192.168.10.3/DATA_XFF_CD_10_XFFCEL01 <unknown> <unknown>
  11:     433152 Mb o/192.168.10.3/DATA_XFF_CD_11_XFFCEL01 <unknown> <unknown>

根据客户的反馈该磁盘组几乎全部被使用,asmcmd lsdg看到Usable_file_MB已经出现负值.证明该磁盘组本身的normal没有完全存储两份数据,在这样的情况下,继续坏盘会导致部分数据只有一份,因此也就出现了这里的磁盘组无法正常mount成功.

通过底层修复celldisk之后

CellCLI>  list griddisk
         DATA_XFF_CD_00_XFFCEL01       active
         DATA_XFF_CD_01_XFFCEL01       active
         DATA_XFF_CD_02_XFFCEL01       active
         DATA_XFF_CD_03_XFFCEL01       active
         DATA_XFF_CD_04_XFFCEL01       active
         DATA_XFF_CD_05_XFFCEL01       active
         DATA_XFF_CD_06_XFFCEL01       active
         DATA_XFF_CD_07_XFFCEL01       active
         DATA_XFF_CD_08_XFFCEL01       active
         DATA_XFF_CD_09_XFFCEL01       active
         DATA_XFF_CD_10_XFFCEL01       active
         DATA_XFF_CD_11_XFFCEL01       active

[grid@ycdwdb01 grid]$ kfod disk=all
--------------------------------------------------------------------------------
 Disk          Size Path                                     User     Group   
============================================================
   1:     433152 Mb o/192.168.10.3/DATA_XFF_CD_00_XFFCEL01 <unknown> <unknown>
   2:     433152 Mb o/192.168.10.3/DATA_XFF_CD_01_XFFCEL01 <unknown> <unknown>
   3:     433152 Mb o/192.168.10.3/DATA_XFF_CD_02_XFFCEL01 <unknown> <unknown>
   4:     433152 Mb o/192.168.10.3/DATA_XFF_CD_03_XFFCEL01 <unknown> <unknown>
   5:     433152 Mb o/192.168.10.3/DATA_XFF_CD_04_XFFCEL01 <unknown> <unknown>
   6:     433152 Mb o/192.168.10.3/DATA_XFF_CD_05_XFFCEL01 <unknown> <unknown>
   7:     433152 Mb o/192.168.10.3/DATA_XFF_CD_06_XFFCEL01 <unknown> <unknown>
   8:     433152 Mb o/192.168.10.3/DATA_XFF_CD_07_XFFCEL01 <unknown> <unknown>
   9:     433152 Mb o/192.168.10.3/DATA_XFF_CD_08_XFFCEL01 <unknown> <unknown>
  10:     433152 Mb o/192.168.10.3/DATA_XFF_CD_09_XFFCEL01 <unknown> <unknown>
  11:     433152 Mb o/192.168.10.3/DATA_XFF_CD_10_XFFCEL01 <unknown> <unknown>
  12:     433152 Mb o/192.168.10.3/DATA_XFF_CD_11_XFFCEL01 <unknown> <unknown>

data磁盘组直接mount成功

Fri Dec 14 14:04:59 2018
SQL> alter diskgroup DATA_XFF mount 
NOTE: cache registered group DATA_XFF number=1 incarn=0x78a886e7
NOTE: cache began mount (not first) of group DATA_XFF number=1 incarn=0x78a886e7
NOTE: Assigning number (1,36) to disk (o/192.168.10.5/DATA_XFF_CD_11_XFFCEL03)
NOTE: Assigning number (1,34) to disk (o/192.168.10.5/DATA_XFF_CD_10_XFFCEL03)
NOTE: Assigning number (1,37) to disk (o/192.168.10.5/DATA_XFF_CD_04_XFFCEL03)
NOTE: Assigning number (1,38) to disk (o/192.168.10.5/DATA_XFF_CD_00_XFFCEL03)
NOTE: Assigning number (1,39) to disk (o/192.168.10.5/DATA_XFF_CD_03_XFFCEL03)
NOTE: Assigning number (1,40) to disk (o/192.168.10.5/DATA_XFF_CD_05_XFFCEL03)
NOTE: Assigning number (1,41) to disk (o/192.168.10.5/DATA_XFF_CD_08_XFFCEL03)
NOTE: Assigning number (1,42) to disk (o/192.168.10.5/DATA_XFF_CD_01_XFFCEL03)
NOTE: Assigning number (1,43) to disk (o/192.168.10.5/DATA_XFF_CD_09_XFFCEL03)
NOTE: Assigning number (1,44) to disk (o/192.168.10.5/DATA_XFF_CD_06_XFFCEL03)
NOTE: Assigning number (1,45) to disk (o/192.168.10.5/DATA_XFF_CD_07_XFFCEL03)
NOTE: Assigning number (1,46) to disk (o/192.168.10.5/DATA_XFF_CD_02_XFFCEL03)
NOTE: Assigning number (1,22) to disk (o/192.168.10.4/DATA_XFF_CD_10_XFFCEL02)
NOTE: Assigning number (1,18) to disk (o/192.168.10.4/DATA_XFF_CD_06_XFFCEL02)
NOTE: Assigning number (1,19) to disk (o/192.168.10.4/DATA_XFF_CD_07_XFFCEL02)
NOTE: Assigning number (1,15) to disk (o/192.168.10.4/DATA_XFF_CD_03_XFFCEL02)
NOTE: Assigning number (1,20) to disk (o/192.168.10.4/DATA_XFF_CD_08_XFFCEL02)
NOTE: Assigning number (1,17) to disk (o/192.168.10.4/DATA_XFF_CD_05_XFFCEL02)
NOTE: Assigning number (1,16) to disk (o/192.168.10.4/DATA_XFF_CD_04_XFFCEL02)
NOTE: Assigning number (1,23) to disk (o/192.168.10.4/DATA_XFF_CD_11_XFFCEL02)
NOTE: Assigning number (1,12) to disk (o/192.168.10.4/DATA_XFF_CD_00_XFFCEL02)
NOTE: Assigning number (1,21) to disk (o/192.168.10.4/DATA_XFF_CD_09_XFFCEL02)
NOTE: Assigning number (1,13) to disk (o/192.168.10.4/DATA_XFF_CD_01_XFFCEL02)
NOTE: Assigning number (1,14) to disk (o/192.168.10.4/DATA_XFF_CD_02_XFFCEL02)
NOTE: Assigning number (1,1) to disk (o/192.168.10.3/DATA_XFF_CD_05_XFFCEL01)
NOTE: Assigning number (1,2) to disk (o/192.168.10.3/DATA_XFF_CD_03_XFFCEL01)
NOTE: Assigning number (1,3) to disk (o/192.168.10.3/DATA_XFF_CD_06_XFFCEL01)
NOTE: Assigning number (1,4) to disk (o/192.168.10.3/DATA_XFF_CD_09_XFFCEL01)
NOTE: Assigning number (1,5) to disk (o/192.168.10.3/DATA_XFF_CD_04_XFFCEL01)
NOTE: Assigning number (1,6) to disk (o/192.168.10.3/DATA_XFF_CD_07_XFFCEL01)
NOTE: Assigning number (1,7) to disk (o/192.168.10.3/DATA_XFF_CD_11_XFFCEL01)
NOTE: Assigning number (1,8) to disk (o/192.168.10.3/DATA_XFF_CD_01_XFFCEL01)
NOTE: Assigning number (1,9) to disk (o/192.168.10.3/DATA_XFF_CD_00_XFFCEL01)
NOTE: Assigning number (1,10) to disk (o/192.168.10.3/DATA_XFF_CD_10_XFFCEL01)
NOTE: Assigning number (1,11) to disk (o/192.168.10.3/DATA_XFF_CD_08_XFFCEL01)
NOTE: Assigning number (1,0) to disk (o/192.168.10.3/DATA_XFF_CD_02_XFFCEL01)
Fri Dec 14 14:04:59 2018
GMON querying group 1 at 78 for pid 28, osid 76016
NOTE: Assigning number (1,24) to disk ()
NOTE: Assigning number (1,25) to disk ()
NOTE: Assigning number (1,26) to disk ()
NOTE: Assigning number (1,27) to disk ()
NOTE: Assigning number (1,28) to disk ()
NOTE: Assigning number (1,29) to disk ()
NOTE: Assigning number (1,30) to disk ()
NOTE: Assigning number (1,31) to disk ()
NOTE: Assigning number (1,32) to disk ()
NOTE: Assigning number (1,33) to disk ()
NOTE: Assigning number (1,35) to disk ()
GMON querying group 1 at 79 for pid 28, osid 76016
NOTE: cache opening disk 0 of grp 1: DATA_XFF_CD_02_XFFCEL01 path:o/192.168.10.3/DATA_XFF_CD_02_XFFCEL01
NOTE: cache opening disk 1 of grp 1: DATA_XFF_CD_05_XFFCEL01 path:o/192.168.10.3/DATA_XFF_CD_05_XFFCEL01
NOTE: cache opening disk 2 of grp 1: DATA_XFF_CD_03_XFFCEL01 path:o/192.168.10.3/DATA_XFF_CD_03_XFFCEL01
NOTE: F1X0 found on disk 2 au 5 fcn 0.15948262
NOTE: cache opening disk 3 of grp 1: DATA_XFF_CD_06_XFFCEL01 path:o/192.168.10.3/DATA_XFF_CD_06_XFFCEL01
NOTE: cache opening disk 4 of grp 1: DATA_XFF_CD_09_XFFCEL01 path:o/192.168.10.3/DATA_XFF_CD_09_XFFCEL01
NOTE: cache opening disk 5 of grp 1: DATA_XFF_CD_04_XFFCEL01 path:o/192.168.10.3/DATA_XFF_CD_04_XFFCEL01
NOTE: cache opening disk 6 of grp 1: DATA_XFF_CD_07_XFFCEL01 path:o/192.168.10.3/DATA_XFF_CD_07_XFFCEL01
NOTE: cache opening disk 7 of grp 1: DATA_XFF_CD_11_XFFCEL01 path:o/192.168.10.3/DATA_XFF_CD_11_XFFCEL01
NOTE: cache opening disk 8 of grp 1: DATA_XFF_CD_01_XFFCEL01 path:o/192.168.10.3/DATA_XFF_CD_01_XFFCEL01
NOTE: cache opening disk 9 of grp 1: DATA_XFF_CD_00_XFFCEL01 path:o/192.168.10.3/DATA_XFF_CD_00_XFFCEL01
NOTE: cache opening disk 10 of grp 1: DATA_XFF_CD_10_XFFCEL01 path:o/192.168.10.3/DATA_XFF_CD_10_XFFCEL01
NOTE: cache opening disk 11 of grp 1: DATA_XFF_CD_08_XFFCEL01 path:o/192.168.10.3/DATA_XFF_CD_08_XFFCEL01
NOTE: cache opening disk 12 of grp 1: DATA_XFF_CD_00_XFFCEL02 path:o/192.168.10.4/DATA_XFF_CD_00_XFFCEL02
NOTE: cache opening disk 13 of grp 1: DATA_XFF_CD_01_XFFCEL02 path:o/192.168.10.4/DATA_XFF_CD_01_XFFCEL02
NOTE: cache opening disk 14 of grp 1: DATA_XFF_CD_02_XFFCEL02 path:o/192.168.10.4/DATA_XFF_CD_02_XFFCEL02
NOTE: cache opening disk 15 of grp 1: DATA_XFF_CD_03_XFFCEL02 path:o/192.168.10.4/DATA_XFF_CD_03_XFFCEL02
NOTE: cache opening disk 16 of grp 1: DATA_XFF_CD_04_XFFCEL02 path:o/192.168.10.4/DATA_XFF_CD_04_XFFCEL02
NOTE: cache opening disk 17 of grp 1: DATA_XFF_CD_05_XFFCEL02 path:o/192.168.10.4/DATA_XFF_CD_05_XFFCEL02
NOTE: cache opening disk 18 of grp 1: DATA_XFF_CD_06_XFFCEL02 path:o/192.168.10.4/DATA_XFF_CD_06_XFFCEL02
NOTE: cache opening disk 19 of grp 1: DATA_XFF_CD_07_XFFCEL02 path:o/192.168.10.4/DATA_XFF_CD_07_XFFCEL02
NOTE: cache opening disk 20 of grp 1: DATA_XFF_CD_08_XFFCEL02 path:o/192.168.10.4/DATA_XFF_CD_08_XFFCEL02
NOTE: cache opening disk 21 of grp 1: DATA_XFF_CD_09_XFFCEL02 path:o/192.168.10.4/DATA_XFF_CD_09_XFFCEL02
NOTE: F1X0 found on disk 21 au 2 fcn 0.15948262
NOTE: cache opening disk 22 of grp 1: DATA_XFF_CD_10_XFFCEL02 path:o/192.168.10.4/DATA_XFF_CD_10_XFFCEL02
NOTE: cache opening disk 23 of grp 1: DATA_XFF_CD_11_XFFCEL02 path:o/192.168.10.4/DATA_XFF_CD_11_XFFCEL02
NOTE: cache opening disk 36 of grp 1: DATA_XFF_CD_11_XFFCEL03 path:o/192.168.10.5/DATA_XFF_CD_11_XFFCEL03
NOTE: cache opening disk 37 of grp 1: DATA_XFF_CD_04_XFFCEL03 path:o/192.168.10.5/DATA_XFF_CD_04_XFFCEL03
NOTE: cache opening disk 38 of grp 1: DATA_XFF_CD_00_XFFCEL03 path:o/192.168.10.5/DATA_XFF_CD_00_XFFCEL03
NOTE: cache opening disk 39 of grp 1: DATA_XFF_CD_03_XFFCEL03 path:o/192.168.10.5/DATA_XFF_CD_03_XFFCEL03
NOTE: cache opening disk 40 of grp 1: DATA_XFF_CD_05_XFFCEL03 path:o/192.168.10.5/DATA_XFF_CD_05_XFFCEL03
NOTE: cache opening disk 41 of grp 1: DATA_XFF_CD_08_XFFCEL03 path:o/192.168.10.5/DATA_XFF_CD_08_XFFCEL03
NOTE: cache opening disk 42 of grp 1: DATA_XFF_CD_01_XFFCEL03 path:o/192.168.10.5/DATA_XFF_CD_01_XFFCEL03
NOTE: cache opening disk 43 of grp 1: DATA_XFF_CD_09_XFFCEL03 path:o/192.168.10.5/DATA_XFF_CD_09_XFFCEL03
NOTE: cache opening disk 44 of grp 1: DATA_XFF_CD_06_XFFCEL03 path:o/192.168.10.5/DATA_XFF_CD_06_XFFCEL03
NOTE: F1X0 found on disk 44 au 2 fcn 0.15948262
NOTE: cache opening disk 45 of grp 1: DATA_XFF_CD_07_XFFCEL03 path:o/192.168.10.5/DATA_XFF_CD_07_XFFCEL03
NOTE: cache opening disk 46 of grp 1: DATA_XFF_CD_02_XFFCEL03 path:o/192.168.10.5/DATA_XFF_CD_02_XFFCEL03
NOTE: cache mounting (not first) normal redundancy group 1/0x78A886E7 (DATA_XFF)
Fri Dec 14 14:04:59 2018
kjbdomatt send to inst 2
Fri Dec 14 14:04:59 2018
NOTE: attached to recovery domain 1
NOTE: redo buffer size is 512 blocks (2101760 bytes)
Fri Dec 14 14:04:59 2018
NOTE: LGWR attempting to mount thread 2 for diskgroup 1 (DATA_XFF)
NOTE: LGWR found thread 2 closed at ABA 98.4672
NOTE: LGWR mounted thread 2 for diskgroup 1 (DATA_XFF)
NOTE: LGWR opening thread 2 at fcn 0.18931129 ABA 99.4673
NOTE: cache mounting group 1/0x78A886E7 (DATA_XFF) succeeded
NOTE: cache ending mount (success) of group DATA_XFF number=1 incarn=0x78a886e7
GMON querying group 1 at 80 for pid 19, osid 9805
Fri Dec 14 14:04:59 2018
NOTE: Instance updated compatible.asm to 11.2.0.3.0 for grp 1
SUCCESS: diskgroup DATA_XFF was mounted
SUCCESS: alter diskgroup DATA_XFF mount

恢复后的asm磁盘状态

ASMCMD> lsdg
State    Type    Rebal  Sector  Block       AU  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  Offline_disks  Voting_files  Name
MOUNTED  NORMAL  Y         512   4096  4194304  15160320  4776184          5197824         -210820             12             N  DATA_XFF/
MOUNTED  NORMAL  N         512   4096  4194304    864896   863400           298240          282580              0             Y  DBFS_DG/
MOUNTED  NORMAL  N         512   4096  4194304   3787840  2157232          1298688          429272              0             N  RECO_XFF/

后续数据库open成功,有部分坏块通过技术手段进行二次处理,至此数据库恢复完成,成功抢救了客户Oracle Exadata中的绝大部分数据.如果有类似xd故障恢复,无法自行解决,需要恢复支持请联系我们
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