Exadata磁盤損壞導致磁盤組無法mount恢復（oracle一體機磁盤組異常恢復）---惜分飛

這篇具有很好參考價值的文章主要介紹了Exadata磁盤損壞導致磁盤組無法mount恢復（oracle一體機磁盤組異常恢復）---惜分飛。希望對大家有所幫助。如果存在錯誤或未考慮完全的地方，請大家不吝賜教，您也可以點擊"舉報違法"按鈕提交疑問。

Oracle Exadata客戶,在換盤過程中,cell節(jié)點又一塊磁盤損壞,導致datac1磁盤組（該磁盤組是normal方式冗余)無法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還已經(jīng)損壞在換盤過程中(數(shù)據(jù)沒有reblance完成),又損壞了asm disk 39,而這兩份磁盤中有數(shù)據(jù)互為鏡像,因此磁盤組無法正常mount起來.

檢查cell節(jié)點celldisk和griddisk情況，確認底層磁盤損壞
?

Exadata磁盤損壞導致磁盤組無法mount恢復（oracle一體機磁盤組異常恢復）---惜分飛,oracle

對于這種情況,因為normal冗余的兩份數(shù)據(jù)都有部分丟失,無法直接恢復數(shù)據(jù),通過底層磁盤級別恢復(參考以前一次的Oracle exadata故障恢復:Oracle Exadata壞盤導致磁盤組無法mount恢復),然后比較順利恢復數(shù)據(jù),實現(xiàn)業(yè)務數(shù)據(jù)0丟失

SQL> alter datac1 mount;

Diskgroup altered.

SQL> alter diskgroup datac1 check all;

Diskgroup altered.

多套庫順利open成功
?

Exadata磁盤損壞導致磁盤組無法mount恢復（oracle一體機磁盤組異?；謴停?--惜分飛,oracle

在實際恢復過程中由于客戶進行了各種嘗試,直接新鏡像盤然后插入新盤,強制拉磁盤組drop異常disk操作等,導致第一現(xiàn)場發(fā)生一些破壞,增加了恢復難道,但是最終通過各種方法彌補,實現(xiàn)了預期的恢復效果(業(yè)務數(shù)據(jù)0丟失)文章來源地址http://www.zghlxwxcb.cn/news/detail-612683.html

到了這里，關于Exadata磁盤損壞導致磁盤組無法mount恢復（oracle一體機磁盤組異?；謴停?--惜分飛的文章就介紹完了。如果您還想了解更多內容，請在右上角搜索TOY模板網(wǎng)以前的文章或繼續(xù)瀏覽下面的相關文章，希望大家以后多多支持TOY模板網(wǎng)！