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oracle Exadata火线救援:10TB级数据恢复―强制拉库篇
时间:2022-06-29 09:34:55 编辑:袖梨 来源:一聚教程网
这个库的恢复有一些历史故事(【力荐】Exadata火线救援:10TB级数据修复经典案例详解!):xx运营商x2的1/4配置的oracle exadata机器,跑了近6年,最近有一个cell节点主机异常,在rebalance过程中,只有两个节点的cell其中一个节点坏了一个硬盘导致.导致asm diskgroup无法正常mount,最后该运营商运维三方通过amdu把该一体机中的数据文件全部抽出来,然后在恢复过程中出现大量错误无法解决,请求我们支持
数据库open过程报ORA-01555错误
Thu Jul 14 00:01:04 2016
alter database open
Thu Jul 14 00:01:04 2016
Thread 1 advanced to log sequence 2 (thread open)
Thread 1 opened at log sequence 2
Current log# 2 seq# 2 mem# 0: /data/amdu/redo/DATA_EC_260.f
Successful open of redo thread 1
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
Thu Jul 14 00:01:05 2016
SMON: enabling cache recovery
ORA-01555 caused by SQL statement below (SQL ID: 4krwuz0ctqxdt, SCN: 0x0b26.9f080238):
select ctime, mtime, stime from obj$ where obj# = :1
Errors in file /oracle/app/oracle/diag/rdbms/xifenfei/xifenfei/trace/xifenfei_ora_59546.trc:
ORA-00704: bootstrap process failure
ORA-00704: bootstrap process failure
ORA-00604: error occurred at recursive SQL level 1
ORA-01555: snapshot too old: rollback segment number 83 with name "_SYSSMU83_1078760807$" too small
Errors in file /oracle/app/oracle/diag/rdbms/xifenfei/xifenfei/trace/xifenfei_ora_59546.trc:
ORA-00704: bootstrap process failure
ORA-00704: bootstrap process failure
ORA-00604: error occurred at recursive SQL level 1
ORA-01555: snapshot too old: rollback segment number 83 with name "_SYSSMU83_1078760807$" too small
Error 704 happened during db open, shutting down database
USER (ospid: 59546): terminating the instance due to error 704
Instance terminated by USER, pid = 59546
ORA-1092 signalled during: alter database open...
opiodr aborting process unknown ospid (59546) as a result of ORA-1092
这个错误比较常见,可以通过推scn就可以解决,由于已经安装了scn patch,通过oradebug推scn解决该问题.
ORA-600 4194
这个ora 600 4194相对比较特殊,在SMON: enabling cache recovery之后立马报出来,然后实例直接open失败.
Thu Jul 14 00:06:15 2016
alter database open
Thu Jul 14 00:06:15 2016
Thread 1 advanced to log sequence 3 (thread open)
Thread 1 opened at log sequence 3
Current log# 3 seq# 3 mem# 0: /data/amdu/redo/DATA_EC_263.f
Successful open of redo thread 1
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
Thu Jul 14 00:06:15 2016
SMON: enabling cache recovery
Errors in file /oracle/app/oracle/diag/rdbms/xifenfei/xifenfei/trace/xifenfei_ora_60038.trc (incident=1080450):
ORA-00600: internal error code, arguments: [4194], [], [], [], [], [], [], [], [], [], [], []
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Block recovery from logseq 3, block 3 to scn 12269096776739
Recovery of Online Redo Log: Thread 1 Group 3 Seq 3 Reading mem 0
Mem# 0: /data/amdu/redo/DATA_EC_263.f
Block recovery stopped at EOT rba 3.5.16
Block recovery completed at rba 3.5.16, scn 2856.2670179361
Block recovery from logseq 3, block 3 to scn 12269096776736
Recovery of Online Redo Log: Thread 1 Group 3 Seq 3 Reading mem 0
Mem# 0: /data/amdu/redo/DATA_EC_263.f
Block recovery completed at rba 3.5.16, scn 2856.2670179361
Errors in file /oracle/app/oracle/diag/rdbms/xifenfei/xifenfei/trace/xifenfei_ora_60038.trc:
ORA-00600: internal error code, arguments: [4194], [], [], [], [], [], [], [], [], [], [], []
Errors in file /oracle/app/oracle/diag/rdbms/xifenfei/xifenfei/trace/xifenfei_ora_60038.trc:
ORA-00600: internal error code, arguments: [4194], [], [], [], [], [], [], [], [], [], [], []
Error 600 happened during db open, shutting down database
USER (ospid: 60038): terminating the instance due to error 600
Instance terminated by USER, pid = 60038
ORA-1092 signalled during: alter database open...
opiodr aborting process unknown ospid (60038) as a result of ORA-1092
trace文件分析
打开数据库报ORA-600[4194]错误,对启动过程进行10046跟踪并且分析trace文件发现
PARSING IN CURSOR #140375370511672 len=148 dep=1 uid=0 oct=6 lid=0 tim=3501342849457766 hv=3540833987
ad='a47df47a8' sqlid='5ansr7r9htpq3'
update undo$ set name=:2,file#=:3,block#=:4,status$=:5,user#=:6,undosqn=:7,xactsqn=:8,scnbas=:9,
scnwrp=:10,inst#=:11,ts#=:12,spare1=:13 where us#=:1
END OF STMT
PARSE #140375370511672:c=27996,e=28041,p=66,cr=224,cu=0,mis=1,r=0,dep=1,og=4,plh=0,tim=3501342849457765
BINDS #140375370511672:
Bind#0
oacdty=01 mxl=32(20) mxlc=00 mal=00 scl=00 pre=00
oacflg=18 fl2=0001 frm=01 csi=178 siz=32 off=0
kxsbbbfp=a47e093ca bln=32 avl=20 flg=09
value="_SYSSMU1_2856534670$"
Bind#1
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
kxsbbbfp=7fabae3b92b0 bln=24 avl=03 flg=05
value=1024
Bind#2
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
kxsbbbfp=7fabae3b9280 bln=24 avl=03 flg=05
value=128
Bind#3
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
kxsbbbfp=7fabae3b9248 bln=24 avl=02 flg=05
value=5
Bind#4
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
kxsbbbfp=7fabae3b9218 bln=24 avl=02 flg=05
value=1
Bind#5
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
kxsbbbfp=7fabae3b91e8 bln=24 avl=03 flg=05
value=3398
Bind#6
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
kxsbbbfp=7fabae3b91b8 bln=24 avl=05 flg=05
value=1485261
Bind#7
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
kxsbbbfp=7fabae3b9180 bln=24 avl=06 flg=05
value=1946693999
Bind#8
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
kxsbbbfp=7fabae3b8ec8 bln=24 avl=03 flg=05
value=2847
Bind#9
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
kxsbbbfp=7fabae3b8e98 bln=24 avl=02 flg=05
value=1
Bind#10
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
kxsbbbfp=7fabae3b8e68 bln=24 avl=02 flg=05
value=2
Bind#11
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
kxsbbbfp=7fabae3b8e38 bln=24 avl=02 flg=05
value=2
Bind#12
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
kxsbbbfp=7fabae3b92e0 bln=22 avl=02 flg=05
value=1
WAIT #140375370511672: nam='db file sequential read' ela= 21 file#=1 block#=179020 blocks=1 obj#=0 tim=3501342849459353
*** 2016-07-14 03:14:09.548
ORA-00600: internal error code, arguments: [4194], [], [], [], [], [], [], [], [], [], [], []
很明显数据库是在update undo$的时候,读取到file 1 block 179020的时候报错,继续分析trace文件
Error 600 in redo application callback
Dump of change vector:
TYP:0 CLS:16 AFN:1 DBA:0x0042bb4c OBJ:4294967295 SCN:0x0b26.a88e815e SEQ:1 OP:5.1 ENC:0 RBL:0
ktudb redo: siz: 272 spc: 4906 flg: 0x0012 seq: 0x0f4c rec: 0x0d
xid: 0x0000.01b.00000b63
ktubl redo: slt: 27 rci: 0 opc: 11.1 [objn: 15 objd: 15 tsn: 0]
Undo type: Regular undo Begin trans Last buffer split: No
Temp Object: No
Tablespace Undo: No
0x00000000 prev ctl uba: 0x0042bb4c.0f4c.0c
prev ctl max cmt scn: 0x0b23.ccb9eb89 prev tx cmt scn: 0x0b23.ccb9ebac
txn start scn: 0xffff.ffffffff logon user: 0 prev brb: 4373321 prev bcl: 0 BuExt idx: 0 flg2: 0
KDO undo record:
KTB Redo
op: 0x04 ver: 0x01
compat bit: 4 (post-11) padding: 1
op: L itl: xid: 0x0000.01c.00000b65 uba: 0x0042bb4a.0f4c.1d
flg: C--- lkc: 0 scn: 0x0b25.7391ee5c
KDO Op code: URP row dependencies Disabled
xtype: XA flags: 0x00000000 bdba: 0x004000e1 hdba: 0x004000e0
itli: 2 ispac: 0 maxfr: 4863
tabn: 0 slot: 1(0x1) flag: 0x2c lock: 0 ckix: 0
ncol: 17 nnew: 12 size: 0
col 1: [20] 5f 53 59 53 53 4d 55 31 5f 32 38 35 36 35 33 34 36 37 30 24
col 2: [ 2] c1 02
col 3: [ 3] c2 0b 19
col 4: [ 3] c2 02 1d
col 5: [ 6] c5 14 2f 46 28 64
col 6: [ 3] c2 1d 30
col 7: [ 5] c4 02 31 35 3e
col 8: [ 3] c2 22 63
col 9: [ 2] c1 02
col 10: [ 2] c1 04
col 11: [ 2] c1 03
col 16: [ 2] c1 03
Block after image is corrupt:
buffer tsn: 0 rdba: 0x0042bb4c (1/179020)
scn: 0x0b26.a88e815e seq: 0x01 flg: 0x04 tail: 0x815e0201
frmt: 0x02 chkval: 0xf022 type: 0x02=KTU UNDO BLOCK
Hex dump of block: st=0, typ_found=1
Dump of memory from 0x000000094E07A000 to 0x000000094E07C000
94E07A000 0000A202 0042BB4C A88E815E 04010B26 [....L.B.^...&...]
94E07A010 0000F022 004E0000 00000B5B 1D1D0F4C [".....N.[...L...]
我们知道在file 1 block 179020的时候redo和undo信息不匹配,出现了上述的ORA 600 4194的错误.进一步分析
Block image after block recovery:
buffer tsn: 0 rdba: 0x00400080 (1/128)
scn: 0x0b26.6389e19d seq: 0x01 flg: 0x04 tail: 0xe19d0e01
frmt: 0x02 chkval: 0x7c95 type: 0x0e=KTU UNDO HEADER W/UNLIMITED EXTENTS
Hex dump of block: st=0, typ_found=1
Dump of memory from 0x000000094DAB2000 to 0x000000094DAB4000
94DAB2000 0000A20E 00400080 6389E19D 04010B26 [[email protected]&...]
94DAB2010 00007C95 00000000 00000000 00000000 [.|..............]
94DAB2020 00000000 00000015 000002FF 00001020 [............ ...]
94DAB2030 0000000D 0000004C 00000080 0042BB4C [....L.......L.B.]
Extent Control Header
-----------------------------------------------------------------
Extent Header:: spare1: 0 spare2: 0 #extents: 21 #blocks: 767
last map 0x00000000 #maps: 0 offset: 4128
Highwater:: 0x0042bb4c ext#: 13 blk#: 76 ext size: 128
#blocks in seg. hdr's freelists: 0
#blocks below: 0
mapblk 0x00000000 offset: 13
Unlocked
Map Header:: next 0x00000000 #extents: 21 obj#: 0 flag: 0x40000000
Extent Map
-----------------------------------------------------------------
0x00400081 length: 7
0x00413a38 length: 8
0x00400088 length: 8
0x00413a30 length: 8
0x0042b888 length: 8
0x0042b890 length: 8
0x0042b898 length: 8
0x0042b8a0 length: 8
0x0042b8a8 length: 8
0x0042b8b0 length: 8
0x0042b8b8 length: 8
0x0042b8c0 length: 8
0x0042ba80 length: 128
0x0042bb00 length: 128
0x0042bc00 length: 128
0x0042bc80 length: 128
0x0042bb80 length: 128
0x00400210 length: 8
0x00400218 length: 8
0x00400220 length: 8
0x00400228 length: 8
TRN CTL:: seq: 0x0f4c chd: 0x001b ctl: 0x0043 inc: 0x00000000 nfb: 0x0001
mgc: 0x8002 xts: 0x0068 flg: 0x0001 opt: 2147483646 (0x7ffffffe)
uba: 0x0042bb4c.0f4c.0c scn: 0x0b23.ccb9eb89
Version: 0x01
FREE BLOCK POOL::
uba: 0x0042bb4c.0f4c.0c ext: 0xd spc: 0x132a
uba: 0x00000000.0f4c.0c ext: 0xd spc: 0x12f6
uba: 0x00000000.0f4c.01 ext: 0xd spc: 0x1ec8
uba: 0x00000000.0f4c.04 ext: 0xd spc: 0x1b86
uba: 0x00000000.0f4c.09 ext: 0xd spc: 0x162c
TRN TBL::
index state cflags wrap# uel scn dba parent-xid nub stmt_num
------------------------------------------------------------------------------------------------
0x00 9 0x00 0x0b62 0x0011 0x0b25.2dacaf61 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x01 9 0x00 0x0b64 0x0024 0x0b24.a6a2cf7b 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x02 9 0x00 0x0b65 0x0036 0x0b25.7391eda0 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x03 9 0x00 0x0b4f 0x0007 0x0b24.337bf49b 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x04 9 0x00 0x0b64 0x0051 0x0b23.ff22c637 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x05 9 0x00 0x0b64 0x0022 0x0b26.4393eb1e 0x0042bb4c 0x0000.000.00000000 0x00000001 0x00000000
0x06 9 0x00 0x0b66 0x0058 0x0b24.335c794d 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x07 9 0x00 0x0b4f 0x001d 0x0b24.4e05f2af 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x08 9 0x00 0x0b65 0x005e 0x0b23.ff22c618 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x09 9 0x00 0x0b5f 0x0035 0x0b24.337bf3d9 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x0a 9 0x00 0x0b64 0x004f 0x0b25.7391ee5f 0x0042bb4c 0x0000.000.00000000 0x00000001 0x00000000
0x0b 9 0x00 0x0b64 0x0040 0x0b24.335c7bd7 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x0c 9 0x00 0x0b65 0x0002 0x0b25.7391e929 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x0d 9 0x00 0x0b4f 0x0033 0x0b24.a6a2caa5 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x0e 9 0x00 0x0b65 0x0008 0x0b23.ff22c616 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x0f 9 0x00 0x0b61 0x0038 0x0b26.6389e195 0x0042bb4c 0x0000.000.00000000 0x00000001 0x00000000
0x10 9 0x00 0x0b4f 0x002a 0x0b24.bcff18b3 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x11 9 0x00 0x0b5c 0x0059 0x0b25.2dacaf69 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x12 9 0x00 0x0b65 0x0026 0x0b25.2dacb0a8 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x13 9 0x00 0x0b66 0x0021 0x0b24.a6a2caaa 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x14 9 0x00 0x0b62 0x0009 0x0b24.337bf3d7 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x15 9 0x00 0x0b63 0x0031 0x0b25.1b4e13ba 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x16 9 0x00 0x0b66 0x003b 0x0b25.2dacee5d 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x17 9 0x00 0x0b63 0x0034 0x0b26.6389e199 0x0042bb4c 0x0000.000.00000000 0x00000001 0x00000000
0x18 9 0x00 0x0b5d 0x002f 0x0b24.bcff18af 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x19 9 0x00 0x0b5b 0x004d 0x0b24.d60f78e3 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x1a 9 0x00 0x0b60 0x005b 0x0b25.1b4e13be 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x1b 9 0x00 0x0b62 0x003e 0x0b23.ccb9ebac 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x1c 9 0x00 0x0b65 0x000a 0x0b25.7391ee5c 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x1d 9 0x00 0x0b64 0x002c 0x0b24.4e05f2b1 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x1e 9 0x00 0x0b64 0x0045 0x0b24.33255ae9 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x1f 9 0x00 0x0b64 0x0015 0x0b25.1b4e13b5 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x20 9 0x00 0x0b63 0x0050 0x0b24.335c79a4 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x21 9 0x00 0x0b5d 0x0001 0x0b24.a6a2caf0 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x22 9 0x00 0x0b65 0x000f 0x0b26.4393eb20 0x0042bb4c 0x0000.000.00000000 0x00000001 0x00000000
0x23 9 0x00 0x0b62 0x0042 0x0b24.337bf3d2 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x24 9 0x00 0x0b65 0x003c 0x0b24.a6a2d137 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x25 9 0x00 0x0b62 0x0020 0x0b24.335c795d 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x26 9 0x00 0x0b63 0x0052 0x0b25.2dacee48 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x27 9 0x00 0x0b4e 0x003a 0x0b25.7391ee58 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x28 9 0x00 0x0b65 0x0049 0x0b25.2dacb089 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x29 9 0x00 0x0b61 0x0030 0x0b24.bcff18bb 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x2a 9 0x00 0x0b65 0x0057 0x0b24.bcff18b5 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x2b 9 0x00 0x0b64 0x0054 0x0b25.2dacee55 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x2c 9 0x00 0x0b61 0x000d 0x0b24.4e05f2b3 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x2d 9 0x00 0x0b64 0x000e 0x0b23.ff22c611 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x2e 9 0x00 0x0b65 0x0053 0x0b25.7391e78a 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x2f 9 0x00 0x0b66 0x0010 0x0b24.bcff18b1 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x30 9 0x00 0x0b63 0x0019 0x0b24.d60f78e1 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x31 9 0x00 0x0b65 0x001a 0x0b25.1b4e13bc 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x32 9 0x00 0x0b65 0x0037 0x0b24.a6a2d369 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x33 9 0x00 0x0b4f 0x0013 0x0b24.a6a2caa7 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x34 9 0x00 0x0b63 0x0043 0x0b26.6389e19b 0x0042bb4c 0x0000.000.00000000 0x00000001 0x00000000
0x35 9 0x00 0x0b65 0x0046 0x0b24.337bf409 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x36 9 0x00 0x0b52 0x0061 0x0b25.7391eda2 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x37 9 0x00 0x0b64 0x0018 0x0b24.bcff18ad 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x38 9 0x00 0x0b65 0x0017 0x0b26.6389e197 0x0042bb4c 0x0000.000.00000000 0x00000001 0x00000000
0x39 9 0x00 0x0b62 0x0006 0x0b24.335c7947 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x3a 9 0x00 0x0b64 0x001c 0x0b25.7391ee5a 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x3b 9 0x00 0x0b4d 0x002e 0x0b25.7391e730 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x3c 9 0x00 0x0b65 0x0032 0x0b24.a6a2d144 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x3d 9 0x00 0x0b65 0x0016 0x0b25.2dacee59 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x3e 9 0x00 0x0b63 0x002d 0x0b23.ff22c60b 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x3f 9 0x00 0x0b63 0x005f 0x0b24.335c7b57 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x40 9 0x00 0x0b65 0x0044 0x0b24.335c7bd9 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x41 9 0x00 0x0b65 0x0029 0x0b24.bcff18b9 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x42 9 0x00 0x0b61 0x0014 0x0b24.337bf3d4 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x43 9 0x00 0x0b5b 0xffff 0x0b26.6389e19d 0x0042bb4c 0x0000.000.00000000 0x00000001 0x00000000
0x44 9 0x00 0x0b4c 0x004b 0x0b24.335c7bdb 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x45 9 0x00 0x0b61 0x0039 0x0b24.335c7945 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x46 9 0x00 0x0b65 0x005a 0x0b24.337bf421 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x47 9 0x00 0x0b65 0x0027 0x0b25.7391eda8 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x48 9 0x00 0x0b62 0x004e 0x0b24.335c7953 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x49 9 0x00 0x0b63 0x0012 0x0b25.2dacb09f 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x4a 9 0x00 0x0b63 0x0023 0x0b24.335c7bf8 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x4b 9 0x00 0x0b5b 0x004a 0x0b24.335c7bf3 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x4c 9 0x00 0x0b63 0x003f 0x0b24.335c7b55 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x4d 9 0x00 0x0b61 0x001f 0x0b25.1b4e13b3 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x4e 9 0x00 0x0b5a 0x0025 0x0b24.335c795b 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x4f 9 0x00 0x0b5f 0x005c 0x0b25.8ff588bb 0x0042bb4c 0x0000.000.00000000 0x00000001 0x00000000
0x50 9 0x00 0x0b63 0x004c 0x0b24.335c79a7 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x51 9 0x00 0x0b64 0x005d 0x0b24.0c84cbf4 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x52 9 0x00 0x0b65 0x002b 0x0b25.2dacee49 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x53 9 0x00 0x0b64 0x000c 0x0b25.7391e927 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x54 9 0x00 0x0b63 0x003d 0x0b25.2dacee56 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x55 9 0x00 0x0b64 0x0005 0x0b26.4393eada 0x0042bb4c 0x0000.000.00000000 0x00000001 0x00000000
0x56 9 0x00 0x0b64 0x0055 0x0b26.4393ead3 0x0042bb4c 0x0000.000.00000000 0x00000001 0x00000000
0x57 9 0x00 0x0b60 0x0041 0x0b24.bcff18b7 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x58 9 0x00 0x0b65 0x0060 0x0b24.335c794f 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x59 9 0x00 0x0b60 0x0028 0x0b25.2dacaf74 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x5a 9 0x00 0x0b61 0x0003 0x0b24.337bf499 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
0x5b 9 0x00 0x0b62 0x0000 0x0b25.1b4e13c0 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x5c 9 0x00 0x0b62 0x0056 0x0b25.950a6e4b 0x0042bb4c 0x0000.000.00000000 0x00000001 0x00000000
0x5d 9 0x00 0x0b63 0x001e 0x0b24.33255ae7 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x5e 9 0x00 0x0b5f 0x0004 0x0b23.ff22c635 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x5f 9 0x00 0x0b64 0x000b 0x0b24.335c7bd5 0x0042bb49 0x0000.000.00000000 0x00000001 0x00000000
0x60 9 0x00 0x0b61 0x0048 0x0b24.335c7950 0x0042bb4b 0x0000.000.00000000 0x00000001 0x00000000
0x61 9 0x00 0x0b65 0x0047 0x0b25.7391eda6 0x0042bb4a 0x0000.000.00000000 0x00000001 0x00000000
KQRCMT: Write failed with error=600 po=0xa47e092c0 cid=3
diagnostics : cid=3 hash=35e74caf flag=2a
ORA-00600: internal error code, arguments: [4194], [], [], [], [], [], [], [], [], [], [], []
ORA-00600: internal error code, arguments: [4194], [], [], [], [], [], [], [], [], [], [], []
到这里我们基本上明白了报错的file 1 block 179020是由FREE BLOCK POOL分配出来的,现在解决给问题的思路就是直接使用bbed分配一个新块即可.
ORA-600 6711
数据库无法正常open报ORA 600 6711错误
Thu Jul 14 04:04:28 2016
alter database open
Beginning crash recovery of 1 threads
parallel recovery started with 32 processes
Started redo scan
Completed redo scan
read 1 KB redo, 0 data blocks need recovery
Started redo application at
Thread 1: logseq 2, block 3
Recovery of Online Redo Log: Thread 1 Group 2 Seq 2 Reading mem 0
Mem# 0: /data/amdu/redo/DATA_EC_260.f
Completed redo application of 0.00MB
Completed crash recovery at
Thread 1: logseq 2, block 5, scn 12269633687653
0 data blocks read, 0 data blocks written, 1 redo k-bytes read
Thu Jul 14 04:04:29 2016
Thread 1 advanced to log sequence 3 (thread open)
Thread 1 opened at log sequence 3
Current log# 3 seq# 3 mem# 0: /data/amdu/redo/DATA_EC_263.f
Successful open of redo thread 1
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
After successful startup of the database, please remove
the parameters _allow_error_simulation and _smu_debug_mode
and restart the database
Thu Jul 14 04:04:29 2016
SMON: enabling cache recovery
Undo initialization finished serial:0 start:270626334 end:270626544 diff:210 (2 seconds)
Dictionary check beginning
Tablespace 'TEMP' #3 found in data dictionary,
but not in the controlfile. Adding to controlfile.
Corrected file 19 plugged in read-only status in control file
Corrected file 81 plugged in read-only status in control file
Corrected file 88 plugged in read-only status in control file
Corrected file 93 plugged in read-only status in control file
Corrected file 128 plugged in read-only status in control file
Corrected file 130 plugged in read-only status in control file
Corrected file 131 plugged in read-only status in control file
Corrected file 163 plugged in read-only status in control file
Corrected file 181 plugged in read-only status in control file
Corrected file 184 plugged in read-only status in control file
Corrected file 186 plugged in read-only status in control file
Corrected file 191 plugged in read-only status in control file
Corrected file 214 plugged in read-only status in control file
Corrected file 220 plugged in read-only status in control file
Dictionary check complete
Verifying file header compatibility for 11g tablespace encryption..
Verifying 11g file header compatibility for tablespace encryption completed
SMON: enabling tx recovery
*********************************************************************
WARNING: The following temporary tablespaces contain no files.
This condition can occur when a backup controlfile has
been restored. It may be necessary to add files to these
tablespaces. That can be done using the SQL statement:
ALTER TABLESPACE <tablespace_name> ADD TEMPFILE
Alternatively, if these temporary tablespaces are no longer
needed, then they can be dropped.
Empty temporary tablespace: TEMP
*********************************************************************
Updating character set in controlfile to ZHS16GBK
WARNING: event 8105 is set. This event disables failed
online index [re]build cleanup
No Resource Manager plan active
replication_dependency_tracking turned off (no async multimaster replication found)
Starting background process QMNC
Thu Jul 14 04:04:30 2016
QMNC started with pid=57, OS id=3549
LOGSTDBY: Validating controlfile with logical metadata
LOGSTDBY: Validation complete
Errors in file /oracle/app/oracle/diag/rdbms/xifenfei/xifenfei/trace/xifenfei_ora_3401.trc (incident=1440450):
ORA-00600: internal error code, arguments: [6711], [4293062], [1], [4318348], [0], [], [], [], [], [], [], []
Incident details in: /oracle/app/oracle/diag/rdbms/xifenfei/xifenfei/incident/incdir_1440450/xifenfei_ora_3401_i1440450.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Error 600 in kwqmnpartition(), aborting txn
Thu Jul 14 04:04:32 2016
Dumping diagnostic data in directory=[cdmp_20801214040432], requested by (instance=1, osid=3401), summary=[incident=1440450].
Thu Jul 14 04:04:32 2016
Errors in file /oracle/app/oracle/diag/rdbms/xifenfei/xifenfei/trace/xifenfei_mmon_3329.trc (incident=1440178):
ORA-00600: internal error code, arguments: [6711], [4293062], [1], [4318348], [0], [], [], [], [], [], [], []
Incident details in: /oracle/app/oracle/diag/rdbms/xifenfei/xifenfei/incident/incdir_1440178/xifenfei_mmon_3329_i1440178.trc
Errors in file /oracle/app/oracle/diag/rdbms/xifenfei/xifenfei/trace/xifenfei_ora_3401.trc (incident=1440451):
ORA-00600: internal error code, arguments: [6711], [4293062], [1], [4318348], [0], [], [], [], [], [], [], []
Incident details in: /oracle/app/oracle/diag/rdbms/xifenfei/xifenfei/incident/incdir_1440451/xifenfei_ora_3401_i1440451.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Errors in file /oracle/app/oracle/diag/rdbms/xifenfei/xifenfei/trace/xifenfei_mmon_3329.trc (incident=1440179):
ORA-00600: internal error code, arguments: [6711], [4293062], [1], [4318348], [0], [], [], [], [], [], [], []
Incident details in: /oracle/app/oracle/diag/rdbms/xifenfei/xifenfei/incident/incdir_1440179/xifenfei_mmon_3329_i1440179.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
ORA-600 signalled during: alter database open...
数据库正常open失败,但是可以upgrade启动.根据对trace文件的分析,定位到问题在HISTGRM$表上面,进一步分析该表结构为
CREATE TABLE SYS.HISTGRM$
(
OBJ# NUMBER,
COL# NUMBER,
ROW# NUMBER,
BUCKET NUMBER,
ENDPOINT NUMBER,
INTCOL# NUMBER,
EPVALUE VARCHAR2(1000 BYTE),
SPARE1 NUMBER,
SPARE2 NUMBER
)
CLUSTER SYS.C_OBJ#_INTCOL#(OBJ#, INTCOL#);
这个和ORA-600 6711错误相匹配了
ERROR:
ORA-600 [6711] [a] [b] 1 [d]
VERSIONS:
versions 6.0 to 12.1
DESCRIPTION:
This error is generated when we find more blocks on a cluster key
chain than are supposed to be there.
Usually this indicates that the chain contains a loop within itself. We
cannot have more than 65535 blocks in a chain.
ARGUMENTS:
Arg [a] beginning DBA
Arg [b] table slot number (in table index)
Arg {c} dba of key next in chain
Arg [d] row slot of key next in chain
需要处理该错误,也就是需要处理CLUSTER SYS.C_OBJ#_INTCOL#,这个可以通过重建来实现,但是当重建之时发生
ORA-00600: internal error code, arguments: [kkoipt:invalid aptyp], [0], [0], [], [], [], [], [], [], [], [], []
ORA-08102: index key not found, obj# 39, file 1, block 1374829 (2)
这里错误比较明显obj#=39为obj$的i_obj4的index的记录和表不匹配,导致任何ddl无法执行,因此如果要处理C_OBJ#_INTCOL#就必须要先处理i_obj4的问题.通过一些技巧重建i_obj4,然后重建C_OBJ#_INTCOL#,数据库终于可以正常打开.由于大量数据字典不一致,exp/expdp导出依旧有问题,通过dblink直接拉数据到新库,完成本次恢复
补充说明:1. 在这个库的恢复过程中,我们还使用了大量的event和隐含参数,因为比较常规而且不涉及核心环节,因为未列举出来;2. 由于当时操作记录未能够保留日志因此相关操作步骤无法贴出来,本文只能提供恢复处理思路
再次提醒各位数据库做好备份,做好巡检工作,哪怕是强大的Oracle exadata也禁不起无备份折腾,数据重于一切
原文来自:http://www.xifenfei.com/2016/07/exadata火线救援:10tb级数据恢复-强制拉库篇.html
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