本帖最后由 botang 于 2016-11-22 23:00 编辑
以下是orcl.example.com的alert日志:
......
Mon Nov 21 21:26:01 2016
Beginning globalcheckpoint up to RBA [0x4f.35a0.10],SCN: 1618358
Completed checkpoint upto RBA [0x4f.35a0.10],SCN: 1618358
Mon Nov 2121:34:56 2016 Incremental checkpoint upto RBA [0x4f.392f.0], current log tailat RBA [0x4f.3c6f.0]
Mon Nov 21 21:50:362016
ALTER SYSTEM SET fast_start_mttr_target=1 SCOPE=BOTH;
ALTERSYSTEM SET fast_start_mttr_target=3601 SCOPE=BOTH;
Tue Nov 2215:01:12 2016 Thread 1 cannot allocate new log, sequence 80
Privatestrand flush not complete
Current log# 1 seq# 79 mem# 0:+DATA/orcl/onlinelog/group_1.261.816169635
Current log# 1 seq# 79mem# 1: +FRA/orcl/onlinelog/group_1.257.816169637
Beginning logswitch checkpoint up to RBA [0x50.2.10],SCN: 1622078
Thread 1advanced to log sequence 80 (LGWR switch) Current log# 2 seq# 80 mem#0: +DATA/orcl/onlinelog/group_2.262.816169639 Current log# 2 seq# 80mem# 1: +FRA/orcl/onlinelog/group_2.258.816169639
Tue Nov 22 15:01:162016 Archived Log entry 71 added for thread 1 sequence 79 ID0x501b221c dest 1:
Tue Nov 22 15:06:24 2016 Completed checkpointup to RBA [0x50.2.10],SCN: 1622078
Tue Nov 2215:10:14 2016 Incremental checkpoint upto RBA [0x50.ecb.0], current log tail atRBA [0x50.3351.0]
Tue Nov 22 15:40:232016 Incremental checkpoint up to RBA[0x50.4c1d.0], current log tail at RBA[0x50.512b.0]
Tue Nov 22 16:00:06 2016
Beginning log switchcheckpoint up to RBA [0x51.2.10],SCN: 1628428 Thread 1advanced to log sequence 81 (LGWR switch) Current log# 3 seq# 81 mem#0: +DATA/orcl/onlinelog/group_3.263.816169641 Current log# 3 seq# 81mem# 1: +FRA/orcl/onlinelog/group_3.259.816169641
Tue Nov 22 16:00:072016 Archived Log entry 72 added for thread 1 sequence 80 ID0x501b221c dest 1:
Tue Nov 22 16:05:14 2016 Completed checkpointup to RBA [0x51.2.10],SCN: 1628428
Tue Nov 2216:10:34 2016 Incremental checkpoint upto RBA [0x51.c44.0], current log tail atRBA [0x51.10ae.0]
Tue Nov 22 16:40:432016 Incremental checkpoint upto RBA[0x51.2100.0], current log tail at RBA[0x51.2557.0]
Tue Nov 22 17:10:55 2016 Incrementalcheckpoint up to RBA [0x51.46d3.0],current log tail at RBA [0x51.4c2d.0]
Tue Nov 22 17:41:04 2016 Incremental checkpointup to RBA [0x51.5d1b.0], currentlog tail at RBA [0x51.60a5.0]
Tue Nov 2220:41:38 2016 Thread 1 cannot allocate new log, sequence 82 Privatestrand flush not complete Current log# 3 seq# 81 mem# 0:+DATA/orcl/onlinelog/group_3.263.816169641 Current log# 3 seq# 81mem# 1: +FRA/orcl/onlinelog/group_3.259.816169641
Beginning logswitch checkpoint up to RBA [0x52.2.10],SCN: 1636053 Thread 1advanced to log sequence 82 (LGWR switch) Current log# 1 seq# 82 mem#0: +DATA/orcl/onlinelog/group_1.261.816169635 Current log# 1 seq# 82mem# 1: +FRA/orcl/onlinelog/group_1.257.816169637
Tue Nov 22 20:41:422016 Archived Log entry 73 added for thread 1 sequence 81 ID0x501b221c dest 1:
Tue Nov 22 20:46:51 2016 Completed checkpointup to RBA [0x52.2.10],SCN: 1636053
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