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javahp

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[升级] 数据库故障引起主机挂起？？

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发表于 2013-12-9 17:49:47 | 查看: 4583| 回复: 13

本帖最后由 javahp 于 2013-12-10 11:43 编辑

最近一套系统发现异常的问题，
起初主机A上跑着oracle，B机跑应用，在运行一段时间后A机主机挂死，将鼠标，键盘，显示器连上主机也毫无反应，crontab的调度也不行，osw进程也不在记录日志，只能重启机器，而B机正常(已经发生过多次故障)。
随即将oracle 迁移到B机，运行一段时间后B机挂死，现象和A机故障时一样(已经发生过多次故障)，而在从将db迁移到B机后，A机正常。

求大神们帮忙。

SQL> select * from v$version;

BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi
PL/SQL Release 10.2.0.4.0 - Production
CORE 10.2.0.4.0    Production
TNS for Linux: Version 10.2.0.4.0 - Production
NLSRTL Version 10.2.0.4.0 - Production

SQL>  show parameter sga

NAME_COL_PLUS_SHOW_PARAM    TYPE             VALUE_COL_PLUS_SHOW_PARAM
------------------------------ ------------------------------ --------------------
lock_sga                      boolean                      FALSE
pre_page_sga                boolean                      FALSE
sga_max_size                big integer                   12G
sga_target                   big integer                   12G

SQL>  show parameter pga

NAME_COL_PLUS_SHOW_PARAM    TYPE                         VALUE_COL_PLUS_SHOW_
------------------------------ ------------------------------ --------------------
pga_aggregate_target          big integer                   3204M

[oracle@localhost ~]$ uname -a
Linux localhost 2.6.18-238.2.AXS3 #1 SMP Tue May 17 10:04:54 CST 2011 x86_64 x86_64 x86_64 GNU/Linux

[oracle@localhost ~]$ free -g
         total    used    free    shared buffers    cached
Mem:          31       4       26       0       0       2
-/+ buffers/cache:       1       29
Swap:          31       0       31

部分的osw报告
===============================================
==========top_13.12.09.1500.dat
zzz ***2013年 12月 09日星期一 15:39:59 CST
Tasks: 207 total, 2 running, 205 sleeping, 0 stopped, 0 zombie
Cpu(s):  2.5%us, 12.4%sy,  0.0%ni, 84.9%id,  0.2%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:  32922268k total, 11370712k used, 21551556k free, 118576k buffers
Swap: 33551712k total,  1881064k used, 31670648k free,  6460320k cached

  PID USER    PR  NI  VIRT  RES  SHR S %CPU %MEM TIME+  COMMAND
9183 oracle 25 0  129m  65m 1032 S 17.8  0.2 993:56.12 OSWatcher.sh
21055 oracle 18 0 12768 1172  820 R  2.0  0.0 0:00.02 top
21314 oracle 15 0 12.1g 2.9g 2.9g S  2.0  9.3 6:24.06 oracle
10953 oracle 15 0 12.1g 116m 110m S  1.0  0.4 0:20.86 oracle
21210 oracle 25 0    0 0 0 R  1.0  0.0 0:00.01 OSWatcher.sh
1 root    15 0 10368  668  564 S  0.0  0.0 0:03.01 init
2 root    RT  -5    0 0 0 S  0.0  0.0 0:30.89 migration/0

============ meminfo_13.12.09.1500.dat
zzz ***一 12月 9 15:39:59 CST 2013
MemTotal:    32922268 kB
MemFree:    21560128 kB
Buffers:       118576 kB
Cached:       6460256 kB
SwapCached: 1530524 kB
Active:       8615040 kB
Inactive:    2400520 kB
HighTotal:          0 kB
HighFree:          0 kB
LowTotal:    32922268 kB
LowFree:    21560128 kB
SwapTotal: 33551712 kB
SwapFree:    31670648 kB
Dirty:          100 kB
Writeback:          0 kB
AnonPages:    2906716 kB
Mapped:       4793636 kB
Slab:          67956 kB
PageTables:    214368 kB
NFS_Unstable:       0 kB
Bounce:             0 kB
CommitLimit:  50012844 kB
Committed_AS: 16441784 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 280020 kB
VmallocChunk: 34359457911 kB
HugePages_Total:    0
HugePages_Free:    0
HugePages_Rsvd:    0
Hugepagesize:    2048 kB

=============================================

系统日志 /var/log/messages 在故障时无任何记录
oracle 日志在故障时我任何记录