redhat服务器硬盘io突然高导致死机是怎么回事呢?

AlexMing 发布于 2012/02/06 18:15
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服务器系统是Red hat 5.4 64位, apache 2.2.15 + php 5.3.6+ mysql 5.1.57,运行有discuz x2程序。最近每天都会出现一两次 io读写过高, 导致cpu跑满,最终宕机的问题。以下是今天宕机后的messages记录以及iostat。

Feb  6 23:39:53 redhat kernel: md: Autodetecting RAID arrays.
Feb  6 23:39:53 redhat kernel: md: autorun ...
Feb  6 23:39:53 redhat kernel: md: ... autorun DONE.
Feb  6 23:39:53 redhat kernel: device-mapper: multipath: version 1.0.5 loaded
Feb  6 23:39:53 redhat kernel: EXT3 FS on hda3, internal journal
Feb  6 23:39:53 redhat kernel: kjournald starting.  Commit interval 5 seconds
Feb  6 23:39:53 redhat kernel: EXT3 FS on hda1, internal journal
Feb  6 23:39:53 redhat kernel: EXT3-fs: mounted filesystem with ordered data mode.
Feb  6 23:39:53 redhat kernel: Adding 2096472k swap on /dev/hda2.  Priority:-1 extents:1 across:2096472k
Feb  6 23:39:53 redhat kernel: IA-32 Microcode Update Driver: v1.14a <tigran@veritas.com>
Feb  6 15:43:03 redhat kernel: mtrr: type mismatch for f0000000,100000 old: uncachable new: write-combining
Feb  6 15:43:03 redhat kernel: mtrr: type mismatch for f0000000,400000 old: uncachable new: write-combining
Feb  6 15:46:35 redhat syslogd 1.4.1: restart.



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红薯
红薯
天啊,73%,该不会是硬盘出问题了吧
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