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IBM RS/6000巡检内容及操作指导

 2008-09-06 08:22:48 来源:WEB开发网   
核心提示: 2.LOW water mark for pending write I/Os # lsattr -El sys0|grep minpout 输出判断: 结果应为 minpout 24LOW water mark for pending write I/Os per fileTrue 更改

2.LOW water mark for pending write I/Os

# lsattr -El sys0|grep minpout

输出判断:

结果应为

minpout   24   LOW water mark for pending write I/Os per file  True

更改命令为:

#chdev -l sys0 -a maxpout='33' -a minpout='24'

3.Syncd参数

# grep syncd /sbin/rc.boot

输出判断:

结果应为

nohup /usr/sbin/syncd 10 >; /dev/null 2>;&1 &

更改命令为:

#vi /sbin/rc.boot

4.aio参数

# lsdev -Cc aio

输出判断:

结果应为

aio0 Available Asynchronous I/O

# lsattr -El aio0

输出判断:

结果应为

  minservers 1     MINIMUM number of servers        True
  maxservers 10    MAXIMUM number of servers        True
  maxreqs  4096   Maximum number of REQUESTS        True
  kprocprio 39    Server PRIORITY             True
  autoconfig available STATE to be configured at system restart True
  fastpath  enable  State of fast path            True

更改命令为:

#smitty aio

5.Limits文件的设置:

#ulimit –a

输出判断:

结果应为

  time(seconds)    unlimited
  file(blocks)     2097151
  data(kbytes)     262144 //尤其是这项参数
  stack(kbytes)    32768
  memory(kbytes)    32768
  coredump(blocks)   2097151
  nofiles(descriptors) 2000

更改命令为:

#vi /etc/security/limits

更改data为524288

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Tags:IBM RS 巡检

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