P460阵列卡配置

PMC的卡：

系统下使用命令./arcconf getconfig 1 ld 0 查看逻辑卷缓存状态

./arcconf setcache 1 deviceall disable         //关闭物理硬盘缓存

打开阵列卡Cache：arcconf setcache 1 logicaldrive 0 con

LSI的卡：

# storcli /cx show all |grep -i cache 查看盘的策略

storcli没找到关闭单盘的缓存命令，只有对vd的和阵列卡的缓存策略。

# storcli /cx/vx set iopolicy=<cached|direct>

This command sets the I/O policy on a virtual drive to cached I/O or direct I/O.

# storcli /cx/vx set pdcache=<on|off|default>

This command sets the current disk cache policy on a virtual drive to on, off, or default setting.

# storcli /cx/vx set rdcache=<ra|nora>

This command sets the read cache policy on a virtual drive to read ahead or no read ahead.

# storcli /cx/vx|vall set wrcache=<wt|wb|awb>

This command sets the write cache policy on a virtual drive to write back, write through, or always write back.