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如何确定 E 系列上是否启用了写入缓存

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适用于

  • E 系列控制器固件 7.xx
  • E 系列控制器固件 8.xx

说明

有几种方法可以检查是否启用了缓存;最简单的方法如下所示:

方法 1 : storage-array-profile

缓存设置按卷报告,可以在STORAGE-ARRAY-PROFILE E 系列支持集合的“”文件中的“标准卷”部分下找到。

潜在状态:

Write cache:   Enabled
Write cache:   Disabled
Write cache:   Enabled   (currently suspended) <- Indicates controller suspended cache for some reason. Will need to be investigated.

 

请参见附加示例 STORAGE-ARRAY-PROFILE.

方法 2 : state - capture-data

缓存设置也可以在“STATE-CAPTURE-DATA”、“ccmShowState”下的“CacheDeviceFlags”中找到:

潜在状态:

RCE = Read Cache Enabled
RCA = Read Cache Active
RCD = Read Cache Disabled
RCD = Read Cache Inactive
WCE = Write Cache Enabled
WCA = Write Cache Active
WCD = Write Cache Disabled
WCI = Write Cache Inactive
CME = Cache Mirroring Enabled
CMA = Cache Mirroring Active
CMD = Cache Mirroring Disabled
CMI = Cache Mirroring Inactive
WC_INTERNALLY_DISABLED  <- Indicates controller suspended cache for some reason. Will need to be investigated.
CM_INTERNALLY_DISABLED  <- Indicates controller suspended cache for some reason. Will need to be investigated.

请参见附加示例STATE-CAPTURE-DATA

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