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。