Adaptec 2020ZCR Reference Guide - Page 123
read_cache_enable{=boolean}, FALSE, unprotected{=boolean}, write_cache_enable, unprotected
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container Commands Switches /read_cache_enable{=boolean} Specifies whether to enable the read-ahead cache. If you set this switch to TRUE, the command enables the read-ahead cache for the specified array. This switch should always be enabled to optimize performance, unless your application-which is unlikely--is doing completely random reads. This switch defaults to TRUE. To disable the read-ahead cache for the specified array, set this switch to FALSE. Note that if you disable the read-ahead cache, no other characteristics can be set. /unprotected{=boolean} Specifies whether to set the array's NVRAM write-back cache to disable, enable when protected, or enable always. You use this switch in conjunction with the /write_cache_enable switch to accomplish the desired setting. See the write_cache_enable switch for more information. /write_cache_enable{=boolean} Specifies whether to set the array's NVRAM write-back cache to disable, enable when protected, or enable always. You use this switch in conjunction with the /unprotected switch to accomplish the desired setting. 3-92