I have a Dell PE2590 with a PERC5 handling a 6 disk RAID5 array. Write-back caching is enabled but it's defaulting to write-through. This is obviously murdering performance (writes = 30Mbps vs 300Mbps ...

The effect caused by using a write-back cache. Data are written to the cache first and, later, during idle machine cycles or at some specified time, are written to disk if there is a disk cache or to ...

Going through the BIOS menu afterward I noticed that the default for Advanced Options > Drive Write Cache is "Disabled". Does this mean that all the drivex in the box (which are attached to the ...