I read the whole thread and it looks like the write cache should always be disabled as in the worst case, the performance is the same(?).
This is based on this discussion.
I will test some WD4002FYYZ which don't mention "media cache".
Kevin
Am Di., 13. Nov. 2018 um 09:27 Uhr schrieb Виталий Филиппов <vitalif@xxxxxxxxxx>:
This may be the explanation:
https://serverfault.com/questions/857271/better-performance-when-hdd-write-cache-is-disabled-hgst-ultrastar-7k6000-and
Other manufacturers may have started to do the same, I suppose.
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