On 05/23/2013 03:41 PM, Bob Marley wrote: > On 23/05/2013 15:22, Bernd Schubert wrote: >> >> Yeah, I know and I'm using iostat already. md raid6 does not do rmw, >> but does not fill the device queue, afaik it flushes the underlying >> devices quickly as it does not have barrier support - that is another >> topic, but was the reason why I started to test btrfs. > > MD raid6 DOES have barrier support! >
For underlying devices yes, but it does not further use it for additional buffering. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
