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Max Waterman wrote: > Jeff V. Merkey wrote: > >> Max Waterman wrote: >> >>> One further question. I get these messages 'in' dmesg : >>> >>> sda: asking for cache data failed >>> sda: assuming drive cache: write through >>> >>> How can I force it to be 'write back'? >> >> >> >> >> Forcing write back is a very bad idea unless you have a battery >> backed up RAID controller. > > > We do. > > In any case, I wonder what the consequences of assuming 'write > through' when the array is configured as 'write back'? Is it just > different settings for different caches? It is. This is something that should be configured in a RAID controller. OS should always be write through. Jeff > > Max. > >> Jeff >> >>> >>> Max. >>> - >>> To unsubscribe from this list: send the line "unsubscribe >>> linux-kernel" in >>> the body of a message to majordomo@vger.kernel.org >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> Please read the FAQ at http://www.tux.org/lkml/ >>> >> > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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