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Hello! Torben Frey wrote: [..snip..] > watching "vmstat 1" in another window - and this is what surprised me: > when I stopped the copy job, there were 22 more seconds when data was > still written to the backup software raid. Is this a hint where the > problem could be? I have the same "feature" when I write to my 3ware. > [..snip..] AFAIK, this is because you have some GB of memory (RAM) that are beeing used as disk-cache. It took 22 seconds for the cached writes-to-disk being flushed to the device. If 22 seconds is too much for the amount of cached disk-writes is another story :) Maybe 3ware controllers are slow with many disks? Try the same with only 3 disks to eliminate this variable. Regards, Nuno Silva - 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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