[please remember to keep linux-raid cc:ed] On Mon, Dec 19 2016, Jure Erznožnik wrote: > I wrote this in OP: iosnoop shows COMM=[idle, md0_raid5, kworker] as > processes working on the disk. Blocks reported are 8, 16 (data size a > few KB) and 18446744073709500000 (data size 0). That last one must be > some virtual thingie as the disks are nowhere near that large. > > Does this answer the question or did you mean something else? Maybe if you just make the blktrace logs available somewhere and I will look at them myself. NeilBrown
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