On Fri, 29 Aug 2014 04:26:18 +0000 Andy Smith <andy@xxxxxxxxxxxxxx> wrote: > On Fri, Aug 29, 2014 at 02:18:12PM +1000, NeilBrown wrote: > > Of course 'size' is in kilobytes, not sectors (which moron did that !??!?!) > > > > echo 309363696 > /sys/block/md2/md/dev-sda3/size > > Sorry, still no joy: > > # echo 309363696 > /sys/block/md2/md/dev-sda3/size > # cat /sys/block/md2/md/dev-sda3/size > 309363264 Try use "/bin/echo" so you get an error message. Also try smaller numbers. Can you write anything larger than what is already there? Increasing by 64 (match the 128 sectors that mdadm wants for new_offset) should be enough. NeilBrown
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