higher agcount on LVM2 thinp volumes

Chris Murphy lists at colorremedies.com
Fri Aug 30 12:55:50 CDT 2013


On Aug 29, 2013, at 9:38 PM, Dave Chinner <david at fromorbit.com> wrote:
> 
> So, what dm-thinp is trying to tell us is that the minimum
> *physical* IO size is 512 bytes (i.e. /sys/.../physical_block_size)
> but the efficient IO size is 256k. So dm-thinp is exposing the
> information incorrectly. What it shoul dbe doing is setting both the
> minimum_io_size and the optimal_io_size to the same value of 256k…

Should I file a bug? Against lvm2?



Chris Murphy


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