On Sun, 2013-07-07 at 20:50 +0200, Milan Broz wrote: > For LUKS is it trivial, LVM is more complex > but should align to MD chunk/stripe properly as well. Shouldn't one get that automatically by simply setting the --dataalignment of the PVs to a multiple of the chunk size (or even better of the stripe size)... and shouldn't the default alignment against the 1MiB boundary (as in LUKS) work just well? Is there any other hidden complexity I haven't realised, yet (when aligning LVMs on top of MD, optionally with LUKS in between)? > TBH I have no idea, I no longer work for Red Hat (which maintains DM). :( > My response to these patches is still the same, see > http://permalink.gmane.org/gmane.linux.kernel/1464414 Well I haven't that detailed insight for sure... but your arguments sound quite reasonable ;) Thanks again for answering here :) I think many users of stacked MD/dmcrypt setups may benefit from this. Cheers, Chris.
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