Ubuntu
lvm2 package

  1. Bug #129488
  2. Comment #11

Comment 11 for bug 129488

Revision history for this message
Jack Wasey (jackwasey) wrote :

sudo blockdev --report

sudo blockdev --setra 16384 sd[abcd]

i've tried a few read-ahead amounts, and they all seem to show similar performance.
E.g. a raid 1 rebuild jumped from ~46 to ~52 MiB/s after command.