[dm-devel] raid1 round-robin scheduler

[Bryn M. Reeves]

On Sat, Dec 06, 2014 at 02:10:10AM +0400, Vasiliy Tolstov wrote:
> 2014-12-05 17:34 GMT+03:00 Bryn M. Reeves <bmr at redhat.com>:
> > As Zdenek says today the MD-based dm-raid targets are now available
> > and those should expose all the features of the MD stack (including
> > read balancing).
> 
> 
> Sorry, but i don't understand what it mean. Can you exmplain me in
> more detail how can i get that i need?

You can create LVM2 LVs that use the MD RAID personalities by using
the --type switch to lvcreate, e.g.:

# lvcreate --type raid1 -n lv_raid1 -L 10g vg_data

This then uses MD for the mirroring instead of the old dm-mirror
target.

Regards,
Bryn.