[linux-lvm] lvm mirror read performance, no load balance with PV ?
malahal at us.ibm.com
malahal at us.ibm.com
Tue Mar 24 13:08:34 UTC 2009
Sascha Thomas Spreitzer [sascha at spreitzer.name] wrote:
> Hello mailing list,
>
> I currently sensed that LVM2 is not load balancing reads of mirrored
> LV's form their corresponding PV.
Yes, it just reads from the default_mirror (i.e. primary mirror leg).
There is a read-balancing patch. It is not upstream yet and most likely
not there in your kernel either.
Thanks, Malahal.
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