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From: malahal@us.ibm.com
To: linux-lvm@redhat.com
Subject: Re: [linux-lvm] lvm mirror read performance, no load balance with PV ?
Date: Tue, 24 Mar 2009 06:08:34 -0700	[thread overview]
Message-ID: <20090324130834.GA12309@us.ibm.com> (raw)
In-Reply-To: <af3e5b60903240440q671356f5xd4e8e8c92ace8a56@mail.gmail.com>

Sascha Thomas Spreitzer [sascha@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.

  reply	other threads:[~2009-03-24 13:08 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-24 11:40 [linux-lvm] lvm mirror read performance, no load balance with PV ? Sascha Thomas Spreitzer
2009-03-24 13:08 ` malahal [this message]
2009-03-24 16:04   ` Sascha Thomas Spreitzer
2009-03-24 16:12     ` malahal
2009-03-24 16:22       ` Sascha Thomas Spreitzer
2009-03-26 10:36         ` malahal
2009-03-26 11:03           ` Sascha Thomas Spreitzer

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