From: Lars Ellenberg <lars.ellenberg@linbit.com>
To: linux-lvm@redhat.com
Subject: Re: [linux-lvm] Mirroring implementation
Date: Mon, 27 Jul 2009 16:10:32 +0200 [thread overview]
Message-ID: <20090727141032.GC8046@barkeeper1-xen.linbit> (raw)
In-Reply-To: <20090727135628.GA3782@us.ibm.com>
On Mon, Jul 27, 2009 at 06:56:28AM -0700, malahal@us.ibm.com wrote:
> brem belguebli [brem.belguebli@gmail.com] wrote:
> > Hi,
> > I have a few questions concerning LVM mirror implementation, and I
> > couldn't find any suitable design doc
> > I need to setup a dual site ( a few miles between the 2 sites, around 1 ms
> > RTD) mirror based cluster system.
>
> You need asynchronous mirroring (remote replication module). This is not
> in mainline (not sure if included in the latest RHEL release). The
> following comments apply to dm-mirror module that is already in the
> mainline.
There is also MD RAID1, see man mdadm, the --write-mostly and --write-behind options.
And of course, DRBD http://www.drbd.org
which is not RAID1 turned into replication,
but a dedicated replication solution.
--
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com
next prev parent reply other threads:[~2009-07-27 14:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-26 10:12 [linux-lvm] Mirroring implementation brem belguebli
2009-07-27 13:56 ` malahal
2009-07-27 14:10 ` Lars Ellenberg [this message]
2009-07-27 14:45 ` brem belguebli
2009-07-28 12:38 ` Roy Sigurd Karlsbakk
2009-07-28 13:50 ` brem belguebli
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