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 _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/