Bryn M. Reeves wrote on Tue, 09 Dec 2008 10:30:54 +0000: I notice that I wrote "/dev/sda" where I should have written "/dev/sda3", of course. But I guess this doesn't make a difference. > pvmove thank you. I remember this command from reading the LVM how-to some months ago, but had forgotten by now. I had checked the pvchange command, but not this one. After reading man pvmove I'm not sure if using that would really be helpful. If I understand correctly using it will still copy a lot of data (all the data on the LVs). Basically it seems to move out all data from dev/sdan to a temporary lv, then move them back in to /dev/mdn. From my non-expert view this might create a quite "unfavorable" data layout as it is all happening within the same "data location" on the disk. And all in all it might also take longer than a brute-force approach. I had hoped there's some way to just move lvm metadata so that it knows it belongs to /dev/mdn and not /dev/sdan anymore. So, I wonder if it isn't as good or even better if I do the following: - break the raid array md2 (made from /dev/sda3 and /dev/sdb3 with duplicate PVs) - remove the PV on /dev/sda3 - recreate it and all LVs on /dev/md2 - copy over the data from the LVs on /dev/sdb3 ? Kai -- Kai Schätzl, Berlin, Germany Get your web at Conactive Internet Services: http://www.conactive.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/
