On Tue, Nov 01, 2022 at 01:36:17PM +0800, Zhiyong Ye wrote: > Hi all, > > I want to implement live migration of VMs in the lvm + lvmlockd + sanlock > environment. There are multiple hosts in the cluster using the same iscsi > connection, and the VMs are running on this environment using thinlv > volumes. But if want to live migrate the vm, it will be difficult since > thinlv which from the same thin pool can only be exclusive active on one > host. > > I found a previous subject that discussed this issue: > > https://lore.kernel.org/all/20180305165926.GA20527@xxxxxxxxxx/ Hi, in that email I tried to point out that the real problem is not the locking, but rather the inability of dm-thin to share a thin pool among multiple hosts. The locking restrictions just reflect that technical limitation. Dave _______________________________________________ linux-lvm mailing list linux-lvm@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
