search for: drive_mirror

Displaying 4 results from an estimated 4 matches for "drive_mirror".

2015 Feb 11
2
Re: [libvirt] vm live storage migration with snapshots
...If we do not have any shared storage resource between source and destination (eg. long distance VM migration), how can we migrate the latest new data to the destination? we can copy the base, mid to destination manually, then how can we migrate the active snapshot( new data goes in)? I learned that drive_mirror in qemu is built to finish this, but do not understand clearly. Could you elaborate for me, or provide an example? > > In fact, if you can create yet another (temporary) external snapshot, > but this time on shared storage, and have storage backends that let you > instantly remap back...
2015 Feb 11
0
Re: [libvirt] vm live storage migration with snapshots
...y shared storage resource between > source and destination (eg. long distance VM migration), how can we migrate > the latest new data to the destination? we can copy the base, mid to > destination manually, then how can we migrate the active snapshot( new data > goes in)? I learned that drive_mirror in qemu is built to finish this, but > do not understand clearly. Could you elaborate for me, or provide an > example? Use 'virsh migrate --copy-storage-inc' to migrate only the incremental changes, which assumes that the destination can already see the same read-only backing data th...
2015 Feb 11
2
vm live storage migration with snapshots
Hi all, I'm investigating the ways to improve the live migration performance in libvirt. I have a question about the vm live storage migration. the platform is libvirt + qemu + kvm If we want to migrate a running vm with its virtual disk images to another node. we can use 'virsh migrate ....' commands. What if this vm has a number of disk-only external snapshots? In the current
2015 Feb 11
2
Re: [libvirt] vm live storage migration with snapshots
...een > > source and destination (eg. long distance VM migration), how can we > migrate > > the latest new data to the destination? we can copy the base, mid to > > destination manually, then how can we migrate the active snapshot( new > data > > goes in)? I learned that drive_mirror in qemu is built to finish this, > but > > do not understand clearly. Could you elaborate for me, or provide an > > example? > > Use 'virsh migrate --copy-storage-inc' to migrate only the incremental > changes, which assumes that the destination can already see the s...