Re: [ceph-users] KVM+Ceph: Live migration of I/O-heavy VM

2018-12-11 Thread Kevin Olbrich
> > Assuming everything is on LVM including the root filesystem, only moving > > the boot partition will have to be done outside of LVM. > > Since the OP mentioned MS Exchange, I assume the VM is running windows. > You can do the same LVM-like trick in Windows Server via Disk Manager > though; add

Re: [ceph-users] KVM+Ceph: Live migration of I/O-heavy VM

2018-12-11 Thread Ronny Aasen
On 11.12.2018 12:59, Kevin Olbrich wrote: Hi! Currently I plan a migration of a large VM (MS Exchange, 300 Mailboxes and 900GB DB) from qcow2 on ext4 (RAID1) to an all-flash Ceph luminous cluster (which already holds lot's of images). The server has access to both local and cluster-storage, I on

Re: [ceph-users] KVM+Ceph: Live migration of I/O-heavy VM

2018-12-11 Thread Ronny Aasen
On 11.12.2018 17:39, Lionel Bouton wrote: Le 11/12/2018 à 15:51, Konstantin Shalygin a écrit : Currently I plan a migration of a large VM (MS Exchange, 300 Mailboxes and 900GB DB) from qcow2 on ext4 (RAID1) to an all-flash Ceph luminous cluster (which already holds lot's of images). The server

Re: [ceph-users] KVM+Ceph: Live migration of I/O-heavy VM

2018-12-11 Thread Jack
We are using qemu storage migration regularly via proxmox Works fine, you can go on On 12/11/2018 05:39 PM, Lionel Bouton wrote: > > I believe OP is trying to use the storage migration feature of QEMU. > I've never tried it and I wouldn't recommend it (probably not very > tested and there is a

Re: [ceph-users] KVM+Ceph: Live migration of I/O-heavy VM

2018-12-11 Thread Graham Allan
On 12/11/2018 10:39 AM, Lionel Bouton wrote: Le 11/12/2018 à 15:51, Konstantin Shalygin a écrit : Currently I plan a migration of a large VM (MS Exchange, 300 Mailboxes and 900GB DB) from qcow2 on ext4 (RAID1) to an all-flash Ceph luminous cluster (which already holds lot's of images). The s

Re: [ceph-users] KVM+Ceph: Live migration of I/O-heavy VM

2018-12-11 Thread Lionel Bouton
Le 11/12/2018 à 15:51, Konstantin Shalygin a écrit : > >> Currently I plan a migration of a large VM (MS Exchange, 300 Mailboxes >> and 900GB DB) from qcow2 on ext4 (RAID1) to an all-flash Ceph luminous >> cluster (which already holds lot's of images). >> The server has access to both local and clu

Re: [ceph-users] KVM+Ceph: Live migration of I/O-heavy VM

2018-12-11 Thread Konstantin Shalygin
Currently I plan a migration of a large VM (MS Exchange, 300 Mailboxes and 900GB DB) from qcow2 on ext4 (RAID1) to an all-flash Ceph luminous cluster (which already holds lot's of images). The server has access to both local and cluster-storage, I only need to live migrate the storage, not machine