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Kvm forum 2013 - future integration points for oVirt storage
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Kvm forum 2013 - future integration points for oVirt storage

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What's new in oVirt 3.3 Storage? ...

What's new in oVirt 3.3 Storage?
Storage directions
Software Defined Storage
Storage Offloading
IO Performance
Replication
The future integration points for oVirt Storage
Openstack
DRDB
Extending oVIrt API
3.4 & Beyond

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    Kvm forum 2013 - future integration points for oVirt storage Kvm forum 2013 - future integration points for oVirt storage Presentation Transcript

    • The future integration points for oVirt storage Birds of a feather session Sean Cohen, Ayal Baron Red Hat KVM Forum, October 2013 1
    • Agenda ● What's new in oVirt 3.3 Storage? ● Storage directions ● ● Storage Offloading ● IO Performance ● ● Software Defined Storage Replication The future integration points for oVirt Storage ● ● DRDB ● ● Openstack Extending oVIrt API 3.4 & Beyond 2
    • What's new in oVirt 3.3 Storage? Business Continuity: ● ● Backup and Restore API for Independent Software Ve ndors (3.3.2) Manage Storage Connections (Multipath & DR)(3.3.1) Disk Management: ● Enable online virtual drive resize ● Virtio-SCSI support ● Disks Block Alignment scan ● Disk Hooks (for disk hot-plug/unplug) 3
    • Storage directions Software Defined Storage (SDS) ● ● ● GlusterFS native storage domain in oVirt 3.3 Converged Storage Hypervisor (self hosted) Storage Offloading: ● LibStorageMgmt integration ● Ability to plugin external storage array into oVirt/VDSM virtualization stack, in a vendor neutral way ● Can provide Array Offload capabilities, such as Snapshots/Clones, xCopy 4
    • Storage directions LibStorageMgmt Storage Offloading ● ● Open source, vendor agnostic library which provides an API for managing external storage arrays Current array support (varying levels of functionality) ● ● Linux software target SMI-I compliant arrays (NetApp, EMC etc) 5
    • Storage directions Storage Offloading: ● OpenStack CInder integration ● Storage offload by design ● LibSM Driver ● Existing Eco System IO Performance: ● On Hypervisors running multiple VMs all writes end up Random ● Bad for: ● SSD ● SMR 6
    • Storage Replication directions ● Array Based ● ● 3.3 DR support via Manage Storage Connections Distributed ● ● Ceph ● ● Gluster DRBD Hypervisor based ● ● QEMU-KVM Cinder? 7
    • Future integration points ● OpenStack Storage stack integration ● Glance - consumed in oVirt 3.3 ● Cinder ● ● ● Consume Provide Extending oVirt API ● oVirt third-party UI plug-in framework: ● ● NetApp VCS 1.0 integration available for oVirt 3.2 oVirt Backup & Restore API next phases: ● ● Leverage qemu-qa Microsoft Windows Volume Shadow Copy Service (VSS) Leverage qemu block layer Change Block Tracking (CBT) to cover incremental backups. 8
    • 3.4 & Beyond ● Get rid of Storage Pool Manager ● Proper iSCSI-multipathing ● Single disk snapshots ● Import existing storage domain ● Read-only disks ● Support VM Fleecing (qemu-kvm/Libvirt) ● Snapshots Live Merge 9
    • THANK YOU ! http://www.ovirt.org http://lists.ovirt.org/mailman/listinfo vdsm-devel@lists.fedorahosted.org engine-devel@ovirt.org #ovirt irc.oftc.net abaron@redhat.com scohen@redhat.com 10