Re: [ceph-users] Erasure coding general information Openstack+kvm virtual machine block storage

2016-09-16 Thread Erick Perez - Quadrian Enterprises
Thanks Wes and Josh for your answers. So, for more production-like environments and more tested procedures in case of failures the default replication seems to be the way to go. Perhaps in next release we will add a storage node with EC. Thanks, On Fri, Sep 16, 2016 at 7:25 AM, Wes Dillingham w

Re: [ceph-users] Erasure coding general information Openstack+kvm virtual machine block storage

2016-09-16 Thread Wes Dillingham
Erick, You can use erasure coding but it has to be fronted by a replicated cache tier, or so states the documentation, I have never set up this configuration, and always opt to use RBD directly on replicated pools. https://access.redhat.com/documentation/en/red-hat-ceph-storage/1.3/paged/storage-

Re: [ceph-users] Erasure coding general information Openstack+kvm virtual machine block storage

2016-09-15 Thread Josh Durgin
On 09/16/2016 09:46 AM, Erick Perez - Quadrian Enterprises wrote: Can someone point me to a thread or site that uses ceph+erasure coding to serve block storage for Virtual Machines running with Openstack+KVM? All references that I found are using erasure coding for cold data or *not* VM block acc