Re: [openstack-dev] [cinder] Can I use lvm thin provisioning in mitaka?

2017-01-23 Thread Chris Friesen
On 01/23/2017 11:29 AM, Marco Marino wrote: At the moment I have: volume_clear=zero volume_clear_size=30 <-- MBR will be deleted here! with tick provisioning I think this can be a good solution in my case. Let me know what do you think about this. If security is not a concern then that's fine.

Re: [openstack-dev] [cinder] Can I use lvm thin provisioning in mitaka?

2017-01-23 Thread Marco Marino
At the moment I have: volume_clear=zero volume_clear_size=30 <-- MBR will be deleted here! with tick provisioning I think this can be a good solution in my case. Let me know what do you think about this. Thank you Marco 2017-01-23 17:21 GMT+01:00 Chris Friesen : >

Re: [openstack-dev] [cinder] Can I use lvm thin provisioning in mitaka?

2017-01-23 Thread Chris Friesen
On 01/21/2017 03:00 AM, Marco Marino wrote: Really thank you!! It's difficult for me find help on cinder and I think this is the right place! @Duncan, if my goal is to speeding up bootable volume creation, I can avoid to use thin provisioning. I can use image cache and in this way the "retrieve

Re: [openstack-dev] [cinder] Can I use lvm thin provisioning in mitaka?

2017-01-21 Thread Marco Marino
Really thank you!! It's difficult for me find help on cinder and I think this is the right place! @Duncan, if my goal is to speeding up bootable volume creation, I can avoid to use thin provisioning. I can use image cache and in this way the "retrieve from glance" and the "qemu-img convert to RAW"

Re: [openstack-dev] [cinder] Can I use lvm thin provisioning in mitaka?

2017-01-20 Thread Duncan Thomas
There's also cinder functionality called the 'generic image cache' that does this for you; see the (per-backend) config options: image_volume_cache_enabled, image_volume_cache_max_size_gb and image_volume_cache_max_count On 20 January 2017 at 16:54, Chris Friesen

Re: [openstack-dev] [cinder] Can I use lvm thin provisioning in mitaka?

2017-01-20 Thread Chris Friesen
On 01/20/2017 04:07 AM, Marco Marino wrote: Hi, I'm trying to use cinder with lvm thin provisioning. It works well and I'd like to know if there is some reason lvm thin should be avoided in mitaka release. I'm trying to use with max_over_subscription_ratio = 1.0 so I don't have problems with

[openstack-dev] [cinder] Can I use lvm thin provisioning in mitaka?

2017-01-20 Thread Marco Marino
Hi, I'm trying to use cinder with lvm thin provisioning. It works well and I'd like to know if there is some reason lvm thin should be avoided in mitaka release. I'm trying to use with max_over_subscription_ratio = 1.0 so I don't have problems with over subscription. I using thin provisioning