Hi Geoff, What if the VM is stopped and not running anywhere ? which is my case.
We have 10 GB LACP and jumbo frames. Cheers On Wed, Jun 4, 2014 at 5:02 PM, Geoff Higginbottom < geoff.higginbot...@shapeblue.com> wrote: > Ivan, > > The Host actually copies the image to Sec Storage, if this is very slow > have you considered dedicating some NICs and configuring the CloudStack > 'Storage' network and enabling Jumbo Frames etc. > > Regards > > Geoff Higginbottom > CTO / Cloud Architect > > D: +44 20 3603 0542<tel:+442036030542> | S: +44 20 3603 0540<tel: > +442036030540> | M: +447968161581<tel:+447968161581> > > geoff.higginbot...@shapeblue.com<mailto:geoff.higginbot...@shapeblue.com> > | www.shapeblue.com<htp://www.shapeblue.com/> | Twitter:@cloudstackguru< > https://twitter.com/#!/cloudstackguru> > > ShapeBlue Ltd, 53 Chandos Place, Covent Garden, London, WC2N > 4HS<x-apple-data-detectors://5> > > > On 4 Jun 2014, at 07:19, "Ivan Rodriguez" <ivan...@gmail.com<mailto: > ivan...@gmail.com>> wrote: > > Dear Cloudstack users, > > Can someone explain me roughly the process of creating an snapshot in KVM ? > > The process takes a very long time, the speed at what the qcow2 file is > copied from primary to secondary storage is extremely slow, on the storage > level > I can see is around 4 Mbps but I know our primary storage and secondary can > dump data faster than that > > So far this is what I know > > Step > 1.- Pause the VM in the host > 2.- Create the snapshot of the qcow2 files using qemu-img > 3.- Backup the image into secondary storage > > So my question is who is actually copying that file over to secondary > storage ? > I've checked the secondary storage vm and it doesn't look like its playing > any role during this process. > > Thanks in advance > Find out more about ShapeBlue and our range of CloudStack related services > > IaaS Cloud Design & Build< > http://shapeblue.com/iaas-cloud-design-and-build//> > CSForge - rapid IaaS deployment framework<http://shapeblue.com/csforge/> > CloudStack Consulting<http://shapeblue.com/cloudstack-consultancy/> > CloudStack Infrastructure Support< > http://shapeblue.com/cloudstack-infrastructure-support/> > CloudStack Bootcamp Training Courses< > http://shapeblue.com/cloudstack-training/> > > This email and any attachments to it may be confidential and are intended > solely for the use of the individual to whom it is addressed. Any views or > opinions expressed are solely those of the author and do not necessarily > represent those of Shape Blue Ltd or related companies. If you are not the > intended recipient of this email, you must neither take any action based > upon its contents, nor copy or show it to anyone. Please contact the sender > if you believe you have received this email in error. Shape Blue Ltd is a > company incorporated in England & Wales. ShapeBlue Services India LLP is a > company incorporated in India and is operated under license from Shape Blue > Ltd. Shape Blue Brasil Consultoria Ltda is a company incorporated in Brasil > and is operated under license from Shape Blue Ltd. ShapeBlue is a > registered trademark. >
