Thanks Geoff, i wasnt aware of this global setting ! this feature will speed up my vm deployments !!!!
"This automatic clean up can be disabled by updating the global setting storage.template.cleanup.enabled" Thanks prashant S On Tue, Apr 28, 2015 at 7:58 AM, Geoff Higginbottom < geoff.higginbot...@shapeblue.com> wrote: > The first time a template is used, it is copied from Secondary to Primary, > then the VM is created, and in the case of XenServer is created as a > Œlinked clone¹. This linking of the VM to the Template means that whilst > there are VMs allocated to Primary Storage, the templates that the VMs are > using will always remain on Primary Storage. > > If a 2nd VM is created based on the same template, the template is already > on Primary Storage so is not copied again. > > If all the VMs which were using a Template are deleted or migrated to > alternate storage, the Template is no longer required and will be deleted > from Primary Storage. > > This automatic clean up can be disabled by updating the global setting > storage.template.cleanup.enabled > > 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 | 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 28/04/2015 15:13, "cs user" <acldstk...@gmail.com> wrote: > > >Hi All, > > > >Quick question with regards to xenserver and deploying a cloudstack > >instance from a template stored within secondary storage. > > > >In this case it is secondary storage using NFS and deploying to local disk > >on the xenserver. (cloudstack 4.3, Xen 6.0.1) > > > >I believe this script is used to pull down the template: > >/opt/cloud/bin/copy_vhd_from_secondarystorage.sh > > > >I'm seeing a big variation when deploying 3 servers, for example. 2 of the > >servers might start very quickly and one may take longer. > > > >Is there any caching of the template taking place on the xen host its > >self? > >If a host has previously deployed a template, and is then asked to deploy > >a > >new instance using the template, will it have to go back to secondary > >storage again or can it use a local cache of the vhd file? > > > >Many thanks in advance for any responses. > > > >Cheers! > > 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 Software Engineering< > http://shapeblue.com/cloudstack-software-engineering/> > 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 SA Pty Ltd is > a company registered by The Republic of South Africa and is traded under > license from Shape Blue Ltd. ShapeBlue is a registered trademark. >
