What it's pros and con? I need to know because i am in process preparing some server ro deploy.
On 5 Sep 2013, at 11:19 PM, "Gangur, Hrushikesh (HP Converged Cloud - R&D - Sunnyvale)" <hrushikesh.gan...@hp.com> wrote: > Yes, it could be a SAN - A block storage attached to compute node. But, it > has its pros and cons. > > From: Mahardhika [mailto:mahardika.gil...@andalabs.com] > Sent: Wednesday, September 04, 2013 11:46 PM > To: Gangur, Hrushikesh (HP Converged Cloud - R&D - Sunnyvale) > Cc: Openstack Milis > Subject: Re: [Openstack] Question About Multinode and Swift > > Yeah i thought of that way, could it be SAN that attach to > /var/lib/nova/instance? > so in this way swift is just for database / object thing . > thanks so much. > On 9/5/2013 1:36 PM, Gangur, Hrushikesh (HP Converged Cloud - R&D - > Sunnyvale) wrote: > Yes, the compute node’s sizing must be done in terms of CPU, Memory and Disk > based on the flavor being selected. If you want to host 50 vms that have > flavor specs 1 vcpu, 2 gb RAM, 10 gb root disk each, you need a compute node > with 500 GB instance repository, 72 GB Memory, 16 core CPU. > > Instead of local repository, you may like to mount /var/lib/nova/instances as > an NFS. This way it would be compute node independent and you easily migrate > VM instances across compute nodes (in case of failure). > > Regards~hrushi > > From: Mahardhika [mailto:mahardika.gil...@andalabs.com] > Sent: Wednesday, September 04, 2013 11:28 PM > To: Gangur, Hrushikesh (HP Converged Cloud - R&D - Sunnyvale) > Cc: Openstack Milis > Subject: Re: [Openstack] Question About Multinode and Swift > > So, in this case we can't separate them to another server? > so thats mean we need large hardisk for compute node, is that right? > On 9/5/2013 12:48 PM, Gangur, Hrushikesh (HP Converged Cloud - R&D - > Sunnyvale) wrote: > vm instances' root and ephemeral disk data are stored in compute node's > /var/lib/nova/instances. for storing user data i.e persistent, you must use > cinder's block storage or swifts object store. > > Cheers ~hrushi > > > On Sep 4, 2013, at 10:19 PM, "Mahardhika" <mahardika.gil...@andalabs.com> > wrote: > > Dear all, i have some question around my head. > > 1. i have compute node and running KVM hypervisor in there, controller node > and network node. > question is, in where data that instance run store? is it on compute node? > 2. if i want to store all data in separate node let say using swift (swift > node), can this happen? > 3. what is flavor used to store data? i mean when i create instance with > selected flavor(ex:10GB), where that space that would be create? in swift > node? > 4. So if this can be done, in my compute node is just run KVM, and no data > store that. right? > > Thanks before. > -- > Regards, > Mahardhika Gilang > > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > > -- > Regards, > Mahardhika Gilang > >
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