Now you see, that is 5 star answer :) Thank you very much Marcus
@Nux, will confirm what Marcus said, as you proposed with top and ther stuff - I just wanted confirmation/info, that I got from Marcus. On 26 February 2015 at 10:26, Marcus <shadow...@gmail.com> wrote: > The volume is downloaded by the SSVM into secondary storage under the > volumes directory. It will sit there until you choose to attach it > somewhere, at which point a CopyCommand will be sent to a hypervisor > that has access to the primary storage for the cluster on which the > target VM is running to copy from secondary to primary. This will be > handled by the appropriate StorageAdaptor for the primary storage type > (most likely LibvirtStorageAdaptor, which will qemu-img it, converting > to RAW format for RBD/LVM, or just a plain cp last I checked for QCOW2 > to QCOW2).Then an AttachCommand will be sent to the hypervisor on > which the target vm is running (if it is running) and it will be > hotplugged. > > On Thu, Feb 26, 2015 at 1:05 AM, Andrija Panic <andrija.pa...@gmail.com> > wrote: > > Thx Lucian, > > > > that was my guessing, but would like some confirmation if anyone familiar > > with this... > > > > Thanks > > > > On 25 February 2015 at 17:57, Nux! <n...@li.nux.ro> wrote: > > > >> Not a CEPH user, but what I believe happens is your HV mounts the NFS > >> storage and then does something like "qemu-img convert" to move it into > >> CEPH. > >> > >> HTH > >> Lucian > >> > >> -- > >> Sent from the Delta quadrant using Borg technology! > >> > >> Nux! > >> www.nux.ro > >> > >> ----- Original Message ----- > >> > From: "Andrija Panic" <andrija.pa...@gmail.com> > >> > To: dev@cloudstack.apache.org, us...@cloudstack.apache.org > >> > Sent: Wednesday, 25 February, 2015 12:09:59 > >> > Subject: Uploading of Volume - how does what here ? > >> > >> > Hi guys, > >> > > >> > I'm just uploading a Volume, and I guess it will end up on the CEPH > >> storage > >> > that we are using. > >> > > >> > So my qyestion would be: VOLUME will end up on the primary storage in > the > >> > end, but right now, I can see that the SSVM is actuall y downloading > the > >> > Volume from internet, and writing it to Secondary Storage at the > moment. > >> > > >> > WHat happens next - I know that both SSVM and ofcoure my NFS server, > can > >> > not write/talk at all to CEPH ? > >> > > >> > Does maybe some randomly choosen host, mounts Secondary Storage NFS, > read > >> > Volume, and upload/write to CEPH ? (Since only hypervisor hosts can > >> > actually talk to CEPH) > >> > > >> > Thanks in advance for clarification... > >> > > >> > -- > >> > > >> > Andrija Panić > >> > > > > > > > > -- > > > > Andrija Panić > -- Andrija Panić
