Ideally it would be on the definition of the primary storage but only applicable to KVM. If other hypervisors have different needs for the same storage they should also have a way to defining those settings. I am not sure what this would really look like yet as I am still just working to get the system up and running.
On Sun, Feb 17, 2013 at 11:49 PM, Rajesh Battala <rajesh.batt...@citrix.com>wrote: > Sounds great. > How are you planning to implement the cache config value. From GC > settings or as part of offering or a dynamic changeable param to the VM. > > Thanks > Rajesh Battala > > From: Jason Villalta [mailto:ja...@rubixnet.com] > Sent: Monday, February 18, 2013 9:51 AM > To: cloudstack-dev@incubator.apache.org > Subject: Re: Change qcow disk cache=none > > Yes I have gotten farther. I have the hard coded parameter changed and > the system Proxy VM is running now but I am running into issues with the > secondary storage vm. Troubleshooting that now. > > As for the cache setting, I think that still need to be setup as a > configurable option without a rebuild. Once I get the cloud fully > functional I will have some time to contribute to this issue. For now I > just need to get this up and running. > > Thanks, > > On Sun, Feb 17, 2013 at 11:11 PM, Rajesh Battala < > rajesh.batt...@citrix.com<mailto:rajesh.batt...@citrix.com>> wrote: > Now you were able to build and run the cloud right.! > > Thanks > Rajesh Battala > > From: Jason Villalta [mailto:ja...@rubixnet.com<mailto:ja...@rubixnet.com > >] > Sent: Monday, February 18, 2013 3:59 AM > To: cloudstack-dev@incubator.apache.org<mailto: > cloudstack-dev@incubator.apache.org> > Subject: Re: Change qcow disk cache=none > Got it, wrong maven version.. > On Sun, Feb 17, 2013 at 4:54 PM, Jason Villalta <ja...@rubixnet.com > <mailto:ja...@rubixnet.com><mailto:ja...@rubixnet.com<mailto: > ja...@rubixnet.com>>> wrote: > I tried this method to build 4.0.0 and I get 3 failed dependencies. Does > something in git need to be updated with different paths? > > error: error reading > /home/sysadmin/.m2/repository/org/apache/axis2/axis2-kernel/1.5.1/axis2-kernel-1.5.1.jar; > error in opening zip file > error: error reading > /home/sysadmin/.m2/repository/org/apache/axis2/mex/1.5.1/mex-1.5.1-impl.jar; > error in opening zip file > error: error reading > /home/sysadmin/.m2/repository/org/apache/axis2/axis2-mtompolicy/1.5.1/axis2-mtompolicy-1.5.1.jar; > error in opening zip file > > On Fri, Feb 15, 2013 at 10:16 AM, Marcus Sorensen <shadow...@gmail.com > <mailto:shadow...@gmail.com><mailto:shadow...@gmail.com<mailto: > shadow...@gmail.com>>> wrote: > If you just want to change 'none' to 'writeback' or something like that: > > git clone https://git-wip-us.apache.org/repos/asf/incubator-cloudstack.git > cd incubator-cloudstack > git checkout 4.0 > vi > ./plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java > # look for the one occurrence of 'none' in this file and change it as > you see fit > > Then build your packages > ( > https://cwiki.apache.org/CLOUDSTACK/building-with-maven.html#BuildingwithMaven-BuildingRPMpackages > ) > mvn install -P deps && ./waf rpm > or > mvn package -P deb > > If you want the fully configurable experience from GUI, with per > disk-offering settings, then you'd open the request, and it may make > it into 4.2 in May. Or you could pull the git repo and see if the > feature applies to 4.1 and build your own packages in a month or so > when the feature branch is ready. > On Fri, Feb 15, 2013 at 7:05 AM, Jason Villalta <ja...@rubixnet.com > <mailto:ja...@rubixnet.com><mailto:ja...@rubixnet.com<mailto: > ja...@rubixnet.com>>> wrote: > > So is there anyway to make this work today or will I have to wait > > until this is properly implemented? This may mean I need to take > > another look at openstack or opennebula and switch back. > > > > On Fri, Feb 15, 2013 at 9:00 AM, Wido den Hollander <w...@widodh.nl > <mailto:w...@widodh.nl><mailto:w...@widodh.nl<mailto:w...@widodh.nl>>> > wrote: > >> On 02/15/2013 02:31 PM, Jason Villalta wrote: > >>> > >>> Is there any way easy way to make this setting dependent on the > >>> storage definition? For example some primary storage may need this > >>> set to one value such as cache=writeback such as with the case of ZFS, > >>> GlusterFS, CEPH. Then other storage may want a different setting such > >>> as cache=writethough or none which is the case with a local ext4 > >>> storage or NFS. > >>> > >> > >> Exactly. > >> > >> I brought this up about a week ago, see this thread: > >> http://markmail.org/thread/qmrod55gfmhwzot4 > >> > >> It shouldn't be a global property, it should be defined per storage > pool, or > >> even better, per disk offering. > >> > >> Right now we are talking about the cache setting, but tomorrow it could > be a > >> different setting. > >> > >> Wido > >> > >> > >>> > >>> > >>> On Thu, Feb 14, 2013 at 11:08 PM, Rajesh Battala > >>> <rajesh.batt...@citrix.com<mailto:rajesh.batt...@citrix.com><mailto: > rajesh.batt...@citrix.com<mailto:rajesh.batt...@citrix.com>>> wrote: > >>>> > >>>> Hi Jason Villalta, > >>>> In LibvirtVmDef.java, there is DiskDef class , get the cache value > from > >>>> the Global config, while constructing the xml in the override method > the > >>>> class toString() specify the cache value, currently it is using > "none". > >>>> > >>>> NOTE: whenever there is change in GC value, MS should restart for the > >>>> value to take effect. > >>>> > >>>> Thanks > >>>> Rajesh Battala > >>>> > >>>>> -----Original Message----- > >>>>> From: Rajesh Battala [mailto:rajesh.batt...@citrix.com<mailto: > rajesh.batt...@citrix.com><mailto:rajesh.batt...@citrix.com<mailto: > rajesh.batt...@citrix.com>>] > >>>>> Sent: Friday, February 15, 2013 9:22 AM > >>>>> To: cloudstack-us...@incubator.apache.org<mailto: > cloudstack-us...@incubator.apache.org><mailto: > cloudstack-us...@incubator.apache.org<mailto: > cloudstack-us...@incubator.apache.org>>; cloudstack- > >>>>> d...@incubator.apache.org<mailto:d...@incubator.apache.org><mailto: > d...@incubator.apache.org<mailto:d...@incubator.apache.org>> > >>>>> Subject: RE: Change qcow disk cache=none > >>>>> > >>>>> Hi Jason Villalta, > >>>>> > >>>>> Can you raise the ticket for the same. I can work on it if you > assign to > >>>>> me. > >>>>> > >>>>> Thanks > >>>>> Rajesh Battala > >>>>> > >>>>>> -----Original Message----- > >>>>>> From: Edison Su [mailto:edison...@citrix.com<mailto: > edison...@citrix.com><mailto:edison...@citrix.com<mailto: > edison...@citrix.com>>] > >>>>>> Sent: Friday, February 15, 2013 4:59 AM > >>>>>> To: cloudstack-us...@incubator.apache.org<mailto: > cloudstack-us...@incubator.apache.org><mailto: > cloudstack-us...@incubator.apache.org<mailto: > cloudstack-us...@incubator.apache.org>> > >>>>>> Subject: RE: Change qcow disk cache=none > >>>>>> > >>>>>> The code is at https://git-wip-us.apache.org/repos/asf?p=incubator- > >>>>>> > cloudstack.git;a=blob;f=plugins/hypervisors/kvm/src/com/cloud/hypervis > >>>>>> or/kv > >>>>>> > >>>>> > m/resource/LibvirtVMDef.java;h=acfd9cf1fe8eba217f09e20adf3101d1295d51d > >>>>>> > >>>>>> a;hb=HEAD, search "cache". > >>>>>> you can add a global configuration in cloudstack, or add a > >>>>>> configuration in agent.properties, to specify cache attribute. > >>>>>> > >>>>>>> -----Original Message----- > >>>>>>> From: Jason Villalta [mailto:ja...@rubixnet.com<mailto: > ja...@rubixnet.com><mailto:ja...@rubixnet.com<mailto:ja...@rubixnet.com>>] > >>>>>>> Sent: Thursday, February 14, 2013 2:16 PM > >>>>>>> To: cloudstack-us...@incubator.apache.org<mailto: > cloudstack-us...@incubator.apache.org><mailto: > cloudstack-us...@incubator.apache.org<mailto: > cloudstack-us...@incubator.apache.org>> > >>>>>>> Subject: Re: Change qcow disk cache=none > >>>>>>> > >>>>>>> Ok, I see the folks at openstack ran into a similar issue. > >>>>>>> https://bugs.launchpad.net/nova/+bug/959637 > >>>>>>> > >>>>>>> How can I contribute to this? Can you recommend a part of the code > >>>>>>> to look at so I can build and test a patch? > >>>>>>> > >>>>>>> On Thu, Feb 14, 2013 at 5:13 PM, Edison Su <edison...@citrix.com > <mailto:edison...@citrix.com><mailto:edison...@citrix.com<mailto: > edison...@citrix.com>>> > >>>>>>> wrote: > >>>>>>>> > >>>>>>>> need to change cloudstack java code, right now, it's hard coded to > >>>>>>> > >>>>>>> "cache=none". > >>>>>>>> > >>>>>>>> > >>>>>>>>> -----Original Message----- > >>>>>>>>> From: Jason Villalta [mailto:ja...@rubixnet.com<mailto: > ja...@rubixnet.com><mailto:ja...@rubixnet.com<mailto:ja...@rubixnet.com>>] > >>>>>>>>> Sent: Thursday, February 14, 2013 1:45 PM > >>>>>>>>> To: cloudstack-us...@incubator.apache.org<mailto: > cloudstack-us...@incubator.apache.org><mailto: > cloudstack-us...@incubator.apache.org<mailto: > cloudstack-us...@incubator.apache.org>> > >>>>>>>>> Subject: Change qcow disk cache=none > >>>>>>>>> > >>>>>>>>> Is there a way to change this kvm disk cache setting in > >>>>>>>>> Cloudstack or > >>>>>>> > >>>>>>> template? > >>>>>>>>> > >>>>>>>>> If so where is the setting applied? > >>>>>>>>> > >>>>>>>>> -- > >>>>>>>>> -- > >>>>>>>>> Jason Villalta > >>>>>>>>> Co-founder > >>>>>>>>> 800.799.4407<tel:800.799.4407><tel:800.799.4407<tel:800.799.4407>> > | www.RubixTechnology.com<http://www.RubixTechnology.com>< > http://www.RubixTechnology.com> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> -- > >>>>>>> -- > >>>>>>> Jason Villalta > >>>>>>> Co-founder > >>>>>>> 800.799.4407<tel:800.799.4407><tel:800.799.4407<tel:800.799.4407>> > | www.RubixTechnology.com<http://www.RubixTechnology.com>< > http://www.RubixTechnology.com> > >>> > >>> > >>> > >>> > >> > > > > > > > > -- > > -- > > Jason Villalta > > Co-founder > > 800.799.4407<tel:800.799.4407><tel:800.799.4407<tel:800.799.4407>> | > www.RubixTechnology.com<http://www.RubixTechnology.com>< > http://www.RubixTechnology.com> > > > > -- > -- > Jason Villalta > Co-founder > [cid:ii_13a3276a82c64fe9] > 800.799.4407<tel:800.799.4407> | www.RubixTechnology.com< > http://www.RubixTechnology.com><http://www.rubixtechnology.com/> > > > > -- > -- > Jason Villalta > Co-founder > [cid:ii_13a3276a82c64fe9] > 800.799.4407<tel:800.799.4407> | www.RubixTechnology.com< > http://www.RubixTechnology.com><http://www.rubixtechnology.com/> > > > > -- > -- > Jason Villalta > Co-founder > [cid:ii_13a3276a82c64fe9] > 800.799.4407 | www.RubixTechnology.com<http://www.rubixtechnology.com/> > -- -- *Jason Villalta* Co-founder [image: Inline image 1] 800.799.4407 | www.RubixTechnology.com <http://www.rubixtechnology.com/>
