[one-users] onehost sync
Jaime Melis
jmelis at opennebula.org
Wed Nov 6 07:26:13 PST 2013
Hi,
yes, that's probably the problem actually. Does it work if it's enabled?
cheers,
Jaime
On Fri, Oct 25, 2013 at 6:35 PM, Olivier Sallou <olivier.sallou at irisa.fr>wrote:
>
> On 10/25/2013 06:22 PM, Jaime Melis wrote:
>
> Hi Olivier,
>
> I don't know what could be going on. When the core detects that the
> remotes_dir has been "touched" by the "onehost sync", then it sends a
> special argument to the driver which forces an 'scp' of the remotes...
>
> As a workaround I can only tell you what you already know, which is to
> manually scp the remotes over to the hosts... To debug it, we could gdb the
> oned process and see what's going on, especifically here:
>
> https://github.com/OpenNebula/one/blob/one-3.8/src/im/InformationManager.cc#L224
>
> One of my hosts is "down" (I have set it down with the onehost command).
>
> I wonder if:
>
> rc = hpool->discover(&discovered_hosts, host_limit, target_time);
>
> if ((rc != 0) || (discovered_hosts.empty() == true))
> {
> return;
> }
>
>
>
> would not do a return because of my host is not up.....
>
>
> The upcoming OpenNebula 4.4 version won't have this problem, though. The
> scp will be triggered by the actual 'onehost sync' command, instead of the
> core. This is an advantage in many ways because it'll be easier to debug
> and because you can select what hosts/clusters to update:
>
> https://github.com/OpenNebula/one/blob/master/src/cli/one_helper/onehost_helper.rb#L161
>
> cheers,
> Jaime
>
>
> On Fri, Oct 25, 2013 at 5:14 PM, Olivier Sallou <olivier.sallou at irisa.fr>wrote:
>
>> As additional information,
>> there is no error in oned.log (nor any info about a sync operation), and
>> my node has been monitored in the meanwhile:
>>
>> oneadmin at genokvm4:~$ onehost show mynode
>> HOST 14
>> INFORMATION
>> ID : 14
>> NAME : mynode
>> CLUSTER : -
>> STATE : MONITORED
>> IM_MAD : im_ganglia
>> VM_MAD : vmm_kvm
>> VN_MAD : dummy
>> LAST MONITORING TIME : 10/25 17:09:27
>>
>> The "touch" made by the sync command succeed (/var/lib/one/remotes has
>> been updated), but no file is copied to remote nodes.
>>
>> On 10/25/2013 04:05 PM, Olivier Sallou wrote:
>> > Hi,
>> >
>> > I have executed "onehost sync" on my master, but even after quite a long
>> > time, scripts are not updated on nodes (old scripts).
>> >
>> > (master installed via deb packages, and in oned.conf:
>> > SCRIPTS_REMOTE_DIR=/opt/one)
>> >
>> > On master I have:
>> >
>> > root at master:/var/log/one# ls -l /var/lib/one/remotes/vmm/kvm/
>> > total 84
>> > -rwxr-xr-x 1 oneadmin oneadmin 2842 juil. 24 19:09 attach_disk
>> > -rwxr-xr-x 1 oneadmin oneadmin 1583 juil. 24 19:09 attach_nic
>> > -rwxr-xr-x 1 oneadmin oneadmin 1596 juil. 24 19:09 cancel
>> > -rwxr-xr-x 1 oneadmin oneadmin 1545 juil. 24 19:09 deploy
>> > -rwxr-xr-x 1 oneadmin oneadmin 1495 juil. 24 19:09 detach_disk
>> > -rwxr-xr-x 1 oneadmin oneadmin 1470 juil. 24 19:09 detach_nic
>> > -rw-r--r-- 1 oneadmin oneadmin 1790 juil. 24 19:09 kvmrc
>> > -rwxr-xr-x 1 oneadmin oneadmin 1455 juil. 24 19:09 migrate
>> > -rwxr-xr-x 1 oneadmin oneadmin 1381 juil. 24 19:09 migrate_local
>> > -rwxr-xr-x 1 oneadmin oneadmin 10402 juil. 24 19:09 poll
>> > -rwxr-xr-x 1 oneadmin oneadmin 2930 juil. 24 19:09 poll_ganglia
>> > -rwxr-xr-x 1 oneadmin oneadmin 1400 juil. 24 19:09 reboot
>> > -rwxr-xr-x 1 oneadmin oneadmin 1398 juil. 24 19:09 reset
>> > -rwxr-xr-x 1 oneadmin oneadmin 1376 juil. 24 19:09 restore
>> > -rwxr-xr-x 1 oneadmin oneadmin 1613 juil. 24 19:09 save
>> > -rwxr-xr-x 1 oneadmin oneadmin 2304 juil. 24 19:09 shutdown
>> > -rwxr-xr-x 1 oneadmin oneadmin 1522 juil. 24 19:09 snapshot_create
>> > -rwxr-xr-x 1 oneadmin oneadmin 1443 juil. 24 19:09 snapshot_delete
>> > -rwxr-xr-x 1 oneadmin oneadmin 1454 juil. 24 19:09 snapshot_revert
>> >
>> >
>> > but on node:
>> >
>> > root at mynode:~# ls -l /opt/one/vmm/kvm/
>> > total 48
>> > -rwxr-xr-x 1 oneadmin oneadmin 1386 2 avril 2012 cancel
>> > -rwxr-xr-x 1 oneadmin oneadmin 1545 2 avril 2012 deploy
>> > -rw-r--r-- 1 oneadmin oneadmin 1266 2 avril 2012 kvmrc
>> > -rwxr-xr-x 1 oneadmin oneadmin 1455 2 avril 2012 migrate
>> > -rwxr-xr-x 1 oneadmin oneadmin 1381 2 avril 2012 migrate_local
>> > -rwxr-xr-x 1 oneadmin oneadmin 8183 2 avril 2012 poll
>> > -rwxr-xr-x 1 oneadmin oneadmin 2324 2 avril 2012 poll_ganglia
>> > -rwxr-xr-x 1 oneadmin oneadmin 1400 2 avril 2012 reboot
>> > -rwxr-xr-x 1 oneadmin oneadmin 1376 2 avril 2012 restore
>> > -rwxr-xr-x 1 oneadmin oneadmin 1467 2 avril 2012 save
>> > -rwxr-xr-x 1 oneadmin oneadmin 2065 2 avril 2012 shutdown
>> >
>> > Any idea how to fix this ?
>> >
>> > Olivier
>> >
>>
>> --
>> Olivier Sallou
>> IRISA / University of Rennes 1
>> Campus de Beaulieu, 35000 RENNES - FRANCE
>> Tel: 02.99.84.71.95
>>
>> gpg key id: 4096R/326D8438 (keyring.debian.org)
>> Key fingerprint = 5FB4 6F83 D3B9 5204 6335 D26D 78DC 68DB 326D 8438
>>
>> _______________________________________________
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>>
>
>
>
> --
> Jaime Melis
> Project Engineer
> OpenNebula - Flexible Enterprise Cloud Made Simple
> www.OpenNebula.org | jmelis at opennebula.org
>
>
> --
> Olivier Sallou
> IRISA / University of Rennes 1
> Campus de Beaulieu, 35000 RENNES - FRANCE
> Tel: 02.99.84.71.95
>
> gpg key id: 4096R/326D8438 (keyring.debian.org)
> Key fingerprint = 5FB4 6F83 D3B9 5204 6335 D26D 78DC 68DB 326D 8438
>
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>
>
--
Jaime Melis
Project Engineer
OpenNebula - Flexible Enterprise Cloud Made Simple
www.OpenNebula.org | jmelis at opennebula.org
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