Re: [vdsm] Remove and Add host does not work

2012-02-28 Thread Deepak C Shetty

On 02/28/2012 06:46 PM, Itamar Heim wrote:

On 02/28/2012 02:48 PM, Deepak C Shetty wrote:

Hi,
I had a host managed via OE, completely working fine. Was even able to
create and run VMs off it.
I tried removing the host from the OE (put host into maint. mode and
then remove) and when i re-discover
the same host, OE just keeps seeing it as Non-responsive.


what do you mean by re-discover?



I just meant that i removed the host and re-added it by selecting New 
on the Hosts tab

and putting the IP and hostname.



I am able to ssh into the host and see that none of the vdsm processes
have been started.
I tried doing Confirm host has been rebooted on the OE, did not help.
I tried putting
host into maint. mode and re-activating the host, just doesn't help


did you do any change to the host?
just removing it from engine shouldn't cause vdsm to know/care and 
should work just like before.




Nothing changed on the host. In fact when i removed and added the host back
it says everything is installed so does nothing but reboots the host, 
post reboot
vdsm does not start automatically and host status is non-responsive 
on OE




I waited for ~45 mins thinking OE might connect to the host, start vdsm
and get me the Up status
but it failed.

Do i need to manually start vdsm in such a scenario on the host ?
Are there ways or methods to have OE forcibly start vdsm on the host ?

thanx,
deepak

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Re: [vdsm] Remove and Add host does not work

2012-02-28 Thread Itamar Heim

On 02/28/2012 03:22 PM, Deepak C Shetty wrote:

On 02/28/2012 06:46 PM, Itamar Heim wrote:

On 02/28/2012 02:48 PM, Deepak C Shetty wrote:

Hi,
I had a host managed via OE, completely working fine. Was even able to
create and run VMs off it.
I tried removing the host from the OE (put host into maint. mode and
then remove) and when i re-discover
the same host, OE just keeps seeing it as Non-responsive.


what do you mean by re-discover?



I just meant that i removed the host and re-added it by selecting New
on the Hosts tab
and putting the IP and hostname.



I am able to ssh into the host and see that none of the vdsm processes
have been started.
I tried doing Confirm host has been rebooted on the OE, did not help.
I tried putting
host into maint. mode and re-activating the host, just doesn't help


did you do any change to the host?
just removing it from engine shouldn't cause vdsm to know/care and
should work just like before.



Nothing changed on the host. In fact when i removed and added the host back
it says everything is installed so does nothing but reboots the host,
post reboot
vdsm does not start automatically and host status is non-responsive
on OE


if vdsm does not start, OE is correct...
does vdsm try to start and fails (and if so, log excerpt?)
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Re: [vdsm] Remove and Add host does not work

2012-02-28 Thread Deepak C Shetty

On 02/28/2012 06:57 PM, Itamar Heim wrote:

On 02/28/2012 03:22 PM, Deepak C Shetty wrote:

On 02/28/2012 06:46 PM, Itamar Heim wrote:

On 02/28/2012 02:48 PM, Deepak C Shetty wrote:

Hi,
I had a host managed via OE, completely working fine. Was even able to
create and run VMs off it.
I tried removing the host from the OE (put host into maint. mode and
then remove) and when i re-discover
the same host, OE just keeps seeing it as Non-responsive.


what do you mean by re-discover?



I just meant that i removed the host and re-added it by selecting New
on the Hosts tab
and putting the IP and hostname.



I am able to ssh into the host and see that none of the vdsm processes
have been started.
I tried doing Confirm host has been rebooted on the OE, did not 
help.

I tried putting
host into maint. mode and re-activating the host, just doesn't help


did you do any change to the host?
just removing it from engine shouldn't cause vdsm to know/care and
should work just like before.



Nothing changed on the host. In fact when i removed and added the 
host back

it says everything is installed so does nothing but reboots the host,
post reboot
vdsm does not start automatically and host status is non-responsive
on OE


if vdsm does not start, OE is correct...
does vdsm try to start and fails (and if so, log excerpt?)


Right, but I dont see any traces of vdsm trying to start. Nothing in the 
vdsm.log
thats relevant to this. I just did chkconfig --list and don't see vdsmd 
in that, could

that be the reason.

On the host I manually did `service vdsmd restart` and then everythign works
fine.





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Re: [vdsm] Remove and Add host does not work

2012-02-28 Thread Itamar Heim

On 02/28/2012 03:31 PM, Deepak C Shetty wrote:

On 02/28/2012 06:57 PM, Itamar Heim wrote:

On 02/28/2012 03:22 PM, Deepak C Shetty wrote:

On 02/28/2012 06:46 PM, Itamar Heim wrote:

On 02/28/2012 02:48 PM, Deepak C Shetty wrote:

Hi,
I had a host managed via OE, completely working fine. Was even able to
create and run VMs off it.
I tried removing the host from the OE (put host into maint. mode and
then remove) and when i re-discover
the same host, OE just keeps seeing it as Non-responsive.


what do you mean by re-discover?



I just meant that i removed the host and re-added it by selecting New
on the Hosts tab
and putting the IP and hostname.



I am able to ssh into the host and see that none of the vdsm processes
have been started.
I tried doing Confirm host has been rebooted on the OE, did not
help.
I tried putting
host into maint. mode and re-activating the host, just doesn't help


did you do any change to the host?
just removing it from engine shouldn't cause vdsm to know/care and
should work just like before.



Nothing changed on the host. In fact when i removed and added the
host back
it says everything is installed so does nothing but reboots the host,
post reboot
vdsm does not start automatically and host status is non-responsive
on OE


if vdsm does not start, OE is correct...
does vdsm try to start and fails (and if so, log excerpt?)


Right, but I dont see any traces of vdsm trying to start. Nothing in the
vdsm.log
thats relevant to this. I just did chkconfig --list and don't see vdsmd
in that, could
that be the reason.

On the host I manually did `service vdsmd restart` and then everythign
works
fine.







you are basically saying re-installing a host causes vdsm to not start 
by default.
reproducing this again to make sure and opening a bug seems the right 
course.
trying to trace the install flow to provide root cause or even a patch 
would help more to fix this

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Re: [vdsm] Remove and Add host does not work

2012-02-28 Thread Deepak C Shetty

On 02/28/2012 07:11 PM, Itamar Heim wrote:

On 02/28/2012 03:31 PM, Deepak C Shetty wrote:

On 02/28/2012 06:57 PM, Itamar Heim wrote:

On 02/28/2012 03:22 PM, Deepak C Shetty wrote:

On 02/28/2012 06:46 PM, Itamar Heim wrote:

On 02/28/2012 02:48 PM, Deepak C Shetty wrote:

Hi,
I had a host managed via OE, completely working fine. Was even 
able to

create and run VMs off it.
I tried removing the host from the OE (put host into maint. mode and
then remove) and when i re-discover
the same host, OE just keeps seeing it as Non-responsive.


what do you mean by re-discover?



I just meant that i removed the host and re-added it by selecting 
New

on the Hosts tab
and putting the IP and hostname.



I am able to ssh into the host and see that none of the vdsm 
processes

have been started.
I tried doing Confirm host has been rebooted on the OE, did not
help.
I tried putting
host into maint. mode and re-activating the host, just doesn't help


did you do any change to the host?
just removing it from engine shouldn't cause vdsm to know/care and
should work just like before.



Nothing changed on the host. In fact when i removed and added the
host back
it says everything is installed so does nothing but reboots the host,
post reboot
vdsm does not start automatically and host status is 
non-responsive

on OE


if vdsm does not start, OE is correct...
does vdsm try to start and fails (and if so, log excerpt?)


Right, but I dont see any traces of vdsm trying to start. Nothing in the
vdsm.log
thats relevant to this. I just did chkconfig --list and don't see vdsmd
in that, could
that be the reason.

On the host I manually did `service vdsmd restart` and then everythign
works
fine.







you are basically saying re-installing a host causes vdsm to not 
start by default.
reproducing this again to make sure and opening a bug seems the right 
course.
trying to trace the install flow to provide root cause or even a patch 
would help more to fix this


Are you saying that vdsmd service should start by default post reboot 
and its entry

should be listed as part of chkconfig --list ?


Found this examining the vds bootstrap complete py log

2012-02-28 23:45:32,022 DEBUGdeployUtil 707 _updateFileLine: return: 
True

2012-02-28 23:45:32,022 DEBUGdeployUtil 228 setVdsConf: ended.
2012-02-28 23:45:32,022 DEBUGdeployUtil 103 ['/bin/systemctl', 
'reconfigure', 'vdsmd.service']

2012-02-28 23:45:32,026 DEBUGdeployUtil 107
2012-02-28 23:45:32,026 DEBUGdeployUtil 108 Unknown operation 
reconfigure


2012-02-28 23:45:32,026 DEBUGdeployUtil 103 ['/sbin/reboot']
2012-02-28 23:45:32,325 DEBUGdeployUtil 107



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