[Users] Host discovery failing due to host network being lost
Hi ovirt users, I was trying to check on IRC the below, did not get any replies, so sending this mail. Can someone help me understand what could be the issue that causing my managed host to lose network settings, when i try to discover it from ovirt-engine ? I have to then manually (using a remote console) re-setup the network.. it even overrites my ifcfg-eth0 file I see a new bridge getting added called ovirtmgmt and route entry corr. to that.. the ifcfg-eth0 also has that entry I feel that ovirt scripts running on the host should atleast take a backup of the ifcfg* files they modify so that in case of issues like these, user can login via remote console and restore the original ifcfg file. This is what i asked on IRC... responses appreciated... deepakcs> Hello, i just configured ovirt-engine and discovering my first managed host.. got some Qs <deepakcs> what diff does it make when i select "override ip tables" check box during new Host workflow ? * djasa has quit (Ping timeout: 480 seconds) <deepakcs> this is the second time i am discovering this host and everytime the host discovery hangs during "Installing" and if i check the host, it goes out of network.... has anybody faced this problem before ? <deepakcs> While discovering the host, the host network ipv4 address is gone ! and thus the host goes out of network Some more updates.. 1) I manually re-setup the host network, made it pingable, esp from the ovirt-engine node, and clicked on Re-install on the web gui, this time with the 'override ip tables' check enabled 2) this time it successfully completed the node bootstrap steps (as seen from the Events window) and status was Reboot 3) But after reboot the same thing happened.. the host lost ipv4 addr, route entries are completely gone and onthe web gui the host is seen as non-responsive, which is expected bcos the host is not on the network anymore... what is the reason the above is happening ?
Hi ovirt users, =20 I was trying to check on IRC the below, did not get any replies, so sendin= g this mail. Can someone help me understand what could be the issue that causing my man= aged host to lose network settings, when i try to discover it from ovirt-eng= ine ? I have to then manually (using a remote console) re-setup the network.. it= even overrites my ifcfg-eth0 file =20 I see a new bridge getting added called ovirtmgmt and route entry corr. to=
I feel that ovirt scripts running on the host should atleast take a backup= of the ifcfg* files they modify so that in case of issues like these, user c= an login via remote console and restore the original ifcfg file. =20 This is what i asked on IRC... responses appreciated... =20 deepakcs> Hello, i just configured ovirt-engine and discovering my first m= anaged host.. got some Qs <deepakcs> what diff does it make when i select "override ip tables" check= box during new Host workflow ? * djasa has quit (Ping timeout: 480 seconds) <deepakcs> this is the second time i am discovering this host and everytim= e the host discovery hangs during "Installing" and if i check the host, it g= oes out of network.... has anybody faced this problem before ? <deepakcs> While discovering the host, the host network ipv4 address is go= ne ! and thus the host goes out of network =20 Some more updates.. 1) I manually re-setup the host network, made it pingable, esp from the ov= irt-engine node, and clicked on Re-install on the web gui, this time with th= e 'override ip tables' check enabled 2) this time it successfully completed the node bootstrap steps (as seen f= rom the Events window) and status was Reboot 3) But after reboot the same thing happened.. the host lost ipv4 addr, rou= te entries are completely gone and onthe web gui the host is seen as non-res=
--Apple-Mail-AC421548-58A6-42D0-9436-F4095405E006 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On Jan 28, 2012, at 10:27, Deepak C Shetty <deepakcs@linux.vnet.ibm.com> wro= te: that.. the ifcfg-eth0 also has that entry ponsive, which is expected bcos the host is not on the network anymore...
=20 what is the reason the above is happening ?
Hi,=20 First, in order to understand the reason for bootstrap failures, please atta= ch engine.log (ovirt-engine) and node logs (under /tmp/vds_bootstrap.log, vd= s_installer.log). Second, what you describe regarding the loss of network could derive from th= e following reasons: - host is configured with bonding - but bonding is not configured correctly.= - NetworkManager interfere with networking config. - bridge (ovirtmgmt) is not set to with any BOOTPROTO or ONBOOT. Please attach network scripts (ifcfg-eth0, ifcfg-ovirtmgmt) and /var/log/mes= sages . Haim
=20 _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
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This is a multi-part message in MIME format. --------------020008080101020100040909 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit
Hi,
First, in order to understand the reason for bootstrap failures, please attach engine.log (ovirt-engine) and node logs (under /tmp/vds_bootstrap.log, vds_installer.log).
Second, what you describe regarding the loss of network could derive from the following reasons: - host is configured with bonding - but bonding is not configured correctly. - NetworkManager interfere with networking config. - bridge (ovirtmgmt) is not set to with any BOOTPROTO or ONBOOT.
Please attach network scripts (ifcfg-eth0, ifcfg-ovirtmgmt) and /var/log/messages .
Hi, I forgot to backup the ifcfg-eth0 for ovirtmgmt but i think ONBOOT was probably not there. BTW, before i attach any files here, is there a way to remove the host and re-discover it afresh ? ovirt web gui does not give me any option to remove.. the Remove is diabled and host is in Non Responsive state. How do i remove and start from scratch and then i can try to see if i can fix ifcfg-eth0 for ovirtmgmt ? Currently i am unable to remove the host. --------------020008080101020100040909 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html; charset=UTF-8" http-equiv="Content-Type"> </head> <body text="#000000" bgcolor="#ffffff"> <br> <blockquote cite="mid:E548E5C8-2D77-4E58-950D-26DE58B1F8F2@redhat.com" type="cite"> <div style="text-align: left; direction: ltr;">Hi, </div> <div style="text-align: left; direction: ltr;"><br> </div> <div style="text-align: left; direction: ltr;">First, in order to understand the reason for bootstrap failures, please attach engine.log (ovirt-engine) and node logs (under /tmp/vds_bootstrap.log, vds_installer.log).</div> <div style="text-align: left; direction: ltr;"><br> </div> <div style="text-align: left; direction: ltr;">Second, what you describe regarding the loss of network could derive from the following reasons:</div> <div style="text-align: left; direction: ltr;">- host is configured with bonding - but bonding is not configured correctly.</div> <div style="text-align: left; direction: ltr;">- NetworkManager interfere with networking config.</div> <div style="text-align: left; direction: ltr;">- bridge (ovirtmgmt) is not set to with any BOOTPROTO or ONBOOT.</div> <div style="text-align: left; direction: ltr;"><br> </div> <div style="text-align: left; direction: ltr;">Please attach network scripts (ifcfg-eth0, ifcfg-ovirtmgmt) and /var/log/messages .</div> <br> </blockquote> <br> <tt>Hi,<br> I forgot to backup the ifcfg-eth0 for ovirtmgmt but i think ONBOOT was probably not there.<br> BTW, before i attach any files here, is there a way to remove the host and re-discover it afresh ? <br> ovirt web gui does not give me any option to remove.. the Remove is diabled and host is in Non Responsive state.<br> How do i remove and start from scratch and then i can try to see if i can fix ifcfg-eth0 for ovirtmgmt ? Currently i am unable to remove the host.<br> </tt> </body> </html> --------------020008080101020100040909--
=20
Hi,=20 =20 First, in order to understand the reason for bootstrap failures, please a= ttach engine.log (ovirt-engine) and node logs (under /tmp/vds_bootstrap.log,= vds_installer.log). =20 Second, what you describe regarding the loss of network could derive from=
- host is configured with bonding - but bonding is not configured correct= ly. - NetworkManager interfere with networking config. - bridge (ovirtmgmt) is not set to with any BOOTPROTO or ONBOOT. =20 Please attach network scripts (ifcfg-eth0, ifcfg-ovirtmgmt) and /var/log/= messages . =20 =20 Hi, I forgot to backup the ifcfg-eth0 for ovirtmgmt but i think ONBOOT was=
--Apple-Mail-6FEA0081-096F-43B7-982A-2A0C8455E896 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On Jan 28, 2012, at 11:45, Deepak C Shetty <deepakcs@linux.vnet.ibm.com> wro= te: the following reasons: probably not there.
BTW, before i attach any files here, is there a way to remove the host and= re-discover it afresh ?=20 ovirt web gui does not give me any option to remove.. the Remove is diable= d and host is in Non Responsive state. How do i remove and start from scratch and then i can try to see if i can f= ix ifcfg-eth0 for ovirtmgmt ? Currently i am unable to remove the host.
Please move host to maintenance, under 'general' tab, you will find re-insta= ll option, or slightly remove the host and add it again. Please make sure to delete ovirtmgmt bridge before the re-install phase. --Apple-Mail-6FEA0081-096F-43B7-982A-2A0C8455E896 Content-Transfer-Encoding: 7bit Content-Type: text/html; charset=utf-8 <html><head></head><body bgcolor="#FFFFFF"><div><br><br></div><div><br>On Jan 28, 2012, at 11:45, Deepak C Shetty <<a href="mailto:deepakcs@linux.vnet.ibm.com">deepakcs@linux.vnet.ibm.com</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div> <meta content="text/html; charset=UTF-8" http-equiv="Content-Type"> <br> <blockquote cite="mid:E548E5C8-2D77-4E58-950D-26DE58B1F8F2@redhat.com" type="cite"> <div style="text-align: left; direction: ltr;">Hi, </div> <div style="text-align: left; direction: ltr;"><br> </div> <div style="text-align: left; direction: ltr;">First, in order to understand the reason for bootstrap failures, please attach engine.log (ovirt-engine) and node logs (under /tmp/vds_bootstrap.log, vds_installer.log).</div> <div style="text-align: left; direction: ltr;"><br> </div> <div style="text-align: left; direction: ltr;">Second, what you describe regarding the loss of network could derive from the following reasons:</div> <div style="text-align: left; direction: ltr;">- host is configured with bonding - but bonding is not configured correctly.</div> <div style="text-align: left; direction: ltr;">- NetworkManager interfere with networking config.</div> <div style="text-align: left; direction: ltr;">- bridge (ovirtmgmt) is not set to with any BOOTPROTO or ONBOOT.</div> <div style="text-align: left; direction: ltr;"><br> </div> <div style="text-align: left; direction: ltr;">Please attach network scripts (ifcfg-eth0, ifcfg-ovirtmgmt) and /var/log/messages .</div> <br> </blockquote> <br> <tt>Hi,<br> I forgot to backup the ifcfg-eth0 for ovirtmgmt but i think ONBOOT was probably not there.<br> BTW, before i attach any files here, is there a way to remove the host and re-discover it afresh ? <br> ovirt web gui does not give me any option to remove.. the Remove is diabled and host is in Non Responsive state.<br> How do i remove and start from scratch and then i can try to see if i can fix ifcfg-eth0 for ovirtmgmt ? Currently i am unable to remove the host.<br> </tt> </div></blockquote><br><div>Please move host to maintenance, under 'general' tab, you will find re-install option, or slightly remove the host and add it again.</div><div>Please make sure to delete ovirtmgmt bridge before the re-install phase.</div><div><br></div></body></html> --Apple-Mail-6FEA0081-096F-43B7-982A-2A0C8455E896--
On 01/28/2012 03:24 PM, Haim Ateya wrote:
Hi, I forgot to backup the ifcfg-eth0 for ovirtmgmt but i think ONBOOT was probably not there. BTW, before i attach any files here, is there a way to remove the host and re-discover it afresh ? ovirt web gui does not give me any option to remove.. the Remove is diabled and host is in Non Responsive state. How do i remove and start from scratch and then i can try to see if i can fix ifcfg-eth0 for ovirtmgmt ? Currently i am unable to remove the host.
Please move host to maintenance, under 'general' tab, you will find re-install option, or slightly remove the host and add it again. Please make sure to delete ovirtmgmt bridge before the re-install phase.
Host cannot be moved to Maintenance mode, since there is no network connectivity between ovirt and host (due to the above issues).. ovirt tries to put the host into maint mode, but does not and reverts the status back to non responsive, because of this I am never ever able to delete the host.. i think this is a bug because such issues will be common in user environments & there should be a way for the user to delete the host and start afresh irrespective of the host status.. any reason why Remove is disabled when host is in non responsive state ?
On 01/31/2012 07:23 AM, Deepak C Shetty wrote:
On 01/28/2012 03:24 PM, Haim Ateya wrote:
Hi, I forgot to backup the ifcfg-eth0 for ovirtmgmt but i think ONBOOT was probably not there. BTW, before i attach any files here, is there a way to remove the host and re-discover it afresh ? ovirt web gui does not give me any option to remove.. the Remove is diabled and host is in Non Responsive state. How do i remove and start from scratch and then i can try to see if i can fix ifcfg-eth0 for ovirtmgmt ? Currently i am unable to remove the host.
Please move host to maintenance, under 'general' tab, you will find re-install option, or slightly remove the host and add it again. Please make sure to delete ovirtmgmt bridge before the re-install phase.
Host cannot be moved to Maintenance mode, since there is no network connectivity between ovirt and host (due to the above issues).. ovirt tries to put the host into maint mode, but does not and reverts the status back to non responsive, because of this I am never ever able to delete the host.. i think this is a bug because such issues will be common in user environments & there should be a way for the user to delete the host and start afresh irrespective of the host status.. any reason why Remove is disabled when host is in non responsive state ?
not being able to move the host to maintenance sounds like a bug indeed, can you please attach engine logs to the bug. for the network issue- i would have looked at https://bugzilla.redhat.com/show_bug.cgi?id=785557 as well, to see this isn't your problem. Moran.
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
On 01/31/2012 12:29 PM, Moran Goldboim wrote:
On 01/31/2012 07:23 AM, Deepak C Shetty wrote:
Host cannot be moved to Maintenance mode, since there is no network connectivity between ovirt and host (due to the above issues).. ovirt tries to put the host into maint mode, but does not and reverts the status back to non responsive, because of this I am never ever able to delete the host.. i think this is a bug because such issues will be common in user environments & there should be a way for the user to delete the host and start afresh irrespective of the host status.. any reason why Remove is disabled when host is in non responsive state ?
not being able to move the host to maintenance sounds like a bug indeed, can you please attach engine logs to the bug. for the network issue- i would have looked at https://bugzilla.redhat.com/show_bug.cgi?id=785557 as well, to see this isn't your problem. Moran.
Where are the engine logs, in /tmp, i tried to look but could not find.
On 01/31/2012 01:07 PM, Deepak C Shetty wrote:
On 01/31/2012 12:29 PM, Moran Goldboim wrote:
On 01/31/2012 07:23 AM, Deepak C Shetty wrote:
Host cannot be moved to Maintenance mode, since there is no network connectivity between ovirt and host (due to the above issues).. ovirt tries to put the host into maint mode, but does not and reverts the status back to non responsive, because of this I am never ever able to delete the host.. i think this is a bug because such issues will be common in user environments & there should be a way for the user to delete the host and start afresh irrespective of the host status.. any reason why Remove is disabled when host is in non responsive state ?
not being able to move the host to maintenance sounds like a bug indeed, can you please attach engine logs to the bug. for the network issue- i would have looked at https://bugzilla.redhat.com/show_bug.cgi?id=785557 as well, to see this isn't your problem. Moran.
Where are the engine logs, in /tmp, i tried to look but could not find.
you can find the engine logs at : /var/log/ovirt-engine/ the log needed for that matter is engine.log (latest), you can also use the engine-log-collector tool installed. Moran.
On 01/31/2012 07:23 AM, Deepak C Shetty wrote:
On 01/28/2012 03:24 PM, Haim Ateya wrote:
Hi, I forgot to backup the ifcfg-eth0 for ovirtmgmt but i think ONBOOT was probably not there. BTW, before i attach any files here, is there a way to remove the host and re-discover it afresh ? ovirt web gui does not give me any option to remove.. the Remove is diabled and host is in Non Responsive state. How do i remove and start from scratch and then i can try to see if i can fix ifcfg-eth0 for ovirtmgmt ? Currently i am unable to remove the host.
Please move host to maintenance, under 'general' tab, you will find re-install option, or slightly remove the host and add it again. Please make sure to delete ovirtmgmt bridge before the re-install phase.
Host cannot be moved to Maintenance mode, since there is no network connectivity between ovirt and host (due to the above issues).. ovirt tries to put the host into maint mode, but does not and reverts the status back to non responsive, because of this I am never ever able to delete the host.. i think this is a bug because such issues will be common in user environments & there should be a way for the user to delete the host and start afresh irrespective of the host status.. any reason why Remove is disabled when host is in non responsive state ?
is the host the SPM or running any VMs? you should be able to fence it via power management, or just right click and "confirm manual shutdown" so engine will know it is not consuming these resources any more.
is the host the SPM or running any VMs? you should be able to fence it via power management, or just right click and "confirm manual shutdown" so engine will know it is not consuming these resources any more.
No, the host is not running in VMs. I am not sure how to look for spm in the host. In fact right now even vdsm i dont see it under ps output. I did not configure power mgmt, since for the same host i had tried configuring pwrmgmt and ovirt gave some error, so when i tried afresh, i did not check pwrmgmt. I don't see confirm manual shutdown option, when i right click the host. I see Confirm reboot.... i say yes and ok, but it still goes back to non responsive state. Do i need to open a BZ for reporting this issue, or I can start by attaching logs here in the mail ?
On 01/31/2012 01:11 PM, Deepak C Shetty wrote:
is the host the SPM or running any VMs? you should be able to fence it via power management, or just right click and "confirm manual shutdown" so engine will know it is not consuming these resources any more.
No, the host is not running in VMs. I am not sure how to look for spm in the host. In fact right now even vdsm i dont see it under ps output. I did not configure power mgmt, since for the same host i had tried configuring pwrmgmt and ovirt gave some error, so when i tried afresh, i did not check pwrmgmt.
SPM is the last column in the hosts main tab.
I don't see confirm manual shutdown option, when i right click the host. I see Confirm reboot.... i say yes and ok, but it still goes back to non responsive state.
Do i need to open a BZ for reporting this issue, or I can start by attaching logs here in the mail ?
i suspect a bug will be more productive, but doing a few rounds with log excerpts is valid as well.
Hi Itamar, My reply with the attachments is on hold since the size is around 114KB I tried with and without .tar, the same happens, so not sure how to send the attachments otherwise to this email thread.
On 01/31/2012 04:55 PM, Deepak C Shetty wrote:
Hi Itamar, My reply with the attachments is on hold since the size is around 114KB I tried with and without .tar, the same happens, so not sure how to send the attachments otherwise to this email thread.
1. i got it, since you cc'd me directly. 2. karsten - can we change the limit on users@ovirt.org to something in MBs? thanks
On 01/31/2012 05:09 PM, Itamar Heim wrote:
On 01/31/2012 04:55 PM, Deepak C Shetty wrote:
Hi Itamar, My reply with the attachments is on hold since the size is around 114KB I tried with and without .tar, the same happens, so not sure how to send the attachments otherwise to this email thread.
1. i got it, since you cc'd me directly. 2. karsten - can we change the limit on users@ovirt.org to something in MBs?
thanks _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Deepak, can you please look for SetVdsStatusVDSCommand following a MaintananceVdsCommand in /var/log/ovirt-engine/engine.log if you were having a problem with this command it is most likely for an ERROR to appear around there. Moran.
On 01/31/2012 09:55 AM, Deepak C Shetty wrote:
Hi Itamar, My reply with the attachments is on hold since the size is around 114KB I tried with and without .tar, the same happens, so not sure how to send the attachments otherwise to this email thread.
___________
Either attach them to the wiki, and then link the page. just specify the id you want and someone can create you an account. Or the other option is to attach them to a BZ. The reason we moderate attachments to the list is to not spam all users with attachments. :-) Carl.
On 02/01/2012 12:02 AM, Carl Trieloff wrote:
On 01/31/2012 09:55 AM, Deepak C Shetty wrote:
Hi Itamar, My reply with the attachments is on hold since the size is around 114KB I tried with and without .tar, the same happens, so not sure how to send the attachments otherwise to this email thread.
___________
Either attach them to the wiki, and then link the page. just specify the id you want and someone can create you an account. Or the other option is to attach them to a BZ.
The reason we moderate attachments to the list is to not spam all users with attachments. :-)
what is the current limit? 114KB means even a screen shot won't pass through.
Last time I tried to send an attachment I found the limit to be 40KB. - Chris -----Original Message----- From: users-bounces@ovirt.org [mailto:users-bounces@ovirt.org] On Behalf Of Carl Trieloff Sent: Tuesday, January 31, 2012 4:14 PM To: Itamar Heim Cc: users@ovirt.org Subject: Re: [Users] Host discovery failing due to host network being lost On 01/31/2012 05:14 PM, Itamar Heim wrote:
what is the current limit? 114KB means even a screen shot won't pass through.
Don't know who all is admin on user list to look -- Karsten? Carl. _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 01/31/2012 02:20 PM, Brown, Chris (GE Healthcare) wrote:
Last time I tried to send an attachment I found the limit to be 40KB.
Yes, that is the default. I just upped it to 5000KB. Hopefully that won't be a problem for anyone, and we should consider alternate ways to share files than this list if we find we need to regularly. (I think 100+KB log files are fine for the list, fwiw.) BTW, if anyone is interested in helping administrate this list, I'm always looking to spread the responsibility. If you haven't admin'd a Mailman list before, this is a good opportunity to learn. - - Karsten
-----Original Message----- From: users-bounces@ovirt.org [mailto:users-bounces@ovirt.org] On Behalf Of Carl Trieloff Sent: Tuesday, January 31, 2012 4:14 PM To: Itamar Heim Cc: users@ovirt.org Subject: Re: [Users] Host discovery failing due to host network being lost
On 01/31/2012 05:14 PM, Itamar Heim wrote:
what is the current limit? 114KB means even a screen shot won't pass through.
Don't know who all is admin on user list to look -- Karsten?
Carl. _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
- -- name: Karsten 'quaid' Wade, Sr. Community Architect team: Red Hat Community Architecture & Leadership uri: http://communityleadershipteam.org http://TheOpenSourceWay.org gpg: AD0E0C41 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iD8DBQFPKHKU2ZIOBq0ODEERAo+RAJ0TyklGtReMXQDHpHfYpx8eSeYkMgCgwCyT 104W6iWjhZKiVW3u7WpHiJM= =7bVI -----END PGP SIGNATURE-----
participants (7)
-
Brown, Chris (GE Healthcare) -
Carl Trieloff -
Deepak C Shetty -
Haim Ateya -
Itamar Heim -
Karsten 'quaid' Wade -
Moran Goldboim