[ovirt-users] Change ovirtmgmt ip from dhcp to static in a

Tue Mar 20 14:10:59 UTC 2018

Then you need to remove the host from engine, change the IP manually on the
host, via ifcfg-file, restart network service and install the host again
via the new IP address.

On Tue, Mar 20, 2018 at 2:50 PM, zois roupas <roupas_zois at hotmail.com>
wrote:

> Hi again all,
>
>
>  "Unless i miss understood you here, do you use a different IP address
> when switching to static or the same IP that you got from dhcp? if yes,
> then this is another flow.."
>
>
> To answer your question Michael , i'm trying to configure a different ip
> outside of my dhcp pool. The dhcp ip is 10.0.0.245 from the range
> 10.0.0.245-10.0.0.250 and i want to configure the ip 10.0.0.9 as the hosts
> ip
>
> "One thing to note if you are changing the IP to different one that was
> assigned by DHCP you should uncheck "Verify connectivity between Host and
> Engine""
>
> Ales, i also tried to follow your advise and uncheck the "Verify
> connectivity between Host and Engine" as proposed. Again the same results,
> it keeps reverting to previous dhcp ip
> I will extract the vdsm log and i'll get back to you, in the meanwhile
> this is the error that i see after the assignment of the static ip in the
> log
>
> 2018-03-20 14:16:57,576+0200 ERROR (monitor/38f4464) [storage.Monitor]
> Error checking domain 38f4464b-74b9-4468-891b-03cd65d72fec (monitor:424)
> Traceback (most recent call last):
>   File "/usr/lib/python2.7/site-packages/vdsm/storage/monitor.py", line
> 405, in _checkDomainStatus
>     self.domain.selftest()
>   File "/usr/lib/python2.7/site-packages/vdsm/storage/fileSD.py", line
> 688, in selftest
>     self.oop.os.statvfs(self.domaindir)
>   File "/usr/lib/python2.7/site-packages/vdsm/storage/outOfProcess.py",
> line 243, in statvfs
>     return self._iop.statvfs(path)
>   File "/usr/lib/python2.7/site-packages/ioprocess/__init__.py", line
> 488, in statvfs
>     resdict = self._sendCommand("statvfs", {"path": path}, self.timeout)
>   File "/usr/lib/python2.7/site-packages/ioprocess/__init__.py", line
> 455, in _sendCommand
>     raise Timeout(os.strerror(errno.ETIMEDOUT))
> Timeout: Connection timed out
>
> Best Regards
> Zois
>
>
>
>
> ------------------------------
> *From:* Ales Musil <amusil at redhat.com>
> *Sent:* Tuesday, March 20, 2018 11:28 AM
> *To:* Michael Burman
> *Cc:* zois roupas; users
>
> *Subject:* Re: [ovirt-users] Change ovirtmgmt ip from dhcp to static in a
>
> One thing to note if you are changing the IP to different one that was
> assigned by DHCP you should uncheck "Verify connectivity between Host and
> Engine". This makes sure that the engine won't lost connectivity and in
> case of switching IP it happens.
>
> On Tue, Mar 20, 2018 at 10:15 AM, Michael Burman <mburman at redhat.com>
> wrote:
>
> Indeed very odd, this shouldn't  behave this way, just tested it my self
> and it is working as expected. Unless i miss understood you here, do you
> use a different IP address when switching to static or the same IP that you
> got from dhcp? if yes, then this is another flow..
>
> Can you please share the vdsm version and vdsm log with us?
>
> Edy, any idea what can cause this?
>
>
> On Tue, Mar 20, 2018 at 11:10 AM, zois roupas <roupas_zois at hotmail.com>
> wrote:
>
> Hi Michael and thanks a lot for the time
>
>
> Great step by step instructions but something strange is happening while
> trying to change to static ip. I tried to do the change while the host
> was in maintenance mode and in activate mode but again after some minutes
> the system reverts to the ip that dhcp is serving!
>
> What am i missing here? Do you have any ideas?
>
>
> Best Regards
> Zois
> ------------------------------
> *From:* Michael Burman <mburman at redhat.com>
> *Sent:* Tuesday, March 20, 2018 8:46 AM
> *To:* zois roupas
> *Cc:* users at ovirt.org
> *Subject:* Re: [ovirt-users] Change ovirtmgmt ip from dhcp to static in a
>
> Hello Zois,
>
> It pretty easy to do, via the webadmin UI , go to Hosts main tab > Choose
> host > go to 'Network Interfaces' sub tab > Press the 'Setup Host Networks'
> button > press the pencil icon on your management network > and  choose
> Static IP > press OK and OK to approve the operation.
>
> - Note that in some cases, specially if this is a SPM host you will loose
> connectivity to host for few seconds and host may go to non-responsive
> state, on a non-SPM host usually this woks without any specific issues.
>
> - If the spoken host is a SPM host, I recommend to set it first to
> maintenance mode, do the switch and then activate. For non-SPM host this
> will work fine as well when the host is UP.
>
> Cheers)
>
> On Mon, Mar 19, 2018 at 12:15 PM, zois roupas <roupas_zois at hotmail.com>
> wrote:
>
> Hello everyone
>
>
> I've made a rookie mistake by installing ovirt 4.2 in centos 7 with dhcp
> instead of a static ip configuration. Both engine and host are in the same
> machine cause of limited resources and i was so happy that everything
> worked so well that i kept configuring and installing vm's ,adding local
> and nfs storage and setting up the backup!
>
> As you understand i must change the configuration to static ip and i can't
> find any guide describing the correct procedure. Is there an official guide
> to change configuration without causing any trouble?
>
> I've found this thread http://lists.ovirt.org/
> pipermail/users/2014-May/024432.html but this is for a hosted engine and
> doesn't help when both engine and host are in the same machine
>
>
> Thanx in advance
>
> Best Regards
>
> Zois
>
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>
>
>
> --
>
> Michael Burman
>
> Senior Quality engineer - rhv network - redhat israel
>
> Red Hat
>
> <https://www.redhat.com>
>
> mburman at redhat.com    M: 0545355725     IM: mburman
> <https://red.ht/sig>
>
>
>
>
> --
>
> Michael Burman
>
> Senior Quality engineer - rhv network - redhat israel
>
> Red Hat
>
> <https://www.redhat.com>
>
> mburman at redhat.com    M: 0545355725     IM: mburman
> <https://red.ht/sig>
>
> _______________________________________________
> Users mailing list
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> http://lists.ovirt.org/mailman/listinfo/users
>
>
>
>
> --
>
> ALES MUSIL
> INTERN - rhv network
>
> Red Hat EMEA <https://www.redhat.com/>
>
>
> amusil at redhat.com   IM: amusil
> <https://red.ht/sig>
>

-- 

Michael Burman

Senior Quality engineer - rhv network - redhat israel

Red Hat

<https://www.redhat.com>

mburman at redhat.com    M: 0545355725     IM: mburman
<https://red.ht/sig>
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