1:14 p.m.
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Hi All,
I'm still facing issues with my HE engine. Here are the steps that I took t=
o end up in this situation:
- Update Engine from 4.1.7 to 4.1.9
o That worked as expected
- Automatic Backup of Engine DB in the night
- Upgraded Engine from 4.1.9 to 4.2.1
o That worked fine
- Noticed Issues with the HA support for HE
o Cause was not having the latest ovirt-ha agent/broker version on hosts
- After updating the first host with the latest packages for the Ag=
ent/Broker engine was started twice
o As a result the Engine VM Disk was corrupted and there is no Backup of =
the Disk
o There is also no Backup of the Engine DB with version 4.2
- VM disk was repaired with fsck.ext4, but DB is corrupt
o Can't restore the Engine DB because the Backup DB from Engine V 4.1
- Rolled back all changes on Engine VM to 4.1.9 and imported Backup
o Checked for HA VMs to set as disabled and started the Engine
- Login is fine but the Engine is having trouble picking up and inf=
ormation from the Hosts
o No information on running VMs or hosts status
- Final Situation
o 2 Hosts have VMs still running and I can't stop those
o I still have the image of my corrupted Engine VM (v4.2)
Since there were no major changes after upgrading from 4.1 to 4.2, would it=
be possible to manually restore the 4.1 DB to the 4.2 Engine VM to this up=
and running again or are there modifications made to the DB on upgrading t=
hat are relevant for this ? All my work on rolling back to 4.1.9 with the D=
B restore failed as the Engine is not capable of picking up information fro=
m the hosts. Lessons learned is to always make a copy/snapshot of the engin=
e VM disk before upgrading anything. What are my options on getting back to=
a working environment ? Any help or hint is greatly appreciated.
Thank you,
Sven
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</head <body lang=3D"DE"
link=3D"#0563C1" vlink=3D"#954F72" <div
class=3D"WordSection1" <p
class=3D"MsoNormal">Hi All, <o:p></o:p></p <p
class=3D"MsoNormal"><o:p> </o:p></p <p class=3D"MsoNormal"><span
lang=3D"EN-US">I’m still facing issues w=
ith my HE engine. Here are the steps that I took to end up in this situatio=
n:
<o:p></o:p></span></p <p
class=3D"MsoNormal"><span
lang=3D"EN-US"><o:p> </o:p></span></p <p class=3D"MsoListParagraph"
style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><![if !supportLists]><span lang=3D"EN-US"><span
style=3D"mso-list:=
Ignore">-<span style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span
lang=3D"EN-US">Update Engine from 4.1.=
7 to 4.1.9
<o:p></o:p></span></p <p
class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"Courie=
r New""><span style=3D"mso-list:Ignore">o<span
style=3D"font:7.0pt &qu=
ot;Times New Roman"">
</span></span></span><![endif]><span
lang=3D"EN-US">That worked as expected=
<o:p></o:p></span></p <p
class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><![if !supportLists]><span lang=3D"EN-US"><span
style=3D"mso-list:=
Ignore">-<span style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span
lang=3D"EN-US">Automatic Backup of Eng=
ine DB in the night<o:p></o:p></span></p <p
class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><![if !supportLists]><span lang=3D"EN-US"><span
style=3D"mso-list:=
Ignore">-<span style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span
lang=3D"EN-US">Upgraded Engine from 4.=
1.9 to 4.2.1<o:p></o:p></span></p <p
class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"Courie=
r New""><span style=3D"mso-list:Ignore">o<span
style=3D"font:7.0pt &qu=
ot;Times New Roman"">
</span></span></span><![endif]><span
lang=3D"EN-US">That worked fine<o:p></=
o:p></span></p <p
class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><![if !supportLists]><span lang=3D"EN-US"><span
style=3D"mso-list:=
Ignore">-<span style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span
lang=3D"EN-US">Noticed Issues with the=
HA support for HE<o:p></o:p></span></p <p
class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"Courie=
r New""><span style=3D"mso-list:Ignore">o<span
style=3D"font:7.0pt &qu=
ot;Times New Roman"">
</span></span></span><![endif]><span
lang=3D"EN-US">Cause was not having th=
e latest ovirt-ha agent/broker version on
hosts<o:p></o:p></span></p <p
class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><![if !supportLists]><span lang=3D"EN-US"><span
style=3D"mso-list:=
Ignore">-<span style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span
lang=3D"EN-US">After updating the firs=
t host with the latest packages for the Agent/Broker engine was started twi=
ce
<o:p></o:p></span></p <p
class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"Courie=
r New""><span style=3D"mso-list:Ignore">o<span
style=3D"font:7.0pt &qu=
ot;Times New Roman"">
</span></span></span><![endif]><span
lang=3D"EN-US">As a result the Engine =
VM Disk was corrupted and there is no Backup of the
Disk<o:p></o:p></span><=
/p <p class=3D"MsoListParagraph"
style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"Courie=
r New""><span style=3D"mso-list:Ignore">o<span
style=3D"font:7.0pt &qu=
ot;Times New Roman"">
</span></span></span><![endif]><span
lang=3D"EN-US">There is also no Backup=
of the Engine DB with version 4.2<o:p></o:p></span></p <p class=3D"MsoListParagraph"
style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><![if !supportLists]><span lang=3D"EN-US"><span
style=3D"mso-list:=
Ignore">-<span style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span
lang=3D"EN-US">VM disk was repaired wi=
th fsck.ext4, but DB is corrupt<o:p></o:p></span></p <p class=3D"MsoListParagraph"
style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"Courie=
r New""><span style=3D"mso-list:Ignore">o<span
style=3D"font:7.0pt &qu=
ot;Times New Roman"">
</span></span></span><![endif]><span
lang=3D"EN-US">Can’t restore the=
Engine DB because the Backup DB from Engine V
4.1<o:p></o:p></span></p <p
class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><![if !supportLists]><span lang=3D"EN-US"><span
style=3D"mso-list:=
Ignore">-<span style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span
lang=3D"EN-US">Rolled back all changes=
on Engine VM to 4.1.9 and imported Backup
<o:p></o:p></span></p <p
class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"Courie=
r New""><span style=3D"mso-list:Ignore">o<span
style=3D"font:7.0pt &qu=
ot;Times New Roman"">
</span></span></span><![endif]><span
lang=3D"EN-US">Checked for HA VMs to s=
et as disabled and started the Engine<o:p></o:p></span></p <p class=3D"MsoListParagraph"
style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><![if !supportLists]><span lang=3D"EN-US"><span
style=3D"mso-list:=
Ignore">-<span style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span
lang=3D"EN-US">Login is fine but the E=
ngine is having trouble picking up and information from the Hosts<o:p></o:p=
></span></p <p
class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"Courie=
r New""><span style=3D"mso-list:Ignore">o<span
style=3D"font:7.0pt &qu=
ot;Times New Roman"">
</span></span></span><![endif]><span
lang=3D"EN-US">No information on runni=
ng VMs or hosts status<o:p></o:p></span></p <p class=3D"MsoListParagraph"
style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo1"><![if !supportLists]><span lang=3D"EN-US"><span
style=3D"mso-list:=
Ignore">-<span style=3D"font:7.0pt "Times New
Roman"">  =
;
</span></span></span><![endif]><span
lang=3D"EN-US">Final Situation<o:p></o=
:p></span></p <p
class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"Courie=
r New""><span style=3D"mso-list:Ignore">o<span
style=3D"font:7.0pt &qu=
ot;Times New Roman"">
</span></span></span><![endif]><span
lang=3D"EN-US">2 Hosts have VMs still =
running and I can’t stop those
<o:p></o:p></span></p <p
class=3D"MsoListParagraph" style=3D"margin-left:72.0pt;text-indent:-18.0=
pt;mso-list:l0 level2 lfo1" <![if !supportLists]><span
lang=3D"EN-US" style=3D"font-family:"Courie=
r New""><span style=3D"mso-list:Ignore">o<span
style=3D"font:7.0pt &qu=
ot;Times New Roman"">
</span></span></span><![endif]><span
lang=3D"EN-US">I still have the image =
of my corrupted Engine VM (v4.2)<o:p></o:p></span></p <p class=3D"MsoNormal"><span
lang=3D"EN-US"><o:p> </o:p></span></p <p class=3D"MsoNormal"><span
lang=3D"EN-US">Since there were no major chang=
es after upgrading from 4.1 to 4.2, would it be possible to manually restor=
e the 4.1 DB to the 4.2 Engine VM to this up and running again or are there=
modifications made to the DB on upgrading
that are relevant for this ? All my work on rolling back to 4.1.9 with the=
DB restore failed as the Engine is not capable of picking up information f=
rom the hosts. Lessons learned is to always make a copy/snapshot of the eng=
ine VM disk before upgrading anything.
What are my options on getting back to a working environment ? Any help or=
hint is greatly appreciated.<o:p></o:p></span></p <p class=3D"MsoNormal"><span
lang=3D"EN-US"><o:p> </o:p></span></p <p class=3D"MsoNormal"><span
lang=3D"EN-US">Thank you, <o:p></o:p></span></=
p <p class=3D"MsoNormal"><span
lang=3D"EN-US">Sven <o:p></o:p></span></=
p </div
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