2:35 p.m.
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Le 07/12/2017 =C3=A0 14:32, Donny Davis a =C3=A9crit=C2=A0:
> Hi all,
> I'm about to lose one very important vm. I
shut down this
> vm for maintenance and then I moved the four disks to a
> new created lun. This vm has 2 snapshots.
> After successful move, the vm refuses to start
with this
> message:
> Bad volume specification {u'index': 0,
u'domainID':
> u'961ea94a-aced-4dd0-a9f0-266ce1810177', 'reqsize':
'0',
> u'format': u'cow', u'bootOrder': u'1',
u'discard': False,
> u'volumeID': u'a0b6d5cb-db1e-4c25-aaaf-1bbee142c60b',
> 'apparentsize': '2147483648
<tel:%28214%29%20748-3648>',
> u'imageID': u'4a95614e-bf1d-407c-aa72-2df414abcb7a',
> u'specParams': {}, u'readonly': u'false',
u'iface':
> u'virtio', u'optional': u'false',
u'deviceId':
> u'4a95614e-bf1d-407c-aa72-2df414abcb7a', 'truesize':
> '2147483648 <tel:%28214%29%20748-3648>',
u'poolID':
> u'48ca3019-9dbf-4ef3-98e9-08105d396350', u'device':
> u'disk', u'shared': u'false',
u'propagateErrors': u'off',
> u'type': u'disk'}.
> I tried to merge the snaphots, export , clone
from
> snapshot, copy disks, or deactivate disks and every
> action fails when it is about disk.
> I began to dd lv group to get a new vm
intended to a
> standalone libvirt/kvm, the vm quite boots up but it is
> an outdated version before the first snapshot. There is a
> lot of disks when doing a "lvs | grep 961ea94a" supposed
> to be disks snapshots. Which of them must I choose to get
> the last vm before shutting down? I'm not used to deal
> snapshot with virsh/libvirt, so some help will be much
> appreciated.
> The disks which you want to
copy should contain the entire volume
> chain.
> Based on the log you mentioned, It looks like this image is
> problematic:
> =C2=A0 storage id:
'961ea94a-aced-4dd0-a9f0-266ce1810177',
> =C2=A0 imageID': u'4a95614e-bf1d-407c-aa72-2df414abcb7a
> =C2=A0 volumeID': u'a0b6d5cb-db1e-4c25-aaaf-1bbee142c60b'
> What if you try to deactivate this image and try to
run the VM,
> will it run?
I already tried to do what you suggest, but it is the same, and
more this disk is part of a volume groupe, so I can't boot the vm
without it.
>
Is there some unknown command to recover this vm into ovir= t?
> Thank you in
advance.
>
_______________________________________________
> Users mailing list
> Users(a)ovirt.org <mailto:Users@ovirt.org >
http://lists.ovirt.org/mailman/listinfo/users
> <http://lists.ovirt.org/mailman/listinfo/users >
Beside specific oVirt answers, did you try to get
> informations about the snapshot tree with qemu-img info
> --backing-chain on the adequate /dev/... logical volume?
> As you know how to dd from LVs, you could extract every
> needed snapshots files and rebuild your VM outside of oVirt.
> Then take time to re-import it later and safely.
> --=20
> Nicolas ECARNOT
> _______________________________________________
> Users mailing list
> Users(a)ovirt.org <mailto:Users@ovirt.org >
http://lists.ovirt.org/mailman/listinfo/users
> <http://lists.ovirt.org/mailman/listinfo/users >
_______________________________________________
> Users mailing list
> Users(a)ovirt.org <mailto:Users@ovirt.org >
http://lists.ovirt.org/mailman/listinfo/users
> <http://lists.ovirt.org/mailman/listinfo/users
--=20
Nathana=C3=ABl Blanchet
Supervision r=C3=A9seau
P=C3=B4le Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5 =09
T=C3=A9l. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14
blanchet(a)abes.fr <mailto:blanchet@abes.fr> =20
_______________________________________________
Users mailing list
Users(a)ovirt.org <mailto:Users@ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
<http://lists.ovirt.org/mailman/listinfo/users
--=20
Nathana=C3=ABl Blanchet
Supervision r=C3=A9seau
P=C3=B4le Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5 =09
T=C3=A9l. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14
blanchet(a)abes.fr
--------------971266E2430C4915C301D09A
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Content-Transfer-Encoding: quoted-printable
<html <head <meta http-equiv=3D"Content-Type"
content=3D"text/html; charset=3Dutf=
-8" </head <body text=3D"#000000"
bgcolor=3D"#FFFFFF" <p><br </p
<br <div class=3D"moz-cite-prefix">Le
07/12/2017 =C3=A0 14:32, Donny Davi=
s a
=C3=A9crit=C2=A0:<br </div <blockquote type=3D"cite"
cite=3D"mid:CAMHmko_gbFuw0f4D3oKsss0jkVXbn+=3Do82N08BZQ4d87WSC4ag@mail.gm=
ail.com" <div
dir=3D"ltr">This is just a shot in the dark,=C2=A0 but have yo=
u
tried to use the disk copy feature? You can copy the disks back
to where they were and try starting the VM</div
</blockquote No it doesn't work, the
reason is always the same, some disks
reference on the lun were broken...<br
<blockquote type=3D"cite"
cite=3D"mid:CAMHmko_gbFuw0f4D3oKsss0jkVXbn+=3Do82N08BZQ4d87WSC4ag@mail.gm=
ail.com" <div
class=3D"gmail_extra"><br
<div class=3D"gmail_quote">On Thu, Dec 7, 2017 at 7:48 AM,
Nathana=C3=ABl Blanchet <span dir=3D"ltr"><<a
href=3D"mailto:blanchet@abes.fr" target=3D"_blank"
moz-do-not-send=3D"true">blanchet(a)abes.fr</a>&gt;</span wrote:<br
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex" <div text=3D"#000000"
bgcolor=3D"#FFFFFF"><span class=3D"" <p><br
</p <br <div
class=3D"m_-3443482866820998840moz-cite-prefix">Le
06/12/2017 =C3=A0 15:56, Maor Lipchuk a =C3=A9crit=C2=A0=
:<br </div
<blockquote type=3D"cite"
<div dir=3D"ltr"><br
<div class=3D"gmail_extra"><br
<div class=3D"gmail_quote">On Wed, Dec 6, 2017 at
12:30 PM, Nicolas Ecarnot <span
dir=3D"ltr"><<=
a
href=3D"mailto:nicolas@ecarnot.net"
target=3D"_blank"
moz-do-not-send=3D"true">ni=
colas(a)ecarnot.net</a>&gt;</span
wrote:<br
<blockquote class=3D"gmail_quote"
style=3D"margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex"><span
class=3D"m_-3443482866820998840gmail-">Le
06/12/2017 =C3=A0 11:21, Nathana=C3=ABl Blanc=
het a
=C3=A9crit=C2=A0:<br
</span
<blockquote class=3D"gmail_quote"
style=3D"margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex"><span
class=3D"m_-3443482866820998840gmail-"> Hi
all,<br
<br
I'm about to lose one very important vm. I
shut down this vm for maintenance and then
I moved the four disks to a new created
lun. This vm has 2 snapshots.<br <br After successful move, the vm
refuses to
start with this message:<br
<br Bad
volume specification {u'index': 0,
u'domainID':
u'961ea94a-aced-4dd0-a9f0-266c<wbr>e1810177=
',
'reqsize': '0', u'format':
u'cow',
u'bootOrder': u'1', u'discard':
False,
u'volumeID':
u'a0b6d5cb-db1e-4c25-aaaf-1bbe<wbr>e142c60b=
',
'apparentsize': '<a
href=3D"tel:%28214%29%20748-3648"
value=3D"+12147483648"
target=3D"_blank"
moz-do-not-send=3D"true">2147483648</a>',
u'imageID': u'4a95614e-bf1d-407c-aa72-2df4<=
wbr>14abcb7a',
u'specParams': {}, u'readonly':
u'false',
u'iface': u'virtio', u'optional':
u'false', u'deviceId':
u'4a95614e-bf1d-407c-aa72-2df4<wbr>14abcb7a=
',
'truesize': '<a
href=3D"tel:%28214%29%20748-3648"
value=3D"+12147483648"
target=3D"_blank"
moz-do-not-send=3D"true">2147483648</a>',
u'poolID': u'48ca3019-9dbf-4ef3-98e9-0810<w=
br>5d396350',
u'device': u'disk', u'shared':
u'false',
u'propagateErrors': u'off',
u'type':
u'disk'}.<br
<br I
tried to merge the snaphots, export ,
clone from snapshot, copy disks, or
deactivate disks and every action fails
when it is about disk.<br
<br I
began to dd lv group to get a new vm
intended to a standalone libvirt/kvm, the
vm quite boots up but it is an outdated
version before the first snapshot. There
is a lot of disks when doing a "lvs | grep
961ea94a" supposed to be disks snapshots.
Which of them must I choose to get the
last vm before shutting down? I'm not used
to deal snapshot with virsh/libvirt, so
some help will be much appreciated.<br </span></blockquote </blockquote <div><br </div
<div>The disks which you want to copy should
contain the entire volume chain.</div <div>Based on the log you
mentioned, It looks
like this image is problematic:</div <div><br </div
<div>=C2=A0 storage id:
'961ea94a-aced-4dd0-a9f0-266ce<wbr>1810177',</d=
iv <div>=C2=A0 imageID':
u'4a95614e-bf1d-407c-aa72-2=
df4<wbr>14abcb7a<br </div <div>=C2=A0 volumeID':
u'a0b6d5cb-db1e-4c25-aaaf-=
1bbe<wbr>e142c60b'</div
<div><br </div <div>What if you try to
deactivate this image
and try to run the VM, will it run?</div </div
</div </div </blockquote
</span> I already tried to do what you suggest, but it is
the same, and more this disk is part of a volume groupe,
so I can't boot the vm without it.<span
class=3D""><br <blockquote
type=3D"cite" <div
dir=3D"ltr" <div
class=3D"gmail_extra" <div
class=3D"gmail_quote"
<div><br </div <div><br </div
<div>=C2=A0</div
<blockquote class=3D"gmail_quote"
style=3D"margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex" <blockquote
class=3D"gmail_quote"
style=3D"margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex"><span
class=3D"m_-3443482866820998840gmail-">
<br=
Is there some unknown command to
recover
this vm into ovirt?<br
<br Thank
you in advance.<br
<br <br </span></blockquote </blockquote <div><br </div
<div><br </div <div><br </div
<div>=C2=A0</div
<blockquote class=3D"gmail_quote"
style=3D"margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex" <blockquote
class=3D"gmail_quote"
style=3D"margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex"><span
class=3D"m_-3443482866820998840gmail-">
<br=
</span>
______________________________<wbr>__=
_______________<br Users
mailing list<br <a
href=3D"mailto:Users@ovirt.org"
target=3D"_blank"
moz-do-not-send=3D"true">=
Users(a)ovirt.org</a><br <a
href=3D"http://lists.ovirt.org/mailman/list=
info/users"
rel=3D"noreferrer" target=3D"_blank"
moz-do-not-send=3D"true">http://lists.ovirt=
.org/mailman<wbr>/listinfo/users</a><br
<br
</blockquote <br Beside specific oVirt answers, did
you try to
get informations about the snapshot tree with
qemu-img info --backing-chain on the adequate
/dev/... logical volume?<br
As you know how to dd from LVs, you could
extract every needed snapshots files and
rebuild your VM outside of oVirt.<br Then take time to re-import it later
and
safely.<span
class=3D"m_-3443482866820998840gmail-HOEnZb">=
<font
color=3D"#888888"><br <br -- <br Nicolas ECARNOT<br
______________________________<wbr>________=
_________<br Users
mailing list<br <a
href=3D"mailto:Users@ovirt.org"
target=3D"_blank" moz-do-not-send=3D"true=
">Users(a)ovirt.org</a><br
<a
href=3D"http://lists.ovirt.org/mailman/li=
stinfo/users"
rel=3D"noreferrer" target=3D"_blank"
moz-do-not-send=3D"true">http://lists.ovi=
rt.org/mailman<wbr>/listinfo/users</a><br
</font></span></blockquote
</div <br </div
</div <br <fieldset
class=3D"m_-3443482866820998840mimeAttachmentHeader">=
</fieldset <br
<pre>______________________________<wbr>_______________=
__
Users mailing list
<a class=3D"m_-3443482866820998840moz-txt-link-abbreviated"
href=3D"mailt=
o:Users@ovirt.org" target=3D"_blank"
moz-do-not-send=3D"true">Users@ovirt=
.org</a <a
class=3D"m_-3443482866820998840moz-txt-link-freetext" href=3D"http://l=
ists.ovirt.org/mailman/listinfo/users" target=3D"_blank"
moz-do-not-send=3D=
"true">http://lists.ovirt.org/<wbr>mailman/listinfo/users</a </pre
</blockquote <br </span><span class=3D"" <pre
class=3D"m_-3443482866820998840moz-signature" cols=3D=
"72">--=20
Nathana=C3=ABl Blanchet
Supervision r=C3=A9seau
P=C3=B4le Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5 =09
T=C3=A9l. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14
<a class=3D"m_-3443482866820998840moz-txt-link-abbreviated"
href=3D"mailt=
o:blanchet@abes.fr" target=3D"_blank"
moz-do-not-send=3D"true">blanchet@a=
bes.fr</a> </pre
</span></div <br
______________________________<wbr>_________________<br Users mailing list<br <a href=3D"mailto:Users@ovirt.org"
moz-do-not-send=3D"true">U=
sers(a)ovirt.org</a><br <a
href=3D"http://lists.ovirt.org/mailman/listinfo/users"
rel=3D"noreferrer" target=3D"_blank"
moz-do-not-send=3D"tru=
e">http://lists.ovirt.org/<wbr>mailman/listinfo/users</a... <br
</blockquote </div <br
</div </blockquote <br
<pre class=3D"moz-signature" cols=3D"72">--=20
Nathana=C3=ABl Blanchet
Supervision r=C3=A9seau
P=C3=B4le Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5 =09
T=C3=A9l. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14
<a class=3D"moz-txt-link-abbreviated"
href=3D"mailto:blanchet@abes.fr">bl=
anchet(a)abes.fr</a> </pre </body </html
--------------971266E2430C4915C301D09A--
This is just a shot in the dark,=C2=A0 but have you tried to use the
di=
sk=20
copy feature? You can copy the disks back to where they were and
try=20
starting the VM
No it doesn't work, the reason is always the same, some disks
reference=20
on the lun were broken...
On Thu, Dec 7, 2017 at 7:48 AM, Nathana=C3=ABl Blanchet <blanchet(a)abes.=
fr=20
<mailto:blanchet@abes.fr>> wrote:
Le 06/12/2017 =C3=A0 15:56, Maor Lipchuk a =C3=A9crit=C2=A0:
> On Wed, Dec 6, 2017 at
12:30 PM, Nicolas Ecarnot
> <nicolas(a)ecarnot.net <mailto:nicolas@ecarnot.net>> wrote:
> Le 06/12/2017 =C3=A0 11:21, Nathana=C3=ABl
Blanchet a =C3=A9cr=
it=C2=A0: