4:07 p.m.
I want to correlate virtual disks back to their originating storage under
ovirt. Is there any way to do this?
e.g. (made up example)
/dev/vda
maps to ovirt disk
disk1_vm serial 978e00a3-b4c9-4962-bc4f-ffc9267acdd8
1:43 a.m.
Hi ccox,
you can see the disk id mapping to device if you execute 'ls -l
/dev/disk/by-id/' .
Second way, and easier, is to make sure you have guest-agent installed on
your guest virtual machine and using rest API you can run GET command:
GET on .../api/vms/{vm_id}/disks
You will see an attribute called "<logical_name>" .
I hope that helps
Thanks,
Raz Tamir
Red Hat Israel
On Tue, Oct 6, 2015 at 11:07 PM, <ccox(a)endlessnow.com> wrote:
I want to correlate virtual disks back to their originating storage
under
ovirt. Is there any way to do this?
e.g. (made up example)
/dev/vda
maps to ovirt disk
disk1_vm serial 978e00a3-b4c9-4962-bc4f-ffc9267acdd8
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
10:41 a.m.
--Apple-Mail=_985C56DB-ED80-4C7F-8DE8-9B251713BAA3
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain;
charset=utf-8
You can also find the disk under the =E2=80=9CDisks=E2=80=9D tab in the =
web gui, selecting it will yield the uuid of the virtual disk as ID in =
the disk description panel.=20
On Oct 7, 2015, at 12:43 AM, Raz Tamir <ratamir(a)redhat.com>
wrote:
=20
Hi ccox,
you can see the disk id mapping to device if you execute 'ls -l =
/dev/disk/by-id/' .
Second way, and easier, is to make sure you have guest-agent
installed =
on your guest virtual machine and using rest API you can run GET =
command:
GET on .../api/vms/{vm_id}/disks
=20
You will see an attribute called "<logical_name>" .
I hope that helps
=20
=20
=20
Thanks,
Raz Tamir
Red Hat Israel
=20
On Tue, Oct 6, 2015 at 11:07 PM, <ccox(a)endlessnow.com =
<mailto:ccox@endlessnow.com>> wrote:
I want to correlate virtual disks back to their originating storage =
under
ovirt. Is there any way to do this?
=20
e.g. (made up example)
=20
/dev/vda
=20
maps to ovirt disk
=20
disk1_vm serial 978e00a3-b4c9-4962-bc4f-ffc9267acdd8
=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
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
--Apple-Mail=_985C56DB-ED80-4C7F-8DE8-9B251713BAA3
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
charset=utf-8
<html><head><meta http-equiv=3D"Content-Type"
content=3D"text/html =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D"">You can also find the disk under the =E2=80=9CDisks=E2=80=9D =
tab in the web gui, selecting it will yield the uuid of the virtual disk =
as ID in the disk description panel. <div class=3D""><br =
class=3D""><div><blockquote type=3D"cite"
class=3D""><div class=3D"">On =
Oct 7, 2015, at 12:43 AM, Raz Tamir <<a =
href=3D"mailto:ratamir@redhat.com"
class=3D"">ratamir(a)redhat.com</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><div
class=3D""><div =
dir=3D"ltr" class=3D""><div class=3D"gmail_default" =
style=3D"font-family:times new roman,serif;font-size:large">Hi =
ccox,</div><div class=3D"gmail_default" style=3D"font-family:times
new =
roman,serif;font-size:large">you can see the disk id mapping to device =
if you execute 'ls -l /dev/disk/by-id/' .</div><div =
class=3D"gmail_default" style=3D"font-family:times new =
roman,serif;font-size:large">Second way, and easier, is to make sure you =
have guest-agent installed on your guest virtual machine and using rest =
API you can run GET command:</div><div class=3D"gmail_default" =
style=3D"font-family:times new roman,serif;font-size:large">GET on =
.../api/vms/{vm_id}/disks</div><div class=3D"gmail_default" =
style=3D"font-family:times new roman,serif;font-size:large"><br =
class=3D""></div><div class=3D"gmail_default"
style=3D"font-family:times =
new roman,serif;font-size:large">You will see an attribute called =
"<logical_name>" .</div><div
class=3D"gmail_default" =
style=3D"font-family:times new roman,serif;font-size:large">I hope that =
helps</div></div><div class=3D"gmail_extra"><br
clear=3D"all" =
class=3D""><div class=3D""><div
class=3D"gmail_signature"><div dir=3D"ltr"=
class=3D""><div class=3D""><div dir=3D"ltr"
class=3D""><div =
class=3D""><div dir=3D"ltr" class=3D""><div
class=3D""><div dir=3D"ltr" =
class=3D""><font face=3D"times new roman, serif"
size=3D"4" class=3D""><br=
class=3D""></font></div><div dir=3D"ltr"
class=3D""><font face=3D"times =
new roman, serif" size=3D"4" class=3D""><br
class=3D""></font></div><div =
dir=3D"ltr" class=3D""><font face=3D"times new roman,
serif" size=3D"4" =
class=3D"">Thanks,</font><div class=3D""><font
face=3D"times new roman, =
serif" size=3D"4" class=3D"">Raz
Tamir</font></div><div class=3D""><font =
face=3D"times new roman, serif" size=3D"4" class=3D"">Red
Hat =
Israel</font></div></div></div></div></div></div></div></div></div></div>
<br class=3D""><div class=3D"gmail_quote">On Tue, Oct 6,
2015 at 11:07 =
PM, <span dir=3D"ltr" class=3D""><<a =
href=3D"mailto:ccox@endlessnow.com" target=3D"_blank" =
class=3D"">ccox(a)endlessnow.com</a>&gt;</span> wrote:<br =
class=3D""><blockquote class=3D"gmail_quote"
style=3D"margin:0 0 0 =
.8ex;border-left:1px #ccc solid;padding-left:1ex">I want to correlate =
virtual disks back to their originating storage under<br class=3D"">
ovirt. Is there any way to do this?<br class=3D"">
<br class=3D"">
e.g. (made up example)<br class=3D"">
<br class=3D"">
/dev/vda<br class=3D"">
<br class=3D"">
maps to ovirt disk<br class=3D"">
<br class=3D"">
disk1_vm serial 978e00a3-b4c9-4962-bc4f-ffc9267acdd8<br class=3D"">
<br class=3D"">
_______________________________________________<br class=3D"">
Users mailing list<br class=3D"">
<a href=3D"mailto:Users@ovirt.org"
class=3D"">Users(a)ovirt.org</a><br =
class=3D"">
<a href=3D"http://lists.ovirt.org/mailman/listinfo/users" =
rel=3D"noreferrer" target=3D"_blank" =
class=3D"">http://lists.ovirt.org/mailman/listinfo/users<... =
class=3D"">
</blockquote></div><br class=3D""></div>
_______________________________________________<br class=3D"">Users =
mailing list<br class=3D""><a href=3D"mailto:Users@ovirt.org"
=
class=3D"">Users(a)ovirt.org</a><br =
class=3D"">http://lists.ovirt.org/mailman/listinfo/users<br =
class=3D""></div></blockquote></div><br
class=3D""></div></body></html>=
--Apple-Mail=_985C56DB-ED80-4C7F-8DE8-9B251713BAA3--
11:49 a.m.
Hi ccox,
you can see the disk id mapping to device if you execute 'ls -l
/dev/disk/by-id/' .
Second way, and easier, is to make sure you have guest-agent installed on
your guest virtual machine and using rest API you can run GET command:
GET on .../api/vms/{vm_id}/disks
You will see an attribute called "<logical_name>" .
I hope that helps
should have said I'm running 3.4. I don't think there's a logical_name in
that version. And by-id or by-uuid doesn't seem to match anything.
Maybe this can't be done in 3.4?
2:51 p.m.
You are right, there is no logical_name attr in disk object before 3.5 [1]
[1] http://www.ovirt.org/Features/ReportGuestDisksLogicalDeviceName
Thanks,
Raz Tamir
Red Hat Israel
On Wed, Oct 7, 2015 at 6:49 PM, <ccox(a)endlessnow.com> wrote:
> Hi ccox,
> you can see the disk id mapping to device if you execute 'ls -l
> /dev/disk/by-id/' .
> Second way, and easier, is to make sure you have guest-agent installed on
> your guest virtual machine and using rest API you can run GET command:
> GET on .../api/vms/{vm_id}/disks
>
> You will see an attribute called "<logical_name>" .
> I hope that helps
should have said I'm running 3.4. I don't think there's a logical_name in
that version. And by-id or by-uuid doesn't seem to match anything.
Maybe this can't be done in 3.4?
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
1:17 p.m.
On Wed, Oct 7, 2015 at 6:49 PM, <ccox(a)endlessnow.com> wrote:
> Hi ccox,
> you can see the disk id mapping to device if you execute 'ls -l
> /dev/disk/by-id/' .
> Second way, and easier, is to make sure you have guest-agent installed on
> your guest virtual machine and using rest API you can run GET command:
> GET on .../api/vms/{vm_id}/disks
>
> You will see an attribute called "<logical_name>" .
> I hope that helps
should have said I'm running 3.4. I don't think there's a logical_name in
that version. And by-id or by-uuid doesn't seem to match anything.
Maybe this can't be done in 3.4?
Can you share the ouput of:
tree /dev/disk
On the guest?
And the output of
pvscan --cache
lvs -o vg_name,name,tags
On the host?
On the guest, the the disk serial number should be the first 20
characters of the disk
uuid (I think it is the image uuid in vdsm terms, or disk uuid in engine terms).
The image uuid should appear in a lv tag on the host, and the prefix
of this uuid should
be found on the guest.
Can you describe why do you need this information?
Nir
12:58 p.m.
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Hi,
Dne 6.10.2015 v 22:07 ccox(a)endlessnow.com napsal(a):
I want to correlate virtual disks back to their originating storage
und=
er
ovirt. Is there any way to do this?
e.g. (made up example)
/dev/vda
maps to ovirt disk
disk1_vm serial 978e00a3-b4c9-4962-bc4f-ffc9267acdd8
In oVirt there are two storage types - filesystem based (NFS, posix,=20
glusterfs - uses files for storing images) and block device based (FC,=20
iSCSI - uses lvm)
If I understand correctly, you would like know where exactly is stored a =
virtual disk. Right?
All you know is on which storage domain is your virtual disk stored and=20
disk uuid (imgUUID)), right?
My approach is this (I am using block device based FC stroage so my=20
virtual disks are stored as logical volumes). Probably there is much=20
easier way ;-) please correct me
ssh to any host
list storage domains (sdUUID)
vdsClient -s 0 getImageDomainsList
find your domain uuid by name
vdsClient -s 0 getStorageDomainInfo sdUUID
you will get also pool (spUUID)
now you can search for volume(s) the image consists of
getVolumesList sdUUID spUUID imgUUID
you will get volUUID (one or more)
now you can check volume info
getVolumeInfo sdUUID spUUID imgUUID volUUID
and also you can get volume path
getVolumePath sdUUID spUUID imgUUID volUUID
you will get something like
/rhev/data-center/mnt/blockSD/088e7ed9-84c7-4fbd-a570-f37fa986a772/images=
/be5c56de-6a22-4d1a-8579-f0f5d501d90c/0681822f-3ac8-473b-95ce-380f8ab4de0=
6
it is symlink which points to target block device
it looks to me that on block devices the path is
/dev/sdUUID/volUUID
btw. I am using oVirt3.5...
Cheers, Jiri
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
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--------------ms070607010005010406080300--
1:10 p.m.
On Wed, Oct 7, 2015 at 7:58 PM, Jiří Sléžka <jiri.slezka(a)slu.cz> wrote:
Hi,
Dne 6.10.2015 v 22:07 ccox(a)endlessnow.com napsal(a):
>
> I want to correlate virtual disks back to their originating storage under
> ovirt. Is there any way to do this?
>
> e.g. (made up example)
>
> /dev/vda
>
> maps to ovirt disk
>
> disk1_vm serial 978e00a3-b4c9-4962-bc4f-ffc9267acdd8
In oVirt there are two storage types - filesystem based (NFS, posix,
glusterfs - uses files for storing images) and block device based (FC, iSCSI
- uses lvm)
If I understand correctly, you would like know where exactly is stored a
virtual disk. Right?
All you know is on which storage domain is your virtual disk stored and disk
uuid (imgUUID)), right?
My approach is this (I am using block device based FC stroage so my virtual
disks are stored as logical volumes). Probably there is much easier way ;-)
please correct me
ssh to any host
list storage domains (sdUUID)
vdsClient -s 0 getImageDomainsList
find your domain uuid by name
vdsClient -s 0 getStorageDomainInfo sdUUID
you will get also pool (spUUID)
now you can search for volume(s) the image consists of
getVolumesList sdUUID spUUID imgUUID
you will get volUUID (one or more)
now you can check volume info
getVolumeInfo sdUUID spUUID imgUUID volUUID
and also you can get volume path
getVolumePath sdUUID spUUID imgUUID volUUID
Note that getVolumePath was removed in 3.6. The only way to get this
info now is via prepareImage.
you will get something like
/rhev/data-center/mnt/blockSD/088e7ed9-84c7-4fbd-a570-f37fa986a772/images/be5c56de-6a22-4d1a-8579-f0f5d501d90c/0681822f-3ac8-473b-95ce-380f8ab4de06
it is symlink which points to target block device
it looks to me that on block devices the path is
/dev/sdUUID/volUUID
btw. I am using oVirt3.5...
Cheers, Jiri
>
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>
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participants (5)
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ccox＠endlessnow.com -
Darrell Budic -
Jiří Sléžka -
Nir Soffer -
Raz Tamir