3:30 a.m.
In 4.4.6 Copying from regular Storage Domains to Managed Block Storage
Domains was added
On Wed, Jul 14, 2021 at 10:34 AM Sandro Bonazzola <sbonazzo(a)redhat.com>
wrote:
Il giorno mer 14 lug 2021 alle ore 08:53 Konstantin Shalygin <
k0ste(a)k0ste.ru> ha scritto:
> Hi Sandro,
>
> - How this image is mounted on oVirt host?
>
They are mounted as block storage
/rhev/
`-- data-center
|-- b55ef7a8-da51-11eb-b619-5254001ce0e4
| |-- 1996dc3b-d33f-49cb-b32a-8f7b1d50af5e ->
/rhev/data-center/mnt/blockSD/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e
| `-- mastersd ->
/rhev/data-center/mnt/blockSD/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e
`-- mnt
`-- blockSD
`-- 1996dc3b-d33f-49cb-b32a-8f7b1d50af5e
|-- dom_md
| |-- ids ->
/dev/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/ids
| |-- inbox ->
/dev/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/inbox
| |-- leases ->
/dev/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/leases
| |-- master ->
/dev/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/master
| |-- metadata ->
/dev/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/metadata
| |-- outbox ->
/dev/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/outbox
| `-- xleases ->
/dev/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/xleases
|-- ha_agent
| |-- hosted-engine.lockspace ->
/run/vdsm/storage/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/ac3a245f-e6fe-4159-b0ee-be08d4048bb7/8b4bddc1-1602-45d7-854c-eaeac9549617
| `-- hosted-engine.metadata ->
/run/vdsm/storage/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/dc77bfc2-cecd-4ab5-81f7-e15b81e45994/1927372e-019b-448a-8645-697b8b8ed42a
`-- images
|-- 10af85ab-434d-4104-800d-099e05a3653e
| `-- 08ad02fc-6bfc-40ab-9c3d-24e0f1ac6689 ->
/dev/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/08ad02fc-6bfc-40ab-9c3d-24e0f1ac6689
|-- ac3a245f-e6fe-4159-b0ee-be08d4048bb7
| `-- 8b4bddc1-1602-45d7-854c-eaeac9549617 ->
/dev/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/8b4bddc1-1602-45d7-854c-eaeac9549617
|-- bb667f95-bbb0-41a4-ad15-66f1b9bdda59
| `-- 5abcb5f0-2c28-41b4-bfcc-bd41ef730d35 ->
/dev/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/5abcb5f0-2c28-41b4-bfcc-bd41ef730d35
|-- cccd50f6-6e47-43ab-9075-1bbd31d5e3b7
| `-- 169eacc2-584c-47ee-a295-ad3aa9c811c5 ->
/dev/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/169eacc2-584c-47ee-a295-ad3aa9c811c5
|-- dc77bfc2-cecd-4ab5-81f7-e15b81e45994
| `-- 1927372e-019b-448a-8645-697b8b8ed42a ->
/dev/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/1927372e-019b-448a-8645-697b8b8ed42a
`-- fc6b0b84-17fa-42e9-80ae-97cf50e8b74d
`-- 3eaeb1ba-2b36-4c29-b721-da19d3e5784e ->
/dev/1996dc3b-d33f-49cb-b32a-8f7b1d50af5e/3eaeb1ba-2b36-4c29-b721-da19d3e5784e
> - How to change image features?
> - How to add upmap option to libvirt domain?
> - How libvirt domain looks like?
> - How snapshots works?
>
Snapshot works fine, going to VM tab and creating snapshot as usual.
> - How clones works?
>
Disk copy can be done from the engine storage -> disk tab.
VM cloning failed for me, opened *Bug 1982083*
<https://bugzilla.redhat.com/show_bug.cgi?id=1982083> - Cloning VM with
managed block storage raise a NPE
> - How to migrate images from one domain to another?
>
I would let the storage team answer these questions in detail, +Benny
Zlotnik <bzlotnik(a)redhat.com> ?
--
Sandro Bonazzola
MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV
Red Hat EMEA <https://www.redhat.com/>
sbonazzo(a)redhat.com
<https://www.redhat.com/>
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