[ovirt-users] leftover of disk moving operation

Gianluca Cecchi gianluca.cecchi at gmail.com
Wed Jan 31 12:00:36 UTC 2018 

On Wed, Jan 31, 2018 at 12:33 PM, Elad Ben Aharon <ebenahar at redhat.com>
wrote:

> You can correlate according to /rhev/data-center/%spuuid%/%sduuid%/images/
> The image id you can take from:
>
> # lvs -o name,tags |less -S
>
> IU, under LV Tage, is the LV's image id, fir example:
>
>   LV                                   LV Tags
>
>
>  13f5b7c1-ad93-41f3-96eb-147709640d1a IU_3646e381-d237-4940-a02d-
> 90bb90b1d45a,MD_5,PU_00000000-0000-0000-0000-000000000000
>
> On Tue, Jan 30, 2018 at 5:58 PM, Gianluca Cecchi <
> gianluca.cecchi at gmail.com> wrote:
>
>> On Tue, Jan 30, 2018 at 4:51 PM, Elad Ben Aharon <ebenahar at redhat.com>
>> wrote:
>>
>>> Please try:
>>>
>>> vdsClient -s 0 teardownImage <spUUID> <sdUUID> <imgUUID>
>>>
>>
>>
>> How do I map spUUID, sdUUID and imgUUID ?
>>
>>
>
OK, thanks.
In my case even after detaching and removing the original SD and putting the
target SD (now the only attached to the DC) into maintenance, putting host
into maintenance and rebooting the host, I still get these old LVs with
flags ao (san visibility to the old source sd is still here... I'm going to
remove when cleaned up..).

Could it depend on the fact that there was another host in the DC that I
put into maintenance and then powered off (because at the moment only one
host was able to see the target SD where I moved all the disks)?
So a sort of retained lock?

Anyway after restarting this host and activating it with also 2 running VMS
I have this kind of LV situation related to disks.
Note that I also included vg_name and you can see 3 VGs

be0c72ca-2dbc-4e02-ab48-5491ea0c01b7
and  f7b481c8-b744-43d4-9faa-0e494a308490 are two VGs on source old storage
domains from where I moved disks

c0097b1a-a387-4ffa-a62b-f9e6972197ef is VG on target new storage domain
where I moved the disks

#  lvs -o vg_name,name,tags

   be0c72ca-2dbc-4e02-ab48-5491ea0c01b7
9094cc5a-a05c-47e0-8ad9-0fef274ea97b
IU__remove_me_eb553b69-fafb-40de-9892-66b9f2826fd3,MD_6,PU_00000000-0000-0000-0000-000000000000
  be0c72ca-2dbc-4e02-ab48-5491ea0c01b7 c1250065-e137-46da-9c11-38b095ff93a7
IU__remove_me_de47a038-28f9-4131-9650-042f73088c46,MD_7,PU_00000000-0000-0000-0000-000000000000
  c0097b1a-a387-4ffa-a62b-f9e6972197ef 014ce954-d645-43f6-823a-73112b80f5ae
IU_72fb2b45-e1b3-4ea3-a95d-c19aa4b5aad4,MD_20,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef 09bdad3f-eae1-4449-bb6e-3c3f85e690e9
IU_7e97309c-5aad-468c-81fc-e2179e4dea3a,MD_6,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef 0afa6f2e-e4eb-481a-955c-4569e8eb737a
IU_4721b70f-7146-490f-b351-c4fbff05f62e,MD_7,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef 45e20ac8-f3c6-462b-a2c3-30f0c8262f84
IU_a50a9024-e951-4755-9a71-c47b93f99d58,MD_5,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef 4d27c0e1-546b-48ba-80fb-95dcd87b5583
IU_3f949bfa-749b-4201-aa94-13bbad45132a,MD_17,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef 6d23ec3e-79fb-47f0-85ff-08480476ea68
IU_8eb435f3-e8c1-4042-8180-e9f342b2e449,MD_9,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef 75aacb1d-5ce5-4b72-b481-646abfa7a652
IU_190135c5-710d-4ca4-9e0c-cf19e7ca0f8b,MD_11,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef 7f695bba-eba1-4ec2-ad24-3a0a5f03ea2d
IU_2aef413b-b2d1-4a7c-8fbb-df81c93050ea,MD_19,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef 8b48d5bb-a643-4c2b-9979-1a1be532ae71
IU_d258a707-0bb6-47d4-88b7-e0bf01b59f78,MD_16,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef 9094cc5a-a05c-47e0-8ad9-0fef274ea97b
IU_eb553b69-fafb-40de-9892-66b9f2826fd3,MD_14,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef a1ebb202-458a-4c3a-8020-adbd432cdc75
IU_bc0de77d-796b-4c8d-94b3-0829110a542f,MD_12,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef a20bb16e-7c7c-4ed4-85c0-cbf297048a8e
IU_6d8d41d5-2502-4392-8d4a-cca07581ec1e,MD_8,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef a2d5f043-55c2-4701-ac8c-ccb796a799d1
IU_c4cb42d2-c2ae-4336-8905-f743576869bc,MD_10,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef acb04c1e-488e-469f-9905-21540dfe4361
IU_48ca28fb-9c08-44ff-8599-7ba767a96b32,MD_13,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef c1250065-e137-46da-9c11-38b095ff93a7
IU_de47a038-28f9-4131-9650-042f73088c46,MD_15,PU_00000000-0000-0000-0000-000000000000

  c0097b1a-a387-4ffa-a62b-f9e6972197ef e26eac74-4445-4f3b-b2f5-ef048ae6d91b
IU_fe80f8f0-17d7-43b5-beb6-68983d9fd66c,MD_4,PU_00000000-0000-0000-0000-000000000000
     f7b481c8-b744-43d4-9faa-0e494a308490
45e20ac8-f3c6-462b-a2c3-30f0c8262f84
IU__remove_me_a50a9024-e951-4755-9a71-c47b93f99d58,MD_13,PU_00000000-0000-0000-0000-000000000000
  f7b481c8-b744-43d4-9faa-0e494a308490 4d27c0e1-546b-48ba-80fb-95dcd87b5583
IU__remove_me_3f949bfa-749b-4201-aa94-13bbad45132a,MD_16,PU_00000000-0000-0000-0000-000000000000
  f7b481c8-b744-43d4-9faa-0e494a308490 675d5f06-320a-4236-8d57-9ff7cc7eb200
IU_23f37083-2282-41df-a01f-3e79949a758e,MD_7,PU_00000000-0000-0000-0000-000000000000

  f7b481c8-b744-43d4-9faa-0e494a308490 6d23ec3e-79fb-47f0-85ff-08480476ea68
IU__remove_me_8eb435f3-e8c1-4042-8180-e9f342b2e449,MD_14,PU_00000000-0000-0000-0000-000000000000
  f7b481c8-b744-43d4-9faa-0e494a308490 823a79f2-b09a-4665-9dfa-8ccd2850225f
IU_b71340d7-1e9e-45a4-a531-95963cb34b26,MD_6,PU_00000000-0000-0000-0000-000000000000

  f7b481c8-b744-43d4-9faa-0e494a308490 863062c3-b3b0-4494-ad2f-76a1c29c069a
IU_c57ef2e7-f34a-4788-b354-8d77ff57fb22,MD_5,PU_00000000-0000-0000-0000-000000000000

  f7b481c8-b744-43d4-9faa-0e494a308490 a2d5f043-55c2-4701-ac8c-ccb796a799d1
IU__remove_me_c4cb42d2-c2ae-4336-8905-f743576869bc,MD_15,PU_00000000-0000-0000-0000-000000000000
  f7b481c8-b744-43d4-9faa-0e494a308490 e26eac74-4445-4f3b-b2f5-ef048ae6d91b
IU__remove_me_fe80f8f0-17d7-43b5-beb6-68983d9fd66c,MD_12,PU_00000000-0000-0000-0000-000000000000


So there are on the two old VGs some "remove_me" tagged LVs... that I think
corresponds to the erorrs I got during move disk operations

And if I take as reference the 6d23ec3e-79fb-47f0-85ff-08480476ea68 related
LV, I get these two entries

c0097b1a-a387-4ffa-a62b-f9e6972197ef 6d23ec3e-79fb-47f0-85ff-08480476ea68
IU_8eb435f3-e8c1-4042-8180-e9f342b2e449,MD_9,PU_00000000-0000-0000-0000-000000000000

f7b481c8-b744-43d4-9faa-0e494a308490 6d23ec3e-79fb-47f0-85ff-08480476ea68
IU__remove_me_8eb435f3-e8c1-4042-8180-e9f342b2e449,MD_14,PU_00000000-0000-0000-0000-000000000000

Of course the one with "remove_me" inside tag is what I have to remove...
because it is on old source SD that now has been detached/removed.

what should it be the imgUUID value to give to vdsClient? Do I have to
include IU prefix or what?

The first part of the command should be

vdsClient -s 0 teardownImage 55c7e1ee-7246-4574-ba46-28d4582ba0e8
f7b481c8-b744-43d4-9faa-0e494a308490  .....

Thanks again.
Gianluca
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