[Users] Old storage domain ID left behind in master storage domain's metadata

[Elad Ben Aharon]

How exactly did you remove the old local storage domain?

----- Original Message -----
From: "Boyan Tabakov" <blade at alslayer.net>
To: users at ovirt.org
Sent: Tuesday, February 25, 2014 12:59:09 PM
Subject: [Users] Old storage domain ID left behind in master storage	domain's metadata

Hello,

I started with an all-in-one installation of ovirt 3.3.2 on a FC19 host.
After the initial setup was done, I created a new datacenter, cluster
and storage domain in the engine and moved the single host in the engine
to the new cluster. After that I deleted the automatically created
storage domain, local datacenter, etc.

It seems, however, that the new master storage domain still contains
some references to the now removed old storage domains in its metadata.
Here's the metadata, extracted from the tags of the VG. I got them using
vgs:

MDT_DESCRIPTION=StorageDomainX
MDT_LOCKPOLICY=
MDT_PV0=pv:36090a098103b1821532d057a5a0120d4&44&uuid:xreVSW-NmjD-MUqk-jucQ-Hrbs-KRe8-P93tn3&44&pestart:0&44&pecount:798&44&mapoffset:0
MDT_TYPE=ISCSI
MDT_LOGBLKSIZE=512
MDT_VGUUID=npukh2-ulUm-MEbj-T0TZ-0kDX-pUkp-2hJEKo
MDT_LEASERETRIES=3
MDT_IOOPTIMEOUTSEC=10
MDT_LOCKRENEWALINTERVALSEC=5
MDT_SDUUID=3307f6fa-dd58-43db-ab23-b1fb299006c7
MDT_PHYBLKSIZE=512
MDT_CLASS=Data
MDT_VERSION=3
RHAT_storage_domain
MDT_POOL_UUID=61f15cc0-8bba-482d-8a81-cd636a581b58
MDT_ROLE=Master
MDT_MASTER_VERSION=44
MDT_POOL_DESCRIPTION=DataCenterX
MDT_POOL_DOMAINS=ec4ba43a-e334-4ce2-90d1-86e5a6da071d:Active&44&a7af75fe-b96a-4ebe-8903-5743a8176311:Active&44&ff33856e-e00f-4be8-9456-8e47c592f82f:Active&44&3307f6fa-dd58-43db-ab23-b1fb299006c7:Active
MDT_PV1=pv:36090a09810bb99fefb2da57b94332027&44&uuid:UMUs49-GvEF-IOgZ-p6jD-yP1r-dpnd-syawJz&44&pestart:0&44&pecount:798&44&mapoffset:798
MDT_POOL_SPM_ID=1
MDT_POOL_SPM_LVER=30
MDT__SHA_CKSUM=ad43ad855d386b103a672a0801a932a9ee115ed7

Notably, see MDT_POOL_DOMAINS. Domains
ec4ba43a-e334-4ce2-90d1-86e5a6da071d and
a7af75fe-b96a-4ebe-8903-5743a8176311 no longer exist in the engine (were
removed from admin UI).

Their presence in the metadata causes vdsmd to repeatedly try to access
those domains, resulting in constant error messages in the log that the
domains don't exist.

Any advice on how to properly clean up the old domains from the metadata?

Thanks in advance!

Boyan Tabakov


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