Open Stack

Dear all,
This is interesting as I've seen this twice now - one of our DBAs and
sysadmins has just approached me saying they can't do an export of the nova
database because of a "missing table" that's listed but they can't access.
I just responded saying I've seen this before and without asking them which
table I asked "nova.projects"?

So whilst I don't disagree with something corrupted - its a bit odd that
that its nova.projects consistently.

I've seen this in a mix of hardware and set ups with MySQL.

Cheers,

Kev

On 15 May 2012 18:41, Jay Pipes <jaypipes at gmail.com> wrote:

> I believe you have corrupted MySQL system tables...
>
> Not sure there is a great solution for you other than to go back to a
> backup that you know is good. :(
>
> You might want to hop onto the MySQL forums or #mysql and see if anyone
> there has advice.
>
> Best,
> -jay
>
>
> On 05/15/2012 04:42 AM, Christian Parpart wrote:
>
>> Hi all,
>>
>> I am now in some urgent emergency mode :( - as I wanted to set our
>> OpenStack trials in stone
>> and make actually production-use of it.
>>
>> However, Nova's projects table (sometimes the dns_domains table) is
>> getting lost almost
>> every day now.
>> I have absolutely NO clue what the heck is going on to let mySQL ripp of
>> this table.
>> I cannot find anything in /var/log/mysql.* nor in /var/log/nova/*.log
>> that it was about to drop
>> any table or do anything special (yet - maybe I am missing something).
>>
>> However:
>> root at controller:~# echo 'SHOW TABLES' | mysql nova
>> agent_builds
>> aggregate_hosts
>> aggregate_metadata
>> aggregates
>> auth_tokens
>> block_device_mapping
>> bw_usage_cache
>> cells
>> certificates
>> compute_nodes
>> console_pools
>> consoles
>> dns_domains
>> fixed_ips
>> floating_ips
>> instance_actions
>> instance_faults
>> instance_info_caches
>> instance_metadata
>> instance_type_extra_specs
>> instance_types
>> instances
>> iscsi_targets
>> key_pairs
>> migrate_version
>> migrations
>> networks
>> projects
>> provider_fw_rules
>> quotas
>> s3_images
>> security_group_instance_**association
>> security_group_rules
>> security_groups
>> services
>> sm_backend_config
>> sm_flavors
>> sm_volume
>> snapshots
>> user_project_association
>> user_project_role_association
>> user_role_association
>> users
>> virtual_interfaces
>> virtual_storage_arrays
>> volume_metadata
>> volume_type_extra_specs
>> volume_types
>> volumes
>> root at controller:~# echo 'DESCRIBE projects' | mysql nova
>> ERROR 1146 (42S02) at line 1: Table 'nova.projects' doesn't exist
>> root at controller:~# ls -l /var/lib/mysql/nova/projects.*
>> -rw-rw---- 1 mysql mysql 8844 May 14 13:40 /var/lib/mysql/nova/projects.*
>> *frm
>>
>> the migrations table is empty, and I am running on Ubuntu 12.04 with
>> Essex OpenStack packages.
>>
>> Please, can anybody provide me a hint on what the heck is going on here?
>>
>> Many thanks,
>> Christian Parpart.
>>
>>
>>
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-- 
Kevin Jackson
@itarchitectkev
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