[Users] Migration failed (previous migrations succeded)

[Sven Kieske]

Hi,

is there any documentation regarding all
allowed settings in the vdsm.conf?

I didn't find anything related in the rhev docs

Am 30.01.2014 21:43, schrieb Itamar Heim:
> On 01/30/2014 10:37 PM, Markus Stockhausen wrote:
>>>> Von: Itamar Heim [iheim at redhat.com]
>>>> Gesendet: Donnerstag, 30. Januar 2014 21:25
>>>> An: Markus Stockhausen; ovirt-users
>>>> Betreff: Re: [Users] Migration failed (previous migrations succeded)
>>>>
>>>>
>>>> Now I' getting serious problems. During the migration the VM was
>>>> doing a rather slow download at 1,5 MB/s. So the memory changed
>>>> by 15 MB per 10 seconds. No wonder that a check every 10 seconds
>>>> was not able to see any progress. Im scared what will happen if I
>>>> want to migrate a medium loaded system runing a database.
>>>>
>>>> Any tip for a parametrization?
>>>>
>>>> Markus
>>>>
>>>
>>> what's the bandwidth? default is up to 30MB/sec, to allow up to 3 VMs to
>>> migrate on 1Gb without congesting it.
>>> you could raise that if you have 10GB, or raise the bandwidth cap and
>>> reduce max number of concurrent VMs, etc.
>>
>> My migration network is IPoIB 10GBit. During our tests only one VM
>> was migrated.  Bandwidth cap or number of concurrent VMs has not
>> been changed after default install.
>>
>> Is migration_max_bandwidth in /etc/vdsm/vdsm.conf still the right place?
> 
> probably
> 
>> And what settings do you suggest?
> 
> well, to begin with, 300MB/sec on 10GE (still allowing concurrent
> migrations)
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> 

-- 
Mit freundlichen Grüßen / Regards

Sven Kieske

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