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From Abhinandan Prateek <abhinandan.prat...@shapeblue.com>
Subject Re: Primary Storage algorithm - when having more primary storages
Date Mon, 20 Apr 2015 15:37:05 GMT
Following algorithms are used to select storage pool:

random, userconcentratedpod_random: RANDOM
userdispersing: Select on basis of least no of volumes
firstfitleastconsumed: Select on basis of remaining capacity

These values can be set for “vm.allocation.algorithm” global config variable.

-abhi

> On 20-Apr-2015, at 8:17 pm, Andrija Panic <andrija.panic@gmail.com> wrote:
>
> Sorry for my ignorance - meaing completely random (except the scope ?)
>
> On 20 April 2015 at 16:01, Wei ZHOU <ustcweizhou@gmail.com> wrote:
>
>> /etc/cloudstack/management/componentContext.xml
>>
>>  <bean id="storagePoolAllocators"
>> class="com.cloud.utils.component.AdapterList">
>>    <property name="Adapters">
>>      <list>
>>          <ref bean="LocalStoragePoolAllocator"/>
>>          <ref bean="clusterScopeStoragePoolAllocator"/>
>>          <ref bean="zoneWideStoragePoolAllocator"/>
>>      </list>
>>    </property>
>>  </bean>
>>
>>
>> 2015-04-20 15:44 GMT+02:00 Andrija Panic <andrija.panic@gmail.com>:
>>
>>> Hi people,
>>>
>>> just wondering - if I have 3 primary storages (3 x NFS boxes) - what is
>> the
>>> volume alocation algoritm - is it compelte random, or is it like 1
>> client's
>>> volume goes always to 1 storage...
>>>
>>> Any info appreciated !
>>>
>>> Thanks,
>>>
>>> --
>>>
>>> Andrija Panić
>>>
>>
>
>
>
> --
>
> Andrija Panić

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