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https://issues.apache.org/jira/browse/CLOUDSTACK-3289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13717796#comment-13717796
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Min Chen commented on CLOUDSTACK-3289:
--------------------------------------
This is the assumption we have made in our FS
(https://cwiki.apache.org/confluence/display/CLOUDSTACK/Storage+Backup+Object+Store+Plugin+Framework)
for 4.2 release:
NOTE that we have following assumptions:
1. you can add multiple image stores from the same provider, but we prevent
you from adding multiple image
stores from different providers.
2. For NFS image store providers, it is always zone-wide. And For S3/Swift,
it is always region-wide.
This should be relaxed post-4.2 to allow different image store providers cross
zones.
> StorageSubsystem: cannot add image store of a different provider in a
> different zone
> ------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-3289
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-3289
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Storage Controller
> Affects Versions: 4.2.0
> Reporter: Prasanna Santhanam
> Assignee: Min Chen
> Priority: Critical
> Fix For: 4.2.0
>
>
> The storage code right now restricts usage of multiple image store providers
> in the same zone. But it restricts this even when the image store may be in a
> different zone/region.
> From StorageManagerImpl.java:
> // check if we have already image stores from other different
> providers,
> // we currently are not supporting image stores from different
> // providers co-existing
> List<ImageStoreVO> imageStores = _imageStoreDao.listImageStores();
> for (ImageStoreVO store : imageStores) {
> if (!store.getProviderName().equalsIgnoreCase(providerName)) {
> throw new InvalidParameterValueException("You can only add
> new image stores from the same provider " + store.getProviderName()
> + " already added");
> }
> }
> search criteria lists all add images stores:
> @Override
> public List<ImageStoreVO> listImageStores() {
> SearchCriteria<ImageStoreVO> sc = createSearchCriteria();
> sc.addAnd("role", SearchCriteria.Op.EQ, DataStoreRole.Image);
> return listBy(sc);
> }
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