H David,

I am not licensed to give support on a vendors propriety product, so take all 
of this with a gain of the appropriate crystal;

Ad 1: you are right but migrating to another host should work as well.
Ad 2: There is a table that tells you that a snapshot or image is on a certain 
primary storage but you’ll need to track it there. Easiest is to see if the id 
of the primary storage still occurs in snapshot_store_ref. This as example: 
‘SELECT * FROM snapshot_store_ref WHERE store_id = <your old store’s id>”. You 
might want to make sure all looks all right in storage_pool, 
storage_pool_host_ref and storage_pool_work as well. And please keep in mind I 
am looking at ACS 4.5 not CP even though the difference in this area should be 
at most trivial.

On 06/06/2017, 19:10, "David Merrill" <david.merr...@reliablenetworks.com> 
wrote:

    We're in the process of phasing out primary storage in one of our zones and 
had some questions about dealing with: 
    
    
        1. system VMs (Console Proxy & Secondary Storage) 
        2. what looks like (to me), left over snapshot artifacts 
    
    We're running CloudPlatform 4.5.1 with XenServer hypervisors and the 
storage to be retired are Dell Equallogic servers. 
    
    For the first item I think all I need to do is mark the primary storage on 
the Dell EQL's into maintenance mode and then destroy them so that they'll come 
up on the new primary storage (already provisioned & configured in 
CloudPlatform). 
    
    It's the second item that's giving me pause, when looking at the SR 
associated with the primary storage I'm seeing disks named like: 
    
    
        * ABCServer_ROOT-685_20160905000250 
    
    and in CloudPlatform have found an associated volume snapshot with the same 
date data. This seemed odd because I've understood that volume snapshots should 
be on secondary storage. 
    
    I deleted the snapshot in CloudPlatform thinking that perhaps the disk 
above would disappear from view when looking at the SR in XenCenter, but it's 
still there. The impression I'm getting is that perhaps this is left over from 
some volume snapshot failure to clean up? 
    
    How can I best chase this down? I'd like to retire this storage but I'd 
like to make sure that once it's gone there isn't something in the database 
that's still referring items there. 
    
    Thanks, 
    David 
    
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