We use Unitrends Virtual Backup as well; it has been around for quite a while 
since it was previously known as PHD Virtual Backup before Unitrends acquired 
them.  It snapshots and backs up individual VM's virtual disks at a time (with 
de-duplication and compression) so we don't have the issue of trying to quiesce 
the entire datastore at once.  If I recall correctly there are agents to handle 
cases like SQL or Exchange as well.  It also supports replicating completed 
backups to a secondary (perhaps offsite) destination.  We've been very happy 
with it overall.

- Dave

> On Oct 27, 2015, at 10:27 AM, Adam Levin <levi...@gmail.com> wrote:
> 
> Thanks Ski.  We also recently spoke to a new, young vendor named Rubrik.  
> It's an interesting product, but our company tends to avoid technology that's 
> less than 5 years or so in the market (pah!  boring! :) ).
> 
> -Adam
> 
> On Tue, Oct 27, 2015 at 10:40 AM, Ski Kacoroski <kacoro...@gmail.com> wrote:
> Adam,
> 
> I am a much smaller shop, but we really like Unitrends Virtual Backup. It is 
> like Veeam, was less expensive for us, and just plain works.  I have no idea 
> how if it could handle your solution.
> 
> cheers,
> 
> ski
> 
> 
> On 10/27/2015 06:14 AM, Adam Levin wrote:
> Hey all, I've got a question about how you backup your VM environment?
> 
> We're using vSphere 5.5 and NetApp NAS for datastores.  We have about 75
> 8TB datastores, and about 2500 VMs.  The VMs are not distributed evenly
> because of service levels associated with the datastores.
> 
> We're being told by various backup vendors that the main issue is the
> number of VMs per datastore, because quiescing lots of VMs and then
> taking a datastore snapshot can produce long wait times when rolling the
> qieusced images back in to the running VM.
> 
> Our VM team is telling us that there is no current tool to manage the
> number of VMs per datastore, just the size of the datastores.
> 
> So I'm curious what some common methods are for managing backups in a
> large VM environment. Do you just use agents and backup from within the
> VM?  Do you bother doing app consistent backups of the VMs or just
> snapshot the datastore and not worry about consistency?  Have you found
> a product that manages qiuescing and snapshots in a reasonable way?
> 
> We've looked at NetBackup, Commvault and Veeam so far.
> 
> Thanks,
> -Adam
> 
> 
> 
> 
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> 
> -- 
> "When we try to pick out anything by itself, we find it
>   connected to the entire universe"            John Muir
> 
> Chris "Ski" Kacoroski, s...@lopsa.org, 206-501-9803
> or ski98033 on most IM services
> 
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