In begging to differ, lets review the math.

Suppose I have my physical server, a dually box, or even a 4 way. It has my 1Gb (or 2GB) fiber card. Now mind you, this is a Windows box, running VCB and some type of backup software.

Assuming this machine was getting 25mb/s on backups and you could run 4. OK, I'm assuming that this Windows server could be reading, compressing, backing up data at 100 megabytes per second. Yes, stay with me here.
10 meg/sec = 35 GB/Hour (100mb)
100meg/sec = 350 GB/Hour (1000mb)
So 10 hours at 100meg/sec (1000mb) would get you 3.5TB of backups.

Now I rounded the numbers a bit.
In your 10 hour backup window, your VCB box can backup 3.5TB. So for 10TB, you need 3 VCB proxies?
How does VCB scale, or am I missing something?

thanks
ron

And about the esxpress daemon in the console. There are jobs in the console that create, control and destory the VBA VMs. All the actual data processing happens in the virtual space. So if you have an 8 way host, you can run 8 backups if you choose.

Message was edited by:
ronzo

With any product that uses resources on the host, you are not going to run a backup during production hours. There is no reason to run VCB within a 10 hour window, since it uses no resources on the ESX hosts. Therefore you can run VCB 24 hours with minimal impact. Now granted, there are exceptions to this, but those VM's could be scheduled during what you would consider to be the backup window. In addition to VCB, if you use VCB and network based backups, you are now able to do a combination of backup technologies that scales out and up with minimal costs. Why use one backup technology when you can leverage both?

Hey look at that.

Gasprofitt started you guys going again, marked this thread answered and didn't even give you any points for your blood pressure.

'Doh

Brian-
All in good spirits! With the VMware market growing everyday, us and those guys are going to be crowded out by the big boys soon enough. (or crushed like bugs)
The only high blood pressure I know of is from MS not wanting to support VMs!

thanks
ronzo