Six is for a MAJOR expansion

From: Paul Hutchings [mailto:paul.hutchi...@mira.co.uk]
Sent: Friday, November 30, 2012 4:40 AM
To: NT System Admin Issues
Subject: RE: OT?: Moving an old VMWare set

Just curiosity at work here but six hosts seems disproportionately high for 30 
VM's if those 30 VM's already run on a pair of ageing ESX 3.5 boxes?
________________________________
From: Richard McClary [richard.mccl...@aspca.org]
Sent: 29 November 2012 4:30 PM
To: NT System Admin Issues
Subject: OT?: Moving an old VMWare set
Greetings!  I know I really need to investigate VMWare support (shall do so), 
but in case anyone else has encountered this...

We are about to retire an old VMWare system and replace it with newer hardware.

Current system:

IBM x3650s (two), ESX 3.5, 3 ethernet ports (two for LAN, 1 for management), 
two fiber channel HBAs to datastore
IBM DS3400 SAN; 4 HBAs (2 to each ESX server)

The plan is to replace this completely with six IBM x3650M4s running ESXi 5, 
and iSCSI connections to a NetApp datastore.

The problem:  we have about 30 VMs on the DS3400, several of which are 
mission-critical (domain controllers, time clocks, etc).

I thought it would be possible to add additional NICs to the current servers, 
use those for an iSCSI connection to the NetAPP, configure a datastore on the 
NetApp, and then have the VMWare software copy of move the VM files from the 
old datastore to the new one.

It was pointed out to me, though, that the DS3400 is on a fiber channel 
equivalent of one VLAN, and the NetApp would be on another VLAN.  StorageMotion 
would not work.

Anyone out there ever encounter (and solve) this?

Thanks...
--
richard



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