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Migrating host
We have a Dell EMC CX4-120, were trying to migrate all of our physical servers into a virtual environment. However we haven't done a transfer where we had a physical server with data luns. Were trying to figure out the best course of action to move a file server to VMWare, and then move the 2 data luns we have for it over. Is trespassing the only way to go?
RivaCom
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January 25th, 2010 10:00
We currently have 2 ESX 4.0 Hosts and a VCenter Client running vsphere.
Each host has 2 Dual fiber channel cards connected to our CX 4-120 and host currently about 7 VM machines each. Both ESX Hosts are members of the same storage group in the 4-120 and go through 2 Brocade switches via Fiber Channel lines.
Dev Mgr
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January 25th, 2010 10:00
Trespassing is to move a LUN from one SP to the other.
What is your exact setup?
- what hypervisor? (e.g. ESX, ESXi, Windows running VMware Server/Workstation)
- how are you connecting? iSCSI or Fiber Channel?
- are you going through switches or direct connect (direct connect needs a connection to both SPs)
Dev Mgr
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January 25th, 2010 21:00
What you do is the following:
- make sure you have backups of everything (just in case)
- shut down the physical machines
- remove the LUNs from the storage group that they are currently in
- add the LUNs to the storage group for the ESX servers
- in the VIC go to the configuration tab, then storage adapters and rescan the storage adapters (for new LUNs)
- verify the ESX servers can see the LUNs
- create your virtual machines with just the bootdisk (vmdk file on a vmfs filesystem)
- go to the virtual machine properties and select to add a disk. Select the "Raw Device Mapping" option. Now you get to select which LUN you want to give to that VM.
- go to the VM and have it rescan in device manager for new hardware
- go to the disk management and you should see the disk (with all data)