Thin Client and Virtual Machines Thread, ESXi 3.5 into 4 upgrade problem in adding Existing VMFS partition on iSCSI SAN in Technical; Hi All,
I've got 2x Dell PowerEdge 2950-III directly attached with Dell MD3000i iSCSI-SAN and today I had a hard ...
26th May 2009, 04:07 PM #1
- Rep Power
ESXi 3.5 into 4 upgrade problem in adding Existing VMFS partition on iSCSI SAN
I've got 2x Dell PowerEdge 2950-III directly attached with Dell MD3000i iSCSI-SAN and today I had a hard times in upgrading my production ESXi 3.5 u 4 into ESXi 4.0,
First is that the upgrade is failed miserably after following this thread: VMware Communities: error on host upgrade: this host is not compatible with this upgrade.
with the following Error message: ERROR: Unsupported boot disk
The boot device layout on the host does not support upgrade.
therefore I did a clean reinstall of ESXi 4 on top of ESXi 3.5 u 4 and lost every single settings on my ESXi host.
I'm now stuck in mapping the iSCSI SAN partition after following the guide from: http://support.dell.com/support/edoc...rage_guide.pdf
see the following attachment.
I wonder how does people do their upgrade into ESXi 4.0 in production system that is running ESXi 3.5 u 4 filled with hundreds of VM ?
The reason why I'm using 2x ESXi server connected into single SAN server is that I can just start the VM on the SAN from the other ESXi --> which is fine and tested, but then when i rebuild the failed server, I must delete the whole data inside the shared partition which contains my VMs.
So in conclusion after one of the ESXi Server failed, the iSCSI mapping would eventually destroy every single data in the partition ?
any idea and suggestion would be gladly appreciated
Last edited by albertwt; 27th May 2009 at 07:33 AM.
26th May 2009, 05:43 PM #2
The ESX4 HCL says your switch can only do SW ISCSI. ESX directly connected to a SAN is not supported. It may work, but its not supported. I'd fix your direct connection before you try n upgrade to ESX4.
Originally Posted by albertwt
You need to make sure there are no VMs on the hosts local drive.
You need at least 9.5 GB free on the host.
Installing a fresh version will wipe all settings.
To upgrade I:
1) Created a VM on a WS2008 32bit host and installed SQLSP2 and vCenter 4.0
2) Kicked the hosts out of vCenter 2.5 (because of SQL express limits)
3) Added the hosts to vCenter 4.0 VM (dont install client on vCenter VM)
4) Created a cluster for the old hosts and dumped them in there.
5) Took all VMs off 1 ESX3.5 host (upgrade candidate) and entered it into mantenance mode
6) Used the host update utility from the vSphere client (not vCenter) to upgrade host.
7) Took the host out of maintenance mode and put it in its own ESX4 cluster.
8) Tested moving VMs back on and off ESX4.0 host and ESX3.5 hosts.
9) Tested rebooting hosts, upgraded a second host to test VMotion, HA DRS and FT
10) Upgraded VMware tools on VMs (not Virtual hardware yet).
Last edited by Theblacksheep; 26th May 2009 at 06:43 PM.
Thanks to Theblacksheep from:
27th May 2009, 12:21 AM #3
27th May 2009, 12:45 AM #4
I think its so limited because its not supported for iSCSI on ESX with your SAN.
In the dell support matrix it says in the connection rules part:
"Hosts can connect to an iSCSI storage array using a Layer 2 (switched) or Layer 3 (routed) network."
Last edited by Theblacksheep; 27th May 2009 at 01:27 AM.
27th May 2009, 07:31 AM #5
- Rep Power
oh well, i think that i just live with it.
See the following attachment and it's respective result.
This is running on ESXi 3.5 u 4 before i did the migration to ESXi 4.0, I'll perform additional test and see how it goes with LSI Logic SAS new feature in ESXi4.
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