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тАО07-12-2010 06:12 AM
тАО07-12-2010 06:12 AM
P4300 - Using CMC when iSCSI is placed in VLAN?
The problem I've run into is that it's best practice to isolate the iSCSI traffic. With the suggestion of a VMWare support person, I created a VLAN on the physical switch (Cisco 3560) for the iSCSI traffic (including all ports going to the host, as well as the SAN ports).
Now that the Storage traffic is isolated, I cannot access the SAN (either node, nor the VIP) from the CMC on my own computer. I know that the reason is because I VLAN'ed the iSCSI from the rest of the network, but how would I be able to use the CMC to manage the SAN now? VMWare doesn't support routing for the storage traffic, so I believe I cannot create Inter-VLAN routing so that I can access the SAN from my computer. I am not sure how else I can access it, besides physically going to the SAN and using the console.
I don't have any VM's within that iSCSI VLAN and don't plan on putting any there. I'm not a VLAN expert by any means, so I'd appreciate it if someone could point me in the right direction to be able to manage the SAN via CMC on my computer still, while having the iSCSI traffic isloated via VLAN.
Thanks in advance!
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тАО07-12-2010 06:21 PM
тАО07-12-2010 06:21 PM
Re: P4300 - Using CMC when iSCSI is placed in VLAN?
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тАО07-12-2010 07:46 PM
тАО07-12-2010 07:46 PM
Re: P4300 - Using CMC when iSCSI is placed in VLAN?
Option number 2 is to route the traffic from your production vlan to the iSCSI vlan. This is typically only done when there is a management vlan with fewer users such as the it staff only on this vlan. Vmware doesn't have to do the routing for the vlan traffic, they will still have direct access to the vlan and not be accessing it over the route. The only traffic that will be routed will be the management traffic from the CMC to the lefthand nodes. This is supported and frankly vmware will have no idea it is happening.
Option number 3 is to create a vm network port group on the nic's that are connected to the iscsi vlan and just add an xp vm to that port group and run the cmc from there. The cmc is only needed for making changes to the san and is not needed to do anything else so that vm doesn't need to remain running when you are not using it so it can be shut down when not in use.
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тАО07-13-2010 04:53 AM
тАО07-13-2010 04:53 AM
Re: P4300 - Using CMC when iSCSI is placed in VLAN?
The problem now is that I can't see/use the normal network now on the XP machine. I've tried adding VLAN 1, as well as an untagged LAN, and neither allow the normal network communication (although at least when adding the Untagged LAN, the Dynamic IP settings pull down correctly). Does anyone have insight to get an Intel NIC with PROset to work on the normal network as well as an iSCSI VLAN at the same time?
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тАО07-13-2010 05:33 AM
тАО07-13-2010 05:33 AM
Re: P4300 - Using CMC when iSCSI is placed in VLAN?
1. put in a second NIC in your workstation and don't VLAN Tag it.
or
2. set up a VLAN Tagging Policy on your switch so that it applies the iSCSI VLan tag to the specified subnet as opposed to just honoring VLAN tagged traffic.
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тАО07-13-2010 07:55 AM
тАО07-13-2010 07:55 AM
Re: P4300 - Using CMC when iSCSI is placed in VLAN?
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тАО07-13-2010 09:13 AM
тАО07-13-2010 09:13 AM
Re: P4300 - Using CMC when iSCSI is placed in VLAN?
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тАО07-13-2010 09:52 AM
тАО07-13-2010 09:52 AM
Re: P4300 - Using CMC when iSCSI is placed in VLAN?
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тАО07-23-2010 01:29 PM
тАО07-23-2010 01:29 PM
Re: P4300 - Using CMC when iSCSI is placed in VLAN?
I'm wondering if I can't run a multihomed PC with both NICs on the same subnet, even though one is VLANed.
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тАО07-27-2010 01:40 PM
тАО07-27-2010 01:40 PM
Re: P4300 - Using CMC when iSCSI is placed in VLAN?
I also just implemented your option of:
Option number 3 is to create a vm network port group on the nic's that are connected to the iscsi vlan and just add an xp vm to that port group and run the cmc from there. The cmc is only needed for making changes to the san and is not needed to do anything else so that vm doesn't need to remain running when you are not using it so it can be shut down when not in use.
The XP VM connects to the SAN fine. The problem with this is that I cannot connect to the Internet on this VM since it is within that VLAN, so I can't do Windows Updates, or CMC upgrades, etc.
I understand the idea of isolating the iSCSI traffic, but how do people manage their SANs and do updates that need internet connections? There has to be an easier answer that people are already using, that I'm overlooking.