Problem with iSCSI installation program

Hi all

Like most of the people that I saw a play with the new features of vSphere, but I hit a problem with Setup of iSCSI.

Here, the background is, we have 3 Dell R805 servers with 12 network cards. Connected to Dell PS5000 3 WITHOUT. What im actually doing on our test server is set up 4 of these ports of network card for conenctivity in our san.

I followed the guide to iSCSI, vSphere to the letter until page 35, where he talks about the Jumbo frames. This is what im having issues.

Create a Jumbo Frames-Enabled vSwitch

Configure a vSwitch for Jumbo frames by changing the MTU size for this vSwitch.

Procedure

1 to set the size of the MTU to vSwitch, run the vicfg-vswitch - m & lt; MTU & gt; & lt; vSwitch & gt; order of the

vSphere CLI.

This command sets the MTU value for all the uplinks on the vSwitch. Should be the largest MTU size

Size MTU among all connected to the vSwitch virtual network adapters.

2. run the vicfg-vswitch - l command to display a list of the vSwitches on the host and verify that the

the vSwitch configuration is correct.

This part I did successfully and vSwitch1 shows as being MTU 9000 activated.

Sound this next part is difficult to know.

Create a VMkernel Jumbo Frames - Enabled Interface

If you are using an ESX host, you must use the command line interface to create a VMkernel network interface

that is activated with the frames.

Procedure

1. connect directly to the console of the ESX host.

2 use the esxcfg-vmknic command to create a connection VMkernel with Jumbo Frame supports.

esxcfg-vmknic - a - I & lt; address ip & gt; n & lt; netmask & gt; m & lt; MTU & gt; & lt; port group name & gt;.

3 launch the esxcfg-vmknic - l command to display a list of VMkernel interfaces and check that the

the Jumbo Frame-enabled interface configuration is correct.

4. check that the VMkernel interface is connected to a vSwitch with frames enabled.

5. configure all switches physical and all physical or virtual machines to which this interface VMkernel

connects to support Jumbo frames.

If I run the esxcfg-vmknic - l command, it shows 4 NICs I have MTU 1500. I'm confused as to what I'm doing here. What is the esxcfg-vmknic - a - I & lt; address ip & gt; n & lt; netmask & gt; m & lt; MTU & gt; & lt; port group name & gt;. command doing?... No matter what I put as the name of the Port Group that does not work... All I get when I run the command again is the list of options.

Thus, at this point my tests came to a stop. How can I get my NETWORK cards to show as 9000, and why the documentation provides commands that don't work?

I must emphasize, that we ran 3.5 successfully 12 months, if im not a total newbie to ESX.

Sorry for the long post, but I thought that he better explain it properly.

See you soon

Paull

C:\Program VMware vSphere CLI\bin > esxcfg - vmknic.pl - l h 10.63.2.202

Group/DVPort IP address of the IP family Port MAC-address Netmask of the interface

Type MTU

vmk2 iSCSI2 IPv4 10.63.5.106 255.255.255.0 00:50:56:72:89:2e 1500 STATIC

vmk3 iSCSI3 IPv4 10.63.5.107 255.255.255.0 00:50:56:7 d: 22:8 b 1500 STATIC

vmk4 iSCSI4 IPv4 10.63.5.108 255.255.255.0 00:50:56:71:84:f1 1500 STATIC

vmk0 iSCSI1 IPv4 10.63.5.105 255.255.255.0 00:50:56:70:85:ae 1500 STATIC

Looks like you have always vmknic as mtu = 1500. "" the only way to get the ti 9000 is remvoe the port groups iscsi1 ~ 4 and them with readd ' 9000 m ' in the esxcfg-vmknic - a cmd.

try and let us know how it goes. esxcfg-vswitch output would be also good to confirm that your vswitch is 9000 mtu.

-Kun

Tags: VMware

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