troubleshooting Question

VMWare ESX 4 hosts not seeing ISCSI storage - missing vmkiscsiconf file?

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abssupport asked on
VMwareStorage
40 Comments1 Solution9157 ViewsLast Modified:
Hi There,

Have a major issue seeing an existing iscsi san from a pair of ESX 4 hosts.
When I first set these up I had a fair bit of difficulty in getting it to connect but eventualy I did.
Now I have (though I should have done before, doh) enabled Jumbo frames using the advice i this article;

http://www.sysadmintutorials.com/tutorials/vmware-vsphere-4/esx-4/enabling-jumbo-frames-with-vmware-esx-4/

I have also enabled jumbo frames on the SAN an HP MSA2312i.
The switches are 3Com Baseline Switch 2928 unit which support jumbo frames.

OK, I have this additional issue with particular Broadcom nics in use in this installation that VMWARE are aware of;

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1025644

I have done as they have said and now the HBAs once again discover the iscsi SAN.

BUT try as I might I cannot rediscover the storage.  I have rebooted and no change.  I can vmkping the SAN addresses.

Some searching around has led me to a troubleshooting page;

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1008083

My big concern here is that I don't have a /etc/vmkiscsi.conf file!  Could this be my issue?

This is a pretty bad situation as VMs are down and I need it to be up (obviously)

Anyone got any clue?
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