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Esxi can't connect to iSCSI EMC AX4

Posted on 2015-01-21
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Last Modified: 2015-01-22
Hello everyone,

Suddenly 3 hosts in cluster managed by vCenter lost access to Datastores stored on EMC AX4 , I used Navisphere and I can see that the hosts are registered but shows " not connected " . In ESXi I made several attempts to solve the problem . Any suggestions?
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Question by:Micronas
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6 Comments
 
LVL 118
ID: 40563177
Have you checked your network, and completed basic checks such as

1. ping from the console

2. vmkping from the console

to the EMC AX4 ?
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Author Comment

by:Micronas
ID: 40563227
Ping from Console OK!
But vmkping... doesn't work!

All production systems is stopped now...
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LVL 118
ID: 40563242
Okay, so you need to look at your VMKernel and IP Addresses, and it looks like your vSwitches, and network interfaces on the vSwitches have become "disconnected"

iSCSI Traffic goes through the VMKernel Port Groups, so this is good news, that you've found, this.
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Author Comment

by:Micronas
ID: 40563264
Ok... vswitches are connected... i tries to restart hosts, but problem persists... any other  tip?
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LVL 118

Accepted Solution

by:
Andrew Hancock (VMware vExpert / EE MVE) earned 500 total points
ID: 40563295
networking, or vLAN must be down between VMKernel Portgroup vSwitch and nics, and SAN.

upload a screenshot of your networking.
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Author Closing Comment

by:Micronas
ID: 40565704
Network problems with some problems on storage.
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