Host Cannot Communicate With Storage; Resolving Host Not Communicating With Storage Issue Using Fabric Manager - Cisco 9134 - MDS Multilayer Fabric Switch Troubleshooting Manual

Chapter 14 Troubleshooting Zones and Zone Sets
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m

Host Cannot Communicate with Storage

A host cannot see a storage device for the following reasons:
•
•
Symptom
Table 14-2 Host Cannot Communicate with Storage
Symptom Possible Cause
Host cannot Host and storage are not in the same
communicate with zone.
storage.
Zone is not in active zone set.
No active zone set and default zone
policy is deny.
The xE port connecting to the remote
switch is isolated.
Host and storage are not in the same
VSAN.

Resolving Host Not Communicating with Storage Issue Using Fabric Manager

To verify that the host is not communicating with storage using Fabric Manager, follow these steps:
Verify that the host and storage device are in the same VSAN. See the
Step 1
Using Fabric Manager" section on page
Step 2 Configure zoning, if necessary, by choose Fabricxx > VSANxx > Default Zone and selecting the
Policies tab to determine if the default zone policy is set to deny.
The default zone policy of permit means all nodes can see all other nodes. Deny means all nodes are
isolated when not explicitly placed in a zone.
Step 3 Optionally, select permit from the Default Zone Behavior drop-down menu to set the default zone policy
to permit if you are not using zoning. Got to
Choose Zone > Edit Local Full Zone Database and select the VSAN you are interested in. Click on the
Step 4
zones folder and verify that the host and storage are both members of the same zone. If they are not in
the same zone, see the
section on page
Choose Zone > Edit Local Full Zone Database and select the VSAN you are interested in. Click on the
Step 5
active zone folder and determine if the zone in
If the zone is not in the active zone set, see the
Manager" section on page
OL-9285-05
The default zone policy does not allow the devices to communicate.
Storage devices and host interfaces do not belong to the same zone or the zone is not part of the
active zone set.
Host cannot communicate with storage.
"Resolving Host and Storage Not in the Same Zone Using Fabric Manager"
14-6.
14-6.
Solution
See the "Resolving Host Not Communicating with Storage
Issue Using Fabric Manager" section on page 14-5
"Resolving Host Not Communicating with Storage Using
the CLI" section on page
See the "E Port Is Isolated in a VSAN" section on
page 11-5.
Verify the VSAN membership. See the
Membership Using Fabric Manager" section on page 11-4
or the "Verifying VSAN Membership Using the CLI"
section on page 11-4.
11-4.
Step 8.
Step 5 and the host and disk appear in the active zone set.
"Resolving Zone is Not in Active Zone Set Using Fabric
Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
Zone and Zone Set Issues
or the
14-6.
"Verifying VSAN
"Verifying VSAN Membership
14-5