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
14-5
Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
OL-9285-05
Chapter 14 Troubleshooting Zones and Zone Sets
Zone and Zone Set Issues
Host Cannot Communicate with Storage
A host cannot see a storage device for the following reasons:
•
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.
Symptom
Host cannot communicate with storage.
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:
Step 1
Verify that the host and storage device are in the same VSAN. See the
“Verifying VSAN Membership
Using Fabric Manager” section on page 11-4
.
Step 2
Configure zoning, if necessary, by choose
Fabric
xx
> VSAN
xx
> 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
Step 8
.
Step 4
Choose
Zone > Edit Local Full Zone Database
and select the VSAN you are interested in. Click on the
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
“Resolving Host and Storage Not in the Same Zone Using Fabric Manager”
section on page 14-6
.
Step 5
Choose
Zone > Edit Local Full Zone Database
and select the VSAN you are interested in. Click on the
active zone folder and determine if the zone in
Step 5
and the host and disk appear in the active zone set.
If the zone is not in the active zone set, see the
“Resolving Zone is Not in Active Zone Set Using Fabric
Manager” section on page 14-6
.
Table 14-2
Host Cannot Communicate with Storage
Symptom
Possible Cause
Solution
Host cannot
communicate with
storage.
Host and storage are not in the same
zone.
See the
“Resolving Host Not Communicating with Storage
Issue Using Fabric Manager” section on page 14-5
or the
“Resolving Host Not Communicating with Storage Using
the CLI” section on page 14-6
.
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.
See the
“E Port Is Isolated in a VSAN” section on
page 11-5
.
Host and storage are not in the same
VSAN.
Verify the VSAN membership. See the
“Verifying VSAN
Membership Using Fabric Manager” section on page 11-4
or the
“Verifying VSAN Membership Using the CLI”
section on page 11-4
.
