Cisco 9134 - MDS Multilayer Fabric Switch User Manual

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Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
OL-9285-05
Chapter 20 Troubleshooting IP Storage Services
iSCSI Issues
• Dynamic iSCSI configuration places all iSCSI initiators logging into the MDS 9000 switch into
VSAN 1 by default.
• Any zoning in effect on the default VSAN (VSAN1) will also be applied to iSCSI-connected
devices.
Useful Show Commands to Debug Dynamic iSCSI Configuration
The show commands in this section are used to debug dynamic iSCSI configuration. The following
command output indicates correctly established iSCSI sessions. Run these commands on your switch
and compare the output with these samples to help identify possible issues.
• show iscsi session detail
• show iscsi remote-node initiator
• show iscsi stats
• show iscsi stats detail
• show iscsi local-node
• show fcns data vsan 1
• show flogi database vsan 1
show iscsi session detail Command Output
switch# show iscsi session detail
Initiator iqn.1987-05.com.cisco.02.F984BCA7E08C307E2D87A099B2D452F3.FULLMOON (FULLMOON)
Session #1 (index 2)
Target iqn.com.domainname.IPS-TEST.02-07.gw.202300a0b80b14da
VSAN 1, ISID 000000000000, TSID 134, Status active, no reservation
Type Normal, ExpCmdSN 44, MaxCmdSN 53, Barrier 0
MaxBurstSize 0, MaxConn 0, DataPDUInOrder No
DataSeqInOrder No, InitialR2T Yes, ImmediateData No
Registered LUN 0, Mapped LUN 0
Stats:
PDU: Command: 42, Response: 36
Bytes: TX: 4960, RX: 0
Number of connection: 1
Connection #1
Local IP address: 0xa021ec8, Peer IP address: 0xa021eca
CID 0, State: LOGGED_IN
StatSN 43, ExpStatSN 0
MaxRecvDSLength 524288, our_MaxRecvDSLength 1024
CSG 3, NSG 3, min_pdu_size 48 (w/ data 48)
AuthMethod none, HeaderDigest None (len 0), DataDigest None (len 0)
Version Min: 0, Max: 0
FC target: Up, Reorder PDU: No, Marker send: No (int 0)
Received MaxRecvDSLen key: Yes
show iscsi remote-node initiator Command Output
switch# show iscsi remote-node initiator
iSCSI Node name is iqn.1987-05.com.cisco.02.F984BCA7E08C307E2D87A099B2D452F3.FULLMOON
iSCSI alias name: FULLMOON
Node WWN is 20:0c:00:0b:be:77:72:42 (dynamic)
Member of vsans: 1
Number of Virtual n_ports: 1
Virtual Port WWN is 20:0d:00:0b:be:77:72:42 (dynamic)
Interface iSCSI 2/7, Portal group tag: 0x86

Cisco 9134 - MDS Multilayer Fabric Switch Specifications

General

Brand	Cisco
Model	9134 - MDS Multilayer Fabric Switch
Category	Switch
Language	English