Cisco DS-C9124-K9 Troubleshooting Guide - Page 416
Useful Show Commands to Debug Dynamic iSCSI Configuration, show iscsi session detail Command Output
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iSCSI Issues Chapter 20 Troubleshooting IP Storage Services Send documentation comments to [email protected] • 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 20-42 Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x OL-9285-05