Hi, I'm trying to find out ways of retrieving HBA identifying information from for Emulex and Qlogic cards on RHEL4 and RHEL5, preferably without having to install the vendor-provided drivers (in this case HP's package of lpfc and qla2xx). On RHEL4 with 2 single-channel Qlogic HBAs, I've found that the files in /proc/scsi/qla2xxx/* have everything I need: [nik@host1 ~]$ grep -A 2 'SCSI Device Information:' /proc/scsi/qla2xxx/* /proc/scsi/qla2xxx/0:SCSI Device Information: /proc/scsi/qla2xxx/0-scsi-qla0-adapter-node=200000e08b9075e6; /proc/scsi/qla2xxx/0-scsi-qla0-adapter-port=210000e08b9075e6; -- /proc/scsi/qla2xxx/1:SCSI Device Information: /proc/scsi/qla2xxx/1-scsi-qla1-adapter-node=200000e08b91ba01; /proc/scsi/qla2xxx/1-scsi-qla1-adapter-port=210000e08b91ba01; This concurs with the output of the adapter_info command that comes with the HP-supplied fibreutils RPM. [nik@host1 ~]$ sudo adapter_info /proc/scsi/qla2xxx/1: STATE=READY WWNN=200000e08b91ba01 WWPN=210000e08b91ba01 /proc/scsi/qla2xxx/0: STATE=READY WWNN=200000e08b9075e6 WWPN=210000e08b9075e6 However, on RHEL4 with 2 single-channel Emulex HBAs, there appears to be a discrepancy between what is in /proc/scsi/lpfc/* and what adapter_info is telling me: [nik@host2 ~]$ cat /proc/scsi/lpfc/0 lpfc0t00 DID 6f0000 WWPN 50:00:1f:e1:50:02:f1:19 WWNN 50:00:1f:e1:50:02:f1:10 lpfc0t01 DID 6f0100 WWPN 50:00:1f:e1:50:02:f1:1d WWNN 50:00:1f:e1:50:02:f1:10 [nik@host2 ~]$ cat /proc/scsi/lpfc/1 lpfc1t00 DID 790000 WWPN 50:00:1f:e1:50:02:f1:1c WWNN 50:00:1f:e1:50:02:f1:10 lpfc1t01 DID 790100 WWPN 50:00:1f:e1:50:02:f1:18 WWNN 50:00:1f:e1:50:02:f1:10 [nik@host2 ~]$ sudo adapter_info /sys/class/scsi_host/0: STATE=LINKUP WWNN=20000000c95e0709 WWPN=10000000c95e0709 /sys/class/scsi_host/1: STATE=LINKUP WWNN=20000000c9561b5b WWPN=10000000c9561b5b Firstly why is it that there appear to be 2 ports per lpfc device? There is only one port per card. Secondly, why does is there no apparent match between the WWNs output from /proc and adapter_info? Thirdly why are the WWNNs all the same in the /proc output? RHEL5 kernels seem to do things quite differently. It seems like the info is quite deep somewhere within /sys/class/fc_host/. What's a recommended method to retrieve this info on RHEL5? And would the method be consistent regardless of which vendor's HBA's card is being used? Thanks in advance, Nik -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
