Method used to query the WWN of the HBA card on an application server

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Method used to query the WWN of the HBA card on an application server:
FAQ-How can I view the WWN of an application server HBA

Other related questions:
Whether HBAs are included in the standard configuration of Huawei servers
HBAs are optional components. Huawei rack servers provide PCIe slots for installing HBA cards, and blade servers support HBA mezz cards. If you want to purchase HBA cards, contact the sales personnel in the local office or query the compatibility list.

Application server HBAs supported by the storage system
For different types of server ports, HBAs supported by the S2600 storage system include: FAQ-What types of application server HBAs are supported by the S2600

Whether the WWN of the HBA changes after the board of a blade server is replaced
Does the WWN of the HBA change after the board of a blade server is replaced? Yes. After the WWN changes, the Linux host cannot discover the mapped LUNs. Add the initiator for the host on the ISM again, and run the hot_add command to scan for mapped LUNs.

Problem and solution when the WWN of the application server cannot be detected on the storage device due to the point-to-point mode of the HBA port
You can perform the following operations when WWN of the application server cannot be detected on the storage device due to the point-to-point mode of the HBA port: by going Failure to Detect the WWN of the Application Server Because the HBA Port Is Set to Point to Point page.

Method used to check the WWN of Fibre Channel HBA ports when the device is running under common operating systems
Method used to check the WWN of Fibre Channel HBA ports when the device is running under various common operating systems: 1. Windows system In a Window system, you can use the management software provided by the Fibre Channel HBA card vendor to check the WWN of the fiber adapter. The WWN is as follows: Qlogic: SANsurfer Emulex: HBAnyware 2. SUSE Linux 9 Check /proc/scsi/qla2xxx/* and use adapter-port as a keyword to search for the WWN of Fibre Channel HBA ports. # cat /proc/scsi/qla2xxx/* | grep adapter-port scsi-qla0-adapter-port=21000018822c8a2c; scsi-qla1-adapter-port=21000018822c8a2d; 3. SUSE Linux 10 Check contents of the /sys/class/fc_host/host*/port_name file and obtain the WWN of corresponding Fibre Channel HBA cards. # cat /sys/class/fc_host/host*/port_name 0x210000e08b907955 0x210000e08b902856 4. RedHat Linux AS4 # grep scsi /proc/scsi/qla2xxx/3 Number of reqs in pending_q= 0, retry_q= 0, done_q= 0, scsi_retry_q= 0 scsi-qla0-adapter-node=20000018822d7834; scsi-qla0-adapter-port=21000018822d7834; scsi-qla0-target-0=202900a0b8423858; scsi-qla0-port-0=200800a0b8423858:202900a0b8423858:0000e8:1; 5. RedHat Linux AS5 # cat /sys/class/fc_host/hostx/port_name 6. Solaris 10 The fcinfo command is provided. You can use fcinfo hba-port to check the WWN of Fibre Channel HBA ports: # fcinfo hba-port Check the path and connection status of ports on the Fibre Channel card. # luxadm -e port 7. HP-UX Run # ioscan -funC fc // to find Fibre Channel HBA cards and use fcmsutil to check the information of Fibre Channel HBA cards. # fcmsutil /dev/fcd0(1) 8. AIX Use # lsdev -Cc adapter to find Fibre Channel HBA cards. # lscfg -vpl fcs0 |grep network address 9. Note The first digit of the WWN of Emulex's HBA cards is 1. The first digit of the WWN of Qlogic's HBA cards is 2. The first digit of the WWN of HP Tachyon HBA cards is 5. 10. Connection Options of the Qlogic parameter: 0 - Loop only 1 - Point-to-point only 2 - Loop preferred, otherwise point-to-point. You are advised to choose loop only when the direct attached storage is used and choose point-to-point only when the storage is connected to the Fibre Channel switch. 11. Data rate This configuration item defines the rate on the Fibre Channel port: 0 �?1 Gbit/s 1 �?2 Gbit/s 2 - Auto

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