zfcp module parameters

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7.1 LPAR mode z/VM guest

If the zfcp device driver was built as a separate module, the device driver is configured through module parameters when the module is loaded.

Figure 1. zfcp module parameter syntax

1  modprobe zfcp?  device=<device_bus_id>,<wwpn>,<fcp_lun>(1)
1! allow_lun_scan=1
1 allow_lun_scan=<value>
1! datarouter=1
1 datarouter=0
1! dbflevel=3
1 dbflevel=<level>
1! dbfsize=4
1 dbfsize=<pages>
1! dif=0
1 dif=1
1! dix=0
1 dix=1
1! port_scan_ratelimit=60000
1 port_scan_ratelimit=<limit>
1! port_scan_backoff=500
1 port_scan_backoff=<limit>
1! no_auto_port_rescan=0
1 no_auto_port_rescan=1
1! queue_depth=32
1 queue_depth=<depth>
1! ber_stop=1
1 ber_stop=0
Notes:
  • 1 For experimental use only. Do not use on production systems.

The variables have the same meaning as the corresponding kernel parameters with prefix zfcp. in zfcp device driver kernel parameters.