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Fibre Channel and FCoE out of kernel driver versions
81
Installing and Configuring the Linux Host with the QLogic Driver
Description of QLogic v7.x-series driver parameters
When attaching to VNX series, CLARiiON, or Symmetrix storage
systems, EMC recommends that the
ConfigRequired and
ql2xfailover parameters be set to zero.
General driver
parameters
◆ ql2xopts: string that defines additional driver options and
persistent binding info.
◆ ql2xfailover: determines whether the failover functionality is
disabled or enabled.
Note: EMC does not support the failover functionality of the QLogic
driver.
◆ ql2xmaxqdepth: defines the maximum queue depth reported to
the SCSI mid-layer per device and specifies the number of
outstanding requests per LUN.
◆ ql2xmaxsectors: defines the maximum number of sectors
reported to the SCSI mid-layer per request for the adapter.
◆ q2xmaxsgs: defines the maximum number of scatter-gather
entries reported to the SCSI mid-layer per request for the adapter.
◆ ql2xlogintimeout: defines the login timeout value in seconds,
during the initial login.
◆ qlport_down_retry: defines the maximum number of command
retries to a port that returns a PORT DOWN status.
◆ ql2xretrycount: defines the maximum number of SCSI
mid-layer retries allowed per command.
◆ max_srbs: defines the maximum number of simultaneous
commands allowed for an adapter.
◆ displayConfig: defines whether to display the current driver
configuration. If 1, then the configuration used in
/etc/modules.conf is displayed.
qlFailoverNotifyType 0 0
recoveryTime 10 seconds 10 seconds
failbackTime 5 seconds 5 seconds
Table 6 QLogic v7.x series driver parameters (page 3 of 3)
Parameters QLogic default values EMC default recommendations