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Notes at the time of Login Delay Time
parameter change
Notes about "the waiting time (Login Delay Time) for delaying the login processing to a
device" at the time of SLES11 use are explained.
In SLES11, when change of "the waiting time (Login Delay Time) for delaying the login
processing to a device" is needed, it is possible to change the waiting time by using "-p
option of the hfcmgr command". Please refer to "HITACHI Gigabit Fibre Channel Adapter
USER'S GUIDE (Utility Software Edition)" for the details of "-p option of the hfcmgr
command."
In SLES11, when "-p option of the hfcmgr command" is used, as shown in the following
figure, in the default state, the column of Login Delay Time is displayed as 0 second.
# ./hfcmgr -p hfcldd0
Time: xxxx/xx/xx xx:xx:xx
--------------------------------------------------------
WWPN:50000870003021e0 Device:hfcldd0 [LinkUp]
--------------------------------------------------------
Connection Type
: Point to Point[fabric] (Point to Point)
Link Speed
: 1Gbps (1Gbps)
Max Transfer Size
: 16 MB (-)
Login Delay Time
Link Down Time
: 0 sec (-)
Reset Delay Time
: 19 sec (-)
Preferred AL-PA
: 0x01 (-)
Reset Timeout
: 20 sec (-)
Abort Timeout
: 8 sec (-)
Queue Depth
: 32 (-)
Machine Check
: 8 (-)
Allowed
: 5 (-)
Target Reset Mode
LUN Reset Delay
: 0 (-)
Interrupt Type
: Legacy Mode (-)
Logging Mode
: default (-)
Login Target Filter : none (-)
In SLES11, when "the waiting time (Login Delay Time) for delaying the login processing to
a device" is changed, it is necessary to add to the value of dev_loss_tmo/fast_io_fail_tmo.
About the method of changing the value of dev_loss_tmo/ fast_io_fail_tmo, Please refer to
"Display and setup steps of dev_loss_tmo", and "fast_io_fail_tmo changing by Device
mapper multipath".
Example 1: when Login Delay Time is 2 and fast_io_fail_tmo is "off", please set "the value
which added 2 to the value of dev_loss_tmo" as dev_loss_tmo.
Example 2: when Login Delay Time is 2 and fast_io_fail_tmo is a value except "off", please
set "the value which added 2 to the value of fast_io_fail_tmo" as fast_io_fail_tmo.
In the default state, it is set as 0.
: 0 sec (-)
: off (-)
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