Cisco UCS B200 M3 Manual - Page 5

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Boot-Time Configuration

Example commands for setting fnic_max_qdepth to 128:

RHEL 6 .x / SLES11 / XS

1 . In /etc/grub .conf, append fnic .fnic_max_qdepth=<value> to the kernel line:

kernel /vmlinuz-2 .6 .32-358 .el6 .x86_64 ro root=/dev/mapper/vg_craigsrh-lv_root rd_NO_LUKS LANG=en_US .UTF-8

rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto rd_LVM_LV=vg_craigsrh/lv_swap rd_LVM_LV=vg_craigsrh/

lv_root KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet

2 . Reboot for the new fnic_max_qdepth to take effect .

RHEL 5 .x

1 . In /etc/modprobe .conf, add an "options fnic" line to set fnic_max_qdepth at boot time:

options fnic fnic_log_level=4 fnic_trace_max_pages=128 fnic_max_qdepth=128

2 . Rebuild initrd:

mkinitrd -v -f /boot/initrd-`uname -r` .img `uname –r`

3 . Reboot for the new fnic_max_qdepth to take effect .

ESX 5 .x

1 . Set fnic_max_qdepth by running the following command in ESX 5 CLI:

# esxcli system module parameters set –p fnic_max_qdepth=128 –m fnic

2 . Reboot for the new fnic_max_qdepth to take effect .

RHEL / SLES11 / XS

1 . Run one of the following commands at the CLI:

# modprobe fnic fnic_max_qdepth=128

# insmod fnic .ko fnic_max_qdepth=128

RHEL / SLES11 / XS

1 . Configure fnic_max_qdepth with sysfs entry with the following command at the CLI:

# echo 128 > /sys/module/fnic/parameters/fnic_max_qdepth

fnic .fnic_max_qdepth=128