Jerry-Fix

#!/bin/bash

lines=$(sudo ss -lp   | grep $1 | awk '{print $3}' | cut -d: -f2 | sort | wc -l)

if [ "$1" == "mongod" ]
then
  portarray=(`sudo ss -lp | grep $1 | awk '{print $3}' | cut -d: -f2 | sort | head -n $(($lines/2)) 2>/dev/null`)
else
	portarray=(`sudo ss -lp | grep $1 | awk '{print $3}' | cut -d: -f2 | sort 2>/dev/null`)
fi

Jerry-Fix

set title "SAS 10K 600G diff ioengine(libaio, mmap, sync) benchmark(bandwidth, IOPS) 100% randread"
set xlabel "blocksize(KB)"
set ylabel "bandwidth(MB/s)"
set y2label "IOPS"
set xtics 200
set y2tics 0,100,1500
set grid
set border 15
plot "raid10_diff_ioengine_randread_bandwidth_iops" using 1:2 with linespoints lt 30 title "libaio bandwidth",\
"raid10_diff_ioengine_randread_bandwidth_iops" using 1:3 with linespoints lt 31 title "mmap bandwidth",\

Jerry-Fix

Create raid
# ./MegaCli -CfgLdAdd -rX[E0:S0,E1:S1,...] [WT|WB] [NORA|RA|ADRA] [Direct|Cached]
        [CachedBadBBU|NoCachedBadBBU] [-szXXX [-szYYY ...]]
        [-strpszM] [-Hsp[E0:S0,...]] [-AfterLdX] | [FDE|CtrlBased]  
                [-Default| -Automatic| -None| -Maximum| -MaximumWithoutCaching] [-Cache] [-enblPI] [-Force]-aN 

Create RAID 0, 1, 5 drive
# ./MegaCli64 -CfgLdAdd -r(0|1|5) [E:S, E:S, ...] -aN

Create RAID 10 drive

Jerry-Fix

[32799839.603312] swapper/14: page allocation failure: order:4, mode:0x4020
[32799839.603317] Pid: 0, comm: swapper/14 Tainted: G        W    3.2.0-34-generic #53-Ubuntu
[32799839.603320] Call Trace:
[32799839.603322]  <IRQ>  [<ffffffff8111ceb6>] warn_alloc_failed+0xf6/0x150
[32799839.603336]  [<ffffffff81120c57>] __alloc_pages_nodemask+0x6d7/0x8f0
[32799839.603341]  [<ffffffff8157646c>] ? inet_getpeer+0x17c/0x2b0
[32799839.603346]  [<ffffffff8153c74b>] ? secure_ip_id+0x3b/0x40
[32799839.603351]  [<ffffffff816474de>] kmalloc_large_node+0x57/0x85
[32799839.603357]  [<ffffffff81165ea5>] __kmalloc_node_track_caller+0x195/0x1e0
[32799839.603360]  [<ffffffff81534d8b>] ? __alloc_skb+0x4b/0x240

Jerry-Fix

        Iozone: Performance Test of File I/O
                Version $Revision: 3.408 $
                Compiled for 64 bit mode.
                Build: linux 

        Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
                     Al Slater, Scott Rhine, Mike Wisner, Ken Goss
                     Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
                     Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
                     Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,

Jerry-Fix

# iozone -Rab output.xls -i 0 -i 1 -i 2 -y 4K -q 2M -n 4K -g 20G -S 8M -+u -f /mnt/10/Bonnie.64999 -z | tee  iozone.txt
        Iozone: Performance Test of File I/O
                Version $Revision: 3.408 $
                Compiled for 64 bit mode.
                Build: linux 

        Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
                     Al Slater, Scott Rhine, Mike Wisner, Ken Goss
                     Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
                     Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,

Jerry-Fix

# iozone -Rb output.xls -r 4K -s 2G
        Iozone: Performance Test of File I/O
                Version $Revision: 3.408 $
                Compiled for 64 bit mode.
                Build: linux 

        Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
                     Al Slater, Scott Rhine, Mike Wisner, Ken Goss
                     Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
                     Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,

Jerry-Fix

1. 7004_A
开启特性
feature vpc
feature lacp
no ip domain-lookup

建立 VRF 与 peer-keepalive，将建立的 peer-keepalive 成员端口加入到 VRF 中，与 7004 的路由表隔离
interface mgmt0
vrf member management
ip address 10.1.1.1/24

Jerry-Fix

RH & CentOS

1. mv /etc/modprobe.d/ipv6.conf  /var/tmp

2. cat  /etc/modprobe.d/bonding.conf

alias bond0 bonding

options bond0 mode=0 miimon=100 downdelay=200 updelay=200

Jerry-Fix

# yum install ifenslave iputils
# apt-get install ifenslave

# cat /etc/modprobe.d/bonding.conf 
alias bond0 bonding
options bonding mode=6 miimon=100 downdelay=200 updelay=200

Ubuntu
# cat /etc/network/interfaces
auto eth0