Rebuilding the Lustre-client rpms for a new kernel
Building the Lustre file system client only
Using RDMA with pagepool larger than 8GB
If you receive an RDMA error similar to this Wed Apr 20 09:53:38 CEST 2011: runmmfs starting Removing old /var/adm/ras/mmfs.log.* files: Unloading …
dd 測試硬碟速度
# dd bs=4M count=1024 if=/dev/zero of=xxxxxx conv=fdatasync
How to install support for Mellanox Infiniband hardware on CentOS6
# yum groupinstall “Infiniband Support” # yum install infiniband-diags perftest qperf opensm # chkconfig rdma on # chkconfig opensm on # shutdown …
GNOME 最小安裝 / 反安裝
安裝桌面套件 # yum -y groupinstall “Desktop” “Desktop Platform” “X Window System” “Fonts” 其它套件選擇性地安裝 # yum -y groupinstall “Graphical Administration Tools” # yum …
[linux] 產生 ethX uuid
# uuidgen eth0 a4c64ff7-4882-4e7d-8119-b46dc04c05aa # vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 TYPE=Ethernet UUID=a4c64ff7-4882-4e7d-8119-b46dc04c05aa
重設 RHEL 7 / CentOS 7 root 密碼
1. 在 GRUB 2 開機畫面，按 e 編輯 2. 然後在 有 rhgb quiet 那行後面加入 init=/bin/sh ，並且刪除 rhgb quiet 3. 按 ctrl + x …
STREAM benchmark
更改 Makefile CC = icc CFLAGS = -O3 -axSSE4.2 -openmp # export OMP_NUM_THREADS=16 # ./stream_c.exe ————————————————————- STREAM version $Revision: 5.10 $ ————————————————————- …
清除正在使用 lustre 檔案系統的程式
# lsof|grep lustre|awk ‘{print $2}’|xargs kill
Brocade RX-16 notes
Replacing the startup configuration with the running configuration After you make configuration changes to the active system, you can save those changes …