ISCSI

linux iscsi heartbeat
link aggregation
Add disk to raid 5

Linux (Target)

Target just means that this machine will house the physical hard drives and will share them as ISCSI drives.

http://www.howtoforge.com/using-iscsi-on-debian-squeeze-initiator-and-target

HP System Management Homepage needed to run ACU CLI in the web browser.

For HP Homepage, add –nopre option to the rpm install command.

getting softRaid status:

cat /proc/mdstat
watch cat /proc/mdstat

adding hp array config to linux:

for openfiler:
 conary update rpm
 rpm -ivh --nodeps <package-name>

for debian:
 apt-get install alien
 alien -k <package-name>
 dpkg -i <package-name>

Install hpacucli

#!/bin/bash
# download the GPG key of the repository:
wget http://downloads.linux.hpe.com/SDR/repo/mcp/GPG-KEY-mcp -O /usr/share/keyrings/proliant.gpg
# add keys
curl http://downloads.linux.hpe.com/SDR/hpPublicKey1024.pub | apt-key add -
curl http://downloads.linux.hpe.com/SDR/hpPublicKey2048.pub | apt-key add -
curl http://downloads.linux.hpe.com/SDR/hpPublicKey2048_key1.pub | apt-key add -
curl http://downloads.linux.hpe.com/SDR/hpePublicKey2048_key1.pub | apt-key add -
# create apt sources file for HP/Proliant repo
echo -e "deb http://downloads.linux.hpe.com/SDR/repo/mcp/ wheezy/current non-free" > /etc/apt/sources.list.d/proliant.sources.list
# update apt & install hpacucli package
apt-get update && apt-get install hpacucli

HP ACU CLI Commands:

/opt/compaq/hpacucli/bld/hpacucli
hpacucli ctrl all show config
controller slot=9 logicaldrive all show detail
controller all show config detail
ctrl slot=9 modify nbwc=disable
controller slot=9 show detail
controller slot=9 logicaldrive 1 modify caching=enable

Reference

Openfiler works pretty well. (for disks that are smaller than 2TB)