====== ISCSI ======

  * linux iscsi heartbeat
  * link aggregation
  * [[http://zackreed.me/articles/48-adding-an-extra-disk-to-an-mdadm-array|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]]

[[http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?swItem=MTX-d7bcce2dc82d43daaec308eb40|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:
<code>
cat /proc/mdstat
watch cat /proc/mdstat
</code>

adding [[http://www.ganesh.me/337-install-hpacucli-on-ubuntu-debian.html|hp array config]] to linux:

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

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

[[https://oitibs.com/install-hp-acu-cli-on-debian/|Install hpacucli]]
<code>
#!/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
</code>

HP ACU CLI Commands:
<code>
/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
</code>

[[http://www.datadisk.co.uk/html_docs/redhat/hpacucli.htm|Reference]]

[[http://www.openfiler.com/learn/how-to/graphical-installation|Openfiler]] works pretty well. (for disks that are smaller than 2TB)

===== 3ware RAID Controller =====

  * [[http://www.rpmfind.net/linux/rpm2html/search.php?query=tw_cli|tw_cli]]
  * similar to the hp cli install

===== Windows (Initiator) =====

Initiator just means that this box will connect to the targets and create disk that can be shared over the network.

[[http://technet.microsoft.com/en-us/library/ee338477%28v=ws.10%29.aspx]]