05-12-2010
We are not using iSCSI so I can't help that much, sorry - found those two articles on how to implement iSCSI:
SVC Information Center
This one on an example using CISCO hardware and a DS4000. As far as I could understand from other sites, the step where you have to define iSCSI targets in /etc/iscsi/targets and the chdevs etc. will be the same for other models of hardware:
Implement iSCSI on AIX
And one more:
Help -
If you get it working, leave a note here what did the trick, ty.
Not sure how good your german is - here is one more describing what to do:
Stor IT Back - herstellerunabhängige Beratung
Some translation of it:
- Since AIX 5.2 iSCSI is implemented to the OS.
- Need a working TCP/IP connection to the storage.
- Is a ping to the iSCSI target successful, you can the software initiator(?) be installed.
- With "smitty -> chgiscsisw" the iSCSI-initiator will be created.
- Further configuration has to be done in /etc/iscsi/targets.
Here an example performance tuning for iSCSI he describes in his article:
Quote:
ifconfig en3 down
ifconfig en3 detach
chdev -a ent3 -a jumbo_frames=yes
chdev -l en3 -a tcp_recvspace=262144
chdev -l en3 -a tcp_sendspace=262144
chdev -l en3 -a rfc1323=1
ifconfig en3 up
At the end he points at
Implement iSCSI on AIX too.
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LEARN ABOUT REDHAT
iscsi.conf
ISCSI.CONF(5) File Formats Manual ISCSI.CONF(5)
NAME
iscsi.conf - iSCSI Target and LUN configuration
SYNOPSIS
/etc/iscsi.conf
DESCRIPTION
This manual page describes the format of the /etc/iscsi.conf file. This file is a simple text file that iscsid(8) uses to locate iSCSI tar-
get devices and LUNs. Comments are marked by lines beginning with '#'.
Available entries include:
DiscoveryAddress=<address>
IP address or hostname to use for target discovery. A TCP port number may be specified by appending a colon followed by the port
number. This entry must start in the first column, and must not contain any whitespace.
TargetIpAddr=<address>
A synonym for DiscoveryAddress.
Username=<user>
Specify the authentication user. If this entry precedes all DiscoveryAddress entries, it serves as the default. If this entry is
indented under a DiscoveryAddress entry, it specifies the user for all targets discovered at that IP address.
Password=<pass>
Specify the authentication password for the previously listed iSCSI If this entry precedes all DiscoveryAddress entries, it serves
as the default. If this entry is indented under a DiscoveryAddress entry, it specifies the user for all targets discovered at that
IP address.
EXAMPLE
# set the default user and password
Username=alice
Password=nty57nbe
# targets at this address will use the default Username and Password
DiscoveryAddress=192.168.10.94
# targets at this address will use the Username and Password below
DiscoveryAddress=192.168.10.95
Username=beatrice
Password=93fdgc20
NOTES
The iSCSI initiator drivers, README files, and example configuration files are available on the Linux-iSCSI homepage at:
http://linux-iscsi.sourceforge.com <http://linux-iscsi.sourceforge.com>
FILES
/etc/iscsi.conf
iSCSI Target and LUN configuration
SEE ALSO
iscsid(8)
$Revision: 1.9 $ $Date: 2002/09/19 20:00:32 $ ISCSI.CONF(5)