Re: Loop and ENBD device management (was Re: [Xen-devel] Automation scripts)

[Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>]

> > This should already be useful, at least for file-based disks.  It'd be
> > nice to
> > have the ENBD script working and have some kind of iSCSI script at
> some
> > stage.
> 
> For iSCSI, have a look at iscsi-init at sourceforge.
> http://iscsi-init.sourceforge.net. Load it as a module in an initrd and
> it uses some kernel parameters and automatically configures the network
> and then connects to the designated target.

I've found iscsi-init very useful. I've created in an initrd that
loads it and the iscsi_sfnet module, and am then able to pass in
the initiator and target name on the kernel command line.

A couple of things to watch out for:
 * If you're using 2.4, it's necessary to hack the iscsi code such
that ENABLE_CLUSTERING is changed to DISABLE_CLUSTERING
 * you need to enable CONFIG_VLAN_8021Q=y to get iscsi-init to work. 

> Just on the topic of iSCSI though, linux-iscsi 4.0.1.8 + iscsitarget
> (sourceforge project names) causes corruption for me. 4.0.1.9 doesn't
> but then iscsi-init doesn't work for that yet.

I use a hardware target. There's three different linux iscsi
target implementations, and they're all lacking in one way or
another.

Ian


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