Is it possible to configure an iSCSI initiator inside a UML guest?
I have a UML guest running debian/stable (the host is also running
debian/stable). I need to configure an iSCSI initiator (client) inside the
guest. I've installed the open-iscsi debian package. Now I need to recompile
my UML kernel to enable iSCSI initiator support. I've successfully
recompiled my UML kernel to include ACL support, so I am familiar with that
process. However when I run the command `ARCH=um make menuconfig`, the
normal Device Drivers menu is inaccessible, which prevents me from enabling
any of the SCSI modules. If I manually add CONFIG_SCSI, CONFIG_ISCSI_TCP,
and CONFIG_BLK_SD to my .config, then run `ARCH=um make menuconfig`, the
symbols I added manually are removed. This leads me to believe that iSCSI is
simply not available inside UML. On the other hand, I found slides
online[1][2] that indicate that it is possible to use iSCSI from a UML
guest.
I suppose that I can configure the iSCSI initiator on my UML host and then
let the UML guest access it via a ubd# argument. In instincts make me think
that extra level of indirection will slow down storage access considerably.
[1]
http://www.cs.uccs.edu/~gsc/pub/master/msanduku/doc1/thesis_presentation.ppt
[2] (same slides, convertted to Google Docs)
http://docs.google.com/present/edit?id=0AR__Pz8-7AURZGc5ejdjdGJfNWc0bXpxbmhk&hl=en
Thanks,
Drew
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