[ipxe-devel] iSCSI boot from SAN issue w/ iPXE Equallogic and vlan

shouldbe q931 shouldbeq931 at gmail.com
Tue Jun 18 16:12:46 UTC 2013

On Mon, Jun 17, 2013 at 11:17 AM, Thomas Pöhler
<tp at turtle-entertainment.de> wrote:
> Hey Guys,
> we are using a Dell Equallogic iSCSI SAN Appliance to serve our volumes. We
> want to get rid of expensive Qlogic iscsi HBAs to boot from SAN.
> Therefore we are using our standard NIC with PXE booting undionly.kpxe which
> then logs in the disk to boot.
> Without a tagged vlan this is working flawless. When we try to boot it over
> a tagged vlan the following happens:
> * ipxe successfully logs in iscsi disk
> * "Grub loading"
> * Read error
> Debuglog: https://gist.github.com/tommics/5795964
> On the Equallogic we see "iSCSI initiator connection failure. Connection was
> closed by peer". Keep in mind there is no general problem with Equallogic,
> this only happens when we use "vcreate" and then autoboot net0-3. If we
> configure the switch to send the same vlan untagged there is no problem.
> Our boot script looks like this:
> #!ipxe
> prompt --key 0x02 --timeout 2000 Press Ctrl-B for the iPXE command line...
> && shell ||
> vcreate --tag 3 net0
> autoboot net0-3
> Somehow it looks like it might have something to do with the redirection
> equallogic is doing:
> * ipxe login to group ip
> * equallogic gives redirection ip to ipxe
> * ipxe should relogin under new ip
> This is how i understand it.
> Any suggestions on how to proceed? I would be glad to help further
> debugging.
> Best Regards

I might try pinging the Equalogic on the tagged VLAN after "moving" to
the tagged VLAN...



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