We also had problems getting custom drivers into the iso image. Ultimately what we had to do was just run a single drive in regular SCSI mode rather than as a raid configuration. Are you doing that or raid? It's not redundant, but the gateway only takes about 15min to reload if the one drive crashes.
And of course your other option is always the new Gateway appliance It works really good and takes away a lot of the headaches of trying to get it running on different hardware and configs.
This is pretty much the exact reason why we came up with the appliance, because the hardware out there is so diverse that it's impossible to include all drivers in the ISO. So instead, a simple, controllable piece of hardware appliance makes life a lot easier.
Now - there ARE a few articles on the LDMG and having installation problems. Primarily this one:
There is an internal document on how to add drivers to the broker ISO, but having some familiarity with Linux helps here. I'm checking with the document author whether he (or I) can post the information publically here. If it works out OK, I'll try to link the article to here.
But again - it involves some fiddling with Linux - essentially you need to identify (through running a few commands) a few relevant hardware identifiers (i.e - what components don't get detected / don't have drivers installed for them), and will link to it.
LANDesk EMEA Technical Lead.