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Are there any guidelines by the initiators of this project what stuff goes where? I think I may try my hand about writing something about using FCP based tape. My estimate would be that it would be a topic under the heading Technical Documentation. Correct? --Pwharder

I didn't create this topic category, so I can't say for sure, but I think Technical Documentation would point to existing (or newly created) documentation on external sites, not in the Wiki itself. The whole point of this Wiki it to provide information/documentation, so a huge percentage of it would wind up under the "Technical Documentation" category. I think we need a little more granularity than that. --Mpost 15:32, 21 September 2009 (UTC)
Mmm, I see you point. But then 'Using DCSSs and NSSs for swap spaces and file system sharing' seems about the same level of technical detail. 'Setting up and using tape storage' wouldn't merit to be on the main pahe either. --Pwharder 18:41, 21 September 2009 (UTC)
Right, but my intent has been to see what develops, and then make decisions about possible reorganization. Since you asked before doing, I gave you my reaction. :) --Mpost 19:00, 21 September 2009 (UTC)

Best method for ReadOnly root systems.

Description of this Discussion.

There are a few more or less different methods for setting up an readonly root filesystem. I have seen two approcahes. The first is Redbook ( I think ) that describes a quite complex system with different clonebases and it is possible to create both readonly and normal root file systems when cloning. The second was a quite short description on Novells Suse pages somewhere.

My believe is that it must be possible to do this in a simpler way. Most Linux distros have a LiveCD available, these are readonly.

The optimal solution would be to have some values define in VM profile FKeys (Yes you can read these values from inside the Linux when booting) pointing out if readonly or not, and if readonly where should be LINK statements to shared readonly disks instead of real MiniDisks for the root filesystem.

Together with all IP-config values in FKeys, for example:

COMMAND SET PF13 servername=ZLIN0001
COMMAND SET PF16 ipmask=
COMMAND SET PF17 netmask=
COMMAND SET PF18 gateway0=
COMMAND SET PF19 vlan=0122

the server can be completely self configuring.