Re: Tools for FreeBSD development

2006-12-03 Thread Robert Watson


On Sat, 2 Dec 2006, Kevin Sanders wrote:


On 12/2/06, Alexander Kabaev [EMAIL PROTECTED] wrote:
I personally think that having a dedicated box in disk-less configuration 
is the best option out there. The ability to quickly go through series of 
hands/reboots without any associated fsck runs and without the risk of 
terminally damaging any local FS is priceless. If qemu can be tricked into 
disk-less booting, it should be just as good though.


Alexander, when you say disk-less configuration, are you referring to 
booting from a network image/server?  That's an interesting idea.  I'm 
fairly new to FreeBSD development also, and prefer the speed of a dedicated 
box, but recently suffered my first corrupted beyond repair system.


This is exactly the setup I use also.  Most typically, the setup involves a 
central development server running -STABLE, with a private network link to a 
series of crash boxes.  The development server NFS exports a file system to 
use as an NFS root and for file sharing, as well as running tftp and dhcp 
servers.  The test boxes use PXE to boot fom the central server.  Each test 
system has its own exported root, so I can use individual loader.conf's to 
tell test systems to boot off NFS, boot off local disks, etc.  I always load 
the kernel over NFS using pxeboot, regardless of whether I boot boxes with a 
local root.


You get some very nice effects -- you can easily move boxes between FreeBSD 
versions by switching out root file system symlinks, you can be building the 
next kernel while the previous one dumps core, etc.


Robert N M Watson
Computer Laboratory
University of Cambridge
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Re: Tools for FreeBSD development

2006-12-02 Thread Kip Macy

Qemu / vmware is probably the best way to go at the moment.

On 12/2/06, Vishal Patil [EMAIL PROTECTED] wrote:

I have recently moved over from Linux to FreeBSD and would like to if there
is something similar to UML (User Mode Linux) for doing kernel development
for FreeBSD. Reading different mailing lists, wikis etc it seems that qemu
seems to be the best option. Is this tool used by most of the FreeBSD
developers?
Thanks.

- Vishal
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Re: Tools for FreeBSD development

2006-12-02 Thread Alexander Kabaev
On Sat, 2 Dec 2006 18:28:57 -0500
Vishal Patil [EMAIL PROTECTED] wrote:

 I have recently moved over from Linux to FreeBSD and would like to if
 there is something similar to UML (User Mode Linux) for doing kernel
 development for FreeBSD. Reading different mailing lists, wikis etc
 it seems that qemu seems to be the best option. Is this tool used
 by most of the FreeBSD developers?
 Thanks.
 
I personally think that having a dedicated box in disk-less
configuration is the best option out there. The ability to quickly go
through series of hands/reboots without any associated fsck runs and
without the risk of terminally damaging any local FS is priceless. If
qemu can be tricked into disk-less booting, it should be just as good
though.

-- 
Alexander Kabaev


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Re: Tools for FreeBSD development

2006-12-02 Thread Kevin Sanders

On 12/2/06, Alexander Kabaev [EMAIL PROTECTED] wrote:

I personally think that having a dedicated box in disk-less
configuration is the best option out there. The ability to quickly go
through series of hands/reboots without any associated fsck runs and
without the risk of terminally damaging any local FS is priceless. If
qemu can be tricked into disk-less booting, it should be just as good
though.

--
Alexander Kabaev


Alexander, when you say disk-less configuration, are you referring to
booting from a network image/server?  That's an interesting idea.  I'm
fairly new to FreeBSD development also, and prefer the speed of a
dedicated box, but recently suffered my first corrupted beyond repair
system.

Kevin
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Re: Tools for FreeBSD development

2006-12-02 Thread Giorgos Keramidas
On 2006-12-02 20:05, Kevin Sanders [EMAIL PROTECTED] wrote:
On 12/2/06, Alexander Kabaev [EMAIL PROTECTED] wrote:
 I personally think that having a dedicated box in disk-less
 configuration is the best option out there. [...]
 
 Alexander, when you say disk-less configuration, are you
 referring to booting from a network image/server?  That's an
 interesting idea.  I'm fairly new to FreeBSD development also,
 and prefer the speed of a dedicated box, but recently suffered
 my first corrupted beyond repair system.

Yes, a diskless boot is a network-based boot :-)

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