Date: Sun, 3 Jan 1999 13:30:53 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Brian Dean <brdean@mindspring.com> Cc: mike@smith.net.au (Mike Smith), brdean@mindspring.com, jwd@unx.sas.com, freebsd-current@FreeBSD.ORG Subject: Re: make release (almost) No space left on device Message-ID: <199901032130.NAA52511@apollo.backplane.com> References: <199901032113.QAA68859@vger.foo.com>
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:> > will make this chore almost unbearable!
:>
:> We'll do what we can, but consider using a bootable CDROM instead of
:> floppies for your installs. Much faster.
:>
:> There's a limit to what we can pack onto a floppy, unfortunately. 8(
:
:I only use the floppy to boot. For the distribution media, I use NFS
:or FTP from a local server. I generate 30 or so boot floppies with a
:sysinstall configuration file for each system and boot them all in
:parallel. If I don't install the ports, I can usually be completely
:done with all of the machines in less than 40 minutes. A multiple
:...
:
:-Brian
:--
:Brian Dean brdean@mindspring.com
I just disklabel a floppy, installing bootblocks on it (of course),
then compile up a BOOTP kernel and throw it onto the floppy. I kzip
the kernel on the floppy if necessary.
Then I simply run dhcpd on my main server and NFS-export (read-only)
/ and /usr and adjust /etc/rc to notice a bootp boot and the a
bootp-specific rc startup. Hell, I can even configure NFS based swap,
though it requires exporting the swap files read+write.
host test1 {
hardware ethernet 00:a0:b0:d3:38:25;
fixed-address 209.157.86.111;
option root-path "209.157.86.62:/";
option option-128 "209.157.86.62:/images/swap";
}
host test2 {
hardware ethernet 00:e0:31:1d:16:09;
fixed-address 209.157.86.112;
option root-path "209.157.86.62:/";
option option-128 "209.157.86.62:/images/swap";
}
apollo:/usr/src/sys# ls -la /images/swap
total 229514
drwxr-xr-x 2 root wheel 512 Dec 28 07:00 .
drwxr-xr-x 8 root wheel 512 Dec 26 18:58 ..
-rw-r--r-- 1 lander wheel 33554432 Dec 23 14:35 swap.209.157.86.111
-rw-r--r-- 1 lander wheel 67108864 Jan 2 12:25 swap.209.157.86.112
-rw-r--r-- 1 lander wheel 134217728 Jan 2 03:26 swap.209.157.86.6
My bootp-specific rc script does general setup of the machine - mainly
involving creating MFS filesystems for /dev, /home, /var/tmp,
/var/db, /var/run, and so forth (I suppoes I could have just done /var),
initializing the contents of those systems, and doing various other
things. It also figures out the IP address of the machine and runs a
machine-specific config.
lander:/home/dillon> df
Filesystem 1K-blocks Used Avail Capacity Mounted on
209.157.86.2:/ 63503 42613 15810 73% /
209.157.86.2:/usr 508143 315662 151830 68% /usr
209.157.86.2:/var 63503 11685 46738 20% /var
209.157.86.2:/images 1397423 434131 851499 34% /images
mfs:31 959 72 811 8% /var/run
mfs:33 7903 540 6731 7% /var/db
mfs:35 31743 8 29196 0% /var/tmp
mfs:37 31743 7 29197 0% /var/spool
procfs 4 4 0 100% /proc
mfs:57 1511 58 1333 4% /dev
mfs:61 31743 1990 27214 7% /home
lander:/home/dillon>
The kernel configuration parameters necessary to do a BOOTP kernel are:
options BOOTP # Use BOOTP to obtain IP address/hostname
options BOOTP_NFSROOT # NFS mount root filesystem using BOOTP info
options "BOOTP_NFSV3" # Use NFS v3 to NFS mount rootoptions
options BOOTP_COMPAT # Workaround for broken bootp daemons.
#options "BOOTP_WIRED_TO=xxx"
#options NFS_NOSERVER #Disable the NFS-server code.
options NFS #Network Filesystem
options NFS_ROOT
The only requirement is that the DHCPD server be on the same LAN as the
machines you boot from it, since it uses a low level ethernet protocol
to do its stuff.
The coolest thing is that all the sophistication resides on my main
server - the floppy has nothing on it but a kernel, so I can make changes
to the booting sequence without having to rewrite the floppy.
-Matt
Matthew Dillon Engineering, HiWay Technologies, Inc. & BEST Internet
Communications & God knows what else.
<dillon@backplane.com> (Please include original email in any response)
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