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Installing from the network
Post 302162663 by Smiling Dragon on Tuesday 29th of January 2008 04:51:46 PM
01-29-2008
Quick checks:
Are you running either a tftpd or have the tftp service available in inetd?
Ditto for dhcp or bootp?
/etc/ethers, /etc/hostname set up correctly with your client settings?
Have you run setup_install_server or something similar on the blade100?
If those are all ok, you can look further by doing the following:
Run a packet sniffer (tcpdump or snoop for examples) on your blade100 looking for ARP and RARP packets (you only need one but I keep forgetting which one's which
).
Try to boot the Ultra1 on the network and watch the dump output. You should see the Ultra1 sending (R)ARP requests onto the local network.
If you see these, check the MAC matches what you have in your dhcp/bootp ethernet config (generally this is /etc/ethers on solaris).
If you have the right MAC, try looking to see if your jumpsart server (the Blade100) is replying correctly (again via tcpdump or snoop).
If that's working right, move on to the tftp step (where it passes a kernel across to the Ultra1) and repeat the process (ie more packet sniffing but looking for the next stage in the boot process).
If that works, you then look for NFS traffic indicating where it's looking for the OS image.
Lastly the NFS traffic to find the install media.
Are you running either a tftpd or have the tftp service available in inetd?
Ditto for dhcp or bootp?
/etc/ethers, /etc/hostname set up correctly with your client settings?
Have you run setup_install_server or something similar on the blade100?
If those are all ok, you can look further by doing the following:
Run a packet sniffer (tcpdump or snoop for examples) on your blade100 looking for ARP and RARP packets (you only need one but I keep forgetting which one's which
).Try to boot the Ultra1 on the network and watch the dump output. You should see the Ultra1 sending (R)ARP requests onto the local network.
If you see these, check the MAC matches what you have in your dhcp/bootp ethernet config (generally this is /etc/ethers on solaris).
If you have the right MAC, try looking to see if your jumpsart server (the Blade100) is replying correctly (again via tcpdump or snoop).
If that's working right, move on to the tftp step (where it passes a kernel across to the Ultra1) and repeat the process (ie more packet sniffing but looking for the next stage in the boot process).
If that works, you then look for NFS traffic indicating where it's looking for the OS image.
Lastly the NFS traffic to find the install media.
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LEARN ABOUT MINIX
rarpd
RARPD(8) System Manager's Manual RARPD(8) NAME
rarpd - reverse address resolution protocol daemon SYNOPSIS
rarpd [-d] DESCRIPTION
Rarpd listens on the ethernet for broadcast packets asking for reverse address resolution. These packets are sent by hosts at boot time to find out their IP address. Rarpd looks up the six octet ethernet number in the /etc/ethers file finding a host name. This name is trans- lated to the IP address of the host by a DNS lookup. The IP address is then sent to the host. Before rarpd can start its service it first finds out what the IP addresses of the ethernets are. It will look through /etc/ethers to map the ethernet addresses to host names. It then uses /etc/hosts to map the host names to IP addresses. If this lookup fails then several RARP requests are broadcasted in the hope that some RARP server knows the addresses. The IP addresses are eventually set in the same way as ifconfig(8). (The address is not changed if already set with ifconfig.) Note that the host names in the ethers and hosts files must match exactly. The DNS can not be used yet, so a simple name can't be translated to a fully qualified name. Rarpd exits after startup if there are no active ethernets, or if there is no ethers file. Warning! Sun diskless workstations assume that the first RARP server that answers is the host they are to boot from. For this to work all other Sun RARP servers delay their answer if they are not also the requestors boot server. The Minix rarpd does not have this kludge so it will happily engage the Sun boot server to see who can answer the client first. Unless your Minix host can actually serve a Sun diskless client, it is better not to list any more hosts in the ethers file than necessary. OPTIONS
-d Turns on debugging messages. Debugging can also be turned on at runtime by sending signal SIGUSR1 or turned off with SIGUSR2. SEE ALSO
ifconfig(8), ethers(5), hosts(5), set_net_default(8), boot(8), inetd(8), irdpd(8), nonamed(8). AUTHOR
Kees J. Bot (kjb@cs.vu.nl) RARPD(8)