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| 12:45 Lebowski1 | Hello, |
| 12:46 Lebowski1 | i've some problem while booting the client, i get the error message Kernel panic - not syncing: VFS: Unable to mount root fs on > unknown-block (2,0) Some know these |
| 12:47 Lebowski1 | The exports file contains this lines; /srv/fai/config 10.0.2.0/255.255.254.0(async,ro,no_subtree_check) |
| 12:47 Lebowski1 | /srv/fai/nfsroot 10.0.2.0/255.255.254.0(async,ro,no_subtree_check,no_root_squash) 10.0.2.100(ro,async) |
| 13:06 BlindBunny | Lebowski1: can you successfully mount the NFS root fs when you boot, e.g. grml or knoppix on the client? |
| 13:08 Lebowski1 | I tried mounting on another PC with ubuntu. It still works |
| 13:16 Lebowski1 | I booted the client with ubuntu live-cd and tried: ubuntu@ubuntu:~$ sudo mount 10.0.2.2:/srv/fai/nfsroot/ /mnt/asd/ with this result: mount: wrong fs type, bad option, bad superblock on tjener:/srv/fai/nfsroot/, |
| 13:16 Lebowski1 | missing codepage or helper program, or other error |
| 13:16 Lebowski1 | (for several filesystems (e.g. nfs, cifs) you might |
| 13:16 Lebowski1 | need a /sbin/mount.<type> helper program) |
| 13:16 Lebowski1 | In some cases useful info is found in syslog - try |
| 13:16 Lebowski1 | dmesg | tail or so |
| 13:17 BlindBunny | Lebowski1: what does the kernel command line look like that you boot the client with? I mean for the FAI installation? |
| 13:18 BlindBunny | Lebowski1: not sure whether that might actually be a different problem |
| 13:19 BlindBunny | Lebowski1: sorry, bbl (lunch) |
| 13:20 Lebowski1 | Do you mean this line (in pxelinux.cfg/<ip-in-hex>) kernel vmlinuz-install |
| 13:58 BlindBunny | there should be an 'append' line, too |
| 13:59 Lebowski1 | Hope you enyoyed your lunch. Mounting nfs on client succeed while booting with ubunu-live. I forgot to install nfs-common. So, I think its a problem in the fai-configuration |
| 13:59 Lebowski1 | The append line is: append ip=dhcp FAI_ACTION=install root=/dev/nfs nfsroot=/srv/fai/nfsroot,v3,tcp,rsize=32768,wsize=32768 FAI_FLAGS=verbose,sshd,reboot |
| 13:59 Lebowski1 | What is the meaning of root=dev/nfs/ there is no /dev/nfs |
| 14:00 BlindBunny | try adding the statement 'boot=live' to the append line |
| 14:01 BlindBunny | the device /dev/nfs does not exist but it tells the initial ram disk to boot from NFS |
| 14:02 Lebowski1 | No changes, i get the same error |
| 14:04 BlindBunny | hrm |
| 14:06 BlindBunny | can you tell from the console messages whether the client gets an IP-address via DHCP? |
| 14:08 BlindBunny | hang on |
| 14:08 BlindBunny | so you do boot via PXE, right? |
| 14:09 Lebowski1 | Yes he get the adress 10.0.2.50 , there is an entry in the dhcp.conf # statische Vergabe |
| 14:09 Lebowski1 | host static00 { |
| 14:09 Lebowski1 | hardware ethernet 00:90:F5:67:64:3F; |
| 14:09 Lebowski1 | fixed-address static00; |
| 14:09 Lebowski1 | } |
| 14:09 Lebowski1 | yes, i boot via pxe |
| 14:09 BlindBunny | and which FAI version do you use? |
| 14:10 Lebowski1 | how to find out |
| 14:10 Lebowski1 | ? |
| 14:11 BlindBunny | fai --help on your server |
| 14:12 Lebowski1 | fai FAI 3.1.8, 13 Mar 2007 |
| 14:13 BlindBunny | have you created the PXE config with the chboot command? |
| 14:14 Lebowski1 | Ja |
| 14:14 Lebowski1 | Yes, but i'll trie agein |
| 14:15 BlindBunny | ok, no, then it should be alright |
| 14:16 BlindBunny | no, sorry, then I'm out of stupid questions |
| 14:17 Lebowski1 | Ok, thanks anyhow |
| 14:19 BlindBunny | you might want to try the latest FAI version |
| 14:20 BlindBunny | it uses a different booting method which is fairly reliable |
| 14:20 BlindBunny | see http://faiwiki.informatik.uni-koeln.de/index.php/Main_Page#getting_FAI |
| 14:20 BlindBunny | cu - I'm off |
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| --- Sun Jan 3 2010 |