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Can't PXE boot iscsi

Discussion in 'Red Hat / CentOS' started by Matt M., Feb 14, 2014.

  1. Matt M.

    Matt M. Guest

    I am trying to pxe boot an iscsi install but am getting kernel panic. The install to iscsi went without issues and I can mount the target on other boxes.

    PXE server: 192.168.0.170
    ISCSI target: 192.168.0.170::vmsrv1:storage.0
    Diskless client: 192.168.0.175

    PXE entry:
    label sl65x64_iscsi
    menu label ^ Scientific Linux 6.5 x64 ISCSI Boot
    kernel pxelinux.cfg/vmlinuz-2.6.32-431.el6.x86_64 ro root=/dev/sda1 rd_NO_LUKS rd_NO_LVM netroot=iscsi:mad:192.168.0.170::3260::vmsrv1:storage .0 iscsi_initiator=vmsrv1:storage.0 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto ip=192.168.0.175::192.168.0.1:255.255.255.0:vmsrv1:eth0:none ifname=eth0:<blocked out> KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM LANG=en_US.UTF-8 rhgb quiet
    initrd pxelinux.cfg/initramfs-2.6.32-431.el6.x86_64.img



    The kernel loads, then at initramfs, I get a kernel panic with error:
    not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

    There is no LVM, just a straight ext3 fs. The node (storage.0) contains 2 LUNS: 1=root, 2=swap (separate raw files). What am I doing wrong?
     
  2. Matt M.

    Matt M. Guest

    I'm not sure how I might do this if I can't pxe boot from iscsi at all. The same os and version boot fine from a local usb disk on the same box. It is a fresh install, no updates.
     

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