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ISO image not booting on IBM Power 8 / SLES 11.4 #817

@arielrolfo

Description

@arielrolfo
  • rear version (/usr/sbin/rear -V): Relax-and-Recover 1.18 / Git
  • OS version (cat /etc/rear/os.conf or lsb_release -a):
    LSB Version: core-2.0-noarch:core-3.2-noarch:core-4.0-noarch:core-2.0-ppc64:core-3.2-ppc64:core-4.0-ppc64:desktop-4.0-noarch:desktop-4.0-ppc32:desktop-4.0-ppc64:graphics-2.0-noarch:graphics-2.0-ppc32:graphics-2.0-ppc64:graphics-3.2-noarch:graphics-3.2-ppc32:graphics-3.2-ppc64:graphics-4.0-noarch:graphics-4.0-ppc32:graphics-4.0-ppc64
    Distributor ID: SUSE LINUX
    Description: SUSE Linux Enterprise Server 11 (ppc64)
    Release: 11
    Codename: n/a
  • rear configuration files (cat /etc/rear/site.conf or cat /etc/rear/local.conf):
    OUTPUT=ISO
    BACKUP=NETFS
    BACKUP_URL=nfs://nimp8/export/images
    BACKUP_OPTIONS="nfsvers=3,nolock"
    NETFS_KEEP_OLD_BACKUP_COPY=yes
    BACKUP_PROG_INCLUDE=( '/' )
    BACKUP_PROG_EXCLUDE=( '/tmp/' '/dev/shm/' '/var/lib/rear/output/' '/media/' '/hana/' )
    BOOT_FROM_SAN=y
    AUTOEXCLUDE_MULTIPATH=n
  • Brief description of the issue:
    I have done a backup via "rear -v mkbackup" and it went successfully but later on when I tried to boot from the .iso generated (55MB) I've got "no operating system installed" message. The .iso file is fine apparently, I was able to mount it and there are two files in there:
    -rw-r--r-- 1 root system 35967339 Apr 09 05:00 initrd.cgz
    -rw-r--r-- 1 root system 20806910 Jun 24 2015 kernel

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