[rear-users] unable to recover redhat power linux server

Spatola, Pat PSpatola at wrberkley.com
Tue Mar 27 22:48:44 CEST 2018


Hi, I am new to the list. I saw this package at an IBM conference. I was able to get the rear2.3 package installed and create an iso and a backup to an nfs mount.


However,  I am unable to recover a Redhat 7.3 power linux server from the rear iso I created.  I boot the linux lpar from the iso and it stops at the firmware.

setparams 'Relax-and-Recover'
        linux   /kernel root=/dev/ram0  selinux=0
        initrd  /initrd.xz
OF stdout device is: /vdevice/vty at 30000000
Preparing to boot Linux version 3.10.0-514.21.1.el7.ppc64le (mockbuild at ppc-047.build.eng.bos.redhat.com) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-11) (GCC) ) #1 SMP Sat Apr 22 02:38:06 EDT 2017
Detected machine type: 0000000000000101
Max number of cores passed to firmware: 512 (NR_CPUS = 2048)
Calling ibm,client-architecture-support... done
command line: BOOT_IMAGE=/kernel root=/dev/ram0 selinux=0
memory layout at init:
  memory_limit : 0000000000000000 (16 MB aligned)
  alloc_bottom : 00000000074b0000
  alloc_top    : 0000000010000000
  alloc_top_hi : 0000000010000000
  rmo_top      : 0000000010000000
  ram_top      : 0000000010000000
instantiating rtas at 0x000000000ee90000... done
prom_hold_cpus: skipped
copying OF device tree...
Building dt strings...
Building dt structure...
Device tree strings 0x00000000074c0000 -> 0x00000000074c15c6
Device tree struct  0x00000000074d0000 -> 0x00000000074f0000
Calling quiesce...
returning from prom_init
[    0.000000] Using pSeries machine description
[    0.000000] Page sizes from device-tree:
[    0.000000] base_shift=12: shift=12, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=0
[    0.000000] base_shift=12: shift=16, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=7
[    0.000000] base_shift=12: shift=24, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=56
[    0.000000] base_shift=16: shift=16, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=1
[    0.000000] base_shift=16: shift=24, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=8
[    0.000000] base_shift=24: shift=24, sllp=0x0100, avpnm=0x00000001, tlbiel=0, penc=0
[    0.000000] base_shift=34: shift=34, sllp=0x0120, avpnm=0x000007ff, tlbiel=0, penc=3
[    0.000000] Using 1TB segments
[    0.000000] Found initrd at 0xc000000004e00000:0xc0000000074adb79



rear -V
Relax-and-Recover 2.3 / 2017-12-20

redhat version
Linux xxxxxxx 3.10.0-514.21.1.el7.ppc64le #1 SMP Sat Apr 22 02:38:06 EDT 2017 ppc64le ppc64le ppc64le GNU/Linux

local.conf
# Prepare for Migration to PowerVM with BootOnSan
AUTOEXCLUDE_MULTIPATH=n
BOOT_OVER_SAN=y
### write the rescue initrmfs to USB and update the bootloader
OUTPUT=ISO

### create a backup using the internal NETFS method, using 'tar'
BACKUP=NETFS

###write both the rescue image and the backup to the device labeled BACKUP_URL
BACKUP_URL=nfs://10.96.32.130/stuff/unix/iowa

##What to include and exclude from the backup
ONLY_INCLUDE_VG=( rhel_sssxfs03 )
BACKUP_PROG_EXCLUDE=( "${BACKUP_PROG_EXCLUDE[@]}" '/usr/lpp/mmfs/4.2.3.1' '/usr/lpp/mmfs/4.2.3.2' )

### Activate SSH with the following root password for rescue
SSH_ROOT_PASSWORD="aix4ever"

# reduce initrd for PowerVM
REAR_INITRD_COMPRESSION=lzma




Pat Spatola • Sr. Systems Engineer
UNIX Administration

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 101 Bellevue Parkway Wilmington, DE 19809
 Phone: +1-302-439-2006
 Email: PSpatola at wrberkley.com
 Website: berkleytechnologyservices.com<https://www.berkleytechnologyservices.com/>

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