HP-UX HB v13.00 Ch-04 - System Recovery

HP-UX Handbook – Rev 13.00 Page 3 (of 54)
Chapter 04 System Recovery
October 29, 2013
TABLE OF CONTENTS
How an HP-UX System boots _________________________________________________________ 4
Automated Recovery Procedures _____________________________________________________ 5
Automated Procedure 1: Rebuilding bootlif and Installing Critical Files _______________________________ 6
Automated Procedure 2: Installing Critical Files only ____________________________________________ 11
Automated Procedure 3: Rebuilding the bootlif only ____________________________________________ 15
Automated Procedure 4: Replacing the Kernel only _____________________________________________ 17
Co-Procedure: Booting to Single User and LVM Maintenance Mode ________________________________ 19
Co-Procedure: Booting from CD-ROM, Tape or Network _________________________________________ 21
Co-Procedure: Booting a System to Recovery Main Menu ________________________________________ 23
Co-Procedure: Cold Installing a Minimum OS from CD ___________________________________________ 26
Co-Procedure: Get more RAM File System Space _______________________________________________ 28
Co-Procedure: Importing Root VG from a Recovery Shell ________________________________________ 29
Co-Procedure: Mounting Volumes of an Imported Root VG ______________________________________ 30
Contents of RECOVERY.DOC and LVM.RECOVER files ____________________________________ 31
Manual Procedure 1: Recovery after Minimum OS Cold Installation ________________________ 33
Manual Procedure 2: Recovery from Scratch with Root VG Creation ________________________ 35
Different Boot Modes for Different Machine Types ______________________________________ 39
Series 700: Alternate Disk Boot_____________________________________________________________ 39
Series 700: Alternate Kernel Boot ___________________________________________________________ 39
Series 700: LVM Maintenance Mode Boot ____________________________________________________ 40
Series 700: Single User Mode Boot __________________________________________________________ 40
Series 700: LVM No Quorum Mode Boot _____________________________________________________ 40
Series 800 (except T-Class, V-Class): Alternate Disk Boot _________________________________________ 40
Series 800 (except T-Class/V-Class): Alternate Kernel Boot _______________________________________ 41
Series 800 (except T-Class/V-Class): LVM Maintenance Mode Boot ________________________________ 41
Series 800 (except T-Class/V-Class): Single User Mode Boot ______________________________________ 42
Series 800 (except T-Class/V-Class): LVM No Quorum Mode Boot _________________________________ 42
V-Class: Alternate Disk Boot _______________________________________________________________ 42
V-Class: Alternate Kernel Boot _____________________________________________________________ 43
V-Class: LVM Maintenance Mode Boot ______________________________________________________ 43
V-Class: Single User Mode Boot ____________________________________________________________ 43
V-Class: LVM No Quorum Mode Boot ________________________________________________________ 43
T-Class: Alternate Disk Boot _______________________________________________________________ 44
T-Class: Alternate Kernel Boot _____________________________________________________________ 44
T-Class: LVM Maintenance Mode Boot _______________________________________________________ 44
T-Class: Single User Mode Boot ____________________________________________________________ 45
T-Class: LVM No Quorum Mode Boot ________________________________________________________ 45
Recovery with VxVM Boot Disks (Itanium) _____________________________________________ 45
Missing LABEL File _______________________________________________________________________ 46
Corrupted or Incorrect LABEL File ___________________________________________________________ 47
Missing or Corrupt /etc/vx/volboot File ______________________________________________________ 49
Missing or Corrupt Device Files or Missing or Corrupt ioconfig File _________________________________ 51
Additional Information ____________________________________________________________ 54