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Operating Systems HP-UX HP-UX Filesystem backup/restore? Post 20431 by Perderabo on Friday 26th of April 2002 08:14:12 AM
Old 04-26-2002
First, yes /tmp is just a regular filesystem on HP-UX. I don't think it need to be backs up. In fact, it really needs a cron job to clear it out.

Some physical volumes are boot physical volumes and they a BDRA (boot data reserved area) which is outside of any logical volume. The BDRA is similiar to a boot block, but more grandiose.

You need some way to recover from the loss of your boot disk. One way is to just re-install the OS, that will recreate the BDRA. Some people have a second boot disk.

I disagree with Hugo about Ignite. I wouldn't use it for true backups. But the make_recovery command will build a bootable tape. And when you boot the bootable tape, it can restore your boot disk. It is a great way to recover from the loss of your boot disk. I have also used it to clone a system.

What program you use for backups is really a matter of opinion. I dislike cpio. HP's fbackup is actually really great. HP says it is intended for system with 1 GB or less. But what they really mean is that if you have a GB or more, they want to sell you a copy of their OmniBack product.
 

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volunroot(8)						      System Manager's Manual						      volunroot(8)

NAME
volunroot - Remove Logical Storage Manager hooks for rootable volumes SYNOPSIS
/usr/sbin/volunroot [-a | -A] OPTIONS
Specifies that all volumes on the system disk be converted back to UNIX disk partitions, not just the root and swap volumes, rootvol and swapvol. Forces removal of the private region unless it is the last one in the system. DESCRIPTION
The volunroot script can be used to restore the accessibility of the root, swap, and other file systems on the boot disk directly through disk partitions instead of through volume devices. The script also removes other changes that were made to enable booting of the system from the root volume, so that the system will boot with no dependency on the Logical Storage Manager. When used with no options, volunroot affects only the root and swap volumes, rootvol and swapvol. For volunroot to work properly, only one plex must exist for each of the affected volumes. This plex must be the one created by volrootmir or the original plex created when the root disk was encapsulated. This ensures that the underlying subdisks will have equivalent partitions defined for them on the disk. If these conditions are not met, the volunroot operation fails and none of the volumes are converted to disk partitions. The unwanted plexes can be removed using either voledit or volplex. SEE ALSO
volencap(8), voldiskadm(8), voledit(8), volintro(8), volplex(8), volrootmir(8) volunroot(8)
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