Using mkdvd to create bootable mksysb on dvd reports success but nothing on dvd? Post: 302967705

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Operating Systems AIX Using mkdvd to create bootable mksysb on dvd reports success but nothing on dvd? Post 302967705 by rbatte1 on Friday 26th of February 2016 04:19:26 PM

02-26-2016

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When I've done this process, I've always had a few steps to it:-

Clean up anything left from last time, e.g. old files, filesystems or logical volumes
Run mkszfile to ensure that the filesystem sizes are recorded correctly
Run savevg excluding all the files to collect the information about all the non-rootvg volume groups, saving the detail somewhere within rootvg
Run mksysb writing to a file on disk in a specified area outside the rootvg with the -e flag to exclude files in /etc/exclude.rootvg
Run mkdvd specifying the mksysb file created in the previous step

It may not be perfect, but it works very well and I even managed to edit the data files used by savevg to specify non-mirrored logical volumes in case we recover to a server without sufficient disk space to have the mirrors.

Sadly I have now lost access to the AIX servers I have worked on so I cannot share it.

I hope that at least this process might help.

Robin

rbatte1

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lvsync

lvsync(1M)																lvsync(1M)

NAME

       lvsync - synchronize stale mirrors in LVM logical volumes

SYNOPSIS

       lv_path ...

   Remarks
       This  command  requires	the  installation  of the optional HP MirrorDisk/UX software (not included in the standard HP-UX operating system)
       before it can be used.

       If the logical volume input arguments belong to a combination of volume groups version 1.0 and 2.0 or higher, the arguments may not be pro-
       cessed in the order they are listed on the command line.

DESCRIPTION

       The command synchronizes the physical extents of each logical volume specified by lv_path.  Synchronization occurs only on physical extents
       that are stale mirrors of the original logical extent.  The synchronization process can be time consuming, depending on the hardware  char-
       acteristics and the amount of data.

   Arguments
       recognizes the following argument:

	      lv_path	The block device path name of a mirrored logical volume.

   Options
       recognizes the following option:

	      Perform mirror synchronization of logical volumes within a volume group
			using  multiple parallel threads.  Logical volumes belonging to different volume groups will be synchronized serially.	It
			is possible that logical volumes start and/or complete their synchronization in a different order than	specified  on  the
			command line.

			The maximum number of threads used can be controlled using the system tunable.

			NOTE: This option has no effect if the volume group is activated in shared mode.

EXTERNAL INFLUENCES

   Environment Variables
       determines the language in which messages are displayed.

       If is not specified or is null, it defaults to "C" (see lang(5)).

       If any internationalization variable contains an invalid setting, all internationalization variables default to "C" (see environ(5)).

EXAMPLES

       Synchronize the mirrors on a logical volume:

       Synchronize the mirrors on three logical volumes using multiple parallel threads:

       Add mirror copies using with the option for three logical volumes, and then synchronize mirrors on these three logical volumes using multi-
       ple parallel threads.

       First, add mirror copies to each logical volume using with the option:

       Now synchronize the mirrors on these three logical volumes using multiple parallel threads:

SEE ALSO

       lvdisplay(1M), lvextend(1M), vgsync(1M).

						    Requires Optional HP MirrorDisk/UX Software 					lvsync(1M)