need some help with backup Post: 302712991

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Operating Systems AIX need some help with backup Post 302712991 by bakunin on Wednesday 10th of October 2012 06:09:23 AM

10-10-2012

Registered User

Quote:

Originally Posted by fierfek

I would like to get both but datavg is the one i really need. I have tried using mksysb [...]

An "mksysb" is always an image of the rootvg only. It is used to create a backup set with all the configuration/customization information of a system in place so that it can be set up again fast in case of a machine failure or to clone a system onto another one. In fact mksysb-format backups include boot blocks so it is possible to directly boot a system from such an image and restore it from it in one pass.

There is the more general command "savevg", which creates a backup for any volume group. "mksysb" is in fact using "savevg", but putting a boot block and other information in front of this image. gts1999 already told you about "savevg".

The destination for either a mksysb- or a savevg-image is classically a tape drive, but can be any device or file. Just make sure you have enough room for it on this device/file.

I hope this helps.

bakunin

bakunin

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LEARN ABOUT CENTOS

grub2-bios-setup

GRUB-BIOS-SETUP(3)					     Library Functions Manual						GRUB-BIOS-SETUP(3)

NAME

       grub-bios-setup -- Set up images to boot from a device.

SYNOPSIS

       grub-bios-setup [-a | --allow-floppy] [-b | --boot-image=FILE]
			[-c | --core-image=FILE] [-d | --directory=DIR]
			[-f | --force] [-m | --device-map=FILE]
			[-s | --skip-fs-probe] [-v | --verbose] DEVICE

DESCRIPTION

       You should not normally run this program directly.  Use grub-install instead.

OPTIONS

       --allow-floppy
	      Make  the device also bootable as a floppy.  This option is the default for /dev/fdX devices.  Some BIOSes will not boot images cre-
	      ated with this option.

       --boot-image=FILE
	      Use FILE as the boot image.  The default value is boot.img.

       --core-image=FILE
	      Use FILE as ther core image.  The default value is core.img.

       --directory=DIR
	      Use GRUB files in the directory DIR.  The default value is /boot/grub.

       --force
	      Install even if problems are detected.

       --device-map=FILE
	      Use FILE as the device map.  The default value is /boot/grub/device.map .

       --skip-fs-probe
	      Do not probe DEVICE for filesystems.

       --verbose
	      Print verbose messages.

SEE ALSO

       info grub

								  Wed Feb 26 2014						GRUB-BIOS-SETUP(3)