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Full Discussion: Presenting current LUNs to new OS. RHEL 7, LVM
Top Forums UNIX for Advanced & Expert Users Presenting current LUNs to new OS. RHEL 7, LVM Post 303039868 by hburnswell on Wednesday 16th of October 2019 03:30:37 PM
Old 10-16-2019
Thank you @Peasant for the reply. I wanted to provide an update...

The process was actually much easier than expected. We just needed to:

1. Snapshot the original LUN.
2. Create the same mount point on the new server.
3. Copy the /etc/fstab entry from original server and write it to the /etc/fstab on the new server.
4. Present the snapshot LUN to the new server.
5. Reboot the new server.

This allowed us to to see the original data as expected.

Thanks again for the help..

HB
 

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LEARN ABOUT CENTOS

systemd-fstab-generator

SYSTEMD-FSTAB-GENERATOR(8)				      systemd-fstab-generator					SYSTEMD-FSTAB-GENERATOR(8)

NAME

       systemd-fstab-generator - Unit generator for /etc/fstab

SYNOPSIS

       /usr/lib/systemd/system-generators/systemd-fstab-generator

DESCRIPTION

       systemd-fstab-generator is a generator that translates /etc/fstab (see fstab(5) for details) into native systemd units early at boot and
       when configuration of the system manager is reloaded. This will instantiate mount and swap units as necessary.

       The <term>passno</term> field is treated like a simlpe boolean, and the ordering information is discarded. However, the root filesystem is
       checked before all the other filesystems.

       See systemd.mount(5) and systemd.swap(5) for more information about special /etc/fstab mount options this generator understands.

       systemd-fstab-generator implements the generator specification[1].

KERNEL COMMAND LINE

       systemd-fstab-generator understands the following kernel command line parameters:

       fstab=, rd.fstab=
	   Takes a boolean argument. Defaults to "yes". If "no", causes the generator to ignore any mounts or swaps configured in /etc/fstab.
	   rd.fstab= is honored only by initial RAM disk (initrd) while fstab= is honored by both the main system and the initrd.

SEE ALSO

       systemd(1), fstab(5), systemd.mount(5), systemd.swap(5), systemd-cryptsetup-generator(8)

NOTES

	1. generator specification
	   http://www.freedesktop.org/wiki/Software/systemd/Generators

systemd 208														SYSTEMD-FSTAB-GENERATOR(8)
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