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Special Forums Hardware Filesystems, Disks and Memory Creating /boot partition & MBR concerns Post 302307347 by otheus on Wednesday 15th of April 2009 06:41:23 AM
Old 04-15-2009
Is sda1 the 40GB HD? The external drive is generally not more secure than the internal one; in some ways its less secure (if someone has physical access to it, they can install their own software on it by booting it off their laptop, for instance).

Is it more secure to have a /boot partition? Well, only marginally, and only if you don't mount it during run-time (which many distributions automatically do).
 

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

NAME
pvresize - resize a disk or partition in use by LVM2 SYNOPSIS
pvresize [-d|--debug] [-h|--help] [-t|--test] [-v|--verbose] [--version] [--setphysicalvolumesize size] PhysicalVolume [PhysicalVolume...] DESCRIPTION
pvresize resizes PhysicalVolume which may already be in a volume group and have active logical volumes allocated on it. OPTIONS
See lvm(8) for common options. --setphysicalvolumesize size Overrides the automatically-detected size of the PV. Use with care, or prior to reducing the physical size of the device. EXAMPLES
Expand the PV on /dev/sda1 after enlarging the partition with fdisk: pvresize /dev/sda1 Shrink the PV on /dev/sda1 prior to shrinking the partition with fdisk (ensure that the PV size is appropriate for your intended new parti- tion size): pvresize --setphysicalvolumesize 40G /dev/sda1 RESTRICTIONS
pvresize will refuse to shrink PhysicalVolume if it has allocated extents after where its new end would be. In the future, it should relo- cate these elsewhere in the volume group if there is sufficient free space, like pvmove does. pvresize won't currently work correctly on LVM1 volumes or PVs with extra metadata areas. SEE ALSO
lvm(8), pvmove(8), lvresize(8), fdisk(8) Sistina Software UK LVM TOOLS 2.02.105(2)-RHEL7 (2014-03-26) PVRESIZE(8)
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