10-04-2002
i thought it was only volume groups that can not be reduced. or was that only logical groups?
i really wanna say its the VG that is a static. IE: you can add and swap disks but you cant make it smaller w/ out removeing it and recreateing it.
mmmmmm makes me go back to my aix documention. i know its not hp-ux but its the only other os i have that uses a "smarter disk management system"
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LEARN ABOUT REDHAT
lvscan
LVSCAN(8) System Manager's Manual LVSCAN(8)
NAME
lvscan - scan (all disks) for logical volumes
SYNOPSIS
lvscan [-b|--blockdevice] [-d|--debug] [-D|--disk] [-h|--help] [-v|--verbose]
DESCRIPTION
lvscan scans all known volume groups or all supported LVM block devices in the system for defined logical volumes.
OPTIONS
-b, --blockdevice
Adds the device major and minor numbers to the display of each logical volume.
-d, --debug
Enables additional debugging output (if compiled with DEBUG).
-D, --disk
Scan for logical volumes on disk(s) instead of getting the information from the kernel.
-h, --help
Print a usage message on standard output and exit successfully.
-v, --verbose
Gives verbose runtime information about lvscan's activities.
--version
Prints version number of tool and exits sucessfully.
DIAGNOSTICS
lvscan returns an exit code of 0 for success and > 0 for error:
1 no volume groups found
2 invalid volume group name
3 error getting VGDA from kernel
95 driver/module not in kernel
96 invalid I/O protocol version
97 error locking logical volume manager
98 invalid lvmtab (run vgscan(8))
99 invalid command line
SEE ALSO
lvm(8), lvcreate(8), lvdisplay(8)
AUTHOR
Heinz Mauelshagen <Linux-LVM@Sistina.com>
Heinz Mauelshagen LVM TOOLS LVSCAN(8)