09-04-2002
There are many things that could be causing it.
1) buffer overflow in memory can cause a hang. I've seen it.
2) Bad hardward like faulty CPU.
3) Faulty disk
4) Faulty memory
Are you sure that you have full latest patches on your system?
Also, are you sure that you have good compatibility with your applications and OS?
Please do some diagnostic work and also check with your vendor site for compatibility. And if you have tech support get someone on your box to look around after you check the hardware.
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LVMDUMP(8) System Manager's Manual LVMDUMP(8)
NAME
lvmdump - create lvm2 information dumps for diagnostic purposes
SYNOPSIS
lvmdump [options] [-d directory]
DESCRIPTION
lvmdump is a tool to dump various information concerning LVM2. By default, it creates a tarball suitable for submission along with a prob-
lem report.
The content of the tarball is as follows:
- dmsetup info
- table of currently running processes
- recent entries from /var/log/messages (containing system messages)
- complete lvm configuration and cache
- list of device nodes present under /dev
- if enabled with -m, metadata dump will be also included
- if enabled with -a, debug output of vgscan, pvscan and list of all available volume groups, physical volumes and logical volumes will be
included
- if enabled with -c, cluster status info
OPTIONS
-h -- print help message
-a -- advanced collection
WARNING: if lvm is already hung, then this script may hang as well if -a is used
-m -- gather LVM metadata from the PVs
This option generates a 1:1 dump of the metadata area from all PVs visible to the system, which can cause the dump to increase in
size considerably. However, the metadata dump may represent a valuable diagnostic resource.
-d directory -- dump into a directory instead of tarball
By default, lvmdump will produce a single compressed tarball containing all the information. Using this option, it can be instructed
to only produce the raw dump tree, rooted in directory.
-c -- if clvmd is running, gather cluster data as well
ENVIRONMENT VARIABLES
LVM_BINARY
The LVM2 binary to use. Defaults to "lvm". Sometimes you might need to set this to "/sbin/lvm.static", for example.
DMSETUP_BINARY
The dmsetup binary to use. Defaults to "dmsetup".
Red Hat, Inc. LVM TOOLS 2.02.67(2) (2010-06-04) LVMDUMP(8)