The df command will already do that. For instance, on my machine, if I do:
[klmontg@klmontg klmontg]$ df /opt
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/vg01/opt 4194172 1610880 2583292 39% /opt
It gives me the filesystem, etc.
So, you could do something like this:
#!/bin/bash
if [[ ! -d ${1} ]]
then
echo "error: ${1} is not a valid mount point"
exit 1
fi
df ${1} | grep -v ^Filesystem | awk '{ print $1 }'
Kendal.
-----Original Message-----
From: Galen Seitz [mailto:galens@seitzassoc.com]
Sent: Tuesday, September 23, 2003 3:28 PM
To: linux-lvm@sistina.com
Subject: determining lv from mount point
I'm trying to update my backup script (a tweaked version of hostdump.sh from
backupcentral.com) to use snapshots. My machine has a mix of
normal ext3 and ext3 on lvm filesystems. What I'm looking for is an easy
way from a shell script to determine the lv from the mount point. The ideal
thing would be a shell function that takes the mount point as an argument
and returns the associated logical volume, or an error if the filesystem
doesn't use lvm.
Suggestions?
thanks,
galen
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read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
