ファイルシステムのラベルを確認/変更する

http://www.linux.or.jp/JM/html/e2fsprogs/man8/e2label.8.html

スワップのラベルを変更する(mkswap)
http://www.kawaz.jp/pukiwiki/?Fedora%20upgrade%2Ffc7%A4%C7hd%A2%AAsd%A4%CB%A4%CA%A4%EB%A4%B3%A4%C8%A4%D8%A4%CE%C2%D0%B1%FE%BC%EA%BD%E7
# swapon -a
swapon: cannot find the device for LABEL=SW-cciss/c0d0p2

# cat /etc/fstab
[root@racsv1 071023]# cat /etc/fstab lock.
# This file is edited by fstab-sync - see 'man fstab-sync' for details
(中略)
LABEL=SW-cciss/c0d0p2 swap swap defaults 0 0
#/dev/cciss/c0d0p2 swap swap defaults 0 0

# e2label /dev/cciss/c0d0p2 SW-cciss/c0d0p2
e2label: Bad magic number in super-block while trying to open /dev/cciss/c0d0p2
Couldn't find valid filesystem superblock.

# swapoff -a

# mkswap -L SW-cciss/c0d0p2 /dev/cciss/c0d0p2

# swapon -a