Hello,
I'm in a slightly unusual situation and I'd really appreciate some advice.
I installed CentOS 5.2 on a server about a month ago.
Today I happened to check the 'free' command and noticed that the Swap
line reads as follows:
Swap: 0 0 0
I'm pretty certain that when I installed the OS and created a custom
partition table, that I defined a swap partition, but there is no swap
line in
/etc/fstab either.
However the output of 'lvm> lvdisplay' contains the following information
(amongst others):
--- Logical volume ---
LV Name /dev/VolGroup00/swap
VG Name VolGroup00
LV UUID 7uOBcj-tN16-uAbO-3nyy-3scZ-SAEA-7HKWPW
LV Write Access read/write
LV Status available
# open 0
LV Size 1.94 GB
Current LE 62
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:5
Also 'ls' confirms that logical volume exists:
[root@mail ~]# ls -l /dev/VolGroup00/swap
lrwxrwxrwx 1 root root 27 Sep 30 11:30 /dev/VolGroup00/swap ->
/dev/mapper/VolGroup00-swap
I'd like to know:
1. How can I check how this logical volume is formatted (and if it is
formatted)?
2. Is it possible to use this logical volume? If I add a line to
/etc/fstab, what are the chances of rendering my system unbootable?
The server is in use and presently doesn't have any memory problems, and
while it's not mission critical server I'd rather not mess it up with
any ill-thought out tinkering.
If anyone can give me some advice on this I'd be very grateful.
Thanks
Ian Masters
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