[linux-lvm] e2fsck on logical volume?

["hail narcissus" <gene_yee hotmail com>]

I asked a similar question a little while back and was told all I can run is 
vgck.  So I just ignored the warning message on bootup:

EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended

Well I've extended my Logical Volume and I was just about done.  Until  I 
tried to run 'ext2resize'.  It gives me a warning message about problems 
with my EXT2 partition and to run e2fsck.

I figure I can do a force with ex2resize or I can run umount my volume and 
run e2fsck.  Me not being all that bold with 500 gigs of data that hasn't 
been backed up, I have done neither.

I would think the best thing would be to umount my volume and run e2fsck, 
but I don't know if that is going to destroy my logical volume or if it is 
all compatible.

Thanks!!
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