vm i/o error

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hello,
i am using lvm 2 with and having problems with home partition. when i try activating my vg group "playbox" i get an error:
Code:

vgchange -ay
/dev/evms/lvm2/playbox/home: read failed after 0 of 4096 at 0: Input/output error /dev/playbox/home: read failed after 0 of 4096 at 0: Input/output error 7 logical volume(s) in volume group "playbox" now active

i tried
Code:

e2fsck /dev/playbox/home
e2fsck 1.38
(30-Jun-2005)
e2fsck: Attempt to read block from filesystem resulted in short read while trying to open /dev/playbox/home Could this be a zero-length partition?

can anyone please help me recover my partition
thanks alot
slava