recording from more than 1 box?

[toshiba68]

hi,

is it possible to record to a nas from more than 1 box?

I have a DM800, DM500 and an S9 and wondered if it is possible to mount / share a hard drive

have been reading this

http://www.digital-kaos.co.uk/forums/f34/guide-setting-up-recording-pc-nas-34/

would welcome any comments / suggestions.

thanks