I am putting together a new server with 64GB of RAM and I would like to copy the whole Linux OS into a tmpfs from the disk and use the tmpfs as the OS (and I will use rsync to back up the tmpfs to disk every five minutes or so).
closed as not a real question by Bart De Vos, RobM, adaptr, Sirex, Ladadadada Feb 21 '12 at 11:08
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You're better off using a traditional ramdisk, as shmfs/tmpfs are not very efficient filesystem-wise.
Also voted to close, as you're not asking a question.