Convert a Subversion repository from BDB to FSFS

Create a FSFS repository.

svnadmin --fs-type create repo2

Dump the first repository.

svnadmin dump repo1 > repo2.dumpfile

Load the dumpfile into the new FSFS repository.

svnadmin load repo2 < repo2.dumpfile

A lot more information is available in the Subversion FAQ http://subversion.tigris.org/faq.html#bdb-fsfs-convert