m4_comment([$Id: disk.so,v 11.15 2000/12/21 18:37:09 bostic Exp $])

m4_ref_title(Upgrading m4_db Applications,
    Release 3.0: upgrade requirements,, upgrade.3.0/java, upgrade.3.1/intro)

m4_p([dnl
Log file formats and the Btree, Recno and Hash Access Method database
formats changed in the m4_db 3.0 release.  (The on-disk Btree/Recno
format changed from version 6 to version 7.  The on-disk Hash format
changed from version 5 to version 6.) Until the underlying databases
are upgraded, the m4_refT(dbh_open) will return a m4_ref(DB_OLD_VERSION)
error.])

m4_p([dnl
For further information on upgrading m4_db installations, see
m4_link(M4RELDIR/ref/upgrade/process, Upgrading m4_db
installations).])

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