[chord] Re: running CFS

[Akito Fujita]

From: Emil Sit <sit at MIT.EDU>
Subject: running CFS
Date: Mon, 31 Oct 2005 16:05:14 -0500

> > It's compiled fine. But cfs does not work.
> 
> I discovered there was a bug in one of our recent changes to the
> internals of DHash that resulted in public key and other strictly
> replicated blocks being thrown away instead of being written to
> disk.  I have checked in a fix for this but now the code triggers
> an assert (0) at chordcd/server.C:494.
> 
> I'm not sure the last time this code ran successfully and at this
> point, getting CFS to work again may take a bit of work, at least
> since I'm not very familiar with the CFS implementation.  Are you
> looking to develop an application using Chord/DHash?  Or just to
> get CFS running?

Last Night, I tried CFS again with old Chord/DHash.

On FreeBSD 4.11,
Using 20030220 SNAPSHOT with some modification, 
it's seem to be work.

You can checkout this SNAPSHOT following command.

cvs -d :pserver:anoncvs at cvs.pdos.lcs.mit.edu:/cvs co -D 20030220 -P sfsnet

And here is my modification.

------------------------------------------------------------
diff -ru Makefile.am- Makefile.am
--- Makefile.am-	Tue Jan 28 09:31:01 2003
+++ Makefile.am	Sun Nov  6 04:22:33 2005
@@ -1,13 +1,14 @@
 ## Process this file with automake to produce Makefile.in
 # $Id: Makefile.am,v 1.21 2003/01/28 00:31:01 fdabek Exp $
 
-#SUBDIRS = svc sfsrodb sfsrocd sfsrosd chord dhash lsd 
-DIRS = svc merkle chord dhash sfsrodb lsd devel
-if COND_ALL
-   DIRS = svc merkle chord dhash sfsrodb lsd devel chordcd test tst melody
-endif
-
-SUBDIRS = $(DIRS)
+### #SUBDIRS = svc sfsrodb sfsrocd sfsrosd chord dhash lsd 
+### DIRS = svc merkle chord dhash sfsrodb lsd devel
+### if COND_ALL
+###    DIRS = svc merkle chord dhash sfsrodb lsd devel chordcd test tst melody
+### endif
+### 
+### SUBDIRS = $(DIRS)
+SUBDIRS = svc merkle chord dhash sfsrodb lsd devel
 
 CLEANFILES = core *.core *~
 
diff -ru acinclude.m4- acinclude.m4
--- acinclude.m4-	Fri Jan 24 08:54:51 2003
+++ acinclude.m4	Sun Nov  6 04:23:48 2005
@@ -854,7 +854,6 @@
 if test "$with_gmp"; then
     unset GMP_DIR
     if test -f ${with_gmp}/include/gmp.h; then
-	CPPFLAGS="$CPPFLAGS -I${with_gmp}/include"
     elif test -f ${with_gmp}/include/gmp3/gmp.h; then
 	CPPFLAGS="$CPPFLAGS -I${with_gmp}/include/gmp3"
     elif test -f ${with_gmp}/include/gmp2/gmp.h; then
diff -ru sfsnet-20030220/lsd/lsd.C a/lsd/lsd.C
--- lsd/lsd.C-	Wed Feb 19 06:31:19 2003
+++ lsd/lsd.C	Sun Nov  6 04:35:29 2005
@@ -227,7 +227,7 @@
 void
 dump_rpcstats (const rpc_program &prog, bool first, bool last)
 {
-  static rpc_program total;
+//static rpc_program total;
 
   // In arpc/rpctypes.h -- if defined
 #ifdef RPC_PROGRAM_STATS
------------------------------------------------------------


- Akito