Problems with 0.10.0 on Windows

"Törrönen, Paul-Erik" paul-erik.torronen@cardinal.fi
Tue, 17 Sep 2002 12:20:40 +0300
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Read through the mail-archive but it seems that not many are
using rdiff-backup on the Windows-platform.

Background:
The backup-server is a Windows 2000 Server with latest updates
as well as the newest Cygwin tools (as of 20020913). We have
compiled the librsync 0.9.5 as well as rdiff-backup under
Cygwin.

The problem:
When running the command:

rdiff-backup -v5 --windows-mode --force --ssh-no-compression \\
             --exclude-filelist /home/Administrator/backup/exclude.txt \\
             --no-hard-links --exclude-device-files --print-statistics \\
             root@host.domain.net::/ /cygdrive/e/host.domain.net

We get the following error (sorry about the long paste, I'm not
familiar with python and do not know what is relevant):

Executing ssh root@host.domain.net rdiff-backup --server
root@host.domain.net's password:
Reading filelist /home/Administrator/backup/exclude.txt
Sorting filelist /home/Administrator/backup/exclude.txt
Warning: exclude-device-files is not the first selector.
This may not be what you intended
Last backup dated Mon Sep 16 14:27:22 2002 was aborted, but we aren't
resuming it.
Warning: Found unexpected destination file
/cygdrive/e/host.domain.net/lib/modules/2.4.18-3/kernel/net/ipv4/netfilter/i
pt_mark.o, not processing it.
Warning: Found unexpected destination file
/cygdrive/e/host.domain.net/lib/modules/2.4.18-3/kernel/net/ipv4/netfilter/i
pt_tcpmss.o, not processing it.
Warning: Found unexpected destination file
/cygdrive/e/host.domain.net/lib/modules/2.4.18-3/kernel/net/ipv4/netfilter/i
pt_tos.o, not processing it.
Warning: Found unexpected destination file
/cygdrive/e/host.domain.net/lib/modules/2.4.18-3/kernel/net/ipv6/netfilter/i
p6t_mark.o, not processing it.
Warning: Found unexpected destination file
/cygdrive/e/host.domain.net/lib/modules/2.4.18-3smp/kernel/net/ipv4/netfilte
r/ipt_mark.o, not processing it.
Warning: Found unexpected destination file
/cygdrive/e/host.domain.net/lib/modules/2.4.18-3smp/kernel/net/ipv4/netfilte
r/ipt_tcpmss.o, not processing it.
Warning: Found unexpected destination file
/cygdrive/e/host.domain.net/lib/modules/2.4.18-3smp/kernel/net/ipv4/netfilte
r/ipt_tos.o, not processing it.
Warning: Found unexpected destination file
/cygdrive/e/host.domain.net/lib/modules/2.4.18-3smp/kernel/net/ipv6/netfilte
r/ip6t_mark.o, not processing it.
Warning: Found unexpected destination file
/cygdrive/e/host.domain.net/opt/linuxtv/kfir/driver/kfir.h, not processing
it.
Exception '[Errno 88] Function not implemented' raised of class
'exceptions.OSError':
  File "/usr/lib/python2.2/site-packages/rdiff_backup/robust.py", line 76,
in execute
    init_val = self.init_thunk()
  File "/usr/lib/python2.2/site-packages/rdiff_backup/robust.py", line 199,
in init
    else: RPath.copy(rorpin, tf)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/rpath.py", line 77, in
copy
    elif rpin.isfifo(): rpout.mkfifo()
  File "/usr/lib/python2.2/site-packages/rdiff_backup/rpath.py", line 601,
in mkfifo
    self.conn.os.mkfifo(self.path)

Exception '[Errno 88] Function not implemented' raised of class
'exceptions.OSError':
  File "/usr/lib/python2.2/site-packages/rdiff_backup/robust.py", line 254,
in check_common_error
    try: return function(*args)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/increment.py", line
295, in start_process
    RORPIter.patchonce_action(None, mirror_dsrp, diff_rorp).execute()
  File "/usr/lib/python2.2/site-packages/rdiff_backup/robust.py", line 84,
in execute
    raise exc

Exception '[Errno 88] Function not implemented' raised of class
'exceptions.OSError':
  File "/usr/lib/python2.2/site-packages/rdiff_backup/highlevel.py", line
275, in patch_w_datadir_writes
    ITR(dsrp.index, diff_rorp, dsrp)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/lazy.py", line 288, in
__call__
    self.process_w_branch(branch, args)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/lazy.py", line 247, in
process_w_branch
    branch.start_process, args)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/robust.py", line 254,
in check_common_error
    try: return function(*args)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/increment.py", line
295, in start_process
    RORPIter.patchonce_action(None, mirror_dsrp, diff_rorp).execute()
  File "/usr/lib/python2.2/site-packages/rdiff_backup/robust.py", line 84,
in execute
    raise exc

------------ Old traceback info -----------
Exception '[Errno 88] Function not implemented' raised of class
'exceptions.OSError':
  File "/usr/lib/python2.2/site-packages/rdiff_backup/robust.py", line 76,
in execute
    init_val = self.init_thunk()
  File "/usr/lib/python2.2/site-packages/rdiff_backup/robust.py", line 199,
in init
    else: RPath.copy(rorpin, tf)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/rpath.py", line 77, in
copy
    elif rpin.isfifo(): rpout.mkfifo()
  File "/usr/lib/python2.2/site-packages/rdiff_backup/rpath.py", line 601,
in mkfifo
    self.conn.os.mkfifo(self.path)

Exception '[Errno 88] Function not implemented' raised of class
'exceptions.OSError':
  File "/usr/lib/python2.2/site-packages/rdiff_backup/robust.py", line 254,
in check_common_error
    try: return function(*args)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/increment.py", line
295, in start_process
    RORPIter.patchonce_action(None, mirror_dsrp, diff_rorp).execute()
  File "/usr/lib/python2.2/site-packages/rdiff_backup/robust.py", line 84,
in execute
    raise exc
-------------------------------------------
Traceback (most recent call last):
  File "/usr/bin/rdiff-backup", line 24, in ?
    rdiff_backup.Main.Main(sys.argv[1:])
  File "/usr/lib/python2.2/site-packages/rdiff_backup/Main.py", line 229, in
Main
    take_action(rps)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/Main.py", line 205, in
take_action
    elif action == "backup": Backup(rps[0], rps[1])
  File "/usr/lib/python2.2/site-packages/rdiff_backup/Main.py", line 263, in
Backup
    else: HighLevel.Mirror(rpin, rpout, incdir, RSI)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/highlevel.py", line
59, in Mirror
    DestS.patch_w_datadir_writes(dest_rpath, diffiter, inc_rpath)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/highlevel.py", line
281, in patch_w_datadir_writes
    except: cls.handle_last_error(finished_dsrp, finalizer, ITR)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/highlevel.py", line
275, in patch_w_datadir_writes
    ITR(dsrp.index, diff_rorp, dsrp)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/lazy.py", line 288, in
__call__
    self.process_w_branch(branch, args)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/lazy.py", line 247, in
process_w_branch
    branch.start_process, args)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/robust.py", line 254,
in check_common_error
    try: return function(*args)
  File "/usr/lib/python2.2/site-packages/rdiff_backup/increment.py", line
295, in start_process
    RORPIter.patchonce_action(None, mirror_dsrp, diff_rorp).execute()
  File "/usr/lib/python2.2/site-packages/rdiff_backup/robust.py", line 84,
in execute
    raise exc
OSError: [Errno 88] Function not implemented
Traceback (most recent call last):
  File "/usr/bin/rdiff-backup", line 24, in ?
    rdiff_backup.Main.Main(sys.argv[1:])
  File
"/var/tmp/rdiff-backup-root/usr/lib/python2.2/site-packages/rdiff_backup/Mai
n.py", line 229, in Main
    take_action(rps)
  File
"/var/tmp/rdiff-backup-root/usr/lib/python2.2/site-packages/rdiff_backup/Mai
n.py", line 204, in take_action
    if action == "server": PipeConnection(sys.stdin, sys.stdout).Server()
  File
"/var/tmp/rdiff-backup-root/usr/lib/python2.2/site-packages/rdiff_backup/con
nection.py", line 350, in Server
    self.get_response(-1)
  File
"/var/tmp/rdiff-backup-root/usr/lib/python2.2/site-packages/rdiff_backup/con
nection.py", line 313, in get_response
    try: req_num, object = self._get()
  File
"/var/tmp/rdiff-backup-root/usr/lib/python2.2/site-packages/rdiff_backup/con
nection.py", line 219, in _get
    raise ConnectionReadError("Truncated header string (problem "
rdiff_backup.connection.ConnectionReadError: Truncated header string
(problem probably originated remotely)

Apparently the fifo is only a dummy thing in cygwin and does not
work in reality. We also got the same result with the hardlinks
(which is handled by the --no-hard-links option).

Question:
Is it possible to either at compilation-time configure rdiff-backup
to use sockets (I assume that fifo is used to communicate between threads)
instead of fifo (perhaps combined as a windows-target option which also
excludes the mknod and hardlinks), or at runtime with perhaps
--use-sockets, to circumvent the shortcomings of the OS?

Poltsi

_________________________________________
Paul-Erik Törrönen
Cardinal Information Systems Ltd
Pursimiehenkatu 29-31 C, 00150 Helsinki, FINLAND
E-mail: paul-erik.torronen@cardinal.fi
Mobile: +358 (0) 40 703 1231
Phone: +358 (0) 424 162 4204
Fax: +358 (0) 424 162 4207
Web: <www.cardinal.fi>

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