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[Rdiff-backup-bugs] Re: [bug #19802] fails backing up to cifs share

From: Jonathan Hankins
Subject: [Rdiff-backup-bugs] Re: [bug #19802] fails backing up to cifs share
Date: Fri, 18 May 2007 18:03:44 -0500 
I know :-)

See bug #19896 for my patch.  Once you get past the set symlink perm
exception, let me know if you get an error in set escape dos devices
(or whatever it's called -- don't have it in front of me.)  I bet if
your cifs share is on a Windows server, you get an exception statting
aux.  See bug #19896.  I should have a patch for that tonight.
Believe it or not, it actually restores to a cifs share once you get
past that.  NB: all my patches and testing are against 1.1.10.

On 5/18/07, m read <address@hidden> wrote:


Follow-up Comment #4, bug #19802 (project rdiff-backup):

No worries - I just do as I'm told:)

Seems to have worked (to my novice eye) - except now there's an exception
further down the process re symlinks?  Perhaps (if you can confirm) this is
no longer the right place for this discussion?  I tried with the
--exclude-symbolic-links switch, but it made no difference (and I'd like
them
anyway).

Here's the output:

address@hidden ~]# echo 0 > /proc/fs/cifs/LookupCacheEnabled
address@hidden ~]# rdiff-backup -v9 --include-globbing-filelist
include-list / /mnt/cifs/rdiff-backup
Sat May 19 10:16:41 2007  Making directory /mnt/cifs/rdiff-backup
Sat May 19 10:16:41 2007  Making directory
/mnt/cifs/rdiff-backup/rdiff-backup-data
Sat May 19 10:16:42 2007  Unable to import module xattr.
Extended attributes not supported on filesystem at /
Sat May 19 10:16:42 2007  Unable to import module posix1e from pylibacl
package.ACLs not supported on filesystem at /
Sat May 19 10:16:42 2007  escape_dos_devices not required by filesystem at /
Sat May 19 10:16:42 2007
-----------------------------------------------------------------
Detected abilities for source (read only) file system:
  Access control lists                         Off
  Extended attributes                          Off
  Case sensitivity                             On
  Escape DOS devices                           Off
  Mac OS X style resource forks                Off
  Mac OS X Finder information                  Off
-----------------------------------------------------------------
Sat May 19 10:16:42 2007  Making directory
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0
Sat May 19 10:16:42 2007  Touching
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/5-_
a.snapshot.gz
Sat May 19 10:16:42 2007  Deleting
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/5-_
a.snapshot.gz
Sat May 19 10:16:42 2007  Touching
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/A
Sat May 19 10:16:42 2007  Deleting
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/a
Sat May 19 10:16:42 2007  Touching
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/foo
Sat May 19 10:16:42 2007  Deleting
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/foo
Sat May 19 10:16:42 2007  Making directory
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/hl
Sat May 19 10:16:42 2007  Touching
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/hardlinked_file1
Sat May 19 10:16:43 2007  Hard linking
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/hl/hardlinked_file2
to
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/hardlinked_file1
Sat May 19 10:16:43 2007  Warning: hard linking not supported by filesystem
at /mnt/cifs/rdiff-backup/rdiff-backup-data
Sat May 19 10:16:43 2007  Directories on file system at
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0 are not
fsyncable.
Assuming it's unnecessary.
Sat May 19 10:16:43 2007  Unable to import module xattr.
Extended attributes not supported on filesystem at
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0
Sat May 19 10:16:43 2007  Unable to import module posix1e from pylibacl
package.ACLs not supported on filesystem at
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0
Sat May 19 10:16:43 2007  Touching
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/dir_inc_check
Sat May 19 10:16:43 2007  Deleting
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/dir_inc_check
Sat May 19 10:16:43 2007  Touching
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/regfile
Sat May 19 10:16:43 2007  Deleting
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/regfile
Sat May 19 10:16:43 2007  Touching
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/high_perms
Sat May 19 10:16:44 2007  Deleting
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/high_perms
Sat May 19 10:16:44 2007  Touching
/mnt/cifs/rdiff-backup/rdiff-backup-data/rdiff-backup.tmp.0/symlinked_file1
Sat May 19 10:16:44 2007  Exception '[Errno 95] Operation not supported'
raised of class 'exceptions.OSError':
  File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line 298, in
error_check_Main
    try: Main(arglist)
  File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line 318, in
Main
    take_action(rps)
  File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line 274, in
take_action
    elif action == "backup": Backup(rps[0], rps[1])
  File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line 328, in
Backup
    rpout.conn.fs_abilities.backup_set_globals(rpin)
  File "/usr/lib/python2.4/site-packages/rdiff_backup/fs_abilities.py", line
668, in backup_set_globals
    dest_fsa = FSAbilities('destination').init_readwrite(Globals.rbdir)
  File "/usr/lib/python2.4/site-packages/rdiff_backup/fs_abilities.py", line
154, in init_readwrite
    self.set_symlink_perms(subdir)
  File "/usr/lib/python2.4/site-packages/rdiff_backup/fs_abilities.py", line
411, in set_symlink_perms
    sym_dest.symlink(sym_source.path)
  File "/usr/lib/python2.4/site-packages/rdiff_backup/rpath.py", line 888,
in
symlink
    self.conn.os.symlink(linktext, self.path)

Traceback (most recent call last):
  File "/usr/bin/rdiff-backup", line 23, in ?
    rdiff_backup.Main.error_check_Main(sys.argv[1:])
  File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line 298, in
error_check_Main
    try: Main(arglist)
  File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line 318, in
Main
    take_action(rps)
  File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line 274, in
take_action
    elif action == "backup": Backup(rps[0], rps[1])
  File "/usr/lib/python2.4/site-packages/rdiff_backup/Main.py", line 328, in
Backup
    rpout.conn.fs_abilities.backup_set_globals(rpin)
  File "/usr/lib/python2.4/site-packages/rdiff_backup/fs_abilities.py", line
668, in backup_set_globals
    dest_fsa = FSAbilities('destination').init_readwrite(Globals.rbdir)
  File "/usr/lib/python2.4/site-packages/rdiff_backup/fs_abilities.py", line
154, in init_readwrite
    self.set_symlink_perms(subdir)
  File "/usr/lib/python2.4/site-packages/rdiff_backup/fs_abilities.py", line
411, in set_symlink_perms
    sym_dest.symlink(sym_source.path)
  File "/usr/lib/python2.4/site-packages/rdiff_backup/rpath.py", line 888,
in
symlink
    self.conn.os.symlink(linktext, self.path)
OSError: [Errno 95] Operation not supported
address@hidden ~]#

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