I have been doing rdiff-backup of a filesystem that's around 400 GB to
external disks for about 2 years. As I got more bits, the free space on
the 1T backup disk (which has other stuff) got small, perhaps around
100G. After a failed backup (due to me killing it, or something going
wrong, but nothing really all that odd), trying to do another one
(regressing) led to a complaint about no available disk space.
So I got a 2T disk, and rsync'd the rdiff-backup backups over. Then,
backups of other filesystems happened fine, and I got the same
out-of-space error. I wrote a script to run df once per second and log
it, and there was no sign of any increase in disk space usage at all -
450G is used, and there is over 1T free.
My system is NetBSD 5, i386, rdiff-backup 1.2.8, python 2.7, with UFS2
filesystems. (UFS2 is basically the Berkeley Fast Fileystem, and very
stable.)
Here's the output from
"rdiff-backup --check-destination-dir /path/to/rdiff-target", which took
about 30 minutes to run, mostly cpu-bound:
Traceback (most recent call last):
File "/usr/pkg/bin/rdiff-backup", line 30, in <module>
rdiff_backup.Main.error_check_Main(sys.argv[1:])
File "/usr/pkg/lib/python2.7/site-packages/rdiff_backup/Main.py", line 304,
in error_check_Main
try: Main(arglist)
File "/usr/pkg/lib/python2.7/site-packages/rdiff_backup/Main.py", line 324,
in Main
take_action(rps)
File "/usr/pkg/lib/python2.7/site-packages/rdiff_backup/Main.py", line 282,
in take_action
elif action == "check-destination-dir": CheckDest(rps[0])
File "/usr/pkg/lib/python2.7/site-packages/rdiff_backup/Main.py", line 872,
in CheckDest
dest_rp.conn.regress.Regress(dest_rp)
File "/usr/pkg/lib/python2.7/site-packages/rdiff_backup/regress.py", line
71, in Regress
for rf in iterate_meta_rfs(mirror_rp, inc_rpath): ITR(rf.index, rf)
File "/usr/pkg/lib/python2.7/site-packages/rdiff_backup/rorpiter.py", line
281, in __call__
last_branch.fast_process(*args)
File "/usr/pkg/lib/python2.7/site-packages/rdiff_backup/regress.py", line
268, in fast_process
if rf.metadata_rorp.isreg(): self.restore_orig_regfile(rf)
File "/usr/pkg/lib/python2.7/site-packages/rdiff_backup/regress.py", line
290, in restore_orig_regfile
tf.write_from_fileobj(rf.get_restore_fp())
File "/usr/pkg/lib/python2.7/site-packages/rdiff_backup/restore.py", line
488, in get_restore_fp
return robust.check_common_error(error_handler, get_fp)
File "/usr/pkg/lib/python2.7/site-packages/rdiff_backup/robust.py", line 32,
in check_common_error
try: return function(*args)
File "/usr/pkg/lib/python2.7/site-packages/rdiff_backup/restore.py", line
468, in get_fp
Rdiff.write_patched_fp(current_fp, delta_fp, new_fp)
File "/usr/pkg/lib/python2.7/site-packages/rdiff_backup/Rdiff.py", line 73,
in write_patched_fp
rpath.copyfileobj(librsync.PatchedFile(basis_fp, delta_fp), out_fp)
File "/usr/pkg/lib/python2.7/site-packages/rdiff_backup/rpath.py", line 64,
in copyfileobj
outputfp.write(inbuf)
IOError: [Errno 28] No space left on device
Any clues? Could it be using too much space in /tmp or /var/tmp?
But I saw no kernel messages about them being out of space.
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