Jeffrey J. Kosowsky wrote at about 17:11:07 -0400 on Monday, October 27, 2008:
> I got the following while using 'rsyncd' to backup a Windows XP
> machine:
>
> I originally had full backups labeled '0' and '1'.
> I then started a new *full* backup.
> For several hundred out of a total of 141,000 files, I got pairs of error
> messages of form:
> Can't open /var/lib/BackupPC/pc/winsurgeon/1/fc/fDocuments and
> Settings/fUser1/fCookies/[email protected][1].txt for MD4 check (err=-2,
> Documents and
> Settings/User1/Cookies/[email protected][1].txt)
>
> Documents and Settings/User1/Cookies/[email protected][1].txt: md4 doesn't
> match: will retry in phase 1; file removed
>
> Then when I looked in my backup dir, I noticed that backup '1' had
> somehow disappeared (and I hadn't erased it).
>
> Not sure if that is the cause (but if so how did it happen) or effect
> (if so why) of the above errors where it seemingly couldn't find the
> backup '1' version for an md4 check.
>
> Note that these errors are all confined to two groups of directories:
> /c/Documents and Settings/User1/Cookies/user1@<xxxxxxxxx>.txt
>
> /c/Documents and Settings/User2/Local Settings/Temporary Internet
> Files/Content.IE5/*/*
>
> Also, it's not clear to me why it is even doing an md4 check against
> the previous full backup since this is itself a full backup. I could
> see if it checked against the pool (as part of the checksum-seed
> checking process by why would it check against a previous backup?
> And, these failures appear to affect a limited group of sequentially
> listed files rather than randomly spread apart as one would expect with the
> seed algorithm.
>
> Note that the original files themselves *seem* to be fine...
>
> Any idea on what might be going wrong here?
>
and here is another strange tidbit -- a lot of the files mentioned
above should have been excluded, since I have:
Sent exclude: "/Documents and Settings/*/Local Settings/Temp/*"
Sent exclude: "/Documents and Settings/*/Local Settings/Temporary Internet
Files/*"
And finally, I have almost a thousand errors of form:
Remote[1]: rsync: readlink_stat("Documents and Settings/UserX/Local
Settings/Temporary Internet
Files/Content.IE5/DHFVLMXC/Z5UGCAQ29EFQCALZP3S4CAWVO16YCA8UXS27CAXB37LQCA3LZI46CAQYND1JCAEH9E55CASOYYXVCAF3ARGDCAV1OJZOCAJNR20WCA9SEWMECAZ85I7UCA08C4M3CATTQ9TICA009EOBCA2F8PDQCAWZOPZB.png"
(in c)) failed: File name too long (91)
Again despite the fact that this whole directory should have been
excluded...
When I ran 'rsync' manually from the command line using something
like the following, it all worked fine and in particular excluded the
files:
sudo -u backuppc /usr/bin/rsync --numeric-ids --perms --owner --group
-D --links --recursive --hard-links --times --block-size=2048
--one-file-system --omit-dir-times --protocol=28 -nv --exclude
"/Documents and Settings/*/Local Settings/Temporary Internet Files/*"
--exclude "/Documents and Settings/*/Local Settings/Temp/*" clientmachine::c/
I must be tired and missing something obvious. What am I missing?
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