Re: ANN: Backup Bouncer -- a metadata test suite
Re: ANN: Backup Bouncer -- a metadata test suite
- Subject: Re: ANN: Backup Bouncer -- a metadata test suite
- From: Axel Luttgens <email@hidden>
- Date: Mon, 07 May 2007 15:37:35 +0200
On 6/05/07 21:16, Nathaniel Gray wrote:
[...]
Here's the summary. /usr/bin/rsync was passing my test suite, then it
suddenly started failing. There was no reboot, no system update, no
configuration change that would explain this. Here's my svn commit
message:
"""
Make sure that disks have owners enabled before copying.
Add subtests for ACLs on dirs and symlinks.
This is so weird. At some point tonight I started seeing the rsync/
tarpipe
failures that I saw when trying to do my backups. I was trying to
trigger these
failures intentionally and having no luck, then suddenly - POW. Now I
can't get
them to stop! I've tried using fresh disk images and reverting to
older
revisions of the code, but nothing seems to work. I haven't tried
rebooting
yet, but I probably should.
"""
Please see below about the reboot.
I re-read your previous post several times.
For example, you wrote: "I booted from the Tiger install DVD, mounted
both my drives, and started my copy, being sure to use the path to
the up-to-date rsync on my system drive. The result? My copy was a
disaster."
What's the OS version on that DVD?
10.4.0 presumably, since it was bought the day Tiger was released.
OK, this explains that: rsync -E was almost unusable at the time of
10.4.
You also wrote: "BB tests copying from a
volume with ACLs enabled to another volume where they're enabled.
However, as I mentioned, I realized that they're *not* enabled on my
root volume, so I tried disabling them on my BB source volume.
Nothing happened -- the tests still passed. However, it was soon
thereafter that they failed (within an hour or so)."
Could you try to see which OS version as well as which updates (if
any) were installed on your laptop at that time?
Ok. As I said, the tests started failing on 4/24. Here's the tail of
my software update log:
2007-03-14 12:08:14 -0700: Installed "Mac OS X Update (PowerPC)"
(10.4.9)
2007-03-31 21:16:10 -0700: Installed "iTunes" (7.1.1)
2007-04-22 23:43:29 -0700: Installed "Security Update 2007-004
(PowerPC)" (1.0)
2007-05-02 14:06:55 -0700: Installed "QuickTime" (7.1.6)
I guess I was somewhat mistaken about the chronology -- I installed
the update just before my *first* backup attempt (the one that
failed). But you can see there was no update on 4/24.
Right, but 2007-004v1.0 has been installed April 22th, late in the
night.
Have you rebooted your laptop immediately after that installation, or
have you waited somewhat before rebooting?
Did you have lots of open/running applications while installing the
update?
Anyway, other people tend to relate the
problem to Security Update 2007-004 (v1.0 as well as v1.1) too.
Could you have a look at:
<http://lists.apple.com/archives/macos-x-server/2007/May//
msg00040.html>
and subsequent messages?
If it's related to SU2007-4 it's a very strange correlation. I was
testing for 2 days after that update before the "change" happened.
With a bit luck, if you haven't changed the default launch times for
the periodic scripts, your wtmp and system.log logs still contain info
about reboots (and much more) back to April.
Axel
|
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