On Tue, 2005-10-25 at 06:27 -0500, Charles Duffy wrote: > Michael H. Warfield wrote: > > If you create a clean, new, filesystem you (or, at > > least I) don't seem to see the problem. One of these is a 40 Gig file > > system that's over 90% full (mp3's as well as image files). Dump it on > > a clean little 10 Gig VMware file system and no problems... There are > > more variables here than I originally thought. It's NOT just huge > > directories. That's only one factor.
> Hmm.
> What if you take the large filesystem which is experiencing issues;
> *copy the fs verbatim*; clear out some of its contents, use resize2fs to
> alter the FS size, and then dump *that* into vmware?
That's sort of close to what I'm trying to do now. Clear out some
unnecessary files, strip it down to just the active directories which
can reproduce the problem, zero the remainder of the free space (so the
image compresses before sending it over the net to my colo site) and
then doing a "dd" image of the partition so it can be mounted loopback.
I can NOT do a resize2fs! That would alter the file system (it has to
move files around) and would just as likely dump me back in the same
problem of not being able to reproduce the problem. I'm verifying, at
each step above, that nothing I'm doing alters the symptoms exhibited.
As soon as I have that available, I'll let everyone know.
> Granted, you'd need enough working space to duplicate your large FS the
> problems are being experienced on -- but I'd think this approach would
> have a reasonable chance of reproducing the issue.
That's not a problem for me. I've got a couple of TB sitting here at
my office to play with, I just need to move stuff between systems to
back things up, which still takes time, even at 100M (gotta get some
gigabit ethernet one of these days). It will still take some time to
send the 10 GB or so of compressed file system image up the main network
(my IT department hates me :-) ) to the colo site where I can make it
available to others from my public system, though. Maybe later this
afternoon, if all goes well.
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